Mercurial > gemma
annotate pkg/imports/sr.go @ 3645:02951a62e8c6
'Historicise' bottlenecks on import
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 12 Jun 2019 17:11:15 +0200 |
parents | e1021fd60190 |
children | 2a079d0a71c1 |
rev | line source |
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1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
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2 // without warranty, see README.md and license for details. |
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3 // |
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4 // SPDX-License-Identifier: AGPL-3.0-or-later |
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5 // License-Filename: LICENSES/AGPL-3.0.txt |
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6 // |
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7 // Copyright (C) 2018 by via donau |
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
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9 // Software engineering by Intevation GmbH |
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10 // |
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11 // Author(s): |
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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13 // * Tom Gottfried <tom@intevation.de> |
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14 |
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15 package imports |
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16 |
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17 import ( |
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18 "archive/zip" |
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19 "bufio" |
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20 "context" |
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21 "crypto/sha1" |
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22 "database/sql" |
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23 "encoding/hex" |
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24 "errors" |
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25 "fmt" |
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26 "io" |
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27 "math" |
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28 "os" |
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29 "path" |
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30 "path/filepath" |
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31 "strconv" |
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32 "strings" |
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33 "time" |
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34 |
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35 "github.com/jackc/pgx" |
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36 shp "github.com/jonas-p/go-shp" |
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37 |
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38 "gemma.intevation.de/gemma/pkg/common" |
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39 "gemma.intevation.de/gemma/pkg/misc" |
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40 "gemma.intevation.de/gemma/pkg/models" |
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41 "gemma.intevation.de/gemma/pkg/octree" |
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42 ) |
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43 |
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44 // SoundingResult is a Job to import sounding reults |
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45 // from a ZIP file into the database. |
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46 type SoundingResult struct { |
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47 // Dir is the folder in the file system where the |
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48 // 'sr.zip' is expect to be. |
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49 Dir string `json:"dir"` |
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50 |
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51 // Override data |
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52 // Date if given overrides the date value from the meta.json. |
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53 Date *models.Date `json:"date,omitempty"` |
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54 // Date if given overrides the name of the bottleneck from the meta.json. |
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55 Bottleneck *string `json:"bottleneck,omitempty"` |
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56 // EPSG if given overrides the EPSG code from the meta.json. |
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57 // Defaults to WGS84. |
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58 EPSG *uint `json:"epsg,omitempty"` |
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59 // DepthReference if given overides the DepthReference value |
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60 // from the meta.json. |
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61 DepthReference *string `json:"depth-reference,omitempty"` |
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62 // SingleBeam indicates that the sounding is a single beam scan. |
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63 SingleBeam *bool `json:"single-beam,omitempty"` |
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64 } |
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65 |
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66 const ( |
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67 contourStepWidth = 0.1 |
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68 contourTolerance = 0.1 |
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69 ) |
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70 |
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71 // SRJobKind is the unique name of a SoundingResult import job. |
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72 const SRJobKind JobKind = "sr" |
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73 |
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74 type srJobCreator struct{} |
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75 |
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76 func init() { |
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77 RegisterJobCreator(SRJobKind, srJobCreator{}) |
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78 } |
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79 |
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80 func (srJobCreator) Description() string { return "sounding results" } |
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81 |
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82 func (srJobCreator) AutoAccept() bool { return false } |
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83 |
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84 func (srJobCreator) Create() Job { return new(SoundingResult) } |
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85 |
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86 func (srJobCreator) Depends() [2][]string { |
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87 return [2][]string{ |
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88 {"sounding_results", "sounding_results_contour_lines"}, |
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89 {"bottlenecks"}, |
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90 } |
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91 } |
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92 |
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93 func (srJobCreator) StageDone( |
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94 ctx context.Context, |
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95 tx *sql.Tx, |
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96 id int64, |
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97 ) error { |
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98 _, err := tx.ExecContext(ctx, srStageDoneSQL, id) |
