System and method for constructing a displacement-mapped surface representation

A processor operable to construct a displacement-mapped surface representation, the processor comprising:

• processor circuitry operable to define a plurality of local vectors emanating from the displacement-mapped surface, each local vector extending from a local position disposed on the displacement-mapped surface at an local angle relative to the displacement-mapped surface at said local position;
• processor circuitry operable to determine, for a first subset of the plurality of the local vectors, a first global vector, the first global vector determined as a function of the local positions and the local angles of the first subset of local vectors, wherein said first subset maintains an initial distribution of local vectors comprising said first subset;
• processor circuitry operable to determine, for a second subset of the plurality of the local vectors, a second global vector, the second global vector determined as a function of the local positions and the local angles of the second subset of local vectors, wherein said second subset maintains an initial distribution of local vectors comprising said second subset;
• and
• processor circuitry operable to form a representation of the displacement-mapped surface utilizing the first and second global vectors.

A computer program product, resident on a non-transitory computer-readable medium, for providing instructions to construct a representation a displacement-mapped surface, the computer program product comprising:

• instruction code for defining a plurality of local vectors emanating from the displacement-mapped surface, each local vector extending from a local position disposed on the displacement-mapped surface at an local angle relative to the displacement-mapped surface at said local position;
• instruction code for determining, for a first subset of the plurality of the local vectors, a first global vector, the first global vector determined as a function of the local positions and the local angles of the first subset of local vectors, wherein said first subset maintains an initial distribution of local vectors comprising said first subset;
• instruction code for determining, for a second subset of the plurality of the local vectors, a second global vector, the second global vector determined as a function of the local positions and the local angles of the second subset of local vectors, wherein said second subset maintains an initial distribution of local vectors comprising said second subset;
• and
• instruction code for forming a representation of the displacement-mapped surface utilizing the first and second global vectors.