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Figures


Figure 1: Two levels of hierarchical refinement of a triangular element.


Figure 2: Two stages of refinement -- splitting and averaging.


Figure 3: Averaging masks: a) surface mask (n=7), b) 4-point curve mask, c) 3-point curve mask.


Figure 4: Point-to-surface projection: a) target triangle localization, b) progressive refinement of the target triangle.


Figure 5: Localization of point into target triangle: a) initial configuration, b) first refinement, c) second refinement, d) final (limit) configuration.


Figure 6: Correction of sub-triangle selection: a) backtracking process, b) sub-triangle numbering, c) neighbour numbering.


Figure 7: Unit hemisphere - time vs number of elements (EP).


Figure 8: Unit hemisphere - time vs number of elements (AP).


Figure 9: Unit hemisphere - deviation from ideal shape.


Figure 10: Mesh of a concrete dam with a spillway.


Figure 11: Concrete dam - time vs number of elements.


Figure 12: Stanford bunny - time vs number of elements.


Figure 13: Stanford bunny.



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Daniel Rypl
2005-12-03