gemma: pkg/imports/wkb.go annotate

annotate pkg/imports/wkb.go @ 5560:f2204f91d286

Join the log lines of imports to the log exports to recover data from them. Used in SR export to extract information that where in the meta json but now are only found in the log.

author	Sascha L. Teichmann <sascha.teichmann@intevation.de>
date	Wed, 09 Feb 2022 18:34:40 +0100
parents	41a67619c170
children	6270951dda28

rev	line source
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	1 // This is Free Software under GNU Affero General Public License v >= 3.0
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	2 // without warranty, see README.md and license for details.
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	3 //
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	4 // SPDX-License-Identifier: AGPL-3.0-or-later
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	5 // License-Filename: LICENSES/AGPL-3.0.txt
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	6 //
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	7 // Copyright (C) 2018 by via donau
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	8 // – Österreichische Wasserstraßen-Gesellschaft mbH
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	9 // Software engineering by Intevation GmbH
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	10 //
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	11 // Author(s):
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	13
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	14 package imports
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	15
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	16 import (
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	17 "bytes"
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	18 "encoding/binary"
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	19 "fmt"
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	20 "math"
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	21
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	22 shp "github.com/jonas-p/go-shp"
2471 63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	23
63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	24 "gemma.intevation.de/gemma/pkg/wkb"
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	25 )
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	26
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	27 type (
5270 41a67619c170 Added multi geometry support for some imports. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5016 diff changeset	28 pointSlice []float64
41a67619c170 Added multi geometry support for some imports. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5016 diff changeset	29 lineSlice [][]float64
41a67619c170 Added multi geometry support for some imports. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5016 diff changeset	30 multiLineSlice []lineSlice
41a67619c170 Added multi geometry support for some imports. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5016 diff changeset	31 polygonSlice [][][]float64
41a67619c170 Added multi geometry support for some imports. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5016 diff changeset	32 multiPolygonSlice []polygonSlice
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	33 )
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	34
5007 799e8248de8d First step to move geometry creation for WFS features to loader. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4977 diff changeset	35 func newPointFeature(newProperties func() interface{}) func() (string, interface{}) {
799e8248de8d First step to move geometry creation for WFS features to loader. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4977 diff changeset	36 return func() (string, interface{}) { return "Point", newProperties() }
4977 4bf6cde2d996 Generalize WFS point import job to be able to import other geometry types, too. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4852 diff changeset	37 }
4bf6cde2d996 Generalize WFS point import job to be able to import other geometry types, too. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4852 diff changeset	38
5016 cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	39 func newMultiLineFeature(
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	40 newProperties func() interface{},
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	41 ) func() (string, interface{}) {
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	42 return func() (string, interface{}) {
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	43 return "MultiLineString", newProperties()
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	44 }
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	45 }
cf25b23e3eec Keep historic data of waterway axis Tom Gottfried <tom@intevation.de> parents: 5008 diff changeset	46
5008 0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	47 func (ls lineSlice) toWKB(buf *bytes.Buffer) {
2471 63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	48 binary.Write(buf, binary.LittleEndian, wkb.NDR)
63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	49 binary.Write(buf, binary.LittleEndian, wkb.LineString)
4852 046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	50 binary.Write(buf, binary.LittleEndian, uint32(len(ls)))
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	51
4852 046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	52 for _, c := range ls {
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	53 var lat, lon float64
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	54 if len(c) > 0 {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	55 lat = c[0]
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	56 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	57 if len(c) > 1 {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	58 lon = c[1]
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	59 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	60 binary.Write(buf, binary.LittleEndian, math.Float64bits(lat))
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	61 binary.Write(buf, binary.LittleEndian, math.Float64bits(lon))
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	62 }
5008 0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	63 }
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	64
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	65 func (ls lineSlice) asWKB() []byte {
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	66
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	67 size := 1 + 4 + 4 + len(ls)(28)
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	68
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	69 buf := bytes.NewBuffer(make([]byte, 0, size))
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	70 ls.toWKB(buf)
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	71
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	72 return buf.Bytes()
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	73 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	74
4313 5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	75 func (ls lineSlice) LinearRingGeom() wkb.LinearRingGeom {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	76 lr := make(wkb.LinearRingGeom, len(ls))
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	77 for i, v := range ls {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	78 lr[i].X = v[0]
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	79 lr[i].Y = v[1]
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	80 }
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	81 return lr
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	82 }
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	83
5008 0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	84 func (mls multiLineSlice) asWKB() []byte {
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	85
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	86 size := 1 + 4 + 4
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	87
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	88 for _, ls := range mls {
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	89 size += 1 + 4 + 4 + len(ls)(28)
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	90 }
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	91
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	92 buf := bytes.NewBuffer(make([]byte, 0, size))
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	93
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	94 binary.Write(buf, binary.LittleEndian, wkb.NDR)
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	95 binary.Write(buf, binary.LittleEndian, wkb.MultiLineString)
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	96 binary.Write(buf, binary.LittleEndian, uint32(len(mls)))
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	97
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	98 for _, ls := range mls {
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	99 ls.toWKB(buf)
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	100 }
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	101
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	102 return buf.Bytes()
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	103 }
0b97f5301a17 Add a multiLineSlice type to be serialized as WKB in importers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 5007 diff changeset	104
1860 f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	105 func (p pointSlice) asWKB() []byte {
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	106
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	107 size := 1 + 4 + 2*8