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99 return err |
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100 } |
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101 |
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102 const ( |
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103 srStageDoneSQL = ` |
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104 UPDATE waterway.sounding_results SET staging_done = true |
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105 WHERE id = ( |
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106 SELECT key from import.track_imports |
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107 WHERE import_id = $1 AND |
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108 relation = 'waterway.sounding_results'::regclass)` |
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109 |
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110 insertHullSQL = ` |
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111 INSERT INTO waterway.sounding_results ( |
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112 bottleneck_id, |
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113 date_info, |
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114 depth_reference, |
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115 area |
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116 ) SELECT |
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117 (SELECT id FROM waterway.bottlenecks WHERE objnam = $1 |
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118 AND validity @> CAST($2 AS timestamptz)), |
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119 $2::date, |
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120 $3, |
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121 (SELECT |
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122 CASE WHEN $5::bytea IS NULL THEN |
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123 ST_Transform(ST_ConcaveHull(ST_Force2D(ST_GeomFromWKB($4, $6::integer)), 0.7), 4326)::geography |
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124 ELSE |
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125 ST_Transform(ST_GeomFromWKB($5, $6::integer), 4326)::geography |
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126 END) |
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127 RETURNING |
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128 id, |
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129 ST_X(ST_Centroid(area::geometry)), |
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130 ST_Y(ST_Centroid(area::geometry)), |
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131 best_utm(area), |
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132 ST_AsBinary(ST_Transform(area::geometry, best_utm(area))) |
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133 ` |
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134 |
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135 reprojectPointsSQL = ` |
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136 SELECT ST_AsBinary(ST_Transform(ST_GeomFromWKB($1, $2::integer), $3::integer)) |
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137 ` |
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138 insertOctreeSQL = ` |
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139 UPDATE waterway.sounding_results SET |
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140 octree_checksum = $2, octree_index = $3 |
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141 WHERE id = $1` |
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142 |
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143 insertContourSQL = ` |
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144 INSERT INTO waterway.sounding_results_contour_lines ( |
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145 sounding_result_id, |
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146 height, |
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147 lines |
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148 ) |
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149 SELECT |
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150 $1, |
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151 $2, |
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152 ST_Transform( |
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153 ST_Multi( |
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154 ST_CollectionExtract( |
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155 ST_SimplifyPreserveTopology( |
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156 ST_Multi(ST_Collectionextract( |
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157 ST_MakeValid(ST_GeomFromWKB($4, $3::integer)), 2)), |
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158 $5 |
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159 ), |
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160 2 |
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161 ) |
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162 ), |
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163 4326 |
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164 ) |
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165 FROM waterway.sounding_results sr |
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166 WHERE id = $1 |
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167 ` |
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168 |
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169 selectGaugeLDCSQL = ` |
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170 SELECT |
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171 grwl.value, |
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172 grwl.depth_reference |
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173 FROM waterway.gauges_reference_water_levels grwl |
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174 JOIN waterway.bottlenecks bns |
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175 ON grwl.location = bns.gauge_location |
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176 AND grwl.validity = bns.gauge_validity |
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177 WHERE bns.objnam = $1 |
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178 AND bns.validity @> CAST($2 AS timestamptz) |
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179 AND grwl.depth_reference like 'LDC%' |
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180 ` |
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181 |
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182 reprojectPointsSingleBeamSQL = ` |
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183 SELECT |
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184 ST_AsBinary( |
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185 ST_Transform( |
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186 ST_GeomFromWKB($1, $2::integer), |
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187 best_utm(CAST(ST_Transform(ST_GeomFromWKB($1, $2::integer), 4326) AS geography)))), |
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188 best_utm(CAST(ST_Transform(ST_GeomFromWKB($1, $2::integer), 4326) AS geography)) |
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SR import: Using context.Context aware SQL statements.
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189 ` |
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190 ) |
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191 |
3585
479da494bc09
SR import: access beam-type parameter supplied by client. TODO: Implement single beam code path.
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192 func (sr *SoundingResult) isSingleBeam() bool { |
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SR import: access beam-type parameter supplied by client. TODO: Implement single beam code path.
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193 return sr.SingleBeam != nil && *sr.SingleBeam |
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194 } |
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195 |
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Finished API docs for sounding result imports.
