Mercurial > gemma
annotate pkg/imports/sr.go @ 2643:27933e66e848
client: gauges: use isrs_code as unique id for gauges
author | Markus Kottlaender <markus@intevation.de> |
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date | Thu, 14 Mar 2019 13:11:22 +0100 |
parents | c7ce8b011bcb |
children | 1b6840093eac |
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 shp "github.com/jonas-p/go-shp" |
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36 |
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37 "gemma.intevation.de/gemma/pkg/common" |
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38 "gemma.intevation.de/gemma/pkg/models" |
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39 "gemma.intevation.de/gemma/pkg/octree" |
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40 ) |
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41 |
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42 // SoundingResult is a Job to import sounding reults |
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43 // from a ZIP file into the database. |
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44 type SoundingResult struct { |
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45 // Dir is the folder in the file system where the |
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46 // 'sr.zip' is expect to be. |
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47 Dir string `json:"dir"` |
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48 |
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49 // Override data |
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50 // Date if given overrides the date value from the meta.json. |
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51 Date *models.Date `json:"date,omitempty"` |
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52 // Date if given overrides the name of the bottleneck from the meta.json. |
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53 Bottleneck *string `json:"bottleneck,omitempty"` |
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54 // EPSG if given overrides the EPSG code from the meta.json. |
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55 // Defaults to WGS84. |
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56 EPSG *uint `json:"epsg,omitempty"` |
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57 // DepthReference if given overides the DepthReference value |
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58 // from the meta.json. |
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59 DepthReference *string `json:"depth-reference,omitempty"` |
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60 } |
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61 |
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62 const ( |
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63 contourStepWidth = 0.1 |
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64 contourTolerance = 0.1 |
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65 ) |
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66 |
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67 // SRJobKind is the unique name of a SoundingResult import job. |
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68 const SRJobKind JobKind = "sr" |
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69 |
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70 type srJobCreator struct{} |
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71 |
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72 func init() { |
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73 RegisterJobCreator(SRJobKind, srJobCreator{}) |
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74 } |
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75 |
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76 func (srJobCreator) Description() string { return "sounding results" } |
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77 |
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78 func (srJobCreator) AutoAccept() bool { return false } |
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79 |
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80 func (srJobCreator) Create() Job { return new(SoundingResult) } |
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81 |
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82 func (srJobCreator) Depends() []string { |
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83 return []string{ |
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84 "sounding_results", |
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85 "sounding_results_contour_lines", |
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86 "bottlenecks", |
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87 } |
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88 } |
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89 |
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90 func (srJobCreator) StageDone( |
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91 ctx context.Context, |
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92 tx *sql.Tx, |
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93 id int64, |
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94 ) error { |
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95 _, err := tx.ExecContext(ctx, srStageDoneSQL, id) |
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96 return err |
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97 } |
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98 |
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99 const ( |
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100 srStageDoneSQL = ` |
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101 UPDATE waterway.sounding_results SET staging_done = true |
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102 WHERE id = ( |
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103 SELECT key from import.track_imports |
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104 WHERE import_id = $1 AND |
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105 relation = 'waterway.sounding_results'::regclass)` |
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106 |
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107 insertHullSQL = ` |
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108 INSERT INTO waterway.sounding_results ( |
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109 bottleneck_id, |
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110 date_info, |
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111 depth_reference, |
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112 area |
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113 ) SELECT |
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114 (SELECT id from waterway.bottlenecks where objnam = $1), |
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115 $2::date, |
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116 $3, |
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117 (SELECT |
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118 CASE WHEN $5::bytea IS NULL THEN |
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119 ST_Transform(ST_ConcaveHull(ST_Force2D(ST_GeomFromWKB($4, $6::integer)), 0.7), 4326)::geography |
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120 ELSE |
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121 ST_Transform(ST_GeomFromWKB($5, $6::integer), 4326)::geography |
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122 END) |
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123 RETURNING |
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124 id, |
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125 ST_X(ST_Centroid(area::geometry)), |
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126 ST_Y(ST_Centroid(area::geometry)), |
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127 best_utm(area::geometry), |
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128 ST_AsBinary(ST_Transform(area::geometry, best_utm(area::geometry))) |
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129 ` |
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130 |
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131 reprojectPointsSQL = ` |
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132 SELECT ST_AsBinary(ST_Transform(ST_GeomFromWKB($1, $2::integer), $3::integer)) |
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133 ` |
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134 insertOctreeSQL = ` |
