From 38441a47cffdcd8d0092ec01b8dd0031015d02c9 Mon Sep 17 00:00:00 2001
From: reinieroost <32200550+reinieroost@users.noreply.github.com>
Date: Fri, 22 Sep 2017 16:47:52 +0200
Subject: [PATCH] Add a flag to allow for Geoid-height on NaN points in DEM
 generation

---
 .../src/main/java/org/esa/snap/dem/gpf/AddElevationOp.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/snap-dem/src/main/java/org/esa/snap/dem/gpf/AddElevationOp.java b/snap-dem/src/main/java/org/esa/snap/dem/gpf/AddElevationOp.java
index ea8589d9e3e..5bbccac9c2e 100644
--- a/snap-dem/src/main/java/org/esa/snap/dem/gpf/AddElevationOp.java
+++ b/snap-dem/src/main/java/org/esa/snap/dem/gpf/AddElevationOp.java
@@ -78,6 +78,9 @@ public final class AddElevationOp extends Operator {
     @Parameter(description = "The elevation band name.", defaultValue = "elevation", label = "Elevation Band Name")
     private String elevationBandName = "elevation";
 
+    @Parameter(description = "Fill nodata values by geod values", defaultValue = "false", label = "Fill Nodata with Geod")
+    private Boolean fillWithGeoid = false;
+
     private boolean isElevationModelAvailable = false;
     private ElevationModel dem = null;
     private double demNoDataValue = 0; // no data value for DEM
@@ -176,7 +179,7 @@ public void computeTile(Band targetBand, Tile targetTile, ProgressMonitor pm) th
 
             final boolean valid = DEMFactory.getLocalDEM(
                     dem, demNoDataValue, demResamplingMethod, tileGeoRef, x0, y0, w, h,
-                    sourceProduct, true, localDEM);
+                    sourceProduct, !fillWithGeoid, localDEM);
 
             if (!valid)
                 return;