Mercurial > dive4elements > river
comparison flys-backend/contrib/shpimporter/crosssectiontracks.py @ 2853:bd9e76e0b55d
Improved the python shapefile importer.
flys-backend/trunk@4313 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 27 Apr 2012 06:39:12 +0000 |
| parents | |
| children | b0132e1b9719 |
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| 2852:875a87b8489f | 2853:bd9e76e0b55d |
|---|---|
| 1 import ogr | |
| 2 | |
| 3 from importer import Importer | |
| 4 | |
| 5 TABLE_NAME="cross_section_tracks" | |
| 6 PATH="Geodaesie/Querprofile" | |
| 7 | |
| 8 | |
| 9 class CrosssectionTrack(Importer): | |
| 10 | |
| 11 def getPath(self, base): | |
| 12 return "%s/%s" % (base, PATH) | |
| 13 | |
| 14 | |
| 15 def getTablename(self): | |
| 16 return TABLE_NAME | |
| 17 | |
| 18 | |
| 19 def isGeometryValid(self, geomType): | |
| 20 return geomType == 2 | |
| 21 | |
| 22 | |
| 23 def isShapeRelevant(self, name, path): | |
| 24 return True | |
| 25 | |
| 26 | |
| 27 def createNewFeature(self, featureDef, feat, **args): | |
| 28 newFeat = ogr.Feature(featureDef) | |
| 29 newFeat.SetGeometry(feat.GetGeometryRef()) | |
| 30 | |
| 31 if self.IsFieldSet(feat, "river_id"): | |
| 32 newFeat.SetField("river_id", feat.GetField("river_id")) | |
| 33 else: | |
| 34 newFeat.SetField("river_id", self.river_id) | |
| 35 | |
| 36 if self.IsFieldSet(feat, "KILOMETER"): | |
| 37 newFeat.SetField("km", feat.GetFieldAsDouble("KILOMETER")) | |
| 38 elif self.IsFieldSet(feat, "KM"): | |
| 39 newFeat.SetField("km", feat.GetFieldAsDouble("KM")) | |
| 40 else: | |
| 41 return None | |
| 42 | |
| 43 if self.IsFieldSet(feat, "ELEVATION"): | |
| 44 newFeat.SetField("z", feat.GetFieldAsDouble("ELEVATION")) | |
| 45 else: | |
| 46 newFeat.SetField("z", 0) | |
| 47 | |
| 48 return newFeat | |
| 49 |