コード例 #1
0
ファイル: link_loader.py プロジェクト: ion599/phi
    def _read_geos(self):
        '''
        Reads the geometries from the shapefile and dumps them into a string
        :returns:the id and geometries of the links in a string
        '''

        irecord = self.shapefile_reader.iterRecords()
        ishapes = self.shapefile_reader.iterShapes()

        # read entries into a dictionary which has ids mapped to geometries
        id_to_geometry = list()

        for i in range(self.shapefile_reader.numRecords):
            record = irecord.next()
            shape = ishapes.next()

            points = [tuple(x) for x in shape.points]

            id = int(record[0])
            orig_id = int(record[7])
            line = LineString(points)
            line.set_srid(config.EPSG32611)

            defaultprojection = line.clone()
            defaultprojection.transform(config.canonical_projection)

            googleprojection = line.clone()
            googleprojection.transform(config.google_projection)

            id_to_geometry.append('\t'.join([str(i), str(id), defaultprojection.ewkt, googleprojection.ewkt, line.ewkt, str(orig_id)]))

        return '\n'.join(id_to_geometry)
コード例 #2
0
ファイル: link_loader.py プロジェクト: megacell/phi
    def _read_geos(self):
        '''
        Reads the geometries from the shapefile and dumps them into a string
        :returns:the id and geometries of the links in a string
        '''

        irecord = self.shapefile_reader.iterRecords()
        ishapes = self.shapefile_reader.iterShapes()

        # read entries into a dictionary which has ids mapped to geometries
        id_to_geometry = list()

        for i in range(self.shapefile_reader.numRecords):
            record = irecord.next()
            shape = ishapes.next()

            points = [tuple(x) for x in shape.points]

            id = int(record[0])
            orig_id = int(record[7])
            line = LineString(points)
            line.set_srid(config.EPSG32611)

            defaultprojection = line.clone()
            defaultprojection.transform(config.canonical_projection)

            googleprojection = line.clone()
            googleprojection.transform(config.google_projection)

            id_to_geometry.append('\t'.join([
                str(i),
                str(id), defaultprojection.ewkt, googleprojection.ewkt,
                line.ewkt,
                str(orig_id)
            ]))

        return '\n'.join(id_to_geometry)