view backend/contrib/shpimporter/crosssectiontracks.py @ 5890:6ea004d51203

Datacage: Introduced <dc:group epxr="xpath" type="type"> ... </dc:group> and XPath function dc:group-key(). This splits the current result set into groups formed by expr. The type defaults to string. Afterwards all these groups are iterated by there natural order. The dc:group-key() gives access to the result of the grouping expression that forms a group. Say, you have a result set like this: name | description -----+------------ a | foo a | bar b | baz b | bla c | blub you can use: <dc:group expr="$name"> <group name="{dc:group-key()}"> <dc:for-each> <description value="{$description}"/> </dc:for-each> </group> </dc:group> to create: <group name="a"> <description name="foo"/> <description name="bar"/> </group> <group name="b"> <description name="baz"/> <description name="bla"/> </group> <group name="c"> <description name="blub"/> </group>
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 02 May 2013 20:52:18 +0200
parents 5aa05a7a34b7
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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