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Some options are available only in Advanced mode.

Front Material – Sets the material to be used for front faces as defined by the object normals.

Back Material Material – Sets the material to be used for back side faces as defined by the object normals.

Translucency – – Determines which side (front or back) relative to the camera is more visible in the rendering process. By default this color is black (0.0), which means that only the front side is visible. When set closer to white (1.0), more of the the Back material is seen. When set closer to black (0.0), more of the Front material is seen.

Mult. By Front Diffuse – When enabled, the Translucency is multiplied by the Front material.

Force Single Sided – When enabled, the sub-materials renders as one-sided materials. Disabling is not recommended.

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Override Control

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Can be Overridden – – When enabled, the material can be overridden when you enable the Opaque override option in the Global Overrides tab of AppAppearance Manager.Man.
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Common Use Examples

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Two Sided material is commonly used for leaves. Notice how the light illuminates the shrub from behind.

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The curtain uses Two Sided material to allow some outdoor light on the inside of this interior.

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In this example, the lampshade uses a Two Sided material with only a Front material connected (VRayMtlGeneric material). A V-Ray sphere light is used to illuminate the inside. Translucency is shown here with grayscale values (RGB).

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Translucency (0, 0, 0)

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Translucency (64, 64, 64)

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Translucency (128, 128, 128)

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Translucency (192, 192, 192)

 
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Example: Leaf

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In this example, the leaves have both front and back materials connected to the Two Sided Material. Notice how the leaves change when the Translucency value (shown in RGB) is changed. The last render uses a Translucency grayscale map.

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Translucency (0, 0, 0)

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Translucency (128, 128, 128)

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Translucency (255, 255, 255)

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Translucency map

 
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Notes

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Fancy Bullets
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  • This material gives best results when assigned to plane surfaces, i.e. surfaces with no thickness. Given that all native Revit geometries have thickness, it's recommended to use this material in combination with V-Ray or Cosmos geometry (for example, proxy exported from other host apps).
  • The Two Sided material can be made visible only from one side by having its Front material slot empty and the Back material slot filled in.