Adobe After Effects CS3 - Manual (Page 579)

AFTER EFFECTS CS3
User Guide
574
Transforms a point from composition space to layer space. The resulting point in a 3D layer may have a nonzero
value even though it is in layer space. Example:
fromComp(thisComp.layer(2).position)
toWorld(point, t=time) Return type: Array [2 or 3].
Argument type: point is an Array [2 or 3], and t is a Number.
Transforms a point from layer space to view-independent world space. Example:
toWorld.effect("Bulge")("Bulge Center")
fromWorld(point, t=time) Return type: Array [2 or 3].
Argument type: point is an Array [2 or 3], and t is a Number.
Transforms a point from world space to layer space. Example: fromWorld(thisComp.layer(2).position)
toCompVec(vec, t=time) Return type: Array [2 or 3].
Argument type: vec is an Array [2 or 3], and t is a Number.
Transforms a vector from layer space to composition space. Example: toCompVec([1, 0])
fromCompVec(vec, t=time) Return type: Array [2 or 3].
Argument type: vec is an Array [2 or 3], and t is a Number.
Transforms a vector from composition space to layer space. Example (2D layer):
dir=sub(position, thisComp.layer(2).position);
fromCompVec(dir)
toWorldVec(vec, t=time) Return type: Array [2 or 3].
Argument type: vec is an Array [2 or 3], and t is a Number.
Transforms a vector from layer space to world space. Example:
p1 = effect("Eye Bulge 1")("Bulge Center");
p2 = effect("Eye Bulge 2")("Bulge Center");
toWorld(sub(p1, p2))
fromWorldVec(vec, t=time) Return type: Array [2 or 3].
Argument type: vec is an Array [2 or 3], and t is a Number.
Transforms a vector from world space to layer space. Example: fromWorld(thisComp.layer(2).position)
fromCompToSurface(point, t=time) Return type: Array [2].
Argument type: point is an Array [2 or 3], and t is a Number.
Projects a point located in composition space to a point on the surface of the layer (zero z-value) at the location where
it appears when viewed from the active camera. This is useful for setting effect control points. Use with 3D layers only.
Camera attributes and methods
Camera objects have the same attributes and methods as Layer objects, except for source , effect , mask , width ,
height , anchorPoint , scale , opacity , audioLevels , timeRemap , and all of the material properties.
pointOfInterest Return type: Property [3].
Returns the camera’s point of interest values in world space.