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Subject: Primivol evaluation version


julien_chaplier ( ) posted Thu, 16 December 2004 at 4:05 PM · edited Fri, 08 November 2024 at 12:12 AM

Attached Link: http://www.inagoni.com/comment.php?comment.news.40

Hi All, An evaluation version of Primivol can be dowloaded following the Try Primivol links at the top of the attached page. In evaluation mode, a red and a green sphere will be renderered in 2 corners of the primitives, and the primitives will only render a limited number of pixels, until Carrara is restarted. I could render the primitives about 25 times before having to restart Carrara, I hope it's enough to see what Primivol can do. Julien


mmoir ( ) posted Thu, 16 December 2004 at 4:59 PM

Thanks Julien.


cajomi ( ) posted Sat, 18 December 2004 at 1:52 AM

25 times? I just came up to 4-5 times, rendering with the preview tool. In the renderwindow I have got an error. So I give up testing. But what is to see, on other renders, that the fog does not recieve shadows from other objects. That would be the basis to get rays. And to give the fog a glowparameter. If this glowparameter would be connected to the sun, like the shoestringshader, you would get fantastic glowing fog, with rays and shadows. And the cloudshadows have no control, to set the intensity of the shadows, I do not mean the selfshadows, but the shadows in the secene. Do they depend on the cloudcolour? A glowparameter would give those clouds the abibility, to glow, if they appear near the sun, like they do in nature. Okay, thats much, but thats what I am really missing. Johannes


julien_chaplier ( ) posted Sat, 18 December 2004 at 2:49 AM

Hi Johannes,
The glow of the fog can be set using the Intensity parameter. And you can darken the profected shadow of the cloud on the scene by increasing its density.
Currently the fog can't receive shadows from other objects, as well as it can't receive light from ligth cones and light bulbs. These are 2 limitations I'm aware of, but I couldn't find a way to solve them with Carrara 3 or 4 architecture. I'll complete the volumetric model as soon as a solution is available.
About the evaluation version, if you lower the renderer quality ( setting the Antialiasing to Fast or None, and the Pixel accuracy to 2 or 4 pixels ) you should be able to render more than 4 or 5 times the primitives. Let me know if you think it's still not enough with these settings, I can build another demo that authorized a little bit more renders.
Julien


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