Mercurial > dive4elements > river

annotate backend/contrib/shpimporter/boundaries.py @ 6061:e9a76ffa0f9a

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Use maxOverlap to get the correct gauge for the MainValues Previously just the first matching gauge was taken even if it's range ended with the minimum value. This code is clearly intended to get one gauge for one range so the best match should be taken.
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 22 May 2013 18:10:48 +0200
parents d5e95f926d13
children baae6cbc1086
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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3 except ImportError:
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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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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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4e166c514940 Do not import floodplains as hydr boundaries again
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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:
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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