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196 // Do executes the actual sounding result import. |
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197 func (sr *SoundingResult) Do( |
1328
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To make golint happier made context.Context to be the first argument in all calls.
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diff
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198 ctx context.Context, |
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199 importID int64, |
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200 conn *sql.Conn, |
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201 feedback Feedback, |
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Imports: An Import (e.g. a sounding result import) can now write a 'summary' of a successful import. This is done if the import switches to to state 'pending'.
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202 ) (interface{}, error) { |
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7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
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203 |
3587
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SR import: Prepare the separate code paths for single and multibeam scans.
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diff
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204 start := time.Now() |
2529
45d51a49f191
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205 |
1239
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diff
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206 z, err := zip.OpenReader(filepath.Join(sr.Dir, "sr.zip")) |
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207 if err != nil { |
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208 return nil, err |
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209 } |
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210 defer z.Close() |
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211 |
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212 feedback.Info("Looking for 'meta.json'") |
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213 |
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214 mf := common.FindInZIP(z, "meta.json") |
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215 if mf == nil && !sr.completeOverride() { |
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216 return nil, errors.New("Cannot find 'meta.json'") |
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217 } |
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218 |
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219 m, err := sr.loadMeta(mf) |
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220 if err != nil { |
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221 return nil, err |
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222 } |
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223 |
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224 feedback.Info("Bottleneck: %s", m.Bottleneck) |
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225 feedback.Info("Survey date: %s", m.Date.Format(common.DateFormat)) |
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226 |
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227 var xform vertexTransform |
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228 |
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229 if m.DepthReference == "ZPG" { |
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230 feedback.Info("Found ZPG as reference system -> translating Z values to LDC") |
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231 var ldc float64 |
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232 var depthReference string |
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233 err := conn.QueryRowContext(ctx, |
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234 selectGaugeLDCSQL, |
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235 m.Bottleneck, |
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236 m.Date.Time, |
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237 ).Scan( |
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238 &ldc, |
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239 &depthReference, |
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240 ) |
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241 switch { |
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242 case err == sql.ErrNoRows: |
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243 return nil, errors.New("Cannot load LDC value") |
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244 case err != nil: |
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245 return nil, err |
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246 } |
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247 xform = func(v octree.Vertex) octree.Vertex { |
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248 return octree.Vertex{X: v.X, Y: v.Y, Z: ldc - v.Z} |
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249 } |
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250 m.DepthReference = depthReference |
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251 } |
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252 |
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253 if err := m.Validate(ctx, conn); err != nil { |
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254 return nil, common.ToError(err) |
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255 } |
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256 |
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257 var xyzf *zip.File |
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258 for _, ext := range []string{".xyz", ".txt"} { |
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259 feedback.Info("Looking for '*%s'", ext) |
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260 if xyzf = common.FindInZIP(z, ext); xyzf != nil { |
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261 break |
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262 } |
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263 } |
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264 if xyzf == nil { |
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265 return nil, errors.New("Cannot find any *.xyz or *.txt file") |
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266 } |
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267 |
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268 xyz, err := loadXYZ(xyzf, feedback, xform) |
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269 if err != nil { |
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270 return nil, err |
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271 } |
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272 |
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273 if len(xyz) == 0 { |
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274 return nil, errors.New("XYZ does not contain any vertices") |
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275 } |
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276 |
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277 // Is there a boundary shapefile in the ZIP archive? |
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278 boundary, err := loadBoundary(z) |
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279 if err != nil { |
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280 return nil, err |
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281 } |
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282 |
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283 tx, err := conn.BeginTx(ctx, nil) |
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284 if err != nil { |
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285 return nil, err |
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286 } |
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287 defer tx.Rollback() |
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288 |
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289 var summary interface{} |
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290 |
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291 if sr.isSingleBeam() { |
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292 summary, err = sr.singleBeamScan( |
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293 ctx, |
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294 tx, |
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295 feedback, |
