*base-height*
*centre-altitude*
*depth-divide*
*down-level*
*flatten-index*
*ground-colour*
*interpolation-index*
*lod-colours*
*master-dimension*
*master-interleaved-array*
*master-levels*
*master-nodes*
*master-triangle-indices*
*max-levels*
*object-depth-levels*
*object-depths*
*patch-height*
*patch-max-level*
*patch-width*
*sea-colour*
*sea-indices*
*sea-vertices*
*terrain-root*
*terrain-width*
*triangle-indices-ctype*
*triangle-indices-ctype-size*
*triangle-indices-gl-enum-type*
*triangle-indices-length-levels*
*triangle-indices-levels*
*up-level*
*waterline-step*
+east+
+north+
+south+
+west+
