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View Full Version : how do i use the mentalray shaders


spider7
04-21-2004, 06:15 PM
hi im new to mental ray and 3ds max 6 i read the shader Discussion but couldnt find any info on using the glare lume shader do i have to Assign it to the skilight map or the enviroments maps panel.

any help would be great thanxs

Pixero
04-22-2004, 07:27 AM
First the Glare shader is "hidden". Probable since they didnt have time to fix it in time for release. Its a bit unstable. At least for me.
You have to edit the lume.mi file located in: \3dsmax6\mentalray\include.
Make sure you save a copy of the original file just in case...
Just open in a texteditor and scoll down a little until you find:
gui "gui_Glare" {
...
...
"outputTypes" "-tag",
"hidden"

Delete: "hidden" + the: , (comma) in the line above. Save the file.
Now the Glare shader should be visible in the material editor.

Glare is a post render effect so to use it go to the render panel. Make sure you are rendering with MR and then go to Renderer -Camera shaders - Outputshader and click on map and select Glare.
To change the setting you have to drag it to a free Sample slot in the Material editor.
I havent got it to work with a quality setting below 3 so set it to that and raise the spread for more pronounced effect.
Using Streaks crashes Max for me so be aware...
Good luck!

spider7
04-22-2004, 06:05 PM
kool thanks for the reply Pixero

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