### 25.2.2. Coordinate Frame: Centroid

#### 25.2.2.1. Location

(applies only when Option is set to `Point and Normal`)

Select a 2D region or combination of 2D regions, the centroid of which will be used as the origin of the coordinate frame.

Tip: Hold the Ctrl key when clicking to select multiple regions.

Tip: With Single Select selected, you may click locations in the viewer to make them available for selection.

#### 25.2.2.2. Centroid Type

(applies only when Option is set to `Point and Normal`)

- Absolute

  The true centroid position is used. If the specified region is not planar, the absolute centroid may not lie on the surface.

- Nearest Point on Mesh

  The mesh node nearest to the true centroid is used.

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