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296 importID, |
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297 m, |
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298 xyz, |
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299 boundary, |
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300 ) |
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301 } else { |
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302 summary, err = sr.multiBeamScan( |
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303 ctx, |
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304 tx, |
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305 feedback, |
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306 importID, |
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307 m, |
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308 xyz, |
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309 boundary, |
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310 ) |
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311 } |
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312 if err != nil { |
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313 return nil, err |
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314 } |
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315 |
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316 if err = tx.Commit(); err != nil { |
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317 feedback.Error( |
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318 "Storing sounding result failed after %v.", time.Since(start)) |
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319 return nil, err |
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320 } |
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321 |
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322 feedback.Info( |
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323 "Storing sounding result was successful after %v.", time.Since(start)) |
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324 |
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325 return summary, nil |
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326 } |
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327 |
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328 func (sr *SoundingResult) singleBeamScan( |
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329 ctx context.Context, |
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330 tx *sql.Tx, |
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331 feedback Feedback, |
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332 importID int64, |
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333 m *models.SoundingResultMeta, |
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334 xyz octree.MultiPointZ, |
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335 boundary polygonSlice, |
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336 ) (interface{}, error) { |
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337 |
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338 feedback.Info("Processing as single beam scan.") |
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339 |
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340 start := time.Now() |
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341 |
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342 xyzWKB := xyz.AsWKB() |
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343 var reproj []byte |
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344 var epsg uint |
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345 |
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346 if err := tx.QueryRowContext( |
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347 ctx, |
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348 reprojectPointsSingleBeamSQL, |
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349 xyzWKB, |
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350 m.EPSG, |
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351 ).Scan(&reproj, &epsg); err != nil { |
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352 return nil, err |
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353 } |
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354 |
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355 if err := xyz.FromWKB(reproj); err != nil { |
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356 return nil, err |
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357 } |
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358 |
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359 feedback.Info("Reprojecting points to EPSG %d took %v.", |
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360 epsg, time.Since(start)) |
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361 feedback.Info("Number of reprojected points: %d", len(xyz)) |
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362 |
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363 start = time.Now() |
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364 tri, err := octree.Triangulate(xyz) |
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365 if err != nil { |
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366 return nil, err |
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367 } |
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368 feedback.Info("Triangulation took %v.", time.Since(start)) |
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369 feedback.Info("Number triangles: %d.", len(tri.Triangles)/3) |
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370 |
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371 if boundary == nil { |
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372 feedback.Info("No boundary given.") |
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373 feedback.Info("Eliminate triangles with long edges.") |
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374 |
3609
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Removed statistics from elimination of triangles.
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375 tri.ConcaveHull(50.0) |
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376 } |
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377 |
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378 // TODO: Implement me! |
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379 return nil, errors.New("Not implemented, yet!") |
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380 } |
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381 |
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382 func (sr *SoundingResult) multiBeamScan( |
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383 ctx context.Context, |
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384 tx *sql.Tx, |
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385 feedback Feedback, |
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386 importID int64, |
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387 m *models.SoundingResultMeta, |
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388 xyz octree.MultiPointZ, |
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389 boundary polygonSlice, |
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390 ) (interface{}, error) { |
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391 |
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392 feedback.Info("Processing as multi beam scan.") |
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393 var ( |
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394 id int64 |
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395 epsg uint32 |
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396 lat, lon float64 |
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397 ) |
988
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398 start := time.Now() |
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399 |
2529
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400 var hull []byte |
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401 |
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402 xyzWKB := xyz.AsWKB() |
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403 |
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|
404 err := tx.QueryRowContext( |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
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|
405 ctx, |
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406 insertHullSQL, |
988
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|
407 m.Bottleneck, |
