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);