Mercurial > dive4elements > river

annotate backend/contrib/shpimporter/jetties.py @ 7106:ed8623b989f3 generator-refactoring

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Minor cleanup / doc
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 24 Sep 2013 11:26:45 +0200
parents 5aa05a7a34b7
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rev   line source
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1 # -*- coding: utf-8 -*-
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2 import os
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3
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4 try:
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5 from osgeo import ogr
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6 except ImportError:
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7 import ogr
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8
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9 from importer import Importer
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10 import utils
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11
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12 import logging
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13 logger = logging.getLogger("Jetties")
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14
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15 PATH="Geodaesie/Bauwerke"
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16 NAME="Jetties"
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17
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18 # strings need to be lowercase
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19 # buhnenkopf 0
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20 # buhnenfuß 1
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21 # buhnenwurzel 2
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22 JETTY_KIND = {
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23 "bkl" : 0,
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24 "bkr" : 0,
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25 "bk" : 0,
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26 "bfl" : 1,
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27 "bfr" : 1,
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28 "bf" : 1,
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29 "bwl" : 2,
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30 "bwr" : 2,
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31 "bw" : 2,
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32 }
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33
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34 class Jetties(Importer):
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35 fieldmap = {
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36 "^station$" : "km",
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37 "^km$" : "km",
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38 "^wsv-km$" : "km",
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39 "^z$" : "z",
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40 "^H[oeö]{0,2}he$" : "z",
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41 "^m+NHN$" : "z",
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42 }
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43
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44 def getPath(self, base):
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45 return "%s/%s" % (base, PATH)
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46
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47 def getTablename(self):
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48 return "jetties"
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49
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50 def getName(self):
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51 return "JETTIES"
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52
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53 def isGeometryValid(self, geomType):
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54 return geomType == ogr.wkbPoint or geomType == ogr.wkbPoint25D
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55
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56 def isShapeRelevant(self, name, path):
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57 if not path.endswith("Buhnen.shp"):
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58 return False
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59 shp = ogr.Open(path)
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60 return self.isGeometryValid(shp.GetLayerByName(name).GetGeomType())
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61
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62 def createNewFeature(self, featureDef, feat, **args):
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63 newFeat = ogr.Feature(featureDef)
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64 geometry = feat.GetGeometryRef()
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65 geometry.SetCoordinateDimension(2)
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66
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67 self.copyFields(feat, newFeat, self.fieldmap)
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68
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69 newFeat.SetGeometry(geometry)
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70
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71 newFeat.SetField("river_id", self.river_id)
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72
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73 artname = self.searchField("^type$")
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74 if self.IsFieldSet(feat, artname):
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75 self.handled(artname)
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76 kind_id = JETTY_KIND.get(feat.GetField(artname).lower())
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77 if kind_id == None:
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78 logger.warn("Unknown Type: %s" % \
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79 feat.GetField(artname))
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80 else:
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81 newFeat.SetField("kind_id", kind_id)
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82
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83 return newFeat
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84
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