Shrinkwrap options

Projection

The following projection methods determine how each point of the wrapper object is projected onto the target object:

Toward Inner Object
Shrinkwraps toward an inner object. Each point of the wrapper object is projected toward an inner object until it hits the target's surface.
Toward Center
Shrinkwraps toward the target's center. Each point of the wrapper object is projected toward the target's center until it hits the target's surface.
Parallel To Axes
Shrinkwraps along an axis. Each point of the wrapper object is projected parallel to an axis until it hits the target's surface.
Vertex Normals
Shrinkwraps along the normals. Each point of the wrapper object is projected along the inverse of its normal direction until it hits the target's surface. For example, this method lets you shrinkwrap a belt onto a character without worrying about the location of the objects' centers.
Closest
Shrinkwraps to the closest point on the surface of the target.
Closest If No Intersection
When enabled, Maya uses the Closest projection method for points that do not hit the target object using the currently selected projection method. This option ensures that all points of the wrapper object are deformed to the target.
Bidirectional
When enabled, projects the points of the wrapper object both backwards and forwards to see whether they hit the target object. If a point hits the target in both directions, the shortest distance is used.
Reverse
When enabled, points on the wrapper object are projected in the opposite direction. For example, this option lets you project the wrapper along an axis in the negative direction.
Offset
Specifies the distance between the wrapper object and its target after the deformation has occurred. When you increase the Offset value, Maya moves the points of the wrapper along the target's surface normal.
Tip: You can use Offset to fix interpenetrations between the wrapper and the target.
Target Inflation
Specifies the amount of inflation that is applied to the target object along its surface normal.

While Target Inflation and Offset produce similar results, Target Inflation often produces a better deformation, despite some extra computational cost.

Bounding Box Center
When disabled (the default), the points of the wrapper object are projected toward the center of the target's local coordinate system. When enabled, the points of the wrapper are projected toward the center of the target's bounding box.
Note: This option is only available when Projection is set to Toward Center.
Axis Reference
Sets a reference for the coordinate system. You can select from Target Local, Deformed Local, and Global.
Note: This option is only available if Projection is set to Parallel To Axes.
Along X, Y, Z
Specifies the axis along which to project the wrapper's points. When multiple axes are selected, the projection occurs along the corresponding unit vector.
Note: This option is only available if Projection is set to Parallel To Axes.
Single Shrinkwrap Node
When enabled, lets you treat all shrinkwrap objects as a single shrinkwrap node. Doing this applies the same settings across the group.

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