fix coordinate issues. They were incorrectly assigned
-rwxr-xr-x 29048 SRTM1
-rwxr-xr-x 372788 SRTM3
-rw-r--r-- 2440 default_priorities.txt
-rw-r--r-- 56 lines
-rwxr-xr-x 10851 scene-gen
-rw-r--r-- 919 shapes
-rw-r--r-- 921 usgsmap.txt