Martin, Ralph Robert
- Publisher: Springer
acm: ComputingMethodologies_COMPUTERGRAPHICS | ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION
This paper considers the problem of placing mosaic\ud tiles on a surface to produce a surface mosaic. We assume\ud that the user specifies a mesh model, the size of the\ud tiles and the amount of grout, and optionally, a few control\ud vectors at key locations on the surface indicating the\ud preferred tile orientation at these points. From these inputs,\ud we place equal-sized rectangular tiles over the mesh such\ud as to almost cover it, with controlled orientation. The alignment\ud of the tiles follows a vector field which is interpolated\ud over the surface from the control vectors, and also forced\ud into alignment with any sharp creases, open boundaries, and\ud boundaries between regions of different colors. Our method\ud efficiently solves the problem by posing it as one of globally\ud optimizing a spring-like energy in the Manhattan metric, using\ud overlapping local parameterizations.We demonstrate the\ud effectiveness of our algorithm with various examples.
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