- if (lon==-180 && (lat==-89 || lat==88) ) {
- /* Normally the tile at 180W in 88N and 89S
- * would cover 184W to 176W and the next
- * on the east side starts at 176W.
- * To correct, make this a special tile
- * from 180W to 176W with 4 degrees width
- * instead of the normal 8 degrees at
- * that latitude.
- */
- return 4.0;
- }