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This page provides information about the Displacement in V-Ray for Revit.

 

Overview

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Displacement mapping is a technique for adding detail to geometric objects without having to model it first. The concept is very similar

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to bump mapping. However, bump mapping is a shading effect that only changes the appearance of a surface, while displacement mapping actually modifies the surface.

The image slider on the right shows the effect of the Displacement mapping.

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UI path

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Creating Displacement:

||V-Ray Asset Editor|| > Create Asset > Geometries > Displacement

||V-Ray Asset Editor|| > Geometry > Displacement

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Assigning Displacement:

||Appearance Manager|| > Materials tab > Add Displacement

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Workflow

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  • Create a Displacement geometry in the Asset Editor from the Geometry drop-down menu or from Create Asset > Geometries > Displacement and assign a texture to the Map slot.
    Currently, the displacement geometry is not assigned to any object in the Revit model and it is not visible during rendering.
  • In the Appearance Manager, navigate to the material that needs displacement.
  • From the V-Ray drop-down menu next to it, select Displacement. A grey dot indicates that the Displacement is assigned to that material. All objects that have the material assigned to them also acquire the Displacement.

 

 

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Displacement assigned to a material can be disabled from the Displacement () icon in the Appearance Manager when the material is selected.

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Shift = -10.0

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Shift = -5.0

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Shift = 5.0

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Shift = 10.0

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Example:

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Level Height 


The Height Level Level Height parameter is absolute in world units. For this example, Amount is set to 5.0 and Shift is set to 0.0. Note that when Height Level reaches Level Height reaches Amount + Shift, all geometry is clipped.

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Level Height Level
  0.0 (no clipping)

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Level Height Level
 1.25 

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Level Height Level
 2.5 

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Level Height Level
 3.75 

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Level Height Level = 5.0 (all geometry is clipped)
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