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1994-09-19
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*** DEM to 3DS file converter ***
by Stephane Vilette (09-19-1994)
Often I've seen people complaining about the fact that they had to use
DXF export/import to use VistaPro's DEM files in 3D Studio because it
takes a lot of time to export big DEM.
So I did it : a DEM to 3DS converter. It can export DEM files in less
than 2 seconds.
As this is still a Beta version, it still has some limitations :
* In VistaPro, you must save DEM file using the "Save DEM Session"
If you just use "Save DEM", some informations will miss in the DEM
file such as Light position, Camera Position and Color Maps.
* The DEM must have a size of 258x258 (if you have a 30 meters/pixel,
it is 7680mx7680m). If the Landscape is smaller or larger, the
program might hang or do strange things. This will be fixed in a
next release.
* The DEM file must be saved with a Polygon Size of 1. If you use
another size, you will probably get strange results.
* Color Maps can not be exported. This will be added in a next release.
* This converter was tested with VistaPro 3.05 for DOS and 3D Studio R3.
I can not garantee that it will work with other releases.
Here is the syntaxe you must use :
DEM23DS -iDEMFile[.DEM] [-o3DSFile[.3DS]]
You must always specifie the input file name. the .DEM extension is
optional. If you don't specifie an output file name, DEM23DS will use
the input file name with .3DS extension.
If the output file name already exists, the file will be overwritten.
This will also be fixed in a next release.
If you have problems or suggestion about this converter, you can contact
me on Compuserve of by E-Mail :
Stephane Vilette
E-Mail : stephane.vilette@top50.fdn.org
Compuserve : 100332,3073
Thanks :
I'd like to thank John Hinkley who made a great job releasing VistaPro and
who gave me many help about the DEM file format and for is improvement
suggestions.
Release note:
This converter is totaly Freeware. You can use it and distribute it as
you like. But if you enjoyed it and found it usefull, leave me a mail
so that I'll know if it's worth making improvements.
Stéphane.