X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fsrtm%2FTileFinder.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fsrtm%2FTileFinder.java;h=5ada68ca1b65e5428c3d6f961db1086e6b8086db;hp=60a9479d1289faae0523e0fd7d025b56e816d37e;hb=8b20e3e027058cdf6ff52993ee5576193d08667a;hpb=2302358503c38817e19f6e529f6c9e530aac0e86

diff --git a/src/tim/prune/function/srtm/TileFinder.java b/src/tim/prune/function/srtm/TileFinder.java
index 60a9479..5ada68c 100644
--- 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);