Mercurial > gemma
annotate pkg/octree/tin.go @ 4806:a905438a7935
map: disable rotation
author | Thomas Junk <thomas.junk@intevation.de> |
---|---|
date | Mon, 28 Oct 2019 13:07:01 +0100 |
parents | f5492fda097c |
children |
rev | line source |
---|---|
1017
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
2 // without warranty, see README.md and license for details. |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
3 // |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
4 // SPDX-License-Identifier: AGPL-3.0-or-later |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
5 // License-Filename: LICENSES/AGPL-3.0.txt |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
6 // |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
7 // Copyright (C) 2018 by via donau |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
9 // Software engineering by Intevation GmbH |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
10 // |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
11 // Author(s): |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
a244b18cb916
Added GNU Affero General Public License.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
971
diff
changeset
|
13 |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
14 package octree |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
15 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
16 import ( |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
17 "bytes" |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
18 "encoding/binary" |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
19 "errors" |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
20 "fmt" |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
21 "io" |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
22 "log" |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
23 "math" |
1373
84e78d2e2d95
Backend: Centralized the definition of WGS84 constant in the models package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1328
diff
changeset
|
24 |
84e78d2e2d95
Backend: Centralized the definition of WGS84 constant in the models package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1328
diff
changeset
|
25 "gemma.intevation.de/gemma/pkg/models" |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
26 "gemma.intevation.de/gemma/pkg/wkb" |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
27 ) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
28 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
29 var ( |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
30 errNoByteSlice = errors.New("Not a byte slice") |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
31 errTooLessPoints = errors.New("Too less points") |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
32 ) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
33 |
1692
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
34 // Tin stores a mesh of triangles with common vertices. |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
35 type Tin struct { |
1692
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
36 // EPSG holds the projection. |
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
37 EPSG uint32 |
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
38 // Vertices are the shared vertices. |
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
39 Vertices []Vertex |
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
40 // Triangles are the triangles. |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
41 Triangles [][]int32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
42 |
1692
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
43 // Min is the lower left corner of the bbox. |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
44 Min Vertex |
1692
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
45 // Max is the upper right corner of the bbox. |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
46 Max Vertex |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
47 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
48 |
2575
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
49 func (t *Tin) Clip(polygon *Polygon) map[int32]struct{} { |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
50 var tree STRTree |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
51 tree.Build(t) |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
52 return tree.Clip(polygon) |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
53 } |
59e7a011d347
Morphological differences: Moved TIN clipping to octree package and hide the technical details there.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2529
diff
changeset
|
54 |
1692
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
55 // FromWKB constructs the TIN from a WKB representation. |
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
56 // Shared vertices are identified and referenced by the |
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
57 // same index. |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
58 func (t *Tin) FromWKB(data []byte) error { |
1691
de09bd3b5c05
Octree: Fixed a few golint quirks and normalized logging a bit.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
1373
diff
changeset
|
59 log.Printf("info: data length %d\n", len(data)) |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
60 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
61 r := bytes.NewReader(data) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
62 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
63 endian, err := r.ReadByte() |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
64 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
65 var order binary.ByteOrder |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
66 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
67 switch { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
68 case err != nil: |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
69 return err |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
70 case endian == wkb.NDR: |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
71 order = binary.LittleEndian |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
72 case endian == wkb.XDR: |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
73 order = binary.BigEndian |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
74 default: |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
75 return fmt.Errorf("unknown byte order %x", endian) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
76 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
77 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
78 var geomType uint32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
79 err = binary.Read(r, order, &geomType) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
80 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
81 switch { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
82 case err != nil: |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
83 return err |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
84 case geomType != wkb.TinZ: |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
85 return fmt.Errorf("unknown geometry type %x", geomType) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
86 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
87 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
88 var num uint32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
89 if err = binary.Read(r, order, &num); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
90 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
91 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
92 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
93 vertices := make([]Vertex, 0, 100000) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
94 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
95 var v Vertex |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
96 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
97 v2i := make(map[Vertex]int32, 100000) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
98 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
99 var indexPool []int32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
100 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
101 allocIndices := func() []int32 { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
102 if len(indexPool) == 0 { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
103 indexPool = make([]int32, 3*8*1024) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
104 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
105 ids := indexPool[:3] |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
106 indexPool = indexPool[3:] |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
107 return ids |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
108 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
109 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
110 var triangles [][]int32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
111 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
112 min := Vertex{math.MaxFloat64, math.MaxFloat64, math.MaxFloat64} |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
113 max := Vertex{-math.MaxFloat64, -math.MaxFloat64, -math.MaxFloat64} |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
114 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
115 for i := uint32(0); i < num; i++ { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
116 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
117 endian, err = r.ReadByte() |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
118 switch { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
119 case err != nil: |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
120 return err |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
121 case endian == wkb.NDR: |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
122 order = binary.LittleEndian |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
123 case endian == wkb.XDR: |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
124 order = binary.BigEndian |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
125 default: |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
126 return fmt.Errorf("unknown byte order %x", endian) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
127 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
128 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
129 err = binary.Read(r, order, &geomType) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
130 switch { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
131 case err != nil: |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
132 return err |
2471
63475c8e710e
Moved WKB constants to own package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1692
diff
changeset
|
133 case geomType != wkb.TriangleZ: |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
134 return fmt.Errorf("unknown geometry type %d", geomType) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
135 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
