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annotate pkg/imports/isr.go @ 4852:046a07a33b19

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Fixed the golint issues of the imports package.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 19 Nov 2019 16:08:55 +0100
parents f4abfd0ee8ad
children 59a99655f34d
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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
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14 package imports
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15
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16 import (
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17 "context"
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18 "database/sql"
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19 "time"
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20
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21 "gemma.intevation.de/gemma/pkg/common"
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22 "gemma.intevation.de/gemma/pkg/mesh"
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23 )
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24
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25 // IsoRefresh is an import job to refresh the pre-calculated
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26 // iso morphology data when the class breaks were changed.
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27 type IsoRefresh struct {
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28 ClassBreaks string `json:"class-breaks"`
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29 }
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30
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31 // ISRJobKind is the unique name of this import job type.
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32 const ISRJobKind JobKind = "isr"
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33
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34 func init() { RegisterJobCreator(ISRJobKind, isrJobCreator{}) }
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35
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36 type isrJobCreator struct{}
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37
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38 func (isrJobCreator) Description() string { return "refresh iso lines" }
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39
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40 func (isrJobCreator) AutoAccept() bool { return true }
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41
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42 func (isrJobCreator) Create() Job { return new(IsoRefresh) }
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43
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44 func (isrJobCreator) StageDone(context.Context, *sql.Tx, int64) error {
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45 return nil
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46 }
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47
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48 func (isrJobCreator) Depends() [2][]string {
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49 return srJobCreator{}.Depends()
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50 }
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51
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52 const (
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53 fetchSoundingResultsIDsSQL = `
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54 SELECT bottleneck_id, id
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55 FROM waterway.sounding_results
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56 ORDER BY bottleneck_id
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57 `
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58 deleteIsoAreasSQL = `
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59 DELETE FROM waterway.sounding_results_iso_areas
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60 WHERE sounding_result_id = $1
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61 `
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62 )
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63
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64 // CleanUp of a iso refresh import is a NOP.
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65 func (isr *IsoRefresh) CleanUp() error { return nil }
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66
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67 type bottleneckSoundingResults struct {
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68 bn string
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69 srs []int64
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70 }
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71
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72 func fetchBottleneckResults(
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73 ctx context.Context,
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74 conn *sql.Conn,
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75 ) ([]bottleneckSoundingResults, error) {
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76
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77 rows, err := conn.QueryContext(ctx, fetchSoundingResultsIDsSQL)
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78 if err != nil {
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79 return nil, err
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80 }
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81 defer rows.Close()
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82
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83 var ids []bottleneckSoundingResults
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84
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85 for rows.Next() {
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86 var bn string
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87 var sr int64
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88 if err := rows.Scan(&bn, &sr); err != nil {
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89 return nil, err
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90 }
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91 if len(ids) > 0 {
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92 if ids[len(ids)-1].bn != bn {
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93 ids = append(ids, bottleneckSoundingResults{
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94 bn: bn,
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95 srs: []int64{sr},
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96 })
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97 } else {
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98 ids[len(ids)-1].srs = append(ids[len(ids)-1].srs, sr)
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99 }
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100 } else {
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101 ids = []bottleneckSoundingResults{
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102 {bn: bn, srs: []int64{sr}},
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103 }
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104 }
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105 }
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106 if err := rows.Err(); err != nil {
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107 return nil, err
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108 }
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109 return ids, nil
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110 }
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111
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112 // Do executes the actual refreshing of the iso areas.
