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[Nel] 3DSMax question : lightmaps parameters
From: |
phlam |
Subject: |
[Nel] 3DSMax question : lightmaps parameters |
Date: |
Tue, 10 Sep 2002 15:06:54 +0200 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.2a) Gecko/20020908 |
Hi,
I have few questions about lightmaps parameters in 3DSMax
As far as I understand, here is the simplest process to get lightmaps on
a mesh in the Object Viewer :
. Assign a NeL material to the mesh and set its Shader type to
'LightMap', select a lightmap texture channel 2.
. Assign an UVW map modifier to the mesh, with the following parameters
: Box mapping, mapping channel #2
. Create a light (omni or spotlight), set its Color, Multiplier, Cast
shadow, Far Attenuation ('start' value / 'end' value / 'use' checkbox)
. Check the Utilities / NeL Export / Options : 'Export lighting' and
'Shadow' checkboxes
. If you select the mesh(es) and push Utilities / NeL Export / View the
Scene, you should get a nice rendering in the Object Viewer.
Now, here are my questions :
. How can I have soft shadows ? All I can get is sharp raytraced-like
shadows, even if the 'Light method' parameter is set to 'Soft Shadow' in
the Options
. The NeL material(s) that has/have the 'Lightmap' shader type must have
a Diffuse bitmap (NeL Textures rollout) or the lightmaps won't be calculated
. 'Lighting' node properties ?
. Lumel size multiplier is a per object param. for the lightmap
definition, that seems to be ok
. Does the soft shadow radius work ?
. What does 'Soft shadow cone length' mean ?
For a light
. what is the difference between 'Realtime light' and 'Realtime Sun
light' ?
. what is the difference between 'Realtime light' and 'Animated
dynamic light' ?
. what is the meaning of the Lightmap Name ? Changing it doesn't
change the generated lightmap filename
Thanks in advance
phlam
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