Hardware Assisted Volume Rendering of Unstructured Grids by Incremental Slicing Export

@article{citeulike:6072365, abstract = {Some of the more important research results in computational science reply on the use of simulation methods that operate on unstructured grids. However, these grids, composed of a set of polyhedra, introduce exceptional problems with respect to data visualization. Volume rendering techniques, originally developed to handle rectangular grids, show significant promise for general use with unstructured grids as well. The main disadvantage of this approach, compared to isosurfaces, particles or other visualization tools is its non-interactive performance. We describe an efficient method for rendering unstructured grids that is based on incremental slicing and hardware polygon rendering. For a given view direction, the grid vertices are transformed to image space using available graphics hardware. We then icrementally compute the 2D polygon-meshes that result from letting a set of planes, parallel to the screen plane, intersect (slice) the transformed grid. Finally, we use the graphics hardware to render (interpolate-fill) the polygon-meshes and composite them in visibility order. We show that, in addition to being faster than existing methods, our approach also provides adaptive control and progressive image generation. The adaptive method provides user control to ensure that the contribution of every cell is included in the final image or to limit the number of cells that are missed.}, address = {Los Alamitos, CA, USA}, author = {Yagel, Roni and Reed, David M. and Law, Asish and Shih, Po W. and Shareef, Naeem}, citeulike-article-id = {6072365}, citeulike-linkout-0 = {http://doi.ieeecomputersociety.org/10.1109/SVV.1996.558043}, citeulike-linkout-1 = {http://dx.doi.org/10.1109/SVV.1996.558043}, doi = {10.1109/SVV.1996.558043}, isbn = {0-7803-3708-5}, journal = {Volume Visualization and Graphics, IEEE Symposium on}, keywords = {hardware, incremental, rendering, volume}, pages = {55+}, posted-at = {2009-11-05 04:50:38}, priority = {2}, publisher = {IEEE Computer Society}, title = {Hardware Assisted Volume Rendering of Unstructured Grids by Incremental Slicing}, url = {http://dx.doi.org/10.1109/SVV.1996.558043}, volume = {0}, year = {1996} }

TY - JOUR ID - citeulike:6072365 L3 - citeulike-article-id:6072365 N2 - Some of the more important research results in computational science reply on the use of simulation methods that operate on unstructured grids. However, these grids, composed of a set of polyhedra, introduce exceptional problems with respect to data visualization. Volume rendering techniques, originally developed to handle rectangular grids, show significant promise for general use with unstructured grids as well. The main disadvantage of this approach, compared to isosurfaces, particles or other visualization tools is its non-interactive performance. We describe an efficient method for rendering unstructured grids that is based on incremental slicing and hardware polygon rendering. For a given view direction, the grid vertices are transformed to image space using available graphics hardware. We then icrementally compute the 2D polygon-meshes that result from letting a set of planes, parallel to the screen plane, intersect (slice) the transformed grid. Finally, we use the graphics hardware to render (interpolate-fill) the polygon-meshes and composite them in visibility order. We show that, in addition to being faster than existing methods, our approach also provides adaptive control and progressive image generation. The adaptive method provides user control to ensure that the contribution of every cell is included in the final image or to limit the number of cells that are missed. JF - Volume Visualization and Graphics, IEEE Symposium on SN - 0-7803-3708-5 AD - Los Alamitos, CA, USA TI - Hardware Assisted Volume Rendering of Unstructured Grids by Incremental Slicing PB - IEEE Computer Society VL - 0 SP - 55 KW - hardware KW - incremental KW - rendering KW - volume AU - Yagel, Roni AU - Reed, David AU - Law, Asish AU - Shih, Po AU - Shareef, Naeem PY - 1996/// UR - http://dx.doi.org/10.1109/SVV.1996.558043 ER -