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|
408 m.Date.Time, |
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|
409 m.DepthReference, |
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410 xyzWKB, |
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|
411 boundary.asWKB(), |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
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|
412 m.EPSG, |
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413 ).Scan( |
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|
414 &id, |
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415 &lat, |
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416 &lon, |
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417 &epsg, |
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418 &hull, |
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419 ) |
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420 xyz, boundary = nil, nil // not need from now on. |
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421 feedback.Info("Calculating hull took %s.", time.Since(start)) |
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422 if err != nil { |
3645
02951a62e8c6
'Historicise' bottlenecks on import
Tom Gottfried <tom@intevation.de>
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423 if e, isPgErr := err.(pgx.PgError); isPgErr && |
02951a62e8c6
'Historicise' bottlenecks on import
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|
424 e.Code == notNullViolation && |
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'Historicise' bottlenecks on import
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|
425 e.SchemaName == "waterway" && |
02951a62e8c6
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|
426 e.TableName == "sounding_results" && |
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427 e.ColumnName == "bottleneck_id" { |
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'Historicise' bottlenecks on import
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|
428 return nil, fmt.Errorf( |
02951a62e8c6
'Historicise' bottlenecks on import
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|
429 "No bottleneck matching given name and time available") |
02951a62e8c6
'Historicise' bottlenecks on import
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|
430 } |
2529
45d51a49f191
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431 return nil, err |
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432 } |
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433 feedback.Info("Best suited UTM EPSG: %d", epsg) |
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434 |
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435 start = time.Now() |
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436 |
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437 var clippingPolygon octree.Polygon |
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438 if err := clippingPolygon.FromWKB(hull); err != nil { |
45d51a49f191
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|
439 return nil, err |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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|
440 } |
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|
441 clippingPolygon.Indexify() |
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442 feedback.Info("Building clipping polygon took %v.", time.Since(start)) |
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443 |
45d51a49f191
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|
444 start = time.Now() |
45d51a49f191
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445 |
45d51a49f191
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|
446 var reproj []byte |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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|
447 |
3591
062dc9b54b86
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parents:
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|
448 if err = tx.QueryRowContext( |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
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parents:
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changeset
|
449 ctx, |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
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parents:
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changeset
|
450 reprojectPointsSQL, |
2529
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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|
451 xyzWKB, |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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changeset
|
452 m.EPSG, |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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changeset
|
453 epsg, |
2530
3f61b84ae7a6
SR import: Set missing EPSG code to TIN.
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parents:
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changeset
|
454 ).Scan(&reproj); err != nil { |
1392
0e1d89241cda
Imports: An Import (e.g. a sounding result import) can now write a 'summary' of a successful import. This is done if the import switches to to state 'pending'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1384
diff
changeset
|
455 return nil, err |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
456 } |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
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diff
changeset
|
457 |
2529
45d51a49f191
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|
458 if err := xyz.FromWKB(reproj); err != nil { |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
459 return nil, err |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
460 } |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
461 |
2529
45d51a49f191
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changeset
|
462 feedback.Info("Reprojecting points took %v.", time.Since(start)) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
463 feedback.Info("Number of reprojected points: %d", len(xyz)) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
464 |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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diff
changeset
|
465 start = time.Now() |
2529
45d51a49f191
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diff
changeset
|
466 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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changeset
|
467 tri, err := octree.Triangulate(xyz) |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
468 if err != nil { |
1392
0e1d89241cda
Imports: An Import (e.g. a sounding result import) can now write a 'summary' of a successful import. This is done if the import switches to to state 'pending'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1384
diff
changeset
|
469 return nil, err |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
470 } |
2529
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
471 feedback.Info("Triangulation took %v.", time.Since(start)) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
472 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
473 start = time.Now() |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
474 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
475 tin := tri.Tin() |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
476 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
477 var str octree.STRTree |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
478 str.Build(tin) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
479 feedback.Info("Building STR tree took %v", time.Since(start)) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
480 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
481 start = time.Now() |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
482 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
483 removed := str.Clip(&clippingPolygon) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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changeset
|
484 feedback.Info("Clipping STR tree took %v.", time.Since(start)) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
485 feedback.Info("Number of triangles to clip %d.", len(removed)) |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
486 |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
487 start = time.Now() |
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
488 |
2530
3f61b84ae7a6
SR import: Set missing EPSG code to TIN.
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parents:
2529
diff
changeset
|
489 tin.EPSG = epsg |
3f61b84ae7a6
SR import: Set missing EPSG code to TIN.