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135 UPDATE waterway.sounding_results SET |
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136 octree_checksum = $2, octree_index = $3 |
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137 WHERE id = $1` |
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138 |
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139 insertContourSQL = ` |
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140 INSERT INTO waterway.sounding_results_contour_lines ( |
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141 sounding_result_id, |
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142 height, |
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143 lines |
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144 ) |
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145 SELECT |
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146 $1, |
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147 $2, |
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148 ST_Transform( |
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149 ST_Multi( |
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150 ST_CollectionExtract( |
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151 ST_SimplifyPreserveTopology( |
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152 ST_Multi(ST_Collectionextract( |
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153 ST_MakeValid(ST_GeomFromWKB($4, $3::integer)), 2)), |
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154 $5 |
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155 ), |
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156 2 |
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157 ) |
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158 ), |
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159 4326 |
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160 ) |
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161 FROM waterway.sounding_results sr |
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162 WHERE id = $1 |
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163 ` |
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164 ) |
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165 |
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Finished API docs for sounding result imports.
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166 // Do executes the actual sounding result import. |
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167 func (sr *SoundingResult) Do( |
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168 ctx context.Context, |
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169 importID int64, |
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170 conn *sql.Conn, |
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171 feedback Feedback, |
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172 ) (interface{}, error) { |
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173 |
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174 begin := time.Now() |
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175 |
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176 z, err := zip.OpenReader(filepath.Join(sr.Dir, "sr.zip")) |
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177 if err != nil { |
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178 return nil, err |
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179 } |
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180 defer z.Close() |
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181 |
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182 feedback.Info("Looking for 'meta.json'") |
1225
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183 mf := common.FindInZIP(z, "meta.json") |
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184 if mf == nil && !sr.completeOverride() { |
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185 return nil, errors.New("Cannot find 'meta.json'") |
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186 } |
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187 |
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188 m, err := sr.loadMeta(mf) |
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189 if err != nil { |
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190 return nil, err |
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191 } |
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192 |
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193 if err := m.Validate(ctx, conn); err != nil { |
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194 return nil, common.ToError(err) |
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195 } |
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196 |
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197 var xyzf *zip.File |
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198 for _, ext := range []string{".xyz", ".txt"} { |
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199 feedback.Info("Looking for '*%s'", ext) |
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200 if xyzf = common.FindInZIP(z, ext); xyzf != nil { |
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201 break |
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202 } |
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203 } |
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204 if xyzf == nil { |
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205 return nil, errors.New("Cannot find any *.xyz or *.txt file") |
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206 } |
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207 |
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208 xyz, err := loadXYZ(xyzf, feedback) |
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209 if err != nil { |
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210 return nil, err |
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211 } |
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212 |
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213 if len(xyz) == 0 { |
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214 return nil, errors.New("XYZ does not contain any vertices") |
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215 } |
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216 |
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217 // Is there a boundary shapefile in the ZIP archive? |
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218 polygon, err := loadBoundary(z) |
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219 if err != nil { |
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220 return nil, err |
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221 } |
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222 |
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223 tx, err := conn.BeginTx(ctx, nil) |
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224 if err != nil { |
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225 return nil, err |
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226 } |
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227 defer tx.Rollback() |
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228 |
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229 var ( |
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230 id int64 |
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231 epsg uint32 |
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232 lat, lon float64 |
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233 ) |
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234 start := time.Now() |
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235 |
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236 var hull []byte |
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237 |
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238 xyzWKB := xyz.AsWKB() |
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239 |
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240 err = tx.QueryRow(insertHullSQL, |
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241 m.Bottleneck, |
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242 m.Date.Time, |
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243 m.DepthReference, |
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244 xyzWKB, |
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245 polygon.asWKB(), |
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246 m.EPSG, |
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247 ).Scan( |
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248 &id, |
