diff --git a/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testRasterFunctions.R b/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testRasterFunctions.R
index 538062b9c..13e78ac24 100644
--- a/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testRasterFunctions.R
+++ b/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testRasterFunctions.R
@@ -8,7 +8,7 @@ generate_singleband_raster_df <- function() {
 
 test_that("mosaic can read single-band GeoTiff", {
   sdf <- generate_singleband_raster_df()
-  
+
   row <- first(sdf)
   expect_equal(row$length, 1067862L)
   expect_equal(row$x_size, 2400)
@@ -158,14 +158,16 @@ sdf <- createDataFrame(
 
 sdf <- agg(groupBy(sdf), masspoints = collect_list(column("wkt")))
 sdf <- withColumn(sdf, "breaklines", expr("array('LINESTRING EMPTY')"))
+sdf <- withColumn(sdf, "splitPointFinder", lit("NONENCROACHING"))
 sdf <- withColumn(sdf, "origin", st_geomfromwkt(lit("POINT (0.6 1.8)")))
 sdf <- withColumn(sdf, "xWidth", lit(12L))
 sdf <- withColumn(sdf, "yWidth", lit(6L))
 sdf <- withColumn(sdf, "xSize", lit(0.1))
 sdf <- withColumn(sdf, "ySize", lit(0.1))
+sdf <- withColumn(sdf, "noData", lit(-9999.0))
 sdf <- withColumn(sdf, "tile", rst_dtmfromgeoms(
-column("masspoints"), column("breaklines"), lit(0.0), lit(0.01),
-column("origin"), column("xWidth"), column("yWidth"), column("xSize"), column("ySize"))
-)
+column("masspoints"), column("breaklines"), lit(0.0), lit(0.01), column("splitPointFinder"),
+column("origin"), column("xWidth"), column("yWidth"), column("xSize"), column("ySize"), column("noData")
+))
 expect_equal(SparkR::count(sdf), 1)
 })
\ No newline at end of file
diff --git a/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testVectorFunctions.R b/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testVectorFunctions.R
index 4294e1a15..07744b2bf 100644
--- a/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testVectorFunctions.R
+++ b/R/sparkR-mosaic/sparkrMosaic/tests/testthat/testVectorFunctions.R
@@ -109,14 +109,14 @@ sdf <- createDataFrame(
 
 sdf <- agg(groupBy(sdf), masspoints = collect_list(column("wkt")))
 sdf <- withColumn(sdf, "breaklines", expr("array('LINESTRING EMPTY')"))
-triangulation_sdf <- withColumn(sdf, "triangles", st_triangulate(column("masspoints"), column("breaklines"), lit(0.0), lit(0.01)))
+triangulation_sdf <- withColumn(sdf, "triangles", st_triangulate(column("masspoints"), column("breaklines"), lit(0.0), lit(0.01), lit("NONENCROACHING")))
 cache(triangulation_sdf)
 expect_equal(SparkR::count(triangulation_sdf), 2)
 expected <- c("POLYGON Z((0 2 2, 2 1 0, 1 3 3, 0 2 2))", "POLYGON Z((1 3 3, 2 1 0, 3 2 1, 1 3 3))")
 expect_contains(expected, first(triangulation_sdf)$triangles)
 
