Editing Tutorial/Shaders
From BRL-CAD
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1.Create the model (in our case a sphere: my.sph) and save it as a combination/region(sph.r). | 1.Create the model (in our case a sphere: my.sph) and save it as a combination/region(sph.r). | ||
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2. Go to the “Edit” button on your Graphics Window/Command Window then click “Combination Editor” button. | 2. Go to the “Edit” button on your Graphics Window/Command Window then click “Combination Editor” button. | ||
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3. A new window will open. Hit the button on the right of the Name zone, click “Select from all” and chose the region you want to edit. | 3. A new window will open. Hit the button on the right of the Name zone, click “Select from all” and chose the region you want to edit. | ||
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4. Hit the “Show Shader” button. | 4. Hit the “Show Shader” button. | ||
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5. The window will change and you will be able to see the appearance properties of your region. Default shader for unspecified geometry is “plastic”. You can edit it by choosing from the list that opens if you click the button on the right of the shader zone. | 5. The window will change and you will be able to see the appearance properties of your region. Default shader for unspecified geometry is “plastic”. You can edit it by choosing from the list that opens if you click the button on the right of the shader zone. | ||
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(sph.r is the example model. Where sph.r is written you should write your models name.) | (sph.r is the example model. Where sph.r is written you should write your models name.) | ||
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− | + | Default: | |
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6. Change the Transparency, mirror reflectance, Specular reflectivity, Difuse reflectivity, Refractive index, Extinction, Shininess and Emission values, raytracing at the same time, so you can find the shader you want. | 6. Change the Transparency, mirror reflectance, Specular reflectivity, Difuse reflectivity, Refractive index, Extinction, Shininess and Emission values, raytracing at the same time, so you can find the shader you want. | ||
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+ | Blue mirror: | ||
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7. If you want to apply more then one material property you can choose stack from the list. Use the “Add shader” button to add as many shaders you want. | 7. If you want to apply more then one material property you can choose stack from the list. Use the “Add shader” button to add as many shaders you want. | ||
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− | + | Example | |
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You should note that the ordering of the shaders matter. | You should note that the ordering of the shaders matter. | ||
If you change their order... | If you change their order... | ||
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You get... | You get... | ||
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Here you can find an Introduction to MGED and Shaders presentation: [[Documentation]] | Here you can find an Introduction to MGED and Shaders presentation: [[Documentation]] |