annotate flys-backend/contrib/shpimporter/jetties.py @ 5368:d3f170484455

MainValuesArtifact: Doc, cosmetics.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 22 Mar 2013 09:06:32 +0100
parents 776427b5aa76
children 5a42ca06b93e
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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 "bfl" : 1,
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26 "bfr" : 1,
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27 "bwl" : 2,
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28 "bwr" : 2,
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29 }
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30
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31 class Jetties(Importer):
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32 fieldmap = {
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33 "^station$" : "km",
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34 "^z$" : "z",
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35 }
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36
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37 def getPath(self, base):
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38 return "%s/%s" % (base, PATH)
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39
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40 def getTablename(self):
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41 return "jetties"
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42
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43 def getName(self):
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44 return "JETTIES"
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45
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46 def isGeometryValid(self, geomType):
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47 return geomType == ogr.wkbPoint or geomType == ogr.wkbPoint25D
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48
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49 def isShapeRelevant(self, name, path):
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50 if not path.endswith("Buhnen.shp"):
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51 return False
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52 shp = ogr.Open(path)
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53 return self.isGeometryValid(shp.GetLayerByName(name).GetGeomType())
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54
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55 def createNewFeature(self, featureDef, feat, **args):
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56 newFeat = ogr.Feature(featureDef)
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57 geometry = feat.GetGeometryRef()
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58 geometry.SetCoordinateDimension(2)
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59
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60 self.copyFields(feat, newFeat, self.fieldmap)
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61
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62 newFeat.SetGeometry(geometry)
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63
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64 artname = self.searchField("^type$")
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65 if self.IsFieldSet(feat, artname):
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66 self.handled(artname)
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67 kind_id = JETTY_KIND.get(feat.GetField(artname).lower())
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68 if kind_id == None:
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69 logger.warn("Unknown Type: %s" % \
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70 feat.GetField(artname))
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71 else:
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72 newFeat.SetField("kind_id", kind_id)
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73
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74 return newFeat
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75

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