 interpolation_sdf <- sdf
-interpolation_sdf <- withColumn(interpolation_sdf, "origin", st_geomfromwkt(lit("POINT (0.6 1.8)")))
+interpolation_sdf <- withColumn(interpolation_sdf, "origin", st_geomfromwkt(lit("POINT (0.55 1.75)")))
 interpolation_sdf <- withColumn(interpolation_sdf, "xWidth", lit(12L))
 interpolation_sdf <- withColumn(interpolation_sdf, "yWidth", lit(6L))
 interpolation_sdf <- withColumn(interpolation_sdf, "xSize", lit(0.1))
@@ -124,8 +124,9 @@ interpolation_sdf <- withColumn(interpolation_sdf, "ySize", lit(0.1))
 interpolation_sdf <- withColumn(interpolation_sdf, "interpolated", st_interpolateelevation(
   column("masspoints"),
   column("breaklines"),
-  lit(0.0),
   lit(0.01),
+  lit(0.01),
+  lit("NONENCROACHING"),
   column("origin"),
   column("xWidth"),
   column("yWidth"),
@@ -134,5 +135,5 @@ interpolation_sdf <- withColumn(interpolation_sdf, "interpolated", st_interpolat
 ))
 cache(interpolation_sdf)
 expect_equal(SparkR::count(interpolation_sdf), 6 * 12)
-expect_contains(collect(interpolation_sdf)$interpolated, "POINT Z(0.6 2 1.8)")
+expect_contains(collect(interpolation_sdf)$interpolated, "POINT Z(1.6 1.8 1.2)")
 })
diff --git a/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testRasterFunctions.R b/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testRasterFunctions.R
index ddbcce8c8..d67888725 100644
--- a/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testRasterFunctions.R
+++ b/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testRasterFunctions.R
@@ -209,11 +209,13 @@ test_that ("a terrain model can be produced from point geometries", {
         breaklines,
         as.double(0.0),
         as.double(0.01),
+        "NONENCROACHING",
         origin,
         xWidth,
         yWidth,
         xSize,
-        ySize
+        ySize,
+        as.double(-9999.0)
       )
     )
   expect_equal(sdf_nrow(sdf), 1)
diff --git a/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testVectorFunctions.R b/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testVectorFunctions.R
index a177b37bf..c8baaf572 100644
--- a/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testVectorFunctions.R
+++ b/R/sparklyr-mosaic/sparklyrMosaic/tests/testthat/testVectorFunctions.R
@@ -134,7 +134,7 @@ test_that ("triangulation and interpolation functions behave as intended", {
     mutate(breaklines = array("LINESTRING EMPTY"))
 
   triangulation_sdf <- sdf %>%
-    mutate(triangles = st_triangulate(masspoints, breaklines, as.double(0.00), as.double(0.01)))
+    mutate(triangles = st_triangulate(masspoints, breaklines, as.double(0.00), as.double(0.01), "NONENCROACHING"))
 
   expect_equal(sdf_nrow(triangulation_sdf), 2)
 
@@ -144,7 +144,7 @@ test_that ("triangulation and interpolation functions behave as intended", {
 
