Mercurial > gemma
annotate pkg/imports/sr.go @ 977:4a2ca0e20006
Fixed build error.
Copied file to the wrong place and said 'go build' to another wrong place. Argh.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 18 Oct 2018 17:30:53 +0200 |
parents | c397fdd8c327 |
children | 544a5cfe07cd |
rev | line source |
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959
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Started with writing an importer job for sounding results.
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parents:
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1 package imports |
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parents:
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2 |
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3 import ( |
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4 "archive/zip" |
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5 "bufio" |
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6 "context" |
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7 "crypto/sha1" |
959
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8 "database/sql" |
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9 "encoding/hex" |
959
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10 "encoding/json" |
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11 "errors" |
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12 "fmt" |
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13 "io" |
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14 "log" |
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15 "os" |
960
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16 "path" |
959
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17 "strconv" |
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18 "strings" |
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19 "time" |
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20 |
960
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21 shp "github.com/jonas-p/go-shp" |
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22 |
959
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23 "gemma.intevation.de/gemma/pkg/octree" |
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24 ) |
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25 |
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26 type SoundingResult struct { |
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27 who string |
960
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28 zip string |
959
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29 } |
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30 |
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31 const SoundingResultDateFormat = "2006-01-02" |
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32 |
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33 type ( |
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Stored point cloud and bounding area of sounding result in database. WIP.
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34 SoundingResultDate struct{ time.Time } |
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Stored point cloud and bounding area of sounding result in database. WIP.
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35 |
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36 SoundingResultMeta struct { |
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37 Date SoundingResultDate `json:"date"` |
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Stored point cloud and bounding area of sounding result in database. WIP.
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38 Bottleneck string `json:"bottleneck"` |
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Stored point cloud and bounding area of sounding result in database. WIP.
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39 EPSG uint `json:"epsg"` |
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Stored point cloud and bounding area of sounding result in database. WIP.
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40 DepthReference string `json:"depth-reference"` |
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Stored point cloud and bounding area of sounding result in database. WIP.
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41 } |
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Serialize boundary polygon of sounding result as WKB.
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42 ) |
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Serialize boundary polygon of sounding result as WKB.
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parents:
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43 |
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Serialize boundary polygon of sounding result as WKB.
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parents:
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44 const ( |
977
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45 contourStepWidth = 0.5 |
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Fixed build error.
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46 contourTolerance = 0.1 |
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47 ) |
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48 |
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49 const ( |
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50 insertPointsSQL = ` |
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Stored point cloud and bounding area of sounding result in database. WIP.
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51 INSERT INTO waterway.sounding_results ( |
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52 bottleneck_id, |
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53 date_info, |
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Stored point cloud and bounding area of sounding result in database. WIP.
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54 depth_reference, |
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Stored point cloud and bounding area of sounding result in database. WIP.
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55 point_cloud, |
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Stored point cloud and bounding area of sounding result in database. WIP.
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56 area |
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57 ) VALUES ( |
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58 (SELECT bottleneck_id from waterway.bottlenecks where objnam = $1), |
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59 $2::date, |
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Stored point cloud and bounding area of sounding result in database. WIP.
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60 $3, |
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Stored point cloud and bounding area of sounding result in database. WIP.
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61 ST_Transform(ST_GeomFromWKB($4, $6::integer), 4326)::geography, |
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62 (SELECT CASE $5 IS NULL THEN |
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63 ST_Transform( |
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64 ST_ConcaveHull( |
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65 ST_Force2D(ST_GeomFromWKB($4, $6::integer)), 0.7), 4326)::geography |
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66 ELSE |
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67 ST_Transform(ST_GeomFromWKB($5, $6::integer), 4326)::geography |
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68 END) |
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69 ) |
971
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Moved generating of tins to octree package.
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70 RETURNING |
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71 id, |
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72 CASE WHEN ST_Y(ST_Centroid(point_cloud::geometry)) > 0 THEN |
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73 32600 |
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74 ELSE |
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Moved generating of tins to octree package.
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parents:
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75 32700 |
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Moved generating of tins to octree package.
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76 END + floor((ST_X(ST_Centroid(point_cloud::geometry))+180)/6)::int + 1` |
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Generate TINs and octrees in sounding result importer.
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77 |
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Generate TINs and octrees in sounding result importer.
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78 insertOctreeSQL = ` |
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79 INSERT INTO waterway.octrees ( |
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80 sounding_result_id, |
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81 checksum, |
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Generate TINs and octrees in sounding result importer.
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82 octree_index |
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83 ) VALUES ( |
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Generate TINs and octrees in sounding result importer.
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parents:
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84 $1, |
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Generate TINs and octrees in sounding result importer.
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parents:
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85 $2, |
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Generate TINs and octrees in sounding result importer.
