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Bryce F.A.Q (Last Updated: 2024 Nov 26 4:28 pm)

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THE PLACE FOR ALL THINGS BRYCE - GOT A PROBLEM? YOU'VE COME TO THE RIGHT PLACE


Subject: Materials


dampeoples ( ) posted Fri, 11 October 2002 at 8:23 AM · edited Mon, 05 August 2024 at 4:18 AM

Hi, I have two questions really, the first is, I was reading the thread about the moon textures and am having a hard time getting them into Bryce, is there a tutorial available for this anywhere? The backroom tutorials won't load for me. My second question is - I have a digital camera and would like to use it for textures. The only problem is, it saves files in .jpg format and I don't know how to get a bump map out of it. Any help would be appreciated, thanks, Sterling


AgentSmith ( ) posted Fri, 11 October 2002 at 1:19 PM

A bump map is made from the color map (the regular .jpg), you just take it, desaturate it (take all the color out of it), and increase it's contrast by around +15, or so, depending on the pic.

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Vile ( ) posted Fri, 11 October 2002 at 6:10 PM

Not necessarily AgentS. A bump map is basically a grayscale map which adds detailed bumps and grooves to an object or Height and depth. In general, whiter areas represent bumps or raised areas, and darker areas represent grooves, or depressed areas. So if you had say a tile image of Dark blue tile with white grout and you turned this image into a grayscale you would get the opposite of how the tile should appear. Meaning you would have lowered tiles (black because it is dark) and raised grout (white). Sometimes it is best to create a custom bump map to emphasize the texture you want.


Aldaron ( ) posted Fri, 11 October 2002 at 8:07 PM

In the above case Vile then you'd simply either invert the bump map in the material editor or give the bump a negative value.


AgentSmith ( ) posted Fri, 11 October 2002 at 10:39 PM

Lol...oh, sure I know bump maps. I just wanted to give dampeoples a simplistic explainantion of making a bump map out of a .jpg.

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Vile ( ) posted Sat, 12 October 2002 at 12:06 AM

I've been inverted once. AgentS I know you knows hope I didn't step on toes.


AgentSmith ( ) posted Sat, 12 October 2002 at 1:25 AM

Lol, nope!

Contact Me | Gallery | Freestuff | IMDB Credits | Personal Site
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Rayraz ( ) posted Sat, 12 October 2002 at 5:25 AM

sometimes taking just one channel works fine too. You can take the R, G, B, C, M, Y, K, H, S, or L, channel as bumpmap. Often one of them will be good enough. It saves you the time of making your own bumpmap. But ofcoarse making your own special bumpmap works best.

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Rayraz ( ) posted Sat, 12 October 2002 at 5:26 AM

I haven't tried it myeslf, but I have read it somewhere and I think it might work.

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silverblade33 ( ) posted Sat, 12 October 2002 at 7:06 AM

The moon textures Read Me fileexplains how to use them :)

"I'd rather be a Fool who believes in Dragons, Than a King who believes in Nothing!" www.silverblades-suitcase.com
Free tutorials, Vue & Bryce materials, Bryce Skies, models, D&D items, stories.
Tutorials on Poser imports to Vue/Bryce, Postwork, Vue rendering/lighting, etc etc!


MeInOhio ( ) posted Sat, 12 October 2002 at 8:49 AM

So when you have a bump map, how do you get it to show on the model. Do you put the dot in column A next to the bump height and then use the slider to control how much impact it has? And do you have to convert to gray scale? I tried loading the same color map I was using here, figuring it would convert it to gray scale. But I'm not getting much of an effect when I do that. Or does the bump height only work with the procedural bumps? Thanks. Kevin


silverblade33 ( ) posted Sat, 12 October 2002 at 10:14 AM

Attached Link: http://www.silverblades-suitcase.com/artofadreamer/tutorials/1/1a.htm

Ok, Bumps can be put in ANY of the four channels by clicking the button in them, bump can be set to negative or positive numbers, in or out, on the objects surface. In this pic from my tutorial, I am setting the DIFFUSE, AMBIENT and BUMP into channel one because the bump map is a greyscale taken from the colour image I am using for the colour (diffuse + ambient). ![materials1.jpg](http://www.silverblades-suitcase.com/artofadreamer/tutorials/1/materials1.jpg) You dont need to do that though if the bump map is going to be taken from another source or is radically different. I could use a grid bump map and put the button into channel B. Then perhaps make transparency map (works similar to bump, shades of white to black regulate amount of transparency) and put that into channel C. To convert images ot grey scale you should really use a 2d image editor so you can get it precise or alter it to suit, like Paint shop pro or Photoshop. bryce can do simple greyscale images from your pics, see this pic from my tutorial: ![materials2.jpg](http://www.silverblades-suitcase.com/artofadreamer/tutorials/1/materials2.jpg) Hope that helps) Link to my tutorial attached

"I'd rather be a Fool who believes in Dragons, Than a King who believes in Nothing!" www.silverblades-suitcase.com
Free tutorials, Vue & Bryce materials, Bryce Skies, models, D&D items, stories.
Tutorials on Poser imports to Vue/Bryce, Postwork, Vue rendering/lighting, etc etc!


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