By Nomer Adona
The idea behind this tutorial is to help you create a tile imprint design from scratch. I will move from one software to the next to accomplish each task. In this tutorial I will share my experience in preparing my textures using Photoshop and Pixplant. I will then demonstrate how I will use them in V-Ray for SketchUp.
1. Let me begin by using SketchUp for my tile design. I could use Photoshop directly, but I prefer SketchUp as I am used to working with it and I want to introduce it for this particular purpose. Here I modeled a 30cm x 30cm tile. I then quickly drew my design using Freehand, Arc, Offset and Paint Bucket Tool. Once I finished the design, I mirrored it in both directions, creating four tiles.
Step 1
2. I will now export my tile design imprint as a jpeg for the purpose of creating a displacement map in Photoshop. I clicked the Zoom Tool in SketchUp and typed 0 in the Measurements box to get parallel projection. I then clicked Top View using the Views Toolbar. The model is now ready to be exported as a 2D graphic in jpeg format. See the image below.
Step 2
3. Open Photoshop and load the exported image. To create a displacement map, I simply copied the image into another layer and applied a Gaussian blur filter to it. I did this to achieve a smooth transition between blacks and whites. In V-Ray for SketchUp, the whiter the areas are the, higher the displacement.
Step 3
4. Save this material as your displacement map.
5. Here is another material. I downloaded this one from the Net by Googling and typing Terra Cotta. I will remove those grooves using the Clone Stamp Tool in Photoshop. Once done I will save it as a jpeg image.
Step 4
6. Below is a seamless material I have done using Pixplant (you can download 30 day trial). The jpeg image that was done above was opened in Pixplant and created a seamless Diffuse map. You can also use Photoshop to create a seamless texture by using a filter called Offset and remove the unwanted seam using the Clone Stamp Tool. I found Pixplant to be a really cool software for doing this. The jpeg material below will be the base color of the tile.
Step 5
Here is a screen grab of Pixplant
Pixplant Screen Grab
I also saved a Normal map which will be used as a Bump map. I found using Normal map in Bump map slot gives a more effective map rather than a black and white Bump map.
Bump map
7. The image below shows the setup of the floor tiles in SketchUp. Here I did a 60cm x 60cm plane. I painted the Displacement map on this plane. This is very important because the mapping of the Displacement map will follow exactly the UVs of this Diffuse map.
Step 7
8. The image below shows the settings in V-Ray for the imprinted tile material.
Step 8
The material is achieved by
- Creating another Diffuse layer (Diffuse 1).load the brown Terra Cotta Diffuse map by clicking the small m beside the Color box of this new Diffuse layer.
- It is important that the old Diffuse layer (Diffuse) will not have any effect on the material other than its UV map settingthe transparency color must be turned into a complete white.
- Load the Normal map under the Bump slot.
- Load the Displacement map under the Displacement map. In this particular exercise the multiplier of both Bump and Displacement map are 0.2.
- Finally, create a Fresnel Reflection map with .07 .08 Glossiness and 32 Subdivision.
Here is the rendered image
Image 1
Here it is with a Glossiness of .55 with less Reflection
Image 2
I hope you have learned something new here and you find it useful in your future projects.
Thanks
Nomer Adona
Some of Nomer Adonas other tutorials here at SketchUpArtists:
Dont forget to check out Nomers own website for more of his inspiring work and free resources.
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2. I will now export my tile design imprint as a jpeg for the purpose of creating a displacement map in Photoshop. I clicked the Zoom Tool in SketchUp and typed 0
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