Mercurial > gemma
annotate pkg/imports/sr.go @ 2878:4f66a3ba424b
Fixed selection for Nash-Sutcliffe coeff calculation.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 01 Apr 2019 15:57:36 +0200 |
parents | b1707f60f241 |
children | 27ffd94afcb5 |
rev | line source |
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1017
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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), |
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128 ST_AsBinary(ST_Transform(area::geometry, best_utm(area))) |
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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'") |
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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 feedback.Info("Bottleneck: %s", m.Bottleneck) |
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194 feedback.Info("Survey date: %s", m.Date.Format(common.DateFormat)) |
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195 |
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196 if err := m.Validate(ctx, conn); err != nil { |
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197 return nil, common.ToError(err) |
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198 } |
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199 |
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200 var xyzf *zip.File |
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201 for _, ext := range []string{".xyz", ".txt"} { |
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202 feedback.Info("Looking for '*%s'", ext) |
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203 if xyzf = common.FindInZIP(z, ext); xyzf != nil { |
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204 break |
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205 } |
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206 } |
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207 if xyzf == nil { |
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208 return nil, errors.New("Cannot find any *.xyz or *.txt file") |
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209 } |
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210 |
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211 xyz, err := loadXYZ(xyzf, feedback) |
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212 if err != nil { |
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213 return nil, err |
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214 } |
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215 |
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216 if len(xyz) == 0 { |
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217 return nil, errors.New("XYZ does not contain any vertices") |
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218 } |
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219 |
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220 // Is there a boundary shapefile in the ZIP archive? |
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221 polygon, err := loadBoundary(z) |
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222 if err != nil { |
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223 return nil, err |
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224 } |
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225 |
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226 tx, err := conn.BeginTx(ctx, nil) |
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227 if err != nil { |
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228 return nil, err |
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229 } |
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230 defer tx.Rollback() |
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231 |
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232 var ( |
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233 id int64 |
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234 epsg uint32 |
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235 lat, lon float64 |
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236 ) |
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237 start := time.Now() |
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238 |
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239 var hull []byte |
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240 |
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241 xyzWKB := xyz.AsWKB() |
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242 |
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243 err = tx.QueryRow(insertHullSQL, |
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244 m.Bottleneck, |
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245 m.Date.Time, |
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246 m.DepthReference, |
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247 xyzWKB, |
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248 polygon.asWKB(), |
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249 m.EPSG, |
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250 ).Scan( |
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251 &id, |
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252 &lat, |
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253 &lon, |
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254 &epsg, |
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255 &hull, |
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256 ) |
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257 xyz, polygon = nil, nil // not need from now on. |
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258 feedback.Info("Calculating hull took %s.", time.Since(start)) |
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259 if err != nil { |
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260 return nil, err |
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261 } |
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262 feedback.Info("Best suited UTM EPSG: %d", epsg) |
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263 |
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264 start = time.Now() |
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265 |
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266 var clippingPolygon octree.Polygon |
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267 if err := clippingPolygon.FromWKB(hull); err != nil { |
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268 return nil, err |
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269 } |
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270 clippingPolygon.Indexify() |
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271 feedback.Info("Building clipping polygon took %v.", time.Since(start)) |
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272 |
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273 start = time.Now() |
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274 |
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275 var reproj []byte |
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276 |
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277 if err = tx.QueryRow(reprojectPointsSQL, |
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278 xyzWKB, |
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279 m.EPSG, |
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280 epsg, |
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281 ).Scan(&reproj); err != nil { |
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282 return nil, err |
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283 } |
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284 |
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285 if err := xyz.FromWKB(reproj); err != nil { |
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286 return nil, err |
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287 } |
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288 |
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289 feedback.Info("Reprojecting points took %v.", time.Since(start)) |
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290 feedback.Info("Number of reprojected points: %d", len(xyz)) |
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291 |
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292 start = time.Now() |
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293 |
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294 tri, err := octree.Triangulate(xyz) |
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295 if err != nil { |
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296 return nil, err |
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297 } |
