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Forums Maxon Cinema 4D Help – Textures Problem

  • Help – Textures Problem

     Brian Jones updated 15 years, 2 months ago 2 Members · 10 Posts
  • Joseph M. Morgan

    November 2, 2007 at 4:05 am

    I have serious multi textures problems.

    I have a relatively sophisticated landscape. I want a mixture of grass and stone. I can’t get the textures correct.

    I’ve tried two things… neither of which made me happy.

    First, a layered textured with a simple noise layer map. Nope. Then, I tried multiple textures. It only renders one… the one I have selected. It doesn’t seem to matter which one has “Mix Textures” on or off… I’ve tried every combnation. If I select the grass, I get grass. If I select stone, I get stone. If I mix only one, I get a horribly washed out mess.

    I even tried a “noisy” alpha map (same map, but inverted on one) to try and show one through the other, but it made the whole landscape wierd ( which I may can use later :-} ), but not what I want.

    I want grass and stone … with appropriate bump.

    Also… in playing with all of this… my bump no longer works at all…..

    I’m lost.. .It’s late… I need help.

    Is there a good tutorial on working with textures, shaders, etc? I can never get them the way I really want them.

  • Joseph M. Morgan

    November 2, 2007 at 2:11 pm

    So here’s the thing… to simpify… what if I want a vase with a painted center. I’ve got materal 1, the green marblish finish. The 2nd materia is the band of paint. Here’s what I’ve done:

    How do I get the band to not be partially transparent? I’ve tried several mix modes… nothing seems to work to make the band solid.

  • Joseph M. Morgan

    November 2, 2007 at 3:40 pm

    Never mind… I figured it out… I’m trying way too hard to make it hard…

    I just needed a 2nd texture, no mixing, and an alpha…

    Sorry to bother you.

  • Brian Jones

    November 2, 2007 at 3:47 pm

    can you post the scene and textures? There’s more than one way to do this and you don’t necessarily need to mix textures

  • Brian Jones

    November 2, 2007 at 6:45 pm

    no problem

  • Joseph M. Morgan

    November 5, 2007 at 9:14 pm

    It’s a rocky surface with grass mixed in… I clearly need to learn how to make grass with the fur module. But here’s what I have…

    The stone and grass are both from a photo. UVW mapping tiled 20 and 15 times respectively.

    The grass uses an alpha map.

    Any siggestions are welcome… meanwhile, I’m in search of a “fur” tutorial … hopefully how to make grass. The main question then will be… can I make grass with the alpha so I have areas of grass, rather than a fuzzy surface.


  • Brian Jones

    November 6, 2007 at 1:41 am

    [Joseph M. Morgan] “The main question then will be… can I make grass with the alpha so I have areas of grass, rather than a fuzzy surface. “

    absolutely, put your alpha map in the Length channel of the hair material.

    To make grass …well, what kind of grass… for quickie lawnish grass (and a place to start) drop in a plane Add Hair – make it green and green with green/green-blue Specular, in the Length channel add your alpha, make the Thickness be 5 bottom, 5 top and Variation of 2, add Bend and/or Curl play with the values. From there there are many possibilities it just depends on the look you want.

  • Joseph M. Morgan

    November 6, 2007 at 5:33 am

    I had already taken a guess and put the alpha on the density channel and it worked as I expected. That is, grass where white is, no grass where black is.

    I’ve managed to increase my render time exponentially… definitely must look into building a new machine for this 🙂

    What would be the difference if I put the alpha map on length?

    And… it is working really well… I’ll post a pic later, but any ideas on making weeds?


  • Joseph M. Morgan

    November 6, 2007 at 7:42 am

    Before with a texture map:

    And here it is with grass ( 10 minute render for a single frame )…


  • Brian Jones

    November 9, 2007 at 9:09 pm

    weeds – thicker maybe, taller, but with a large random height I would think. Maybe the Feather Object could do a good weed. And maybe more than one set of hair for maximum difference. Something like Nature Spirit or XFrog would work (not free though)

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