view flys-backend/contrib/shpimporter/crosssectiontracks.py @ 5645:696d710470f5

flys/issue1077: Show loads as step line, therefore transform data in SedimentLoadFacet to stretch as in the measurement stations bounds. Deal with this new kind of data in the Generator.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 10 Apr 2013 09:35:07 +0200
parents 88e3473a3846
children
line wrap: on
line source
try:
    from osgeo import ogr
except ImportError:
    import ogr

from importer import Importer

TABLE_NAME="cross_section_tracks"
PATH="Geodaesie/Querprofile"
NAME="Crosssections"


class CrosssectionTrack(Importer):

    def getPath(self, base):
        return "%s/%s" % (base, PATH)


    def getTablename(self):
        return TABLE_NAME


    def getName(self):
        return NAME


    def isGeometryValid(self, geomType):
        return geomType == 2


    def isShapeRelevant(self, name, path):
        return True


    def createNewFeature(self, featureDef, feat, **args):
        newFeat = ogr.Feature(featureDef)
        newFeat.SetGeometry(feat.GetGeometryRef())
        newFeat.SetField("name", args['name'])

        if args['path'].lower().endswith("/qps.shp") and \
                not "sonstige" in args['path'].lower():
            newFeat.SetField("kind_id", 1) # offical
        else:
            newFeat.SetField("kind_id", 0) # misc

        if self.IsFieldSet(feat, "river_id"):
            newFeat.SetField("river_id", feat.GetField("river_id"))
        else:
            newFeat.SetField("river_id", self.river_id)

        if self.IsFieldSet(feat, "KILOMETER"):
            newFeat.SetField("km", feat.GetFieldAsDouble("KILOMETER"))
        elif self.IsFieldSet(feat, "KM"):
            newFeat.SetField("km", feat.GetFieldAsDouble("KM"))
        elif self.IsFieldSet(feat, "STATION"):
            newFeat.SetField("km", feat.GetFieldAsDouble("STATION"))
        else:
            return None

        if self.IsFieldSet(feat, "ELEVATION"):
            newFeat.SetField("z", feat.GetFieldAsDouble("ELEVATION"))
        else:
            newFeat.SetField("z", 0)

        return newFeat

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