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298 feedback.Info("Triangulation took %v.", time.Since(start)) |
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299 |
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300 start = time.Now() |
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301 |
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302 tin := tri.Tin() |
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303 |
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304 var str octree.STRTree |
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305 str.Build(tin) |
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306 feedback.Info("Building STR tree took %v", time.Since(start)) |
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307 |
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308 start = time.Now() |
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309 |
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310 removed := str.Clip(&clippingPolygon) |
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311 feedback.Info("Clipping STR tree took %v.", time.Since(start)) |
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312 feedback.Info("Number of triangles to clip %d.", len(removed)) |
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313 |
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314 start = time.Now() |
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315 |
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316 tin.EPSG = epsg |
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317 |
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318 builder := octree.NewBuilder(tin) |
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319 builder.Build(removed) |
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320 octreeIndex, err := builder.Bytes() |
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321 if err != nil { |
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322 return nil, err |
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323 } |
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324 feedback.Info("Building octree took %v.", time.Since(start)) |
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325 |
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326 start = time.Now() |
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327 h := sha1.New() |
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328 h.Write(octreeIndex) |
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329 checksum := hex.EncodeToString(h.Sum(nil)) |
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330 _, err = tx.Exec(insertOctreeSQL, id, checksum, octreeIndex) |
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331 if err != nil { |
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332 return nil, err |
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333 } |
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334 feedback.Info("Storing octree index took %s.", time.Since(start)) |
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335 |
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336 tree := builder.Tree() |
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337 |
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338 start = time.Now() |
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339 err = generateContours(tree, tx, id) |
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340 if err != nil { |
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341 return nil, err |
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342 } |
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343 feedback.Info("Generating and storing contour lines took %s.", |
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344 time.Since(start)) |
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345 |
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346 // Store for potential later removal. |
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347 if err = track(ctx, tx, importID, "waterway.sounding_results", id); err != nil { |
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348 return nil, err |
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349 } |
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350 |
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351 if err = tx.Commit(); err != nil { |
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352 feedback.Error( |
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353 "Storing sounding result failed after %v.", time.Since(begin)) |
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354 return nil, err |
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355 } |
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356 |
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357 feedback.Info( |
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358 "Storing sounding result was successful after %v.", time.Since(begin)) |
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359 |
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360 summary := struct { |
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361 Bottleneck string `json:"bottleneck"` |
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362 Date models.Date `json:"date"` |
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363 Lat float64 `json:"lat"` |
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364 Lon float64 `json:"lon"` |
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365 }{ |
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366 Bottleneck: m.Bottleneck, |
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367 Date: m.Date, |
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368 Lat: lat, |
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369 Lon: lon, |
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370 } |
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371 |
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372 return &summary, nil |
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373 } |
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374 |
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375 // CleanUp removes the folder containing the ZIP file with the |
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376 // the sounding result import. |
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377 func (sr *SoundingResult) CleanUp() error { |
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378 return os.RemoveAll(sr.Dir) |
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379 } |
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380 |
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381 func (sr *SoundingResult) completeOverride() bool { |
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382 // sr.EPSG == nil -> WGS84 |
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383 return sr.Bottleneck != nil && sr.Date != nil && sr.DepthReference != nil |
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384 } |
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385 |
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386 func (sr *SoundingResult) loadMeta(f *zip.File) (*models.SoundingResultMeta, error) { |
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387 if f == nil { |
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388 var epsg uint |
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389 if sr.EPSG != nil { |
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390 epsg = *sr.EPSG |
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391 } else { |
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392 epsg = models.WGS84 |
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393 } |
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394 return &models.SoundingResultMeta{ |
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395 Date: *sr.Date, |
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396 Bottleneck: *sr.Bottleneck, |
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397 EPSG: epsg, |
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398 DepthReference: *sr.DepthReference, |
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399 }, nil |
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400 } |
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401 r, err := f.Open() |
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402 if err != nil { |
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403 return nil, err |
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Started with writing an importer job for sounding results.
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changeset
|
404 } |
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Started with writing an importer job for sounding results.