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249 &lat, |
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250 &lon, |
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251 &epsg, |
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252 &hull, |
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253 ) |
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254 xyz, polygon = nil, nil // not need from now on. |
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255 feedback.Info("Calculating hull took %s.", time.Since(start)) |
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256 if err != nil { |
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257 return nil, err |
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258 } |
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259 feedback.Info("Best suited UTM EPSG: %d", epsg) |
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260 |
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261 start = time.Now() |
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262 |
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263 var clippingPolygon octree.Polygon |
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264 if err := clippingPolygon.FromWKB(hull); err != nil { |
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265 return nil, err |
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266 } |
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267 clippingPolygon.Indexify() |
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268 feedback.Info("Building clipping polygon took %v.", time.Since(start)) |
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269 |
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270 start = time.Now() |
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271 |
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272 var reproj []byte |
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273 |
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274 if err = tx.QueryRow(reprojectPointsSQL, |
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275 xyzWKB, |
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276 m.EPSG, |
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277 epsg, |
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278 ).Scan(&reproj); err != nil { |
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279 return nil, err |
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280 } |
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281 |
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282 if err := xyz.FromWKB(reproj); err != nil { |
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283 return nil, err |
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284 } |
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285 |
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286 feedback.Info("Reprojecting points took %v.", time.Since(start)) |
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287 feedback.Info("Number of reprojected points: %d", len(xyz)) |
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288 |
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289 start = time.Now() |
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290 |
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291 tri, err := octree.Triangulate(xyz) |
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292 if err != nil { |
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293 return nil, err |
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294 } |
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295 feedback.Info("Triangulation took %v.", time.Since(start)) |
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296 |
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297 start = time.Now() |
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298 |
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299 tin := tri.Tin() |
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300 |
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301 var str octree.STRTree |
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302 str.Build(tin) |
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303 feedback.Info("Building STR tree took %v", time.Since(start)) |
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304 |
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305 start = time.Now() |
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306 |
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307 removed := str.Clip(&clippingPolygon) |
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308 feedback.Info("Clipping STR tree took %v.", time.Since(start)) |
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309 feedback.Info("Number of triangles to clip %d.", len(removed)) |
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310 |
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311 start = time.Now() |
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312 |
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313 tin.EPSG = epsg |
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314 |
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315 builder := octree.NewBuilder(tin) |
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316 builder.Build(removed) |
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317 octreeIndex, err := builder.Bytes() |
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318 if err != nil { |
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319 return nil, err |
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320 } |
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321 feedback.Info("Building octree took %v.", time.Since(start)) |
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322 |
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323 start = time.Now() |
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324 h := sha1.New() |
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325 h.Write(octreeIndex) |
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326 checksum := hex.EncodeToString(h.Sum(nil)) |
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327 _, err = tx.Exec(insertOctreeSQL, id, checksum, octreeIndex) |
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328 if err != nil { |
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329 return nil, err |
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330 } |
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331 feedback.Info("Storing octree index took %s.", time.Since(start)) |
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332 |
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333 tree := builder.Tree() |
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334 |
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335 start = time.Now() |
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336 err = generateContours(tree, tx, id) |
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337 if err != nil { |
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338 return nil, err |
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339 } |
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340 feedback.Info("Generating and storing contour lines took %s.", |
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341 time.Since(start)) |
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342 |
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343 // Store for potential later removal. |
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344 if err = track(ctx, tx, importID, "waterway.sounding_results", id); err != nil { |
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345 return nil, err |
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346 } |
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347 |
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348 if err = tx.Commit(); err != nil { |
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349 feedback.Error( |
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350 "Storing sounding result failed after %v.", time.Since(begin)) |
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351 return nil, err |
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352 } |
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353 |
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354 feedback.Info( |
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355 "Storing sounding result was successful after %v.", time.Since(begin)) |
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356 |
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357 summary := struct { |
