Mercurial > dive4elements > river
comparison flys-backend/contrib/shpimporter/boundaries.py @ 2861:b0132e1b9719
Added further shape importers and added the option to reproject shapes during the import process.
flys-backend/trunk@4342 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 03 May 2012 14:19:52 +0000 |
| parents | |
| children | 59ca5dab2782 |
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| 2860:2f874d14ac68 | 2861:b0132e1b9719 |
|---|---|
| 1 import ogr | |
| 2 | |
| 3 from importer import Importer | |
| 4 | |
| 5 TABLE_NAME="hydr_boundaries" | |
| 6 TABLE_NAME_POLY="hydr_boundaries_poly" | |
| 7 PATH="Hydrologie/Hydr.Grenzen/Linien" | |
| 8 | |
| 9 | |
| 10 class HydrBoundary(Importer): | |
| 11 | |
| 12 def getPath(self, base): | |
| 13 return "%s/%s" % (base, PATH) | |
| 14 | |
| 15 | |
| 16 def getTablename(self): | |
| 17 return TABLE_NAME | |
| 18 | |
| 19 | |
| 20 def isGeometryValid(self, geomType): | |
| 21 return geomType == 2 | |
| 22 | |
| 23 | |
| 24 def isShapeRelevant(self, name, path): | |
| 25 return True | |
| 26 | |
| 27 | |
| 28 def getKind(self, path): | |
| 29 if path.find("BfG") > 0: | |
| 30 return 1 | |
| 31 else: | |
| 32 return 2 | |
| 33 | |
| 34 | |
| 35 def createNewFeature(self, featureDef, feat, **args): | |
| 36 kind = self.getKind(args['path']) | |
| 37 | |
| 38 newFeat = ogr.Feature(featureDef) | |
| 39 geometry = feat.GetGeometryRef() | |
| 40 geometry.SetCoordinateDimension(2) | |
| 41 | |
| 42 newFeat.SetGeometry(geometry) | |
| 43 newFeat.SetField("name", args['name']) | |
| 44 newFeat.SetField("kind", kind) | |
| 45 | |
| 46 if self.IsFieldSet(feat, "river_id"): | |
| 47 newFeat.SetField("river_id", feat.GetField("river_id")) | |
| 48 else: | |
| 49 newFeat.SetField("river_id", self.river_id) | |
| 50 | |
| 51 return newFeat | |
| 52 | |
| 53 | |
| 54 | |
| 55 class HydrBoundaryPoly(HydrBoundary): | |
| 56 | |
| 57 def getTablename(self): | |
| 58 return TABLE_NAME_POLY | |
| 59 | |
| 60 | |
| 61 def isGeometryValid(self, geomType): | |
| 62 return geomType == 3 or geomType == 6 | |
| 63 | |
| 64 | |
| 65 def createNewFeature(self, featureDef, feat, **args): | |
| 66 kind = self.getKind(args['path']) | |
| 67 | |
| 68 newFeat = ogr.Feature(featureDef) | |
| 69 geometry = feat.GetGeometryRef() | |
| 70 geometry.SetCoordinateDimension(2) | |
| 71 | |
| 72 newFeat.SetGeometry(geometry) | |
| 73 newFeat.SetField("name", args['name']) | |
| 74 newFeat.SetField("kind", kind) | |
| 75 | |
| 76 if self.IsFieldSet(feat, "river_id"): | |
| 77 newFeat.SetField("river_id", feat.GetField("river_id")) | |
| 78 else: | |
| 79 newFeat.SetField("river_id", self.river_id) | |
| 80 | |
| 81 return newFeat | |
| 82 |