   interpolation_sdf <- sdf %>%
     mutate(
-      origin = st_geomfromwkt("POINT (0.6 1.8)"),
+      origin = st_geomfromwkt("POINT (0.55 1.75)"),
       xWidth = 12L,
       yWidth = 6L,
       xSize = as.double(0.1),
@@ -152,8 +152,9 @@ test_that ("triangulation and interpolation functions behave as intended", {
       interpolated = st_interpolateelevation(
         masspoints,
         breaklines,
-        as.double(0.0),
         as.double(0.01),
+        as.double(0.01),
+        "NONENCROACHING",
         origin,
         xWidth,
         yWidth,
@@ -163,5 +164,5 @@ test_that ("triangulation and interpolation functions behave as intended", {
     )
   expect_equal(sdf_nrow(interpolation_sdf), 6 * 12)
   expect_contains(sdf_collect(interpolation_sdf)$interpolated,
-                  "POINT Z(0.6 2 1.8)")
+                  "POINT Z(1.6 1.8 1.2)")
 })
diff --git a/src/main/scala/com/databricks/labs/mosaic/functions/MosaicContext.scala b/src/main/scala/com/databricks/labs/mosaic/functions/MosaicContext.scala
index 6bb4480c6..b909bdde0 100644
--- a/src/main/scala/com/databricks/labs/mosaic/functions/MosaicContext.scala
+++ b/src/main/scala/com/databricks/labs/mosaic/functions/MosaicContext.scala
@@ -626,8 +626,6 @@ class MosaicContext(indexSystem: IndexSystem, geometryAPI: GeometryAPI) extends
             ColumnAdapter(ST_HasValidCoordinates(geom.expr, crsCode.expr, which.expr, expressionConfig))
         def st_interpolateelevation(pointsArray: Column, linesArray: Column, mergetol: Column, snaptol: Column, splitPointFinder: Column, origin: Column, xWidth: Column, yWidth: Column, xSize: Column, ySize: Column): Column =
             ColumnAdapter(geometry.ST_InterpolateElevation(pointsArray.expr, linesArray.expr, mergetol.expr, snaptol.expr, splitPointFinder.expr, origin.expr, xWidth.expr, yWidth.expr, xSize.expr, ySize.expr, expressionConfig))
-        def st_interpolateelevation(pointsArray: Column, linesArray: Column, mergetol: Column, snaptol: Column, origin: Column, xWidth: Column, yWidth: Column, xSize: Column, ySize: Column): Column =
-            ColumnAdapter(geometry.ST_InterpolateElevation(pointsArray.expr, linesArray.expr, mergetol.expr, snaptol.expr, lit("NONENCROACHING").expr, origin.expr, xWidth.expr, yWidth.expr, xSize.expr, ySize.expr, expressionConfig))
         def st_intersection(left: Column, right: Column): Column = ColumnAdapter(ST_Intersection(left.expr, right.expr, expressionConfig))
         def st_isvalid(geom: Column): Column = ColumnAdapter(ST_IsValid(geom.expr, expressionConfig))
         def st_length(geom: Column): Column = ColumnAdapter(ST_Length(geom.expr, expressionConfig))
@@ -651,8 +649,6 @@ class MosaicContext(indexSystem: IndexSystem, geometryAPI: GeometryAPI) extends
             ColumnAdapter(ST_Translate(geom1.expr, xd.expr, yd.expr, expressionConfig))
         def st_triangulate(pointsArray: Column, linesArray: Column, mergeTol: Column, snapTol: Column, splitPointFinder: Column): Column =
             ColumnAdapter(ST_Triangulate(pointsArray.expr, linesArray.expr, mergeTol.expr, snapTol.expr, splitPointFinder.expr, expressionConfig))
-        def st_triangulate(pointsArray: Column, linesArray: Column, mergeTol: Column, snapTol: Column): Column =
-            ColumnAdapter(ST_Triangulate(pointsArray.expr, linesArray.expr, mergeTol.expr, snapTol.expr, lit("NONENCROACHING").expr, expressionConfig))
         def st_x(geom: Column): Column = ColumnAdapter(ST_X(geom.expr, expressionConfig))
         def st_y(geom: Column): Column = ColumnAdapter(ST_Y(geom.expr, expressionConfig))
         def st_z(geom: Column): Column = ColumnAdapter(ST_Z(geom.expr, expressionConfig))
@@ -710,8 +706,6 @@ class MosaicContext(indexSystem: IndexSystem, geometryAPI: GeometryAPI) extends
         def rst_convolve(raster: Column, kernel: Column): Column = ColumnAdapter(RST_Convolve(raster.expr, kernel.expr, expressionConfig))
         def rst_dtmfromgeoms(pointsArray: Column, linesArray: Column, mergeTol: Column, snapTol: Column, splitPointFinder: Column, origin: Column, xWidth: Column, yWidth: Column, xSize: Column, ySize: Column, noData: Column): Column =
             ColumnAdapter(RST_DTMFromGeoms(pointsArray.expr, linesArray.expr, mergeTol.expr, snapTol.expr, splitPointFinder.expr, origin.expr, xWidth.expr, yWidth.expr, xSize.expr, ySize.expr, noData.expr, expressionConfig))
-        def rst_dtmfromgeoms(pointsArray: Column, linesArray: Column, mergeTol: Column, snapTol: Column, origin: Column, xWidth: Column, yWidth: Column, xSize: Column, ySize: Column, noData: Column): Column =
-            ColumnAdapter(RST_DTMFromGeoms(pointsArray.expr, linesArray.expr, mergeTol.expr, snapTol.expr, lit("NONENCROACHING").expr, origin.expr, xWidth.expr, yWidth.expr, xSize.expr, ySize.expr, noData.expr, expressionConfig))
         def rst_pixelcount(raster: Column): Column = ColumnAdapter(RST_PixelCount(raster.expr, lit(false).expr, lit(false).expr, expressionConfig))
         def rst_pixelcount(raster: Column, countNoData: Column): Column = ColumnAdapter(RST_PixelCount(raster.expr, countNoData.expr, lit(false).expr, expressionConfig))
         def rst_pixelcount(raster: Column, countNoData: Column, countAll: Column): Column = ColumnAdapter(RST_PixelCount(raster.expr, countNoData.expr, countAll.expr, expressionConfig))
diff --git a/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_InterpolateElevationBehaviours.scala b/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_InterpolateElevationBehaviours.scala
index 42c719a31..e57f0f435 100644
--- a/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_InterpolateElevationBehaviours.scala
+++ b/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_InterpolateElevationBehaviours.scala
@@ -2,6 +2,7 @@ package com.databricks.labs.mosaic.expressions.geometry
 