136 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
137 var rings uint32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
138 if err = binary.Read(r, order, &rings); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
139 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
140 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
141 triangle := allocIndices() |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
142 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
143 for ring := uint32(0); ring < rings; ring++ { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
144 var npoints uint32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
145 if err = binary.Read(r, order, &npoints); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
146 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
147 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
148 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
149 if npoints < 3 { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
150 return errTooLessPoints |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
151 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
152 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
153 for p := uint32(0); p < npoints; p++ { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
154 var x, y, z uint64 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
155 for _, addr := range []*uint64{&x, &y, &z} { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
156 if err = binary.Read(r, order, addr); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
157 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
158 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
159 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
160 if p >= 3 || ring >= 1 { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
161 // Don't store the forth point. |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
162 continue |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
163 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
164 // Do this conversion later to spare reflect calls |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
165 // and allocs in binary.Read. |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
166 v.X = math.Float64frombits(x) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
167 v.Y = math.Float64frombits(y) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
168 v.Z = math.Float64frombits(z) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
169 idx, found := v2i[v] |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
170 if !found { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
171 idx = int32(len(vertices)) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
172 v2i[v] = idx |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
173 vertices = append(vertices, v) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
174 min.Minimize(v) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
175 max.Maximize(v) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
176 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
177 triangle[p] = idx |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
178 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
179 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
180 triangles = append(triangles, triangle) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
181 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
182 |
1691
de09bd3b5c05
Octree: Fixed a few golint quirks and normalized logging a bit.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
1373
diff
changeset
|
183 log.Printf("info: bbox: [[%f, %f], [%f, %f]]\n", |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
184 min.X, min.Y, max.X, max.Y) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
185 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
186 *t = Tin{ |
1373
84e78d2e2d95
Backend: Centralized the definition of WGS84 constant in the models package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1328
diff
changeset
|
187 EPSG: models.WGS84, |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
188 Vertices: vertices, |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
189 Triangles: triangles, |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
190 Min: min, |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
191 Max: max, |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
192 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
193 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
194 return nil |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
195 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
196 |
1692
f4dcbe8941a1
Octree: Resolved the remaing golint issues with this package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
1691
diff
changeset
|
197 // Scan implements the sql.Scanner interface. |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
198 func (t *Tin) Scan(raw interface{}) error { |
971
f9fb6c399f3f
Moved generating of tins to octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
968
diff
changeset
|
199 if raw == nil { |
f9fb6c399f3f
Moved generating of tins to octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
968
diff
changeset
|
200 return nil |
f9fb6c399f3f
Moved generating of tins to octree package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
968
diff
changeset
|
201 } |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
202 data, ok := raw.([]byte) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
203 if !ok { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
204 return errNoByteSlice |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
205 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
206 return t.FromWKB(data) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
207 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
208 |
1691
de09bd3b5c05
Octree: Fixed a few golint quirks and normalized logging a bit.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
1373
diff
changeset
|
209 func (t *Tin) serialize(w io.Writer) error { |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
210 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
211 if err := binary.Write(w, binary.LittleEndian, t.EPSG); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
212 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
213 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
214 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
215 if err := t.Min.Write(w); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
216 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
217 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
218 if err := t.Max.Write(w); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
219 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
220 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
221 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
222 if err := binary.Write( |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
223 w, binary.LittleEndian, uint32(len(t.Vertices))); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
224 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
225 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
226 |
4652
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
227 var err error |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
228 vwrite := func(v float64) { |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
229 if err == nil { |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
230 err = binary.Write(w, binary.LittleEndian, math.Float64bits(v)) |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
231 } |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
232 } |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
233 |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
234 for _, v := range t.Vertices { |
4652
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
235 vwrite(v.X) |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
236 vwrite(v.Y) |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
237 vwrite(v.Z) |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
238 } |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
239 |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
240 if err != nil { |
f5492fda097c
Use gzip best speed instead of lz4.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2575
diff
changeset
|
241 return err |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
242 } |
1691
de09bd3b5c05
Octree: Fixed a few golint quirks and normalized logging a bit.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
1373
diff
changeset
|
243 log.Printf("info: vertices %d (%d)\n", len(t.Vertices), len(t.Vertices)*3*8) |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
244 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
245 if err := binary.Write( |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
246 w, binary.LittleEndian, uint32(len(t.Triangles))); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
247 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
248 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
249 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
250 var buf [binary.MaxVarintLen32]byte |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
251 var written int |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
252 var last int32 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
253 for _, triangle := range t.Triangles { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
254 for _, idx := range triangle { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
255 value := idx - last |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
256 n := binary.PutVarint(buf[:], int64(value)) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
257 for p := buf[:n]; len(p) > 0; p = p[n:] { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
258 var err error |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
259 if n, err = w.Write(p); err != nil { |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
260 return err |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
261 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
262 written += n |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
263 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
264 last = idx |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
265 } |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
266 } |
1691
de09bd3b5c05
Octree: Fixed a few golint quirks and normalized logging a bit.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
1373
diff
changeset
|
267 log.Printf("info: compressed tin indices in bytes: %d (%d)\n", |
968
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
268 written, 3*4*len(t.Triangles)) |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
269 |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
270 return nil |
a4fe07a21ba7
Moved octree builder into octree package to be reusable by the sounding result import job.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
271 } |