VRML export resolution

ideasco
ideasco Global Mapper User
in GM Script Language

I cannot get the correct resolution when I export VRML using a GM script file.

I am using 30 arc sec elevation data. It is re-projected to Equirectangular Projection. So the resolution is 927.662 meters. When I attempt to export via the GUI/menu (see picture) I do get a resolution results of 927.661987 meters which is good.

When I import and run the following GM script it results in a resolution of 926.888977 in both X and Y.

Script:

GLOBAL_MAPPER_SCRIPT VERSION="1.00"

EXPORT_ELEVATION FILENAME="C:\GM exports\SRTM 60.00.00 to 50.00.00 -10.00.00 to 0.00.00 30.wrl"\

TYPE=VRML SPATIAL_RES_METERS=927.662 VERT_EXAG=1 LAT_LON_BOUNDS=-10,50,0,60

VRML export.png


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