 import com.databricks.labs.mosaic.core.geometry.api.GeometryAPI
 import com.databricks.labs.mosaic.core.index.IndexSystem
+import com.databricks.labs.mosaic.core.types.model.TriangulationSplitPointTypeEnum
 import com.databricks.labs.mosaic.functions.MosaicContext
 import com.databricks.labs.mosaic.functions.MosaicRegistryBehaviors.mosaicContext
 import org.apache.spark.sql.functions._
@@ -22,6 +23,7 @@ trait ST_InterpolateElevationBehaviours extends QueryTest {
     val ySize = -1.0
     val mergeTolerance = 0.0
     val snapTolerance = 0.01
+    val splitPointFinder = TriangulationSplitPointTypeEnum.NONENCROACHING
     val origin = "POINT(348000 462000)"
 
     def simpleInterpolationBehavior(indexSystem: IndexSystem, geometryAPI: GeometryAPI): Unit = {
@@ -45,18 +47,22 @@ trait ST_InterpolateElevationBehaviours extends QueryTest {
             .withColumn("breaklines", array().cast(ArrayType(StringType)))
             .withColumn("mergeTolerance", lit(mergeTolerance))
             .withColumn("snapTolerance", lit(snapTolerance))
+            .withColumn("splitPointFinder", lit(splitPointFinder.toString))
             .withColumn("origin", st_geomfromwkt(lit(origin)))
             .withColumn("grid_size_x", lit(xWidth))
             .withColumn("grid_size_y", lit(yWidth))
             .withColumn("pixel_size_x", lit(xSize))
             .withColumn("pixel_size_y", lit(ySize))
             .withColumn("elevation", st_interpolateelevation(
-                $"masspoints", $"breaklines", $"mergeTolerance", $"snapTolerance",
+                $"masspoints", $"breaklines",
+                $"mergeTolerance", $"snapTolerance", $"splitPointFinder",
                 $"origin", $"grid_size_x", $"grid_size_y",
                 $"pixel_size_x", $"pixel_size_y"))
             .drop(
-                $"masspoints", $"breaklines", $"mergeTolerance", $"snapTolerance", $"origin",
-                $"grid_size_x", $"grid_size_y", $"pixel_size_x", $"pixel_size_y"
+                $"masspoints", $"breaklines",
+                $"mergeTolerance", $"snapTolerance", $"splitPointFinder",
+                $"origin", $"grid_size_x", $"grid_size_y",
+                $"pixel_size_x", $"pixel_size_y"
             )
         noException should be thrownBy result.collect()
         result.count() shouldBe 1000000L
@@ -93,19 +99,23 @@ trait ST_InterpolateElevationBehaviours extends QueryTest {
             .crossJoin(linesDf)
             .withColumn("mergeTolerance", lit(mergeTolerance))
             .withColumn("snapTolerance", lit(snapTolerance))
+            .withColumn("splitPointFinder", lit(splitPointFinder.toString))
             .withColumn("origin", st_geomfromwkt(lit(origin)))
             .withColumn("grid_size_x", lit(xWidth))
             .withColumn("grid_size_y", lit(yWidth))
             .withColumn("pixel_size_x", lit(xSize))
             .withColumn("pixel_size_y", lit(ySize))
             .withColumn("interpolated_grid_point", st_interpolateelevation(
-                $"masspoints", $"breaklines",$"mergeTolerance", $"snapTolerance",
+                $"masspoints", $"breaklines",
+                $"mergeTolerance", $"snapTolerance", $"splitPointFinder",
                 $"origin", $"grid_size_x", $"grid_size_y",
                 $"pixel_size_x", $"pixel_size_y"))
             .withColumn("elevation", st_z($"interpolated_grid_point"))
             .drop(
-                $"masspoints", $"breaklines", $"mergeTolerance", $"snapTolerance", $"origin",
-                $"grid_size_x", $"grid_size_y", $"pixel_size_x", $"pixel_size_y"
+                $"masspoints", $"breaklines",
+                $"mergeTolerance", $"snapTolerance", $"splitPointFinder",
+                $"origin", $"grid_size_x", $"grid_size_y",
+                $"pixel_size_x", $"pixel_size_y"
             )
             .cache()
         noException should be thrownBy result.collect()
diff --git a/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_TriangulateBehaviours.scala b/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_TriangulateBehaviours.scala
index 32547ecda..dc3679c7d 100644
--- a/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_TriangulateBehaviours.scala
+++ b/src/test/scala/com/databricks/labs/mosaic/expressions/geometry/ST_TriangulateBehaviours.scala
@@ -2,6 +2,7 @@ package com.databricks.labs.mosaic.expressions.geometry
 
