Terrain Reconstruction from Contours by Skeleton Construction Export

@article{citeulike:3844965, abstract = {Generating terrain models from contour input is still an important process. Most methods have been unsatisfactory, as they either do not preserve the form of minor ridges and valleys, or else they are poor at modeling slopes. A method is described here, based on curve extraction and generalization techniques, that is guaranteed to preserve the topological relationships between curve segments. The skeleton, or Medial Axis Transform, can be extracted from the Voronoi diagram of a well-sampled contour map and used to extract additional points that eliminate cases of \“flat triangles\” in a triangulation. Elevation estimates may be made at these points. Based on this approach it is possible to make reasonable estimates of slopes for terrain models, and to extract meaningful intermediate points for triangulated irregular networks (TINs).}, address = {Hingham, MA, USA}, author = {Thibault, David and Gold, Christopher M.}, citeulike-article-id = {3844965}, citeulike-linkout-0 = {http://portal.acm.org/citation.cfm?id=594728.594808}, citeulike-linkout-1 = {http://dx.doi.org/10.1023/A:1026509828354}, doi = {10.1023/A:1026509828354}, issn = {1384-6175}, journal = {Geoinformatica}, keywords = {contour, dem, relief, skeleton}, number = {4}, pages = {349--373}, posted-at = {2009-01-03 20:32:44}, priority = {2}, publisher = {Kluwer Academic Publishers}, title = {Terrain Reconstruction from Contours by Skeleton Construction}, url = {http://dx.doi.org/10.1023/A:1026509828354}, volume = {4}, year = {2000} }

TY - JOUR ID - citeulike:3844965 L3 - citeulike-article-id:3844965 N2 - Generating terrain models from contour input is still an important process. Most methods have been unsatisfactory, as they either do not preserve the form of minor ridges and valleys, or else they are poor at modeling slopes. A method is described here, based on curve extraction and generalization techniques, that is guaranteed to preserve the topological relationships between curve segments. The skeleton, or Medial Axis Transform, can be extracted from the Voronoi diagram of a well-sampled contour map and used to extract additional points that eliminate cases of “flat triangles” in a triangulation. Elevation estimates may be made at these points. Based on this approach it is possible to make reasonable estimates of slopes for terrain models, and to extract meaningful intermediate points for triangulated irregular networks (TINs). IS - 4 JF - Geoinformatica SN - 1384-6175 AD - Hingham, MA, USA EP - 373 TI - Terrain Reconstruction from Contours by Skeleton Construction PB - Kluwer Academic Publishers VL - 4 SP - 349 KW - contour KW - dem KW - relief KW - skeleton AU - Thibault, David AU - Gold, Christopher PY - 2000/// UR - http://dx.doi.org/10.1023/A:1026509828354 ER -