Mercurial > dive4elements > river

annotate backend/contrib/shpimporter/floodmarks.py @ 7691:fa4fbd66e752

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(issue1579) Fix axes syncronisation at Gauges The SyncNumberAxis was completely broken. It only synced in one direction and even that did not work correctly when data was added to the axis (and the syncAxis rescaled but forgot the old axis) then there were lots of ways to bypass that scaling. And i also think the trans calculation was wrong. It has been replaced by a "mostly" simple method to just keep the W in M and W in CM+Datum axes in sync. I say "Mostly" because it had to deal with the Bounds interface.
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 13 Dec 2013 19:03:00 +0100
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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22 "^wsv-km$" : "km",
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23 "^FlussKm$" : "km",
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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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