I am just getting started with Radiance and i am attempting to find a
workflow which allows the rendering of geometry generated within 3D Studio
Max in Radiance. With my limited expertise the only way in which i can see
of doing this is to export to Wavefront object .obj from 3DS and then use
the obj2rad radiance tool.
The problem with this approach is that the .rad file which is generated by
obj2rad does not appear the same as those that i have used before. When i
try to render these .rad files oconv reports that the beginning of each of
the lines begins with an undefined moodifier.
When i used the resultant octree file in rview it reported a fatal error
"./rview: fatal - (pot.oct): truncated octree"
Any help that you might be able to offer would be very welcome.
It sound's like you need to define materials for your geometry. Obj2rad will convert the obj format geometry to radiance format geometry. It will not convert material definitions. To see what materials need to be defined do the following:
obj2rad -n my_geometry.obj > my_geometry.data
The -n switch will set obj2rad to only output material related names that are used by the obj geometry. You should look for the names between the following section:
qualifier Material begin
....
end
You can ignore the other sections. These are the names of the materials being used by the geometry. You will need to define them in a radiance material file, for example, if you have a material named: glazing, you would then need to define a material in radiance with the same name:
void glass glazing
0
3 .7 .7 .7
This file would then be included before the geometry files when compiling the scene:
I am just getting started with Radiance and i am attempting to find a
workflow which allows the rendering of geometry generated within 3D Studio
Max in Radiance. With my limited expertise the only way in which i can see
of doing this is to export to Wavefront object .obj from 3DS and then use
the obj2rad radiance tool.
The problem with this approach is that the .rad file which is generated by
obj2rad does not appear the same as those that i have used before. When i
try to render these .rad files oconv reports that the beginning of each of
the lines begins with an undefined moodifier.
When i used the resultant octree file in rview it reported a fatal error
"./rview: fatal - (pot.oct): truncated octree"
Any help that you might be able to offer would be very welcome.
I am just getting started with Radiance and i am attempting to find a
workflow which allows the rendering of geometry generated within 3D
Studio
Max in Radiance. With my limited expertise the only way in which i can
see
of doing this is to export to Wavefront object .obj from 3DS and then
use
the obj2rad radiance tool.
The problem with this approach is that the .rad file which is generated
by
obj2rad does not appear the same as those that i have used before. When
i
try to render these .rad files oconv reports that the beginning of each
of
the lines begins with an undefined moodifier.
When i used the resultant octree file in rview it reported a fatal error
"./rview: fatal - (pot.oct): truncated octree"
Any help that you might be able to offer would be very welcome.
Many thanks,
Gareth Beale
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The problem with this approach is that the .rad file which is generated by
obj2rad does not appear the same as those that i have used before.
Is it possible that you have been using the 3ds import before, not obj? There are 3ds2mgf mgf2rad, which allow import of 3ds files into radiance (there is also a combined script around somewhere, search the archives). 3ds2mgf used to try a material conversion, so you got valid rad-files even without editing material definitions.