Example #1
0
    def test_to_rdd_from_dataframe(self):
        spatial_df = self._create_spatial_point_table()

        spatial_df.show()

        jsrdd = Adapter.toRdd(spatial_df)

        spatial_rdd = SpatialRDD(self.sc)
        spatial_rdd.rawJvmSpatialRDD = jsrdd
        spatial_rdd.analyze()

        assert spatial_rdd.approximateTotalCount == 121960
        assert spatial_rdd.boundaryEnvelope == Envelope(-179.147236, 179.475569, -14.548699, 71.35513400000001)
Example #2
0
    def test_read_csv_point_into_spatial_rdd_with_unique_id_by_passing_coordinates(self):
        df = self.spark.read.format("csv").\
            option("delimiter", ",").\
            option("header", "false").\
            load(area_lm_point_input_location)

        df.show()
        df.createOrReplaceTempView("inputtable")

        spatial_df = self.spark.sql(
            "select ST_Point(cast(inputtable._c0 as Decimal(24,20)),cast(inputtable._c1 as Decimal(24,20))) as arealandmark from inputtable")

        spatial_df.show()
        spatial_df.printSchema()

        spatial_rdd = SpatialRDD(self.spark.sparkContext)
        spatial_rdd.rawJvmSpatialRDD = Adapter.toRdd(spatial_df)
        spatial_rdd.analyze()
        assert (Adapter.toDf(spatial_rdd, self.spark).columns.__len__() == 1)
        Adapter.toDf(spatial_rdd, self.spark).show()