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The Materials tab allows you to replace the standard Revit materials with more powerful and versatile V-Ray materials, including .vrscan files. This includes the ability to properly scale and rotate V-Ray materials and a quick link to the V-Ray Asset Editor to edit them.

In order to replace a Revit material with a V-Ray one, you first need to create V-Ray materials in the Asset Editor. Those will then become available in the drop-downs next to each material in the Appearance Manager.  

With V-Ray 5, update 1, you can also promote AutoGen materials based on the new Revit Prism-based materials as V-Ray ones to the Asset Editor. This equips the AutoGen native Revit materials with parameters specific for V-Ray Materials only, thus further expanding the possibilities for modifying the AutoGen materialsthem.

This allows you to search for materials. Note that if a Revit Identity Class name is inputted in the search bar, only the materials belonging to that class are displayed in the list below.

You can also choose from the following options in the Filter drop-down menu:

Show Materials

All – Allows you to choose from Lists all materials in your library (includes defaults and materials in the project).

Used in project – Allows you to choose from Lists all materials in your current Projectmain Revit file, i.e. hides all linked files materials.

Latest Render – Shows a list of Lists all materials that were exported by V-Ray during the latest render you have done.

Prism only – Shows a list of Lists all Prism-based materials, i.e. all materials that can be promoted using the Promote Revit materials as V-Ray ones functionality.  

V-Ray Mapping

All – Lists all materials, i.e. the V-Ray Mapping filter is not applied.

Mapped – Lists – Allows you to see all materials in your library (includes defaults and materials in the project).Mapped – Allows you to see all materials that have been assigned replaced with a a V-Ray Material.

Unmapped – Allows you to see – Lists all materials that have not been assigned replaced with a V-Ray Material yet.

Transparency

All – Allows you to see Lists all materials, i.e. the Transparency filter is not applied.

Opaque – Allows you to see Lists only the opaque materials in the project. 

Transparent – Allows you to see Lists only the transparent materials in the project.

V-Ray Grass/Fur

All – Allows you to see – Lists all materials, i.e. the V-Ray Grass/Fur filter is not applied.

Mapped – Allows you to see – Lists all materials that have been assigned a V-Ray Grass/Fur.

Unmapped – Allows you to see – Lists all materials that have not been assigned a V-Ray Grass/Fur.

V-Ray Displacement

All – Allows you to see  Lists all materials, i.e. the V-Ray Displacement filter is not applied.

Mapped – Allows you to see Lists all materials that have been assigned a V-Ray Displacement.

Unmapped – Allows you to see Lists all materials that have not been assigned a V-Ray Displacement.

Right-click on the filter icon, resets the filters to their defaults.

When you click on the Pick Material button (), and select a surface in the Revit model, you can see only its material displayed in the material list.

Note that the option works only on surfaces that are native for the Revit model and does not work for linked models. 

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These settings allow you to control the scale, rotation and offset of all maps that a V-Ray material comprises. Use them after you replace a Revit material with a V-Ray one to match the V-Ray material's map size with your project scale.

Width/Height  – Set the width and the height of the V-Ray material.

Rotation – Rotates the V-Ray material (in degrees). 

Offset V/H – Controls the V-Ray material offset in the vertical (V) and horizontal (H) direction. 

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