Version 20, March 2020

[GpsPrune.git] / src / tim / prune / function / srtm / TileFinder.java

diff --git a/src/tim/prune/function/srtm/TileFinder.java b/src/tim/prune/function/srtm/TileFinder.java
index 60a9479d1289faae0523e0fd7d025b56e816d37e..5ada68ca1b65e5428c3d6f961db1086e6b8086db 100644 (file)
--- a/src/tim/prune/function/srtm/TileFinder.java
+++ b/src/tim/prune/function/srtm/TileFinder.java
@@ -30,6 +30,11 @@ public abstract class TileFinder
                URL[] urls = new URL[inTiles.size()];
                // Read dat file into array
                byte[] lookup = readDatFile();
+               if (lookup == null)
+               {
+                       System.err.println("Build error: resource srtmtiles.dat missing!");
+                       return null;
+               }
                for (int t=0; t<inTiles.size(); t++)
                {
                        SrtmTile tile = inTiles.get(t);