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parents:
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86 $3 |
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Generate TINs and octrees in sounding result importer.
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87 )` |
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88 |
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89 insertContourSQL = ` |
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90 INSERT INTO waterway.sounding_results_contour_lines ( |
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91 sounding_result_id, |
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92 height, |
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Fixed build error.
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93 lines |
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Fixed build error.
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94 ) |
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95 SELECT |
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96 $1, |
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97 $2, |
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98 ST_Transform( |
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99 ST_Multi( |
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100 ST_CollectionExtract( |
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101 ST_Intersection( |
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102 ST_Transform(sr.area::geometry, $3::integer), |
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103 ST_SimplifyPreserveTopology( |
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104 ST_GeomFromWKB($4, $3::integer), |
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105 $5 |
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106 ) |
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107 ), |
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Fixed build error.
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108 2 |
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109 ) |
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110 ), |
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111 4326 |
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112 ) |
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113 FROM waterway.sounding_results sr |
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114 WHERE id = $1 |
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115 ` |
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116 ) |
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117 |
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118 func (srd *SoundingResultDate) UnmarshalJSON(data []byte) error { |
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119 var s string |
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120 if err := json.Unmarshal(data, &s); err != nil { |
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121 return err |
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122 } |
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123 d, err := time.Parse(SoundingResultDateFormat, s) |
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124 if err == nil { |
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125 *srd = SoundingResultDate{d} |
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126 } |
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127 return err |
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128 } |
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129 |
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130 func (sr *SoundingResult) Who() string { |
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131 return sr.who |
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132 } |
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133 |
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134 func (sr *SoundingResult) CleanUp() error { |
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135 return os.RemoveAll(sr.zip) |
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136 } |
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137 |
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138 func find(needle string, haystack []*zip.File) *zip.File { |
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139 needle = strings.ToLower(needle) |
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140 for _, straw := range haystack { |
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141 if strings.HasSuffix(strings.ToLower(straw.Name), needle) { |
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142 return straw |
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143 } |
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144 } |
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145 return nil |
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146 } |
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147 |
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148 func loadMeta(f *zip.File) (*SoundingResultMeta, error) { |
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149 r, err := f.Open() |
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150 if err != nil { |
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151 return nil, err |
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152 } |
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153 defer r.Close() |
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154 var m SoundingResultMeta |
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155 err = json.NewDecoder(r).Decode(&m) |
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156 return &m, err |
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157 } |
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158 |
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159 func (m *SoundingResultMeta) validate(conn *sql.Conn) error { |
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160 |
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161 var b bool |
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162 err := conn.QueryRowContext(context.Background(), |
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163 `SELECT true FROM internal.depth_references WHERE depth_reference = $1`, |
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164 m.DepthReference).Scan(&b) |
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165 switch { |
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166 case err == sql.ErrNoRows: |
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167 return fmt.Errorf("Unknown depth reference '%s'\n", m.DepthReference) |
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168 case err != nil: |
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169 return err |
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170 case !b: |
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171 return errors.New("Unexpected depth reference") |
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172 } |
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173 |
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174 err = conn.QueryRowContext(context.Background(), |
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175 `SELECT true FROM waterway.bottlenecks WHERE objnam = $1`, |
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176 m.Bottleneck).Scan(&b) |
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177 switch { |
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178 case err == sql.ErrNoRows: |
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179 return fmt.Errorf("Unknown bottleneck '%s'\n", m.Bottleneck) |
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180 case err != nil: |
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181 return err |
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182 case !b: |
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183 return errors.New("Unexpected bottleneck") |
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184 } |
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185 |
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186 return nil |
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187 } |
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188 |
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189 func loadXYZReader(r io.Reader) (octree.MultiPointZ, error) { |
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190 mpz := make(octree.MultiPointZ, 0, 250000) |
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191 s := bufio.NewScanner(r) |
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192 |
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193 for line := 1; s.Scan(); line++ { |
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194 text := s.Text() |
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195 var p octree.Vertex |
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196 // fmt.Sscanf(text, "%f,%f,%f") is 4 times slower. |
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197 idx := strings.IndexByte(text, ',') |
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198 if idx == -1 { |
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199 log.Printf("format error in line %d\n", line) |
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200 continue |
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201 } |
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202 var err error |
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203 if p.X, err = strconv.ParseFloat(text[:idx], 64); err != nil { |
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204 log.Printf("format error in line %d: %v\n", line, err) |
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205 continue |
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206 } |
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207 text = text[idx+1:] |
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208 if idx = strings.IndexByte(text, ','); idx == -1 { |
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209 log.Printf("format error in line %d\n", line) |
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210 continue |
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211 } |
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212 if p.Y, err = strconv.ParseFloat(text[:idx], 64); err != nil { |
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213 log.Printf("format error in line %d: %v\n", line, err) |
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214 continue |
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215 } |
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216 text = text[idx+1:] |
