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Weight Map Missing Vertices

Marks which parts of a source mesh are actually covered by a target mesh. Vertices with a close match come out at 1, vertices with none at 0, with a falloff in between.

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Weight Map Missing Vertices node

The Weight Map Missing Vertices node

When to use it

Marks which parts of a source mesh are actually covered by a target mesh. Vertices with a close match come out at 1, vertices with none at 0, with a falloff in between.

How to use it

  1. 1

    Connect the mesh you want the mask for

  2. 2

    Connect the target, the mesh that may be missing regions

  3. 3

    Set the threshold and the falloff

  4. 4

    Click Compute

  5. 5

    Send the WeightMap into Apply Weight Map or any blend node

Pins

Pin Type Description
Mesh Mesh The mesh you want the mask for. The weight map is sized to this one.
Target Mesh The mesh to hunt for a matching surface on.
Pin Type Description
Mesh Mesh The input mesh, unchanged.
WeightMap Weight Map 1 where the target covers this mesh, 0 where it does not.

Settings

Setting Type Description
Distance Threshold Number How close the target surface has to be for a vertex to count as covered. Set it too tight and a body under clothing reads as missing everywhere the cloth floats off the skin.
Falloff Distance Number Extra distance past the threshold over which the weight fades out. Leave it at 0 and the mask edge follows the triangles, which shows up as a jagged line the moment you use it to blend.
Falloff Type Choice Shape of that fade.
Invert True/False Flips the map, so the missing areas come out at 1 instead.

Available in Mesh Morpher Graph and Mesh Morpher Studio.