Mercurial > gemma
annotate pkg/controllers/diff.go @ 4658:4bbfe3dd2ab5 stree-experiment
Completed usage of STRTrees.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Mon, 14 Oct 2019 14:58:04 +0200 |
parents | 5ef04ae34872 |
children | 0ddb308fed37 |
rev | line source |
---|---|
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
2 // without warranty, see README.md and license for details. |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
3 // |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
4 // SPDX-License-Identifier: AGPL-3.0-or-later |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
5 // License-Filename: LICENSES/AGPL-3.0.txt |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
6 // |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
7 // Copyright (C) 2018, 2019 by via donau |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
9 // Software engineering by Intevation GmbH |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
10 // |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
11 // Author(s): |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
13 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
14 package controllers |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
15 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
16 import ( |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
17 "database/sql" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
18 "fmt" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
19 "log" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
20 "net/http" |
2574
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
21 "sync" |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
22 "time" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
23 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
24 "golang.org/x/sync/semaphore" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
25 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
26 "gemma.intevation.de/gemma/pkg/common" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
27 "gemma.intevation.de/gemma/pkg/models" |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
28 "gemma.intevation.de/gemma/pkg/octree" |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
29 |
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
30 mw "gemma.intevation.de/gemma/pkg/middleware" |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
31 ) |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
32 |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
33 const ( |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
34 contourTolerance = 0.1 |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
35 contourStep = 0.1 |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
36 ) |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
37 |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
38 const ( |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
39 // isoCellSize is the side length of a raster cell when tracing |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
40 // iso areas. |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
41 isoCellSize = 0.5 |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
42 ) |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
43 |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
44 const ( |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
45 diffIDSQL = ` |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
46 SELECT sd.id FROM |
3656
2a079d0a71c1
Ensure sounding results are associated to matching bottleneck version
Tom Gottfried <tom@intevation.de>
parents:
2587
diff
changeset
|
47 caching.sounding_differences sd JOIN |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
48 waterway.sounding_results srm ON sd.minuend = srm.id JOIN |
2587
857bb070b9f1
Morphological differences: Bottleneck_id is an integer represented as a string.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2585
diff
changeset
|
49 waterway.sounding_results srs ON sd.subtrahend = srs.id |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
50 WHERE srm.bottleneck_id = srs.bottleneck_id AND |
2587
857bb070b9f1
Morphological differences: Bottleneck_id is an integer represented as a string.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2585
diff
changeset
|
51 srm.bottleneck_id = $1 AND |
857bb070b9f1
Morphological differences: Bottleneck_id is an integer represented as a string.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2585
diff
changeset
|
52 srm.date_info = $2::date AND |
857bb070b9f1
Morphological differences: Bottleneck_id is an integer represented as a string.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2585
diff
changeset
|
53 srs.date_info = $3::date |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
54 ` |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
55 insertDiffSQL = ` |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
56 WITH soundings AS ( |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
57 SELECT sr.id AS id, sr.date_info AS date_info FROM |
2587
857bb070b9f1
Morphological differences: Bottleneck_id is an integer represented as a string.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2585
diff
changeset
|
58 waterway.sounding_results sr |
857bb070b9f1
Morphological differences: Bottleneck_id is an integer represented as a string.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2585
diff
changeset
|
59 WHERE sr.bottleneck_id = $1 |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
60 ) |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
61 INSERT INTO caching.sounding_differences (minuend, subtrahend) |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
62 SELECT m.id, s.id FROM soundings m, soundings s |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
63 WHERE m.date_info = $2::date AND s.date_info = $3::date |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
64 RETURNING id |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
65 ` |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
66 insertDiffIsoAreasQL = ` |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
67 INSERT INTO caching.sounding_differences_iso_areas ( |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
68 sounding_differences_id, |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
69 height, |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
70 areas |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
71 ) |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
72 SELECT |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
73 $1, |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
74 $2, |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
75 ST_Transform( |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
76 ST_Multi( |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
77 ST_CollectionExtract( |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
78 ST_SimplifyPreserveTopology( |
4637
0ed1489af8b6
Removed ST_MakeValid from inserting sounding results and differences ... in hope that they are not broken.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4578
diff
changeset
|
79 ST_GeomFromWKB($4, $3::integer), |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
80 $5 |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
81 ), |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
82 3 |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
