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- From: gordonc@epcc.ed.ac.uk (Gordon D B Cameron)
- Newsgroups: comp.graphics.visualization
- Subject: Pyramid Viewers
- Message-ID: <C1KnJq.M5G@dcs.ed.ac.uk>
- Date: 28 Jan 93 16:09:25 GMT
- Sender: cnews@dcs.ed.ac.uk (UseNet News Admin)
- Organization: Edinburgh Parallel Computing Centre
- Lines: 42
-
- I'm looking for any references to work people may have done on methods
- of viewing, and visualizers for, pyramidal data structures, typically representing
- irregular meshes.
-
- I'm thinkimg in particular of the types of pyramid structure where there are,
- say, 4 levels representing nodes, lines, surfaces and elements. Data (scalar or
- vector) may be stored along with items at each of these levels, and I'm
- interested in different ways of extracting information about the structure in a
- sensible and flexible way.
-
- I'm aware of many of the methods, and have coded a few examples, but what we
- intend doing is writing a generic pyramidal data structure visualizer, and I'd be
- interested in any comments people may have. For example, it is fairly trivial to
- get a *basic* view of the connectivity of the mesh by simply plotting the lines -
- viewing information at nodes may be done by simply colouring those nodes -
- however, when it comes to visualising values at the elements and surfaces, things
- start to get interesting......
-
- Does anyone have experience of use of slicing algorithms for such structures ? -
- has anyone integrated volume visualisation into such systems ? Is reduction to a
- regular lattice/voxel data type structure sensible for further processing ?
-
-
- I'd appreciate any feedback - of course, if anyone has already done something
- like this, then I'd be very happy to hear from them.
-
- Oh - as a bit of an explanation, some people here are looking at hooking such a
- visualisation system up to parallel simulations using one of the projects being
- worked on here. The plan is to have the paralell utilities library hooked up to a
- visualisation system, and updating individual node/face/element values in real
- time. The hope is to do things like observe load balancing mesh decomposition
- strategies, monitor the progress of mesh based simulations, and eventually have
- some sort of feedback control.....
-
- Many thanks,
-
- -G.
-
- --
- e|p Gordon Cameron | Phone:+44 31 650 5024(Rm. 2259)
- c|c Edinburgh Parallel Computing Centre | Email: gordonc@epcc.ed.ac.uk
- oOo The University of Edinburgh oOo | 'So far so good, so now so what'
-