Mercurial > dive4elements > river

annotate backend/contrib/shpimporter/boundaries.py @ 8813:8abe94270f32

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Do not filter cross section points for display. Filtering coordinates outside an extent probably aimed at omitting outliers from the diagram. This is obsolete and had the side effect of filtering the important point at x = 0.
author Tom Gottfried <tom@intevation.de>
date Fri, 28 Apr 2017 19:03:56 +0200
parents baae6cbc1086
children
rev   line source
5004
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
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parents: 4952
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1 try:
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
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2 from osgeo import ogr
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c5187ab9f571 Fix Syntax Errror
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3 except ImportError:
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f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
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parents: 4952
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4 import ogr
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5
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6 from importer import Importer
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7 import utils
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8
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9 TABLE_NAME="hydr_boundaries"
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10 TABLE_NAME_POLY="hydr_boundaries_poly"
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11 PATH="Hydrologie/Hydr.Grenzen"
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12 NAME="Hydr. Boundaries"
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14
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15 class HydrBoundary(Importer):
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16
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17 def getPath(self, base):
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18 return "%s/%s" % (base, PATH)
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19
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20 def getTablename(self):
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21 return TABLE_NAME
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22
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23 def getName(self):
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24 return NAME
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25
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26 def isGeometryValid(self, geomType):
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27 return geomType in [ogr.wkbLineString,
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28 ogr.wkbLineString25D,
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29 ogr.wkbMultiLineString25D,
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30 ogr.wkbMultiLineString]
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31
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32 def isShapeRelevant(self, name, path):
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33 shp = ogr.Open(path)
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34 if self.isGeometryValid(shp.GetLayerByName(name).GetGeomType()) and \
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35 self.getKind(path) > 0 and not "talaue" in path.lower():
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36 return True
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37 else:
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38 return False
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39
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40 def getKind(self, path):
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41 if "linien/bfg" in path.lower():
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42 return 1
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43 elif "linien/land" in path.lower():
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44 return 2
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45 elif "/sonstige/" in path.lower():
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46 return 3
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47 else:
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48 return 0
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49
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50 def createNewFeature(self, featureDef, feat, **args):
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51 kind = self.getKind(args['path'])
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52
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53 newFeat = ogr.Feature(featureDef)
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54 geometry = feat.GetGeometryRef()
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55 geometry.SetCoordinateDimension(3)
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56
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57 newFeat.SetGeometry(geometry)
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58 newFeat.SetField("name", args['name'])
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59 newFeat.SetField("kind", kind)
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60 if self.IsFieldSet(feat, "SECTIE"):
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61 newFeat.SetField("sectie", feat.GetField("SECTIE"))
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62
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63 if self.IsFieldSet(feat, "STROVOER"):
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64 newFeat.SetField("sobek", feat.GetField("STROVOER"))
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65
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66 if self.IsFieldSet(feat, "river_id"):
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67 newFeat.SetField("river_id", feat.GetField("river_id"))
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68 else:
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69 newFeat.SetField("river_id", self.river_id)
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70
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71 return utils.convertToMultiLine(newFeat)
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72
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73 class HydrBoundaryPoly(HydrBoundary):
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74
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75 def getTablename(self):
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76 return TABLE_NAME_POLY
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77
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78 def getName(self):
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79 return "%s (Polygons)" % NAME
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80
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81 def isGeometryValid(self, geomType):
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82 return geomType == ogr.wkbPolygon or geomType == ogr.wkbMultiPolygon
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83
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84 def isShapeRelevant(self, name, path):
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85 shp = ogr.Open(path)
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86 if self.isGeometryValid(shp.GetLayerByName(name).GetGeomType()) and \
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87 self.getKind(path) > 0 and not "talaue" in path.lower():
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88 return True
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89 else:
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90 return False
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91
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92 def createNewFeature(self, featureDef, feat, **args):
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93 kind = self.getKind(args['path'])
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94
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95 newFeat = ogr.Feature(featureDef)
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96 geometry = feat.GetGeometryRef()
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97 geometry.SetCoordinateDimension(2)
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98
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99 newFeat.SetGeometry(geometry)
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100 newFeat.SetField("name", args['name'])
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101 newFeat.SetField("kind", kind)
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102
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103 if self.IsFieldSet(feat, "SECTIE"):
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104 newFeat.SetField("sectie", feat.GetField("SECTIE"))
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105
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106 if self.IsFieldSet(feat, "STROVOER"):
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107 newFeat.SetField("sobek", feat.GetField("STROVOER"))
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108
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109 if self.IsFieldSet(feat, "river_id"):
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110 newFeat.SetField("river_id", feat.GetField("river_id"))
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111 else:
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112 newFeat.SetField("river_id", self.river_id)
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113
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114 return utils.convertToMultiPolygon(newFeat)
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115
http://dive4elements.wald.intevation.org