Tool:Import Subpalette

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If you select a polymesh tool before importing a mesh, a new subpalette will appear, the Tool:Import subpalette. This provides further options for controlling the importing of meshes.

Image:Tool_Import Subpalette__Tool_Import.jpg

Note: There are three different workflows for importing polymeshes:

  1. Press Tool:Import while a non-polymesh tool is selected. A new tool will be created for the imported mesh, but you will not have access to the Tool:Import settings.
  2. Press Tool:Import while the Polymesh3D (six-pointed star) is selected. You will have access to Tool:Import before the import takes place, and a new tool will be created when the polymesh is imported.
  3. Press Tool:Import while a custom polymesh is selected. This gives access to Tool:Import, but it replaces the current custom polymesh with the new one. This is most often used to re-import the original base mesh, after sculpting it in ZBrush, which will have changed the position, but not the topology, of the original vertices. Re-importing the mesh will restore the vertex positions.

ZBrush will import objects composed of quads and/or triangles. If the imported object has polygons with more than four sides, ZBrush will display an alert message and then convert the polygons to three and four sided.

In addition, various of the options below may affect mesh topology when a mesh is imported. If you need to export a mesh with identical topology after sculpting, make sure the import settings are such that they do not affect mesh topology.

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Controls

Mrg: Merges points that occupy the same space.

Add: Allows multiple meshes to be imported and combined. Import the first mesh, then press Add and import the next. ---- Tri2quad: Converts adjacent triangles to quads when importing. Maximum angle between adjacent triangles to be converted to quads is set by the slider. Range = 0 to 90 degrees. Default = 45

Note: Tri2quad must be set to zero if the imported geometry is to be used as a morph target.

Weld: If two points are closer than the distance set here, they are combined into a single point. Range = 0 to .01. Default = 0 Note: Weld must be set to zero if the imported geometry is to be used as a morph target.

Import: Perform the import using the given settings.

Selecting the PolyMesh3D tool before importing a mesh indicates that you want access to (and therefore want to use) the above options. If you import a mesh without selecting PolyMesh3D, the above options will have no effect, regardless of what you might previously have set them to.
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Troubleshooting

If you experience problems importing a mesh that has been saved from an external application into a ZTool with subdivision levels please try the following:

  1. Import your low resolution mesh as a new ZTool
  2. Re-export it from within ZBrush.
  3. Import the mesh into your original target ZTool.
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