pymel.core.animation.orientConstraint

orientConstraint(*args, **kwargs)

Constrain an object’s orientation to match the orientation of the target or the average of a number of targets. An orientConstraint takes as input one or more targetDAG transform nodes to control the orientation of the single constraint objectDAG transform The orientConstraint orients the constrained object to match the weighted average of the target world space orientations.

Maya Bug Fix:

• when queried, upVector, worldUpVector, and aimVector returned the name of the constraint instead of the desired values

Modifications:

• added new syntax for querying the weight of a target object, by passing the constraint first:

  aimConstraint( 'pCube1_aimConstraint1', q=1, weight ='pSphere1' )
  aimConstraint( 'pCube1_aimConstraint1', q=1, weight =['pSphere1', 'pCylinder1'] )
  aimConstraint( 'pCube1_aimConstraint1', q=1, weight =[] )
  

Flags:

• createCache : cc (float, float) [edit]

  This flag is used to generate an animation curve that serves as a cache for the constraint. The two arguments define the start and end frames. The cache is useful if the constraint has multiple targets and the constraint’s interpolation type is set to no flip. The no flipmode prevents flipping during playback, but the result is dependent on the previous frame. Therefore in order to consistently get the same result on a specific frame, a cache must be generated. This flag creates the cache and sets the constraint’s interpolation type to cache. If a cache exists already, it will be deleted and replaced with a new cache.

• deleteCache : dc (bool) [edit]

  Delete an existing interpolation cache. Flag can have multiple arguments, passed either as a tuple or a list.

• layer : l (unicode) []

• maintainOffset : mo (bool) [create]

  The offset necessary to preserve the constrained object’s initial orientation will be calculated and used as the offset.

• name : n (unicode) [create,query,edit]

  Sets the name of the constraint node to the specified name. Default name is constrainedObjectName_constraintType

• offset : o (float, float, float) [create,query,edit]

  Sets or queries the value of the offset. Default is 0,0,0.

• remove : rm (bool) [edit]

  removes the listed target(s) from the constraint.

• skip : sk (unicode) [create,edit]

  Specify the axis to be skipped. Valid values are x, y, zand none. The default value in create mode is none. This flag is multi-use.

• targetList : tl (bool) [query]

  Return the list of target objects.

• weight : w (float) [create,query,edit]

  Sets the weight value for the specified target(s). If not given at creation time, the default value of 1.0 is used.

• weightAliasList : wal (bool) [query]

  Returns the names of the attributes that control the weight of the target objects. Aliases are returned in the same order as the targets are returned by the targetList flag

Derived from mel command maya.cmds.orientConstraint