Photoshop 1.21 [transparency maps]

“Creating a transparency map for a Rhinoceros/V-Ray texture”


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  1. “Creating a transparency map for a Rhinoceros/V-Ray texture”
  2. Begin by opening the image file of the Rhinoceros texture in Adobe Photoshop.
  3. Create a new layer by clicking on the New Layer button at the bottom of the layer window.
  4. On the new layer, you will need to create white areas were you would like transparency and black areas were you would like opacity. Gray tones will produce intermediate transparency results.
  5. Begin by using the rectangular marquee tool (if you have circular holes, use the ellipse marquee tool under the rectangular tool) or the polygonal lasso tool to outline each “hole” in your screen. You can add to the selection by holding down the shift key on the keyboard.
  6. When you have finished your selection (you don’t have to select all transparent regions at once), switch to the brush tool and change your foreground color to white. Paint inside your selections until they are completely white.
  7. Now hide the background layer and use the magic wand tool (under the Quick selection tool) to select the space in between the white shapes created in the previous step.
  8. Switch your foreground color to black and use the Brush tool (B) to paint the in between space (the space you want to be opaque) black.
  9. Navigate to File>Save and save a .psd file of your texture. This will allow you to edit these images in the future. Save the file to your flash drive.
  10. Once complete, turn off the layer containing your Rhinoceros Texture (Background Layer).
  11. Use File>Save As… and add “_transparency” to the file name. Save this file in a “textures” folder on your flash drive. You will need this file later.
  12. Turn on the Rhinoceros texture (Background layer) and turn of your transparency map layer(s).
  13. Use File>Save As… and add “_diffuse” to the file name. Save this file in a “textures” folder on your flash drive. You will need this file later.
  14. To use these textures in V-Ray, follow V-Ray 8.7 [transparency map]

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