terrain data processing

 

if the database contain a terrain projection then there are two notes:

 

1: make sure bluemarble and a basemap (against to the terrain) are in imagery.

 

2: the terrain data must be built with "have a mask" option and the mask file ought to be

"gtopo30_4km-mask.tif" this file is available on google support.

 

change "gtopo30_4km-mask.tif" to a proper name in order to match your terrain file.

 

for example, the terrain name is xxx.tif and the mask file name ought to be xxx-mask.tif

 

the no.2 is a known bugs.