on in geographic */
  MTKt_GeoCoord ctr;            /**&lt; Center of region in geographic */
  MTKt_GeoCoord lrc;            /**&lt; Lower right corner of geographic */
  MTKt_GeoCoord llc;            /**&lt; Lower left corner of geographic */
} MTKt_GeoRegion;

typedef struct {
  int path;                     /**&lt; Path these coordinates */
  MTKt_SomCoord ulc;            /**&lt; Upper left corner of region in som */
  MTKt_SomCoord ctr;            /**&lt; Center of region in som */
  MTKt_SomCoord lrc;