83 ) |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
84 ), |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
85 4326 |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
86 ) |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
87 ` |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
88 ) |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
89 |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
90 // Only allow three diffence calculation at once. |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
91 // TODO: Make this configurable? |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
92 var diffCalculationSemaphore = semaphore.NewWeighted(int64(3)) |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
93 |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
94 func diffCalculation(req *http.Request) (jr mw.JSONResult, err error) { |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
95 |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
96 begin := time.Now() |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
97 start := begin |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
98 |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
99 dci := mw.JSONInput(req).(*models.DiffCalculationInput) |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
100 |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
101 ctx := req.Context() |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
102 |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
103 conn := mw.JSONConn(req) |
4242
1458c9b0fdaa
Made the sql.Conn in function accessible via the context of the request.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3954
diff
changeset
|
104 |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
105 var id int64 |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
106 err = conn.QueryRowContext( |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
107 ctx, |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
108 diffIDSQL, |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
109 dci.Bottleneck, |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
110 dci.Minuend.Time, |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
111 dci.Subtrahend.Time, |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
112 ).Scan(&id) |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
113 |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
114 switch { |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
115 case err == sql.ErrNoRows: |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
116 // We need to calculate it. |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
117 case err != nil: |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
118 return |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
119 default: |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
120 // We already have this diff |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
121 jr = mw.JSONResult{ |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
122 Result: map[string]int64{"id": id}, |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
123 } |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
124 return |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
125 } |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
126 |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
127 // DoS counter measure. |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
128 if err = diffCalculationSemaphore.Acquire(ctx, 1); err != nil { |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
129 return |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
130 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
131 defer diffCalculationSemaphore.Release(1) |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
132 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
133 minuendTree, err := octree.FromCache( |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
134 ctx, conn, |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
135 dci.Bottleneck, dci.Minuend.Time) |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
136 |
4658
4bbfe3dd2ab5
Completed usage of STRTrees.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4641
diff
changeset
|
137 log.Printf("info: loading minuend mesh took %s\n", time.Since(start)) |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
138 if err != nil { |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
139 return |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
140 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
141 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
142 if minuendTree == nil { |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
143 err = mw.JSONError{ |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
144 Code: http.StatusNotFound, |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
145 Message: fmt.Sprintf("Cannot find survey for %s/%s.", |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
146 dci.Bottleneck, |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
147 dci.Minuend.Format(common.DateFormat)), |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
148 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
149 return |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
150 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
151 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
152 start = time.Now() |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
153 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
154 subtrahendTree, err := octree.FromCache( |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
155 ctx, conn, |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
156 dci.Bottleneck, dci.Subtrahend.Time) |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
157 |
4658
4bbfe3dd2ab5
Completed usage of STRTrees.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4641
diff
changeset
|
158 log.Printf("info: loading subtrahend mesh took %s\n", time.Since(start)) |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
159 if err != nil { |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
160 return |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
161 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
162 |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
163 if subtrahendTree == nil { |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
164 err = mw.JSONError{ |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
165 Code: http.StatusNotFound, |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
166 Message: fmt.Sprintf("Cannot find survey for %s/%s.", |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
167 dci.Bottleneck, |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
168 dci.Subtrahend.Format(common.DateFormat)), |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
169 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
170 return |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
171 } |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
172 |
2572
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
173 // We need a slow path implementation for this. |
4658
4bbfe3dd2ab5
Completed usage of STRTrees.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4641
diff
changeset
|
174 epsg := minuendTree.EPSG() |
4bbfe3dd2ab5
Completed usage of STRTrees.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4641
