Mercurial > dive4elements > river

annotate backend/contrib/shpimporter/floodmarks.py @ 8098:09725b65955a

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Add new and simplyfied SedimentLoadFacet The SedimentLoadFacet is intended to work with the Measurement stations. It uses the same mechanismn to access the Mesurement station values as the calculation does. SedimentLoadLS values need a different facet that will come soon.
author Andre Heinecke <andre.heinecke@intevation.de>
date Fri, 15 Aug 2014 18:27:19 +0200
parents 90ba3ae2ced1
children
rev   line source
5545
ed149d5d7fb7 Add floodmarks importer
Andre Heinecke <aheinecke@intevation.de>
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1 # -*- coding: utf-8 -*-
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2 try:
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3 from osgeo import ogr
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4 except ImportError:
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5 import ogr
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6
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7 from importer import Importer
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8 import logging
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9 import os
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10 import re
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11
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12 TABLE_NAME="flood_marks"
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13 PATH="Hydrologie/HW-Marken"
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14 NAME="Floodmarks"
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15
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16 logger = logging.getLogger(NAME)
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17
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18 class Floodmark(Importer):
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19 fieldmap = {
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20 "^station$" : "km",
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21 "^km$" : "km",
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Andre Heinecke <aheinecke@intevation.de>
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22 "^wsv-km$" : "km",
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Andre Heinecke <aheinecke@intevation.de>
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23 "^FlussKm$" : "km",
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Andre Heinecke <aheinecke@intevation.de>
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24 "^z$" : "z",
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25 "^z\d*" : "z", # z02, z1890, usw.
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26 "^m+NHN$" : "z",
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27 "^Ort$" : "location",
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28 "^Pegel$" : "location",
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29 }
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30
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31 def getPath(self, base):
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32 return "%s/%s" % (base, PATH)
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33
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34 def getTablename(self):
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35 return TABLE_NAME
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36
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37 def getName(self):
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38 return NAME
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39
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40 def isGeometryValid(self, geomType):
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41 return geomType == ogr.wkbPoint
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42
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43 def isShapeRelevant(self, name, path):
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44 return "hw-marken" in name.lower()
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45
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46 def createNewFeature(self, featureDef, feat, **args):
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47 newFeat = ogr.Feature(featureDef)
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48 geometry = feat.GetGeometryRef()
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49 geometry.SetCoordinateDimension(2)
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50 newFeat.SetGeometry(geometry)
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51
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52 self.copyFields(feat, newFeat, self.fieldmap)
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53
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54 newFeat.SetField("river_id", self.river_id)
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55
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56 filename = os.path.basename(args['path'])
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57
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58 # Try to extract the year from the filename
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59 match = re.search(r"([_\-])(\d\d\d\d)([_\-])", filename)
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60 if match:
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61 year = match.groups()[1]
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62 year = int(year)
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63 newFeat.SetField("year", year)
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64 else:
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65 logger.warn(u"Could not extract year from filename: %s " % filename)
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66
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67 return newFeat
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68
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