view backend/contrib/shpimporter/axis.py @ 8098:09725b65955a

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 f1aeb6a60380
children
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try:
    from osgeo import ogr
except ImportError:
    import ogr

from importer import Importer
import utils

NAME="Axis"
TABLE_NAME="river_axes"
PATH="Geodaesie/Flussachse+km"


class Axis(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 in [ogr.wkbLineString,
                            ogr.wkbLineString25D,
                            ogr.wkbMultiLineString25D,
                            ogr.wkbMultiLineString]

    def isShapeRelevant(self, name, path):
        return "km.shp" not in path.lower()


    def createNewFeature(self, featureDef, feat, **args):
        newFeat = ogr.Feature(featureDef)
        geometry = feat.GetGeometryRef()
        geometry.SetCoordinateDimension(2)
        newFeat.SetGeometry(geometry)
        newFeat.SetField("name", args['name'])

        if self.IsFieldSet(feat, "river_id"):
            riverId = feat.GetField("river_id")
        else:
            riverId = self.river_id

        newFeat.SetField("river_id", riverId)
        if args.get("name", "").lower() == "achse":
            newFeat.SetField("kind_id", 1) # 1 is Current
        else:
            newFeat.SetField("kind_id", 2) # 2 Is Other

        return utils.convertToMultiLine(newFeat)

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