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113 func (isr *IsoRefresh) Do(
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114 ctx context.Context,
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115 importID int64,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
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parents:
diff changeset
116 conn *sql.Conn,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
117 feedback Feedback,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
118 ) (interface{}, error) {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
119
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
120 start := time.Now()
4767
f66e5b2fa894 Wording: Speak of iso areas instead of iso lines when refreshing the sounding results after a configuration change.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4669
diff changeset
121 feedback.Info("Regenerating iso areas for sounding results " +
4255
d69a3b19a1ae Indicate to the user what triggered the import
Tom Gottfried <tom@intevation.de>
parents: 4220
diff changeset
122 "after configuration change")
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 defer func() {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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124 feedback.Info(
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125 "Processing all sounding results took %v.",
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
126 time.Since(start))
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
127 }()
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128
4827
f4abfd0ee8ad Renamed octree package to mesh as there is no octree any more.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4768
diff changeset
129 heights, err := mesh.ParseClassBreaks(isr.ClassBreaks)
4214
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
130 if err != nil {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
131 return nil, err
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
132 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
133
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
134 bns, err := fetchBottleneckResults(ctx, conn)
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
135 if err != nil {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 return nil, err
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139 for i := range bns {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140 start := time.Now()
4216
cbc75527916f Refresh iso contour lines import: Improved logging a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4215
diff changeset
141 feedback.Info("Processing bottleneck '%s' ...", bns[i].bn)
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 err := isr.processBottleneck(
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 ctx, conn,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 heights,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145 &bns[i],
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146 )
4216
cbc75527916f Refresh iso contour lines import: Improved logging a bit.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4215
diff changeset
147 feedback.Info("Processing took %v.", time.Since(start))
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 if err != nil {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149 return nil, err
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
150 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 return nil, nil
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 func (isr *IsoRefresh) processBottleneck(
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 ctx context.Context,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158 conn *sql.Conn,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 heights []float64,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
160 bn *bottleneckSoundingResults,
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 ) error {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 // Do one transaction per bottleneck.
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 tx, err := conn.BeginTx(ctx, nil)
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164 if err != nil {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
165 return nil
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 defer tx.Rollback()
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168
4571
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
169 insertAreasStmt, err := tx.Prepare(insertIsoAreasSQL)
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
170 if err != nil {
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
171 return err
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
172 }
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
173 defer insertAreasStmt.Close()
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 // For all sounding results in bottleneck.
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 for _, sr := range bn.srs {
4827
f4abfd0ee8ad Renamed octree package to mesh as there is no octree any more.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4768
diff changeset
177 tree, err := mesh.FetchMeshDirectly(ctx, tx, sr)
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 if err != nil {
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 return err
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 }
4827
f4abfd0ee8ad Renamed octree package to mesh as there is no octree any more.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4768
diff changeset
181 hs := mesh.ExtrapolateClassBreaks(heights, tree.Min().Z, tree.Max().Z)
4256
4ca884dfc470 Prevent heights duplicates in iso line calculations.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4220
diff changeset
182 hs = common.DedupFloat64s(hs)
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183
4571
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
184 // Delete the old iso areas.
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
185 if _, err := tx.ExecContext(ctx, deleteIsoAreasSQL, sr); err != nil {
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
186 return err
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
187 }
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
188
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
189 // Calculate and store the iso areas.
4827
f4abfd0ee8ad Renamed octree package to mesh as there is no octree any more.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4768
diff changeset
190 box := mesh.Box2D{
4768
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
191 X1: tree.Min().X,
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
192 Y1: tree.Min().Y,
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
193 X2: tree.Max().X,
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
194 Y2: tree.Max().Y,
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
195 }
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
196
4827
f4abfd0ee8ad Renamed octree package to mesh as there is no octree any more.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4768
diff changeset
197 raster := mesh.NewRaster(box, isoCellSize)
4768
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
198 raster.Rasterize(tree.Value)
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
199 areas := raster.Trace(hs)
a2f16bbcc846 Morph differences: Directly raster A and subtract B as a raster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4767
diff changeset
200
4571
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
201 for i, a := range areas {
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
202 if len(a) == 0 {
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
203 continue
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
204 }
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
205 if _, err := insertAreasStmt.ExecContext(
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
206 ctx,
4669
65845c6522fb Fixed EPSG call in iso regeneration import.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4658
diff changeset
207 sr, hs[i], tree.EPSG(),
4571
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
208 a.AsWKB(),
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
209 contourTolerance,
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
210 ); err != nil {
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
211 return err
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
212 }
a413b4a89bcc Update areas if config has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4257
diff changeset
213 }
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 }
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215
4220
d8b736ba3f32 Refresh iso contour lines import: Commit the changes!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4216
diff changeset
216 return tx.Commit()
4214
49564382ffff Added a import queue job to recalculate the contour lines of the sounding results if the heights have changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 }