EnigmA Amiga Run 1995 November/EnigmA AMIGA RUN 02 (1995)(G.R. Edizioni)(IT)[!][issue 1995-11][Skylink CD].iso/earcd/docs/lwml9505.lha/LWML9505.TXT/[e-mail]_Tue May 16 22:55:42 1995.msg

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Date: Wed, 17 May 1995 01:58:30 -0400
Subject: Re: decal
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On Tue, 16 May 1995, 16-May-1995 0948 wrote:

>    I have a MECHA model I have been working on. Well I have all the modeling
>    done, and now I want to add detail. My problem is I have a hullplate
>    bitmap(forge) used in the color, diffuse buttons. Now I want to add
>    numbers, emblems ect. In Imagine I simply loaded the map and used the
>    visual texture editor to size, and place the map. You can also use
>    several pics on one plane, and they would auto transparent for you.
>    How do I go about applying multiple maps in LW ? I don't want to
>    subdivide the torso into multiple objects if I can avoid it.


This is a common "mistake" that people make in LightWave...they model
their object FIRST and then worry about surfacing later.  You need to
have a clear idea of what your object's surfaces are going to look like
before you begin modeling so that you can take the necessary steps to
name your polygon surfaces properly.

It's not necessary to break up your object into multiple objects...in
fact, this wouldn't help at all because all of the surfaces in all of
your objects will still have the same names.

What you need to do is, when you're working on the object in Modeler,
select the polygons that are going to have a certain "decal" mapped onto
them and then name a specific surface for those polygons....so if the
chest plate of your robot is gonna have some sort of emblem on it, then
name the polygons that make up your robot's chest section something like
"RobotChestPlate"...you also may want to make little notations as to
which axis these polygons are facing, so if they are aligned to the Z
axis, then you would name the polygons "RobotChestPlateZ" or so.

Go back to Layout and load the images (your decals) that will be mapped
onto the body parts of the robot from the Images panel.

Then, in the Layout Surfaces panel, you can select the surface you want
to work with ("RobotChestPlateZ"), set your color and shininess and any
other attributes you want this part of the object to have, and then
click on the Texture button to apply the image map (decal).  Select the
image you want to use from the list of images you loaded in, click on
the axis that these polygons are aligned to, (Z in this example) and then
hit Automatic Sizing...this will automatically size and center your image
map to fit on all the polygons contained within this surface.  You may
need to tweak the image map's settings a bit to get it positioned exactly
the way you want it, but the "hard" part is done automatically for you.

You can have a nearly unlimited number of surfaces in each object, so
take advantage of this and name your polygons in such a way that will
make your surfacing tasks easier...especially when using the Alphabetize
Surface function in Layout.

You should try make use of Modeler's multiple layers whenever possible
and everytime you add a new detail to your object, rename it's polygon
surface to something you'll easily recognize and know how to work with
when applying surface values in Layout.

If you model your object without paying any attention to polygon surface
names, you'll have an extremely frustrating time achieving a desired look
when rendering!


Hope this all helped.....

                                      -David Warner
                                       Event Horizon Graphics



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