 import com.databricks.labs.mosaic.core.geometry.api.GeometryAPI
 import com.databricks.labs.mosaic.core.index.IndexSystem
+import com.databricks.labs.mosaic.core.types.model.TriangulationSplitPointTypeEnum
 import com.databricks.labs.mosaic.functions.MosaicContext
 import org.apache.spark.sql.QueryTest
 import org.apache.spark.sql.functions._
@@ -18,6 +19,7 @@ trait ST_TriangulateBehaviours extends QueryTest {
     val buffer = 50.0
     val mergeTolerance = 1e-2
     val snapTolerance = 0.01
+    val splitPointFinder = TriangulationSplitPointTypeEnum.NONENCROACHING
 
     def simpleTriangulateBehavior(indexSystem: IndexSystem, geometryAPI: GeometryAPI): Unit = {
 
@@ -38,7 +40,7 @@ trait ST_TriangulateBehaviours extends QueryTest {
             .groupBy()
             .agg(collect_list($"geom_0").as("masspoints"))
             .withColumn("breaklines", array().cast(ArrayType(StringType)))
-            .withColumn("mesh", st_triangulate($"masspoints", $"breaklines", lit(mergeTolerance), lit(snapTolerance)))
+            .withColumn("mesh", st_triangulate($"masspoints", $"breaklines", lit(mergeTolerance), lit(snapTolerance), lit(splitPointFinder.toString)))
             .drop($"masspoints")
         noException should be thrownBy result.collect()
         result.count() shouldBe 4453
@@ -76,7 +78,7 @@ trait ST_TriangulateBehaviours extends QueryTest {
             .groupBy()
             .agg(collect_list($"geom_0").as("masspoints"))
             .crossJoin(linesDf)
-            .withColumn("mesh", st_triangulate($"masspoints", $"breaklines", lit(mergeTolerance), lit(snapTolerance)))
+            .withColumn("mesh", st_triangulate($"masspoints", $"breaklines", lit(mergeTolerance), lit(snapTolerance), lit(splitPointFinder.toString)))
             .drop($"masspoints", $"breaklines")
 
         noException should be thrownBy result.collect()