diff
changeset
|
175 if epsg != subtrahendTree.EPSG() { |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
176 err = mw.JSONError{ |
2572
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
177 Code: http.StatusInternalServerError, |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
178 Message: "Calculating differences between two different " + |
4658
4bbfe3dd2ab5
Completed usage of STRTrees.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4641
diff
changeset
|
179 "EPSG code meshes are not supported, yet.", |
2572
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
180 } |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
181 return |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
182 } |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
183 |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
184 start = time.Now() |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
185 points := minuendTree.Diff(subtrahendTree) |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
186 log.Printf("info: A - B took %v\n", time.Since(start)) |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
187 |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
188 minuendTree, subtrahendTree = nil, nil |
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
189 |
2574
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
190 // The Triangulation and the loading of the clipping |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
191 // polygon can be done concurrently. |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
192 |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
193 jobs := make(chan func()) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
194 |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
195 wg := new(sync.WaitGroup) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
196 for i := 0; i < 2; i++ { |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
197 wg.Add(1) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
198 go func() { |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
199 defer wg.Done() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
200 for job := range jobs { |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
201 job() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
202 } |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
203 }() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
204 } |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
205 |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
206 var ( |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
207 tri *octree.Triangulation |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
208 triErr error |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
209 clip *octree.Polygon |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
210 clipErr error |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
211 ) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
212 |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
213 jobs <- func() { |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
214 start := time.Now() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
215 tri, triErr = points.Triangulate() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
216 log.Printf("info: triangulation took %v\n", time.Since(start)) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
217 } |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
218 |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
219 jobs <- func() { |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
220 start := time.Now() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
221 clip, clipErr = octree.LoadClippingPolygon( |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
222 ctx, conn, |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
223 epsg, |
2574
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
224 dci.Bottleneck, |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
225 dci.Minuend.Time, |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
226 dci.Subtrahend.Time) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
227 log.Printf("info: loading clipping polygon took %v\n", time.Since(start)) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
228 } |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
229 close(jobs) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
230 wg.Wait() |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
231 |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
232 switch { |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
233 case triErr != nil && clipErr != nil: |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
234 err = fmt.Errorf("%v %v", triErr, clipErr) |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
235 return |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
236 case triErr != nil: |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
237 err = triErr |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
238 return |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
239 case clipErr != nil: |
2833ff156cb2
Morphological differences: Moved loading of clipping polygon into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2572
diff
changeset
|
240 err = clipErr |
2572
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
241 return |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
242 } |
7686c7c23506
Morphological differences: Moved some code into octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2570
diff
changeset
|
243 |
2575
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
244 start = time.Now() |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
245 tin := tri.Tin() |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
246 removed := tin.Clip(clip) |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
247 clip = nil |
2575
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
248 log.Printf("info: clipping TIN took %v\n", time.Since(start)) |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
249 |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
250 log.Printf("info: Number of triangles to clip: %d\n", len(removed)) |
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
251 |
2575
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
252 start = time.Now() |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
253 var tree octree.STRTree |
2575
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2574
diff
changeset
|
254 |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
255 tree.BuildWithout(tin, removed) |
2576
647a58ee9ae9
Morphological differences: Centralized generation of height values for differences in octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
256 |
4658
4bbfe3dd2ab5
Completed usage of STRTrees.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4641
diff
changeset
|
257 log.Printf("info: Building final mesh took: %v\n", time.Since(start)) |
2576
647a58ee9ae9
Morphological differences: Centralized generation of height values for differences in octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
258 |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
259 start = time.Now() |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
260 |
2580
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
261 // XXX: Maybe we should start this transaction earlier!? |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
