A two- or three-dimensional image of an object is first input into a computer system. An operator may then define one or more regions of the image for application of surface texture. A two-dimensional image of a surface texture is also input into the computer system. A polygonal area or patch, such as...http://www.google.co.uk/patents/US5333245?utm_source=gb-gplus-sharePatent US5333245 - Method and apparatus for mapping surface texture
