Mirror pose interpolators

You can mirror pose interpolators, poses, and their associated pose shapes using the Pose Editor. Mirroring makes the selected item appear in symmetry on the base object according to the axis that you choose. This helps you save time when you need the same corrective shapes done on both sides of a character: make the changes on one side, then mirror it to the other.

If you mirror a pose interpolator (such as R_Arm_Upr), a new corresponding one is created (such as L_Arm_Upr), along with its poses and associated pose shapes. If you mirror a pose, a new corresponding pose and its associated pose shapes are created inside the corresponding pose interpolator. A new corresponding pose interpolator is created if one doesn't already exist.

If symmetry in Maya is not already on, it is activated for the mirror operation, but then turned off when you're done. If symmetry is on, its settings are ignored during the mirror operation, and restored after mirroring is finished.

To mirror pose interpolators or poses

  1. In the Pose Editor, select one or more pose interpolators, or one or more poses.

    If you select pose interpolators, all their poses and associated pose shapes are mirrored.

    If you select poses, only they are mirrored, along with their pose shapes.

  2. Choose Poses > Mirror > to open the Mirror Options (see below), or right-click a selected pose interpolator or pose and choose Mirror.
  3. The Mirror Source and Target window appears in which you can enter the search string for the Source joint name to find the corresponding Target joint name to which you want to mirror the pose shape.
    Note: It's important that the names of the corresponding joints match or else the pose shape cannot be mirrored. For example, if the source joint is Bone_R_upperArm, the target joint must be named Bone_L_upperArm.

    By default, R_ is displayed as the Source string since most modelers work on the right side of a model and then mirror or copy to the left side.

    The mirrored pose interpolators and poses will be named using the Target substring.

Mirror Options

Select the direction and symmetry axis to be used for mirroring the target shape.

Symmetry Axis

  • Object: Uses the object's X, Y, or Z axis as defined by its pivot point for mirroring. Object X is the default.
  • Topology: Uses the object's actual topology to define the axis for mirroring. For more accurate results, especially with high-resolution meshes, use this method instead of Object.

    If there is no symmetry seam already defined for the object, you are prompted to select an edge as the mirror axis (Edge mode is automatically enabled so you can click the edge).

  • Store topological symmetry seam edges: Available only if you select Topology. This option stores the last-defined edge as the symmetry seam used for this blend shape deformer. If you mirror a target shape that belongs to another blend shape deformer, you are prompted to select an edge again.