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parents:
diff
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|
405 defer r.Close() |
1224
bc4b642c8d04
Started with an upload sounding result to temp upload area.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
406 var m models.SoundingResultMeta |
1239
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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 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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diff
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|
408 return nil, err |
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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|
409 } |
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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|
410 |
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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|
411 // 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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|
412 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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parents:
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|
413 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
changeset
|
414 } |
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
changeset
|
415 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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parents:
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diff
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|
416 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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diff
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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.
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parents:
1225
diff
changeset
|
418 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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|
419 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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diff
changeset
|
420 } |
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
changeset
|
421 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:
1225
diff
changeset
|
422 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.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
423 } |
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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|
424 |
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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|
425 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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|
426 } |
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Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
427 |
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
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|
428 func loadXYZReader(r io.Reader, feedback Feedback) (octree.MultiPointZ, error) { |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
429 mpz := make(octree.MultiPointZ, 0, 250000) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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|
430 s := bufio.NewScanner(r) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
431 |
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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|
432 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>
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|
433 |
959
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Started with writing an importer job for sounding results.
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parents:
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|
434 for line := 1; s.Scan(); line++ { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
435 text := s.Text() |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
436 var p octree.Vertex |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
437 // fmt.Sscanf(text, "%f,%f,%f") is 4 times slower. |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
438 idx := strings.IndexByte(text, ',') |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
439 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
changeset
|
440 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
|
441 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
442 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
443 var err error |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
444 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
|
445 feedback.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
|
446 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
447 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
448 text = text[idx+1:] |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
449 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
|
450 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
|
451 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
452 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
453 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.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1137
diff
changeset
|
454 feedback.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
|
455 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
456 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
457 text = text[idx+1:] |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
458 if p.Z, err = strconv.ParseFloat(text, 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
|
459 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
|
460 continue |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
461 } |
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
|
462 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
|
463 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
|
464 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
|
465 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
|
466 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
|
467 } |
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
|
468 } |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
469 mpz = append(mpz, p) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
470 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
471 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
472 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
|
473 return nil, err |
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 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
476 return mpz, nil |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
477 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
478 |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
479 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
|
480 r, err := f.Open() |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
481 if err != nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
482 return nil, err |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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 defer r.Close() |
988
7dfd3db94e6d
In preparation of persisting import jobs logging is done through an interface.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
984
diff
changeset
|
485 return loadXYZReader(r, feedback) |
959
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
486 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
487 |
1786
09349ca27dd7
Imports: Removed duplicated code path to store WKB polygons into database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1754
diff
changeset
|
488 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
|
489 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
|
490 if shpF == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
491 return nil, nil |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
492 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
493 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
|
494 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
|
495 if dbfF == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
496 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
|
497 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
498 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
499 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
|
500 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
501 return nil, err |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
502 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
503 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
504 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
|
505 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
506 shpR.Close() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
507 return nil, err |
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 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
|
510 defer sr.Close() |
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 if !sr.Next() { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
513 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
|
514 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
515 |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
516 _, s := sr.Shape() |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
517 if s == nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
518 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
|
519 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
520 |
972
17a03a84b0e8
Split out polygon code out of sounding result importer source file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
521 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
|
522 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
523 |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
524 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
|
525 stmt, err := tx.Prepare(insertContourSQL) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
526 if err != nil { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
527 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
528 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
529 defer stmt.Close() |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
530 |
1184
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
531 // 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
|
532 var heights []float64 |
1184
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
533 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
|
534 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
|
535 heights = append(heights, h) |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
536 } |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
537 |
064d44ccc6f2
Adjust contour lines heights to multiples of step width
Tom Gottfried <tom@intevation.de>
parents:
1168
diff
changeset
|
538 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
|
539 if err == nil && len(res.Lines) > 0 { |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
540 _, err = stmt.Exec( |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
541 id, res.Height, tree.EPSG, |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
542 res.Lines.AsWKB2D(), |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
543 contourTolerance) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
544 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
545 }) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
546 |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
547 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
548 } |