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358 Bottleneck string `json:"bottleneck"` |
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359 Date models.Date `json:"date"` |
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360 Lat float64 `json:"lat"` |
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361 Lon float64 `json:"lon"` |
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362 }{ |
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363 Bottleneck: m.Bottleneck, |
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364 Date: m.Date, |
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365 Lat: lat, |
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366 Lon: lon, |
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367 } |
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368 |
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369 return &summary, nil |
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370 } |
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371 |
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372 // CleanUp removes the folder containing the ZIP file with the |
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373 // the sounding result import. |
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374 func (sr *SoundingResult) CleanUp() error { |
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375 return os.RemoveAll(sr.Dir) |
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376 } |
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377 |
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378 func (sr *SoundingResult) completeOverride() bool { |
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379 // sr.EPSG == nil -> WGS84 |
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380 return sr.Bottleneck != nil && sr.Date != nil && sr.DepthReference != nil |
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381 } |
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382 |
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383 func (sr *SoundingResult) loadMeta(f *zip.File) (*models.SoundingResultMeta, error) { |
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384 if f == nil { |
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385 var epsg uint |
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386 if sr.EPSG != nil { |
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387 epsg = *sr.EPSG |
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388 } else { |
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389 epsg = models.WGS84 |
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390 } |
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391 return &models.SoundingResultMeta{ |
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392 Date: *sr.Date, |
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393 Bottleneck: *sr.Bottleneck, |
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394 EPSG: epsg, |
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395 DepthReference: *sr.DepthReference, |
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396 }, nil |
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397 } |
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398 r, err := f.Open() |
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399 if err != nil { |
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400 return nil, err |
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401 } |
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402 defer r.Close() |
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403 var m models.SoundingResultMeta |
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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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|
404 if err := m.Decode(r); err != nil { |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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405 return nil, err |
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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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|
406 } |
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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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|
407 |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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408 // Apply overrides |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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409 if sr.Date != nil { |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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410 m.Date = *sr.Date |
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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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|
411 } |
d842d9d10872
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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|
412 if sr.Bottleneck != nil { |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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|
413 m.Bottleneck = *sr.Bottleneck |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
414 } |
d842d9d10872
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
changeset
|
415 if sr.EPSG != nil { |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
416 m.EPSG = *sr.EPSG |
d842d9d10872
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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|
417 } |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
418 if sr.DepthReference != nil { |
d842d9d10872
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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|
419 m.DepthReference = *sr.DepthReference |
d842d9d10872
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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|
420 } |
d842d9d10872
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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|
421 |
d842d9d10872
Sounding result import: Added the feature to override bottleneck, EPSG, depth reference and date in meta.json by POST arguments.
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422 return &m, nil |
959
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Started with writing an importer job for sounding results.
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parents:
diff
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|
423 } |
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Started with writing an importer job for sounding results.
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parents:
diff
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|
424 |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
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|
425 func loadXYZReader(r io.Reader, feedback Feedback) (octree.MultiPointZ, error) { |
959
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Started with writing an importer job for sounding results.
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|
426 mpz := make(octree.MultiPointZ, 0, 250000) |
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Started with writing an importer job for sounding results.
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427 s := bufio.NewScanner(r) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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diff
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|
428 |
2612
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
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parents:
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|
429 var hasNegZ bool |
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SR import: Negate negative Z values and issue a warning if a negative Z value is found.
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430 |
959
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Started with writing an importer job for sounding results.
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431 for line := 1; s.Scan(); line++ { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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|
432 text := s.Text() |
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Started with writing an importer job for sounding results.
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parents:
diff
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|
433 var p octree.Vertex |
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Started with writing an importer job for sounding results.
