Mercurial > dive4elements > river

annotate flys-backend/contrib/shpimporter/boundaries.py @ 5060:c629719b87e7 dami

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Add the simple lookup table classes to the model
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 20 Feb 2013 17:01:13 +0100
parents f1c01fecf194
children c5187ab9f571
rev   line source
5004
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
Andre Heinecke <aheinecke@intevation.de>
parents: 4952
diff changeset
1 try:
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
Andre Heinecke <aheinecke@intevation.de>
parents: 4952
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2 from osgeo import ogr
f1c01fecf194 Fix imports of ogr, this removes a warning in gdal 1.9 but keeps
Andre Heinecke <aheinecke@intevation.de>
parents: 4952
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3 except ImportErrror:
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
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8 TABLE_NAME="hydr_boundaries"
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9 TABLE_NAME_POLY="hydr_boundaries_poly"
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10 PATH="Hydrologie/Hydr.Grenzen"
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11 NAME="Hydr. Boundaries"
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12
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13
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14 class HydrBoundary(Importer):
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15
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16 def getPath(self, base):
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17 return "%s/%s" % (base, PATH)
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18
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19 def getTablename(self):
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20 return TABLE_NAME
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21
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22 def getName(self):
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23 return NAME
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24
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25 def isGeometryValid(self, geomType):
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26 return geomType == ogr.wkbLineString
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27
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28 def isShapeRelevant(self, name, path):
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29 shp = ogr.Open(path)
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30 if self.isGeometryValid(shp.GetLayerByName(name).GetGeomType()) and \
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31 self.getKind(path) > 0:
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32 return True
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33 else:
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34 return False
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35
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36 def getKind(self, path):
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37 if "linien/bfg" in path.lower():
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38 return 1
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39 elif "linien/land" in path.lower():
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40 return 2
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41 elif "/sonstige/" in path.lower():
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42 return 3
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43 else:
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44 return 0
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45
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46 def createNewFeature(self, featureDef, feat, **args):
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47 kind = self.getKind(args['path'])
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48
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49 newFeat = ogr.Feature(featureDef)
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50 geometry = feat.GetGeometryRef()
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51 geometry.SetCoordinateDimension(2)
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52
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53 newFeat.SetGeometry(geometry)
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54 newFeat.SetField("name", args['name'])
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55 newFeat.SetField("kind", kind)
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56 if self.IsFieldSet(feat, "SECTIE"):
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57 newFeat.SetField("sectie", feat.GetField("SECTIE"))
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58
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59 if self.IsFieldSet(feat, "SOBEK"):
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60 newFeat.SetField("sobek", feat.GetField("SOBEK"))
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61
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62 if self.IsFieldSet(feat, "river_id"):
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63 newFeat.SetField("river_id", feat.GetField("river_id"))
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64 else:
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65 newFeat.SetField("river_id", self.river_id)
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66
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67 return newFeat
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68
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69 class HydrBoundaryPoly(HydrBoundary):
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70
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71 def getTablename(self):
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72 return TABLE_NAME_POLY
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73
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74 def getName(self):
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75 return "%s (Polygons)" % NAME
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76
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77 def isGeometryValid(self, geomType):
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78 return geomType == ogr.wkbPolygon or geomType == ogr.wkbMultiPolygon
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79
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80 def isShapeRelevant(self, name, path):
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81 shp = ogr.Open(path)
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82 if self.isGeometryValid(shp.GetLayerByName(name).GetGeomType()) and \
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83 self.getKind(path) > 0:
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84 return True
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85 else:
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86 return False
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87
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88 def createNewFeature(self, featureDef, feat, **args):
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89 kind = self.getKind(args['path'])
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90
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91 newFeat = ogr.Feature(featureDef)
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92 geometry = feat.GetGeometryRef()
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93 geometry.SetCoordinateDimension(2)
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94
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95 newFeat.SetGeometry(geometry)
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96 newFeat.SetField("name", args['name'])
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97 newFeat.SetField("kind", kind)
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98
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99 if self.IsFieldSet(feat, "SECTIE"):
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100 newFeat.SetField("sectie", feat.GetField("SECTIE"))
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101
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102 if self.IsFieldSet(feat, "SOBEK"):
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103 newFeat.SetField("sobek", feat.GetField("SOBEK"))
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104
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105
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106 if self.IsFieldSet(feat, "river_id"):
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107 newFeat.SetField("river_id", feat.GetField("river_id"))
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108 else:
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109 newFeat.SetField("river_id", self.river_id)
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110
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111 return newFeat
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112
http://dive4elements.wald.intevation.org