Mercurial > dive4elements > river
view backend/contrib/shpimporter/hws.py @ 7076:7f600001c807 generator-refactoring
Add LTR inversion code to diagram generator.
This code is used in serveral diagrams and as it modifies a
whole diagram it should be central. (This should also make
maintenance easier). This function can be called by processors
to make sure that their data is plotted with an LTR waterflow.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Fri, 20 Sep 2013 16:33:22 +0200 |
parents | 5aa05a7a34b7 |
children | aef987124822 |
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# -*- coding: utf-8 -*- import os try: from osgeo import ogr except ImportError: import ogr from importer import Importer import utils import logging logger = logging.getLogger("HWS") PATH="Hydrologie/HW-Schutzanlagen" NAME="HWS" # Keep in sync with hws_kinds table: # strings need to be lowercase HWS_KIND = { "durchlass" : 1, "damm" : 2, "deich" : 2, "hochufer" : 2, "graben" : 3, "rohr1" : 1, "rohr 1" : 1, "rohr 2" : 1, "hauptdeich" : 2, "sommerdeich" : 2 } # Keep in sync with fed_states table: # strings need to be lowercase FED_STATES = { "bayern" : 1, "hessen" : 2, "niedersachsen" : 3, "nordrhein-westfalen" : 4, "nordrhein westfalen" : 4, "rheinland-pfalz" : 5, "rheinland pfalz" : 5, "saarland" : 6, "schleswig-holstein" : 7, "schleswig holstein" : 7, "brandenburg" : 8, "mecklenburg-vorpommern" : 9, "mecklenburg vorpommern" : 9, "thüringen" : 10, "baden-württemberg" : 11, "baden württemberg" : 11, "sachsen-anhalt" : 12, "sachsen anhalt" : 12, "sachsen" : 13, "berlin" : 14, "bremen" : 15, "hamburg" : 16, } class HWSPoints(Importer): fieldmap = { "name$" : "name", "quelle$" : "source", "anmerkung$" : "description", "stand$" : "status_date", "verband$" : "agency", "Deich_{0,1}KM$" : "dike_km", "Bereich$" : "range", "H[oeö]{0,2}he_{0,1}SOLL$" : "z_target", "(WSP_){0,1}BfG_{0,1}100$" : "rated_level", "H[oeö]{0,2}he_{0,1}IST$" : "z", } printedforpath=[] def getPath(self, base): return "%s/%s" % (base, PATH) def getTablename(self): return "hws_points" def getName(self): return "HWS_POINTS" def isGeometryValid(self, geomType): return geomType == ogr.wkbPoint or geomType == ogr.wkbPoint25D def isShapeRelevant(self, name, path): shp = ogr.Open(path) return self.isGeometryValid(shp.GetLayerByName(name).GetGeomType()) def getFedStateIDfromPath(self, path): """ Tries to get extract a bundesland from the path """ for state in sorted(FED_STATES.keys(), key = len, reverse = True): if state in path.lower(): if not path in self.printedforpath: logger.info("Extracted federal state from path: %s" % state) self.printedforpath.append(path) return FED_STATES[state] def createNewFeature(self, featureDef, feat, **args): newFeat = ogr.Feature(featureDef) geometry = feat.GetGeometryRef() geometry.SetCoordinateDimension(2) self.copyFields(feat, newFeat, self.fieldmap) newFeat.SetGeometry(geometry) artname = self.searchField("art$") if self.IsFieldSet(feat, artname): self.handled(artname) kind_id = HWS_KIND.get(feat.GetField(artname).lower()) if not kind_id: logger.warn("Unknown Art: %s" % \ feat.GetField(artname)) newFeat.SetField("kind_id", 2) else: newFeat.SetField("kind_id", kind_id) else: newFeat.SetField("kind_id", 2) fname = self.searchField("Bundesland$") if self.IsFieldSet(feat, fname): self.handled(fname) fed_id = FED_STATES.get(feat.GetField(fname).lower()) if not fed_id: logger.warn("Unknown Bundesland: %s" % \ feat.GetField(fname)) else: newFeat.SetField("fed_state_id", fed_id) else: # Try to get the bundesland from path fed_id = self.getFedStateIDfromPath(args['path']) if fed_id: newFeat.SetField("fed_state_id", fed_id) fname = self.searchField("(ufer$)|(flussseite$)") if self.IsFieldSet(feat, fname): self.handled(fname) shoreString = feat.GetField(fname) if "links" in shoreString.lower(): newFeat.SetField("shore_side", True) elif "rechts" in shoreString.lower(): newFeat.SetField("shore_side", False) fname = self.searchField("river_{0,1}id$") if self.IsFieldSet(feat, fname): self.handled(fname) if feat.GetField(fname) != self.river_id: logger.warn("River_id mismatch between shapefile and" " importer parameter.") newFeat.SetField("river_id", feat.GetField(fname)) else: newFeat.SetField("river_id", self.river_id) fname = self.searchField("name$") if not self.IsFieldSet(feat, fname): newFeat.SetField("name", args['name']) fname = self.searchField("offiziell$") if self.IsFieldSet(feat, fname): self.handled(fname) offiziell = feat.GetField(fname) if offiziell == "1" or offiziell == 1: newFeat.SetField("official", True) # Set the official value based on the file name as a fallback elif args.get("name", "").lower() == "rohre_und_sperren" or \ args.get("name", "").lower() == "rohre-und-sperren": newFeat.SetField("official", True) else: newFeat.SetField("official", False) if self.IsFieldSet(newFeat, "z") and \ self.IsFieldSet(newFeat, "rated_level"): fname = self.searchField("freibord(_m){0,1}$") self.handled(fname) z = newFeat.GetFieldAsDouble("z") rl = newFeat.GetFieldAsDouble("rated_level") newFeat.SetField("freeboard", z - rl) return newFeat class HWSLines(HWSPoints): # TODO: GEOM_target, GEOM_rated_level, dike_km_from, dike_km_to fieldmap = { "name$" : "name", "quelle$" : "source", "anmerkung$" : "description", "stand$" : "status_date", "verband$" : "agency", "Bereich$" : "range", } def getPath(self, base): return "%s/%s" % (base, PATH) def getTablename(self): return "hws_lines" def getName(self): return "HWS_LINES" def isGeometryValid(self, geomType): return geomType in [ogr.wkbLineString, ogr.wkbLineString25D, ogr.wkbMultiLineString25D, ogr.wkbMultiLineString] def isShapeRelevant(self, name, path): shp = ogr.Open(path) return self.isGeometryValid(shp.GetLayerByName(name).GetGeomType()) def createNewFeature(self, featureDef, feat, **args): newFeat = HWSPoints.createNewFeature(self, featureDef, feat, **args) geometry = feat.GetGeometryRef() if geometry.GetCoordinateDimension() == 2: geometry.SetCoordinateDimension(3) for i in range(0, geometry.GetPointCount()): x,y,z = geometry.GetPoint(i) z = 9999 geometry.SetPoint(i, x, y, z) newFeat.SetGeometry(geometry) return utils.convertToMultiLine(newFeat)