view backend/contrib/shpimporter/gauges.py @ 6061:e9a76ffa0f9a

Use maxOverlap to get the correct gauge for the MainValues Previously just the first matching gauge was taken even if it's range ended with the minimum value. This code is clearly intended to get one gauge for one range so the best match should be taken.
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 22 May 2013 18:10:48 +0200
parents 5aa05a7a34b7
children
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try:
    from osgeo import ogr
except ImportError:
    import ogr

from importer import Importer

TABLE_NAME="gauge_location"
PATH="Hydrologie/Streckendaten"
NAME="Gauge locations"


class GaugeLocation(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 == 1


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


    def createNewFeature(self, featureDef, feat, **args):
        newFeat  = ogr.Feature(featureDef)
        geometry = feat.GetGeometryRef()
        geometry.SetCoordinateDimension(2)

        newFeat.SetGeometry(geometry)

        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, "Name"):
            newFeat.SetField("name", feat.GetField("name"))
        elif self.IsFieldSet(feat, "MPNAAM"):
            newFeat.SetField("name", feat.GetField("MPNAAM"))
        else:
            newFeat.SetField("name", args['name'])

        return newFeat

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