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parents:
2529
diff
changeset
|
490 |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
491 builder := octree.NewBuilder(tin) |
2529
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
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parents:
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diff
changeset
|
492 builder.Build(removed) |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
493 octreeIndex, err := builder.Bytes() |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
494 if err != nil { |
1392
0e1d89241cda
Imports: An Import (e.g. a sounding result import) can now write a 'summary' of a successful import. This is done if the import switches to to state 'pending'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1384
diff
changeset
|
495 return nil, err |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
496 } |
2530
3f61b84ae7a6
SR import: Set missing EPSG code to TIN.
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parents:
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diff
changeset
|
497 feedback.Info("Building octree took %v.", time.Since(start)) |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
498 |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
499 start = time.Now() |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
500 h := sha1.New() |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
501 h.Write(octreeIndex) |
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
502 checksum := hex.EncodeToString(h.Sum(nil)) |
3591
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
503 _, err = tx.ExecContext(ctx, insertOctreeSQL, id, checksum, octreeIndex) |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
504 if err != nil { |
1392
0e1d89241cda
Imports: An Import (e.g. a sounding result import) can now write a 'summary' of a successful import. This is done if the import switches to to state 'pending'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1384
diff
changeset
|
505 return nil, err |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
506 } |
2530
3f61b84ae7a6
SR import: Set missing EPSG code to TIN.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
507 feedback.Info("Storing octree index took %s.", time.Since(start)) |
988
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In preparation of persisting import jobs logging is done through an interface.
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508 |
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509 tree := builder.Tree() |
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510 |
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511 start = time.Now() |
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512 err = generateContours(ctx, tx, tree, id) |
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513 if err != nil { |
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514 return nil, err |
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515 } |
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516 feedback.Info("Generating and storing contour lines took %s.", |
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517 time.Since(start)) |
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518 |
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519 // Store for potential later removal. |
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520 if err = track(ctx, tx, importID, "waterway.sounding_results", id); err != nil { |
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521 return nil, err |
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522 } |
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523 |
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524 summary := struct { |
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525 Bottleneck string `json:"bottleneck"` |
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526 Date models.Date `json:"date"` |
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527 Lat float64 `json:"lat"` |
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528 Lon float64 `json:"lon"` |
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529 }{ |
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530 Bottleneck: m.Bottleneck, |
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531 Date: m.Date, |
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532 Lat: lat, |
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533 Lon: lon, |
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534 } |
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535 |
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536 return &summary, nil |
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537 } |
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538 |
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539 // CleanUp removes the folder containing the ZIP file with the |
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540 // the sounding result import. |
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541 func (sr *SoundingResult) CleanUp() error { |
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542 return os.RemoveAll(sr.Dir) |
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543 } |
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544 |
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545 func (sr *SoundingResult) completeOverride() bool { |
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546 // sr.EPSG == nil -> WGS84 |
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547 return sr.Bottleneck != nil && |
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548 sr.Date != nil && |
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549 sr.DepthReference != nil && |
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550 sr.SingleBeam != nil |
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551 } |
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552 |
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553 func (sr *SoundingResult) loadMeta(f *zip.File) (*models.SoundingResultMeta, error) { |
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554 if f == nil { |
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555 var epsg uint |
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Sounding result import: Consider parameter override as complete even if there is no EPSG code. Use WGS84 in this case as a default.
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556 if sr.EPSG != nil { |
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557 epsg = *sr.EPSG |
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558 } else { |
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559 epsg = models.WGS84 |
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560 } |
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561 return &models.SoundingResultMeta{ |
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562 Date: *sr.Date, |
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563 Bottleneck: *sr.Bottleneck, |
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564 EPSG: epsg, |
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565 DepthReference: *sr.DepthReference, |
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566 }, nil |
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567 } |
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568 r, err := f.Open() |
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Started with writing an importer job for sounding results.