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217 if p.Z, err = strconv.ParseFloat(text, 64); err != nil { |
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218 log.Printf("format error in line %d: %v\n", line, err) |
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219 continue |
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220 } |
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221 mpz = append(mpz, p) |
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222 } |
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223 |
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224 if err := s.Err(); err != nil { |
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225 return nil, err |
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226 } |
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227 |
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228 return mpz, nil |
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229 } |
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230 |
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231 func loadXYZ(f *zip.File) (octree.MultiPointZ, error) { |
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232 r, err := f.Open() |
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233 if err != nil { |
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234 return nil, err |
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235 } |
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236 defer r.Close() |
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237 return loadXYZReader(r) |
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238 } |
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239 |
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240 func loadBoundary(z *zip.ReadCloser) (Polygon, error) { |
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241 shpF := find(".shp", z.File) |
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242 if shpF == nil { |
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243 return nil, nil |
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244 } |
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245 prefix := strings.TrimSuffix(shpF.Name, path.Ext(shpF.Name)) |
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246 dbfF := find(prefix+".dbf", z.File) |
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247 if dbfF == nil { |
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248 return nil, fmt.Errorf("No DBF file found for %s", shpF.Name) |
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249 } |
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250 |
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251 shpR, err := shpF.Open() |
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252 if err != nil { |
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253 return nil, err |
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254 } |
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255 |
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256 dbfR, err := dbfF.Open() |
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257 if err != nil { |
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258 shpR.Close() |
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259 return nil, err |
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260 } |
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261 sr := shp.SequentialReaderFromExt(shpR, dbfR) |
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262 defer sr.Close() |
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263 |
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264 if !sr.Next() { |
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Load boundary polygon of sounding result from ZIP file.
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265 return nil, sr.Err() |
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266 } |
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267 |
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268 _, s := sr.Shape() |
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269 if s == nil { |
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270 return nil, sr.Err() |
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271 } |
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272 |
972
17a03a84b0e8
Split out polygon code out of sounding result importer source file.
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273 return shapeToPolygon(s) |
960
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274 } |
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Load boundary polygon of sounding result from ZIP file.
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275 |
959
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276 func (sr *SoundingResult) Do(conn *sql.Conn) error { |
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277 |
960
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Load boundary polygon of sounding result from ZIP file.
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278 z, err := zip.OpenReader(sr.zip) |
959
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279 if err != nil { |
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280 return err |
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281 } |
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Started with writing an importer job for sounding results.
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282 defer z.Close() |
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283 |
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284 mf := find("meta.json", z.File) |
6ab012d0f0c2
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285 if mf == nil { |
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286 return errors.New("Cannot find 'meta.json'") |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
287 } |
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Started with writing an importer job for sounding results.
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parents:
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|
288 |
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289 m, err := loadMeta(mf) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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|
290 if err != nil { |
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Started with writing an importer job for sounding results.
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291 return err |
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Started with writing an importer job for sounding results.
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changeset
|
292 } |
6ab012d0f0c2
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293 |
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294 if err := m.validate(conn); err != nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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|
295 return err |
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Started with writing an importer job for sounding results.
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changeset
|
296 } |
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Started with writing an importer job for sounding results.
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297 |
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diff
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|
298 xyzf := find(".xyz", z.File) |
6ab012d0f0c2
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|
299 if xyzf == nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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|
300 return errors.New("Cannot find any *.xyz file") |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
301 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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|
302 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
303 xyz, err := loadXYZ(xyzf) |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
304 if err != nil { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
305 return err |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
306 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
307 |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
changeset
|
308 if len(xyz) == 0 { |
6ab012d0f0c2
Started with writing an importer job for sounding results.
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parents:
diff
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|
309 return errors.New("XYZ does not contain any vertices.") |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
310 } |
6ab012d0f0c2
Started with writing an importer job for sounding results.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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|
311 |
960
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
312 // Is there a boundary shapefile in the ZIP archive? |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
313 polygon, err := loadBoundary(z) |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
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parents:
959
diff
changeset
|
314 if err != nil { |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
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|
315 return err |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
316 } |
e23ae2c83427
Load boundary polygon of sounding result from ZIP file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
959
diff
changeset
|
317 |
973
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
318 ctx := context.Background() |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
319 |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
320 tx, err := conn.BeginTx(ctx, nil) |
961
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
321 if err != nil { |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
322 return err |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
323 } |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
324 defer tx.Rollback() |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
325 |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
326 var id int64 |
971
f9fb6c399f3f
Moved generating of tins to octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
964
diff
changeset
|
327 var epsg uint32 |
973
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
328 start := time.Now() |
961
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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329 |
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Generate TINs and octrees in sounding result importer.
