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Wednesday, 31 August 2011

Tutorial: Grass and Rock Displacement in Vray SketchUp

Vray SketchUp does not support Proxy at the moment, unlike Vray 3dsMax. Creating realistic grass seems to be challenge still. In the past the solution that I mostly recommend is using channels like in this POST .

Two of our Filipino Visualizers, Zernan Suarez and Rhen Badando, attempted to create very informative displacement tutorial how to achieve realistic grass and rock materials. I should say, this technique works pretty well. Here are their tutorials.

ZERNAN SUAREZ aka. "ZDesign"

Here's my visual tutorial on how to make the grass or even carpet looks uneven/ripple using bump and displacement and noise adjustments.

DOWNLOAD VISMAT MATERIAL - HERE

SAMPLE IMAGE RENDER WITH TEXTURE ADJUSTMENT
GRASS_2 TUTORIAL vray version 1.49.89
APPLY THE GRASS MATERIAL
BUMP WITH BLEND TEXTURE_A
BUMP WITH BLEND TEXTURE_B
DISPLACEMENT WITH BLEND TEXTURE_A
DISPLACEMENT WITH BLEND TEXTURE_B
GRASS
BUMP

Vray version 1.48.91
 

Then based on ZDesign approach, Rhen Bandando made another visual tutorial combined with rock material.

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5 comments:

  1. wow its back....yey thank you so much!!

    ReplyDelete
  2. para el material de pasto (grass) no veo necesario activar el canal de bump ya que el canal de desplazamiento lo tapa, por decirlo de algun modo
    he probado un rato y llegue a la conclusion que al usar el texBlend, para evitar que el plano con desplazameinto se nos salga de control, es necesario:
    1- no cargar textua alguna en el "Texture A"
    2- En "Texture B", jugar con el "color A" para controlar la intensidad de desplazamiento (color A en blanco= desplazamiento acusado; color A en gris o negro= desplazamiento atenuado)
    Muchas gracias, me fue muy util, ahora entiendo un poco mas todo esto de los materiales vray y ya logre ese material de pasto que tanto busque

    ReplyDelete
  3. Thank you for the material, but I'm having a hard time getting it to work correctly. I have a large file and sometimes when I render it won't show the texture and then when I am able to get it to show, it levitates the layer? Any solutions for this? Thank you.

    ReplyDelete