 | | | quick questions... | quick questions... 2004-04-10 - By Francois Lord
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I don't know. Try different SRT values.
Jonathan Veillette wrote:
>thanks Fran�ois for the infos!
>
>But I followed your intructions for the square light and it didn't works...
>
>here an example:
>http://pages.infinit.net/koski666/images/exemple1.jpg
>
>What coul be wrong?
>
>
>-- -- Original Message -- --
>From: "Francois Lord" <flord@(protected)>
>To: <XSI@(protected)>
>Sent: Monday, April 05, 2004 6:17 PM
>Subject: Re: quick questions...
>
>
>
>
>>Jonathan Veillette wrote:
>>
>>
>>
>>>Hi! three quick questions;
>>>
>>>1 - Is there a way to set a min distance(starting point) on a spot,
>>>just like a volumic effect?
>>>
>>>
>>>
>>Plug a ScalarState (ray lenght) into a gradient mixer. Plug the mixer
>>into the input of the spot in the render tree. Set the maximum value in
>>the input tab of the mixer, and set the gradient to whatever you like.
>>image1 <http://www.buzzimage.com/%7Eflord/LightRendertree1.gif>
>>
>>
>>
>>>2 - With this spot. I also want it to be square, so I put a grid with
>>>a hole over it to create this effect....is there a better way to do
>>>
>>>
>this?
>
>
>>You can project an image from the light. Use an Image Lookup node driven
>>by a TextureSpaceGenerator. It has the disadvantage that the projection
>>is parallel (instead of conic, like a normal spot) but can sometimes be
>>
>>
>ok.
>
>
>>image2 <http://www.buzzimage.com/%7Eflord/LightRendertree2.gif>
>>
>>
>>
>>> 3- Finaly, with this spot and the grid near my building, the grid
>>>create some FG shadows on it(because I'm using FG in the scene),
>>>
>>> is there a way to get rid of it?
>>>
>>>
>>>
>>Same as above.
>>
>>--
>>Flord
>>
>>
>>
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