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|
434 // fmt.Sscanf(text, "%f,%f,%f") is 4 times slower. |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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diff
changeset
|
435 idx := strings.IndexByte(text, ',') |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
436 if 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
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|
437 feedback.Warn("format error in line %d", line) |
959
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Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
438 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
439 } |
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Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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|
440 var err error |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
441 if p.X, err = strconv.ParseFloat(text[:idx], 64); err != nil { |
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
|
442 feedback.Warn("format error in line %d: %v", line, err) |
959
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Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
443 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
444 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
445 text = text[idx+1:] |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
446 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
|
447 feedback.Warn("format error in line %d", line) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
448 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
449 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
450 if p.Y, err = strconv.ParseFloat(text[:idx], 64); err != nil { |
1138
443fc80a315f
Don't issue new lines at end of log messages when importing.
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parents:
1137
diff
changeset
|
451 feedback.Warn("format error in line %d: %v", line, err) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
452 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
453 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
454 text = text[idx+1:] |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
455 if p.Z, err = strconv.ParseFloat(text, 64); err != nil { |
1138
443fc80a315f
Don't issue new lines at end of log messages when importing.
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parents:
1137
diff
changeset
|
456 feedback.Warn("format error in line %d: %v", line, err) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
457 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
458 } |
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
|
459 if p.Z < 0 { |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
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parents:
2530
diff
changeset
|
460 p.Z = -p.Z |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
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parents:
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diff
changeset
|
461 if !hasNegZ { |
c7ce8b011bcb
SR import: Negate negative Z values and issue a warning if a negative Z value is found.
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parents:
2530
diff
changeset
|
462 hasNegZ = true |
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
|
463 feedback.Warn("Negative Z value found: Using -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
|
464 } |
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
|
465 } |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
466 mpz = append(mpz, p) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
467 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
468 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
469 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
|
470 return nil, err |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
471 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
472 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
473 return mpz, nil |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
474 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
475 |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
476 func loadXYZ(f *zip.File, feedback Feedback) (octree.MultiPointZ, error) { |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
477 r, err := f.Open() |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
478 if err != nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
479 return nil, err |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
480 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
481 defer r.Close() |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
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984
diff
changeset
|
482 return loadXYZReader(r, feedback) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
483 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
484 |
1786
09349ca27dd7
Imports: Removed duplicated code path to store WKB polygons into database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1754
diff
changeset
|
485 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
|
486 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
|
487 if shpF == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
488 return nil, nil |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
489 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
490 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
|
491 dbfF := common.FindInZIP(z, prefix+".dbf") |
960
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
492 if dbfF == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
493 return nil, fmt.Errorf("No DBF file found for %s", shpF.Name) |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
494 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
495 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
496 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
|
497 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
498 return nil, err |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
499 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
500 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
501 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
|
502 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
503 shpR.Close() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
504 return nil, err |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
505 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
506 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
|
507 defer sr.Close() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
508 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
509 if !sr.Next() { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
510 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
|
511 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
512 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
513 _, s := sr.Shape() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
514 if s == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
515 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
|
516 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
517 |
972
17a03a84b0e8
Split out polygon code out of sounding result importer source file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
518 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
|
519 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
520 |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
521 func generateContours(tree *octree.Tree, tx *sql.Tx, id int64) error { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
522 stmt, err := tx.Prepare(insertContourSQL) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
523 if err != nil { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
524 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
525 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
526 defer stmt.Close() |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
527 |
1184
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
528 // 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
|
529 var heights []float64 |
1184
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
530 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
|
531 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
|
532 heights = append(heights, h) |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
533 } |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
534 |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
535 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
|
536 if err == nil && len(res.Lines) > 0 { |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
537 _, err = stmt.Exec( |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
538 id, res.Height, tree.EPSG, |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
539 res.Lines.AsWKB2D(), |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
540 contourTolerance) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
541 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
542 }) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
543 |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
544 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
545 } |