Improved estimation of maximal grid extension.

code/branches/web/ewGrid.cpp

@@ -123,8 +123,8 @@ int ewLoadBathymetry()
 
   int rgL, rgR, rgT, rgB;
 
-  /* TODO: How do we know how many steps are necessary? Assume one grid extension each 10 steps for now. */
-  int numIter = ceil( Par.timeMax / 8.0 );
+  /* Estimate grid extension. DLon is used since this depends on the resolution. */
+  int numIter = ceil( 3.0 * Par.timeMax / DLon / 1000.0f );
 
   int off1, off2, len, len1, len2;