Update Python bindings and test

Signed-off-by: Jason T. Brown <jason@astraea.earth>

Author: vpipkt

pyrasterframes/src/main/python/tests/RasterFunctionsTests.py

@@ -136,8 +136,8 @@ def test_aggregations(self):
     def test_agg_approx_quantiles(self):
         agg = self.rf.agg(rf_agg_approx_quantiles('tile', [0.1, 0.5, 0.9, 0.98]))
         result = agg.first()[0]
-        # expected result from computing in external python process
-        assert_allclose(result, np.array([7412., 7638., 7671., 7675.]))
+        # expected result from computing in external python process; c.f. scala tests
+        assert_allclose(result, np.array([7963., 10068., 12160., 14366.]))
 
     def test_sql(self):
 

pyrasterframes/src/main/scala/org/locationtech/rasterframes/py/PyRFContext.scala

@@ -191,6 +191,13 @@ class PyRFContext(implicit sparkSession: SparkSession) extends RasterFunctions
 
   def rf_local_unequal_int(col: Column, scalar: Int): Column = rf_local_unequal[Int](col, scalar)
 
+  // other function support
+  /** py4j friendly version of this function */
+  def rf_agg_approx_quantiles(tile: Column, probabilities: java.util.List[Double], relativeError: Double): TypedColumn[Any, Seq[Double]] = {
+    import scala.collection.JavaConverters._
+    rf_agg_approx_quantiles(tile, probabilities.asScala, relativeError)
+  }
+
   def _make_crs_literal(crsText: String): Column = {
     rasterframes.encoders.serialized_literal[CRS](LazyCRS(crsText))
   }