262 var tx *sql.Tx |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
263 if tx, err = conn.BeginTx(ctx, nil); err != nil { |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
264 return |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
265 } |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
266 defer tx.Rollback() |
5125db802b79
Morphological differences: Check if we already have a diff before we start to calculate it.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2576
diff
changeset
|
267 |
3883
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
268 var heights []float64 |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
269 |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
270 heights, err = octree.LoadClassBreaks( |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
271 ctx, tx, |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
272 "morphology_classbreaks_compare") |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
273 if err != nil { |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
274 log.Printf("warn: Loading class breaks failed: %v\n", err) |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
275 heights = octree.SampleDiffHeights(tin.Min.Z, tin.Max.Z, contourStep) |
3883
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
276 } else { |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
277 heights = octree.ExtrapolateClassBreaks(heights, tin.Min.Z, tin.Max.Z) |
3954
cb4fda122321
Completing: Don't create extra inbetween class breaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3883
diff
changeset
|
278 // heights = octree.InBetweenClassBreaks(heights, 0.05, 2) |
3883
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
279 } |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
280 |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
281 log.Printf("info: num heights: %d\n", len(heights)) |
0b382767b5ab
Use custom class breaks in morpho differences.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
3656
diff
changeset
|
282 |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
283 var isoStmt *sql.Stmt |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
284 if isoStmt, err = tx.PrepareContext(ctx, insertDiffIsoAreasQL); err != nil { |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
285 return |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
286 } |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
287 defer isoStmt.Close() |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
288 |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
289 if err = tx.QueryRowContext( |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
290 ctx, |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
291 insertDiffSQL, |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
292 dci.Bottleneck, |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
293 dci.Minuend.Time, |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
294 dci.Subtrahend.Time, |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
295 ).Scan(&id); err != nil { |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
296 return |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
297 } |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
298 |
4256
4ca884dfc470
Prevent heights duplicates in iso line calculations.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4244
diff
changeset
|
299 heights = common.DedupFloat64s(heights) |
4ca884dfc470
Prevent heights duplicates in iso line calculations.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4244
diff
changeset
|
300 |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
301 areas := octree.TraceAreas(heights, isoCellSize, tin.Min, tin.Max, tree.Value) |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
302 |
4639
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
303 var size int |
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
304 |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
305 for i, a := range areas { |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
306 if len(a) == 0 { |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
307 continue |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
308 } |
4639
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
309 wkb := a.AsWKB() |
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
310 size += len(wkb) |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
311 if _, err = isoStmt.ExecContext( |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
312 ctx, |
4641
5ef04ae34872
Used STRTree for caluculating the diff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4640
diff
changeset
|
313 id, heights[i], epsg, |
4639
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
314 wkb, |
4574
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
315 contourTolerance, |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
316 ); err != nil { |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
317 return |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
318 } |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
319 } |
daed8a92024a
Generate iso ares for sounding differences, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4256
diff
changeset
|
320 |
4639
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
321 log.Printf("info: Transferred WKB size: %.2fMB.\n", |
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
322 float64(size)/(1024*1024)) |
4380f5483c03
Log the size of the transferred WKB to database for differences, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4637
diff
changeset
|
323 |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
324 log.Printf("info: calculating and storing iso lines took %v\n", |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
325 time.Since(start)) |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
326 |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
327 if err != nil { |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
328 return |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
329 } |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
330 |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
331 if err = tx.Commit(); err != nil { |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
332 log.Printf("info: difference calculation failed after %v\n", |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
333 time.Since(begin)) |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
334 return |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
335 } |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
336 log.Printf("info: difference calculation succeed after %v\n", |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
337 time.Since(begin)) |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
338 |
4244
4394daeea96a
Moved JSONHandler into middleware package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
4243
diff
changeset
|
339 jr = mw.JSONResult{ |
2583
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
340 Result: map[string]int64{"id": id}, |
5c6a7e69b02d
Morphological differences: Store calculated iso-lines in database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2580
diff
changeset
|
341 } |
2570
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
342 return |
c4242b9d59fe
Morphological differences: Added endpoint stub POST /api/diff
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
343 } |