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	108
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	109 buf := bytes.NewBuffer(make([]byte, 0, size))
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	110
2471 63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	111 binary.Write(buf, binary.LittleEndian, wkb.NDR)
63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	112 binary.Write(buf, binary.LittleEndian, wkb.Point)
1860 f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	113
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	114 var lat, lon float64
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	115 if len(p) > 0 {
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	116 lat = p[0]
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	117 }
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	118 if len(p) > 1 {
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	119 lon = p[1]
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	120 }
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	121 binary.Write(buf, binary.LittleEndian, math.Float64bits(lat))
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	122 binary.Write(buf, binary.LittleEndian, math.Float64bits(lon))
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	123
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	124 return buf.Bytes()
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	125 }
f54ac71db1ac Importer: Added point geoemtry to wkb datatypes. Raimund Renkert <raimund.renkert@intevation.de> parents: 1786 diff changeset	126
4852 046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	127 func (ps polygonSlice) asWKB() []byte {
046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	128 if ps == nil {
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	129 return nil
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	130 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	131 // pre-calculate size to avoid reallocations.
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	132 size := 1 + 4 + 4
4852 046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	133 for _, ring := range ps {
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	134 size += 4 + len(ring)28
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	135 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	136
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	137 buf := bytes.NewBuffer(make([]byte, 0, size))
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	138
2471 63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	139 binary.Write(buf, binary.LittleEndian, wkb.NDR)
63475c8e710e Moved WKB constants to own package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1860 diff changeset	140 binary.Write(buf, binary.LittleEndian, wkb.Polygon)
4852 046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	141 binary.Write(buf, binary.LittleEndian, uint32(len(ps)))
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	142
4852 046a07a33b19 Fixed the golint issues of the imports package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4313 diff changeset	143 for _, ring := range ps {
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	144 binary.Write(buf, binary.LittleEndian, uint32(len(ring)))
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	145 for _, v := range ring {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	146 var lat, lon float64
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	147 if len(v) > 0 {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	148 lat = v[0]
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	149 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	150 if len(v) > 1 {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	151 lon = v[1]
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	152 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	153 binary.Write(buf, binary.LittleEndian, math.Float64bits(lat))
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	154 binary.Write(buf, binary.LittleEndian, math.Float64bits(lon))
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	155 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	156 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	157
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	158 return buf.Bytes()
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	159 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	160
1786 09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	161 func shapeToPolygon(s shp.Shape) (polygonSlice, error) {
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	162 switch p := s.(type) {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	163 case *shp.Polygon:
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	164 return toPolygon(p.NumParts, p.Parts, p.Points), nil
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	165 case *shp.PolygonZ:
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	166 return toPolygon(p.NumParts, p.Parts, p.Points), nil
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	167 case *shp.PolygonM:
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	168 return toPolygon(p.NumParts, p.Parts, p.Points), nil
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	169 }
4177 8b75ac5e243e Made 'staticcheck' happy with pgxutils package. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 2471 diff changeset	170 return nil, fmt.Errorf("unsupported shape type %T", s)
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	171 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	172
1786 09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	173 func toPolygon(numParts int32, parts []int32, points []shp.Point) polygonSlice {
09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	174 out := make(polygonSlice, numParts)
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	175 var pos int32
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	176
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	177 for i := range out {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	178 var howMany int32
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	179 if i+1 >= len(parts) {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	180 howMany = int32(len(points)) - pos
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	181 } else {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	182 howMany = parts[i+1] - parts[i]
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	183 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	184
1786 09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	185 line := make([][]float64, howMany)
09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	186 vertices := make([]float64, 2*howMany)
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	187 for j := int32(0); j < howMany; j, pos = j+1, pos+1 {
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	188 p := &points[pos]
1786 09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	189 vertex := vertices[j2 : j2+2]
09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	190 vertex[0], vertex[1] = p.X, p.Y
09349ca27dd7 Imports: Removed duplicated code path to store WKB polygons into database. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1785 diff changeset	191 line[j] = vertex
1785 614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	192 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	193 out[i] = line
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	194 }
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	195 return out
614c6c766691 Waterway area import: Implemented. Sascha L. Teichmann <teichmann@intevation.de> parents: diff changeset	196 }
4313 5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	197
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	198 func (ps polygonSlice) MultiPolygonGeom() wkb.MultiPolygonGeom {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	199
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	200 var mp wkb.MultiPolygonGeom
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	201 var curr wkb.PolygonGeom
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	202
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	203 for _, r := range ps {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	204 lr := lineSlice(r).LinearRingGeom()
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	205 // A counter clockwise ring starts a new polygon.
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	206 if lr.CCW() {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	207 if len(curr) > 0 {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	208 mp = append(mp, curr)
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	209 curr = wkb.PolygonGeom{}
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	210 }
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	211 }
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	212 curr = append(curr, lr)
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	213 }
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	214
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	215 if len(curr) > 0 {
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	216 mp = append(mp, curr)
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	217 }
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	218
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	219 return mp
5da02dcc51f6 shape upload stretch import: Started to decode geometries and attributes from uploaded shape file. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 4177 diff changeset	220 }

Mercurial > gemma

annotate pkg/imports/wkb.go @ 5560:f2204f91d286