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Subject: Does Bryce 5.5 support Alpha Planes?


Plutom ( ) posted Fri, 21 December 2007 at 12:12 PM · edited Sun, 28 July 2024 at 5:47 AM

Hi folks, need an answer to this question:  Does Bryce 5.5 support Alpha Planes (billboards) similiar to VUE where one can import a .tiff etc or simply a .bmp and its associated mask and have it's shadow displayed?  Plutom


dan whiteside ( ) posted Fri, 21 December 2007 at 12:37 PM

Yup (If I understand correctly). In the Create palette, to the right, is a gold colored guy (Leo). Click it select your .tiff from the file selector and hit OK. You should get a 2D rectangle sized to the aspect ratio of the image with the image applied. If the .tiff has an alpha channel it will be applied to the transparency and the Blend Transparency option will be set. HTH; Dan


AnnieD ( ) posted Fri, 21 December 2007 at 2:53 PM

Thanks Dan :D
I didn't ask the question but you've just taught me something I didn't know.

 

“For those who believe, no proof is necessary. For those who don't believe, no proof is possible.”

[Stuart Chase]


Plutom ( ) posted Fri, 21 December 2007 at 3:27 PM

Dan, thanks a lot for your answer and your fast reply--have a great Christmas season--Plutom


staigermanus ( ) posted Fri, 21 December 2007 at 8:33 PM

Attached Link: http://www.thebest3d.com/pdp/tutorials/bryce101/index.html

file_395966.jpg

Here's a tutorial using a transparency mask in the material shader. Done with Bryce 5.0, so yup I think should still work with B5.5

http://www.thebest3d.com/pdp/tutorials/bryce101/index.html

-Philip
thebest3d.com - beyond digital painting


Plutom ( ) posted Fri, 21 December 2007 at 9:14 PM

Philip, that's super, its the same as in VUE 5.  Since I don't have Bryce, this information is invaluable for a friend of mine (penpal) on another website.--needed to ask the Bryce experts.  Thanks Plutom

Maybe I can get her to join Renderosity and eliminate the middle man.


staigermanus ( ) posted Fri, 21 December 2007 at 9:25 PM · edited Fri, 21 December 2007 at 9:27 PM

Good thing then.

Note that this above example is for a Picture object, i.e. indeed the equivalent of single-rectangle billboard polygon objects.

I suspect the general material shaders for other objects might support Alpha too, but I dunno for sure. I know Carrara does.

Also, in this example I think the transparency mask is in its own greyscale image file, i.e. not strictly in an alpha channel of the same file as where the rgb channels are. Same basic idea though: 8-bit transparency mask. You can easily extract the alpha from a 32-bit image with Dogwafle and many other tools including some free ones.


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