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569 if err != nil { |
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570 return nil, err |
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571 } |
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572 defer r.Close() |
1224
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diff
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|
573 var m models.SoundingResultMeta |
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574 if err := m.Decode(r); err != nil { |
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Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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575 return nil, err |
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576 } |
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Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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parents:
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diff
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577 |
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578 // Apply overrides |
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579 if sr.Date != nil { |
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580 m.Date = *sr.Date |
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581 } |
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582 if sr.Bottleneck != nil { |
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583 m.Bottleneck = *sr.Bottleneck |
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diff
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|
584 } |
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585 if sr.EPSG != nil { |
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Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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586 m.EPSG = *sr.EPSG |
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|
587 } |
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|
588 if sr.DepthReference != nil { |
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589 m.DepthReference = *sr.DepthReference |
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diff
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|
590 } |
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SR import: access beam-type parameter supplied by client. TODO: Implement single beam code path.
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|
591 if sr.SingleBeam != nil { |
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|
592 m.SingleBeam = *sr.SingleBeam |
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|
593 } |
1239
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|
594 |
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|
595 return &m, nil |
959
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|
596 } |
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Started with writing an importer job for sounding results.
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|
597 |
3487
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diff
changeset
|
598 type vertexTransform func(octree.Vertex) octree.Vertex |
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599 |
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|
600 func loadXYZReader(r io.Reader, feedback Feedback, xform vertexTransform) (octree.MultiPointZ, error) { |
959
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changeset
|
601 mpz := make(octree.MultiPointZ, 0, 250000) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
602 s := bufio.NewScanner(r) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
603 |
2612
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
604 var hasNegZ bool |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
605 |
3504
6e748f31777a
AGM/SR import. Limit logging of warnings to 100.
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parents:
3487
diff
changeset
|
606 warnLimiter := misc.WarningLimiter{Log: feedback.Warn, MaxWarnings: 100} |
6e748f31777a
AGM/SR import. Limit logging of warnings to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3487
diff
changeset
|
607 warn := warnLimiter.Warn |
6e748f31777a
AGM/SR import. Limit logging of warnings to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3487
diff
changeset
|
608 defer warnLimiter.Close() |
2963
27ffd94afcb5
SR import: Limit number of warnings in parsing XYZ files to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2873
diff
changeset
|
609 |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
610 for line := 1; s.Scan(); line++ { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
611 text := s.Text() |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
612 var p octree.Vertex |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
613 // fmt.Sscanf(text, "%f,%f,%f") is 4 times slower. |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
614 idx := strings.IndexByte(text, ',') |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
615 if idx == -1 { |
2963
27ffd94afcb5
SR import: Limit number of warnings in parsing XYZ files to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2873
diff
changeset
|
616 warn("format error in line %d", line) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
617 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
618 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
619 var err error |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
620 if p.X, err = strconv.ParseFloat(text[:idx], 64); err != nil { |
2963
27ffd94afcb5
SR import: Limit number of warnings in parsing XYZ files to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2873
diff
changeset
|
621 warn("format error in line %d: %v", line, err) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
622 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
623 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
624 text = text[idx+1:] |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
625 if idx = strings.IndexByte(text, ','); idx == -1 { |
1138
443fc80a315f
Don't issue new lines at end of log messages when importing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1137
diff
changeset
|
626 feedback.Warn("format error in line %d", line) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
627 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
628 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
629 if p.Y, err = strconv.ParseFloat(text[:idx], 64); err != nil { |
2963
27ffd94afcb5
SR import: Limit number of warnings in parsing XYZ files to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2873
diff
changeset
|
630 warn("format error in line %d: %v", line, err) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
631 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
632 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
633 text = text[idx+1:] |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
634 if p.Z, err = strconv.ParseFloat(text, 64); err != nil { |
2963
27ffd94afcb5
SR import: Limit number of warnings in parsing XYZ files to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2873
diff
changeset
|
635 warn("format error in line %d: %v", line, err) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
636 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
637 } |
2612
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
638 if p.Z < 0 { |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
639 p.Z = -p.Z |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
640 if !hasNegZ { |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
641 hasNegZ = true |
2963
27ffd94afcb5
SR import: Limit number of warnings in parsing XYZ files to 100.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2873
diff
changeset
|
642 warn("Negative Z value found: Using -Z") |
2612
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
643 } |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2530
diff
changeset
|
644 } |
3487
fdb0439850d5
Generalized transformation of vertices during sounding result import a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3479
diff
changeset
|
645 if xform != nil { |
fdb0439850d5