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330 err = tx.QueryRow(insertPointsSQL, |
961
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Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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|
331 m.Bottleneck, |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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|
332 m.Date.Time, |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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|
333 m.DepthReference, |
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Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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|
334 xyz.AsWKB(), |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
changeset
|
335 polygon.AsWBK(), |
971
f9fb6c399f3f
Moved generating of tins to octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
336 m.EPSG, |
973
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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337 ).Scan(&id, &epsg) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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338 xyz, polygon = nil, nil // not need from now on. |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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339 log.Printf("storing points took %s\n", time.Since(start)) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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diff
changeset
|
340 if err != nil { |
961
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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|
341 return err |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
342 } |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
343 |
971
f9fb6c399f3f
Moved generating of tins to octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
344 log.Printf("EPSG: %d\n", epsg) |
f9fb6c399f3f
Moved generating of tins to octree package.
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parents:
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diff
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|
345 |
973
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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diff
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346 start = time.Now() |
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Generate TINs and octrees in sounding result importer.
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parents:
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347 tin, err := octree.GenerateTinByID(conn, ctx, id, epsg) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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348 log.Printf("triangulation took %s\n", time.Since(start)) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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349 if err != nil { |
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Generate TINs and octrees in sounding result importer.
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parents:
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350 return err |
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Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
351 } |
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Generate TINs and octrees in sounding result importer.
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parents:
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352 |
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Generate TINs and octrees in sounding result importer.
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parents:
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353 if tin == nil { |
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Generate TINs and octrees in sounding result importer.
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parents:
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354 return errors.New("cannot load TIN from database") |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
355 } |
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Generate TINs and octrees in sounding result importer.
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parents:
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diff
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|
356 |
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Generate TINs and octrees in sounding result importer.
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parents:
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357 builder := octree.NewBuilder(tin) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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358 start = time.Now() |
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Generate TINs and octrees in sounding result importer.
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parents:
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diff
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|
359 builder.Build() |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
360 octreeIndex, err := builder.Bytes() |
974
7a89313f0ead
Fetch the octree directly from the builder. No need to deserialize it from the blob.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
361 tin = nil // not needed from now on |
973
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Generate TINs and octrees in sounding result importer.
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parents:
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|
362 log.Printf("building octree took %s\n", time.Since(start)) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
363 if err != nil { |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
364 return err |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
365 } |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
366 |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
367 h := sha1.New() |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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|
368 h.Write(octreeIndex) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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|
369 checksum := hex.EncodeToString(h.Sum(nil)) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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diff
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|
370 |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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diff
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|
371 start = time.Now() |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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diff
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|
372 _, err = tx.Exec(insertOctreeSQL, id, checksum, octreeIndex) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
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parents:
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|
373 log.Printf("storing octree index took %s\n", time.Since(start)) |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
374 if err != nil { |
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Generate TINs and octrees in sounding result importer.
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parents:
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|
375 return err |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
376 } |
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
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|
377 |
976
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
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parents:
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|
378 tree := builder.Tree() |
974
7a89313f0ead
Fetch the octree directly from the builder. No need to deserialize it from the blob.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
379 builder = nil // not needed from now on |
973
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Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
380 |
976
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
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parents:
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|
381 start = time.Now() |
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
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parents:
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diff
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|
382 err = generateContours(tree, tx, id) |
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
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parents:
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diff
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|
383 log.Printf("generating and storing contour lines took %s\n", time.Since(start)) |
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
384 if err != nil { |
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
974
diff
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|
385 return err |
c397fdd8c327
Generate the contour lines of the sounding result during the import, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
974
diff
changeset
|
386 } |
973
b6fec8f85599
Generate TINs and octrees in sounding result importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
972
diff
changeset
|
387 |
961
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
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parents:
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diff
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|
388 return tx.Commit() |
a4c92e0ef2e1
Stored point cloud and bounding area of sounding result in database. WIP.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
960
diff
changeset
|
389 } |
977
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
390 |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
391 func generateContours(tree *octree.Tree, tx *sql.Tx, id int64) error { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
392 stmt, err := tx.Prepare(insertContourSQL) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
393 if err != nil { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
394 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
395 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
396 defer stmt.Close() |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
397 |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
398 octree.DoContours(tree, contourStepWidth, func(res *octree.ContourResult) { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
399 if err == nil { |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
400 _, err = stmt.Exec( |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
401 id, res.Height, tree.EPSG, |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
402 res.Lines.AsWKB2D(), |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
403 contourTolerance) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
404 } |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
405 }) |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
406 |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
407 return err |
4a2ca0e20006
Fixed build error.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
976
diff
changeset
|
408 } |