gemma: pkg/mesh/tin.go annotate

annotate pkg/mesh/tin.go @ 5591:0011f50cf216 surveysperbottleneckid

Removed no longer used alternative api for surveys/ endpoint. As bottlenecks in the summary for SR imports are now identified by their id and no longer by the (not guarantied to be unique!) name, there is no longer the need to request survey data by the name+date tuple (which isn't reliable anyway). So the workaround was now reversed.

author	Sascha Wilde <wilde@sha-bang.de>
date	Wed, 06 Apr 2022 13:30:29 +0200
parents	5f47eeea988d
children	1222b777f51f

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
4827 f4abfd0ee8ad Renamed octree package to mesh as there is no octree any more. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4652 diff changeset	14 package mesh
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	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 "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	23
5490 5f47eeea988d Use own logging package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4847 diff changeset	24 "gemma.intevation.de/gemma/pkg/log"
1373 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 (
4847 4847ac70103a Made staticcheck happy. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4827 diff changeset	30 errNoByteSlice = errors.New("not a byte slice")
4847ac70103a Made staticcheck happy. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4827 diff changeset	31 errTooLessPoints = errors.New("too less points")
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	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 {
5490 5f47eeea988d Use own logging package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4847 diff changeset	59 log.Infof("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, 381024)
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
5490 5f47eeea988d Use own logging package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4847 diff changeset	183 log.Infof("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 }
5490 5f47eeea988d Use own logging package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4847 diff changeset	243 log.Infof("vertices %d (%d)\n", len(t.Vertices), len(t.Vertices)38)
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 }
5490 5f47eeea988d Use own logging package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4847 diff changeset	267 log.Infof("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, 34len(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 }

Mercurial > gemma

annotate pkg/mesh/tin.go @ 5591:0011f50cf216 surveysperbottleneckid