Generalized transformation of vertices during sounding result import a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3479
diff
changeset
|
646 p = xform(p) |
fdb0439850d5
Generalized transformation of vertices during sounding result import a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3479
diff
changeset
|
647 } |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
648 mpz = append(mpz, p) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
649 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
650 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
651 if err := s.Err(); err != nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
652 return nil, err |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
653 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
654 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
655 return mpz, nil |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
656 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
657 |
3487
fdb0439850d5
Generalized transformation of vertices during sounding result import a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3479
diff
changeset
|
658 func loadXYZ(f *zip.File, feedback Feedback, xform vertexTransform) (octree.MultiPointZ, error) { |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
659 r, err := f.Open() |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
660 if err != nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
661 return nil, err |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
662 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
663 defer r.Close() |
3487
fdb0439850d5
Generalized transformation of vertices during sounding result import a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3479
diff
changeset
|
664 return loadXYZReader(r, feedback, xform) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
665 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
666 |
1786
09349ca27dd7
Imports: Removed duplicated code path to store WKB polygons into database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1754
diff
changeset
|
667 func loadBoundary(z *zip.ReadCloser) (polygonSlice, error) { |
1225
4d7c44f7044e
Factored out som zip lookup code to be reusable in sounding result upload controller.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1224
diff
changeset
|
668 shpF := common.FindInZIP(z, ".shp") |
960
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
669 if shpF == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
670 return nil, nil |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
671 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
672 prefix := strings.TrimSuffix(shpF.Name, path.Ext(shpF.Name)) |
1225
4d7c44f7044e
Factored out som zip lookup code to be reusable in sounding result upload controller.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1224
diff
changeset
|
673 dbfF := common.FindInZIP(z, prefix+".dbf") |
960
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
674 if dbfF == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
675 return nil, fmt.Errorf("No DBF file found for %s", shpF.Name) |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
676 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
677 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
678 shpR, err := shpF.Open() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
679 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
680 return nil, err |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
681 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
682 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
683 dbfR, err := dbfF.Open() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
684 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
685 shpR.Close() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
686 return nil, err |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
687 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
688 sr := shp.SequentialReaderFromExt(shpR, dbfR) |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
689 defer sr.Close() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
690 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
691 if !sr.Next() { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
692 return nil, sr.Err() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
693 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
694 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
695 _, s := sr.Shape() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
696 if s == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
697 return nil, sr.Err() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
698 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
699 |
972
17a03a84b0e8
Split out polygon code out of sounding result importer source file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
700 return shapeToPolygon(s) |
960
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
701 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
702 |
3591
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
703 func generateContours( |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
704 ctx context.Context, |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
705 tx *sql.Tx, |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
706 tree *octree.Tree, |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
707 id int64, |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
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708 ) error { |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
709 stmt, err := tx.PrepareContext(ctx, insertContourSQL) |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
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710 if err != nil { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
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changeset
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711 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
712 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
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713 defer stmt.Close() |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
714 |
1184
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
715 // Adjust contour lines heights to multiples of contourStepWidth |
2530
3f61b84ae7a6
SR import: Set missing EPSG code to TIN.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
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716 var heights []float64 |
1184
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
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717 h := contourStepWidth * math.Ceil(tree.Min.Z/contourStepWidth) |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
718 for ; h <= tree.Max.Z; h += contourStepWidth { |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
719 heights = append(heights, h) |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
720 } |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
721 |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
722 octree.DoContours(tree, heights, func(res *octree.ContourResult) { |
2529
45d51a49f191
SR import: Use own triangulation and clipping when importing sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2516
diff
changeset
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723 if err == nil && len(res.Lines) > 0 { |
3591
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
724 _, err = stmt.ExecContext( |
062dc9b54b86
SR import: Using context.Context aware SQL statements.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3587
diff
changeset
|
725 ctx, |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
726 id, res.Height, tree.EPSG, |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
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727 res.Lines.AsWKB2D(), |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
728 contourTolerance) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
729 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
730 }) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
731 |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
732 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
733 } |