annotate backend/contrib/shpimporter/jetties.py @ 8722:a83d519155ab

(issue1754) Do not base smoothing radius on calculation range Using the calculation parameters for startkm and endkm in the case that the domain axis had the default extend caused weird behavior when zooming and led to too large radius values for most data that only had valid values on a subset of the caluclation range.
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 28 Apr 2015 14:22:47 +0200
parents 5aa05a7a34b7
children
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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