Dot shader problems

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Dot shader problems

Dot shader problems

2004-05-24 - By Pankhurst, Lawrence

Back

Reply: 1 2 3

Hi Guillaume,

I think people on the whole don't like attachments which are too big! Just
letting you know.

In your first problem, use a _2D_Gradient shader instead of a dot, you can
use the one you've got there already, just adjust the ramp so that the
colours are fairly hard, have the positions on your colours set to something
like 0.48 and 0.52 depending on how you want your bump to look. You've got
it set to Radial wave already which is what you need, bypass the mix2colours
node, and finally unplug the nodes going into your ambient and diffuse
inputs and it works fine

In your second problem just select your grid and go into the texture editor,
under UVs turn on wrap in U and wrap in V.

Hope this helps

Lawrence

-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf Of
Guillaume Laforge
Sent: 24 May 2004 08:44
To: XSI@(protected)
Subject: Dot shader problems

I'm trying to do some relatively simple things in the render tree and I
can't do what I want :-(

First, I want some bump ONLY in the dot of the "_2D_dot" shader. Is it
possible ? (see my .scn file for more info)

Second, when I scale down the texture support of an object with a shader
composed of a "_2D_dot", I've got some distortion pb in the repeated dots
patern . (see also my .scn file for more info)

Any advice on those simple shader things would be appreciate.

Guillaume Laforge

www.vol2nuit.net <http://www.vol2nuit.net>

.

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Hi Guillaume,

 

I think people on the whole don't
like attachments which are too big! Just letting you know.

 

In your first problem, use a _2D_Gradient
shader
instead of a dot, you can use the one you've got there already, just
adjust the ramp so that the colours are fairly hard, have the positions on your
colours set to something like 0.48 and 0.52 depending on how you want your bump
to look.  You've got it set to Radial wave already which is what you
need, bypass the mix2colours node, and finally unplug the nodes going into your
ambient and diffuse inputs and it works fine

 

In your second problem just select your
grid and go into the texture editor, under UVs turn on wrap in U and wrap in V.


 

Hope this helps

 

Lawrence

 

-- --Original
Message-- -- 
From: owner-xsi@(protected)
[mailto:owner-xsi@(protected)] On Behalf Of
Guillaume Laforge 
Sent: 24 May 2004 08:44 
To: XSI@(protected) 
Subject: Dot shader problems

 

<div>

I'm
trying to do some relatively simple things in the render tree and I can't do
what I want :-(  

</div>

<div>

 

</div>

<div>

First, I
want some bump ONLY in the dot of the "_2D_dot" shader. Is it
possible ? (see my .scn file for more info)

</div>

<div>

 

</div>

<div>

Second,
when I scale down the texture support of an object with a shader composed of a
"_2D_dot", I've got some distortion pb in the repeated
dots patern . (see also my .scn file for more info)

</div>

<div>

 

</div>

<div>

 
Any advice on those simple shader things would be
appreciate.

</div>

<div>

 

</div>

<div>

Guillaume
Laforge

</div>

<div>

<a
href="http://www.vol2nuit.net">www.vol2nuit.net</a> 

</div>

 
 
.

</div>

 
 
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --- 
Information in this email may be privileged, confidential and is 
intended exclusively for the addressee. The views expressed may 
not be official policy, but the personal views of the originator. 
If you have received it in error, please notify the sender by return 
e-mail and delete it from your system. You should not reproduce, 
distribute, store, retransmit, use or disclose its contents to anyone. 
 
Please note we reserve the right to monitor all e-mail 
communication through our internal and external networks. 
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --- 

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