MathGroup Archive 2008

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Polygon cutter

  • To: mathgroup at
  • Subject: [mg87989] Re: Polygon cutter
  • From: Oliver Ruebenkoenig <ruebenko at>
  • Date: Mon, 21 Apr 2008 14:35:58 -0400 (EDT)
  • References: <fueen3$b74$> <fuhfeo$ikb$>


On Mon, 21 Apr 2008, carlos at wrote:

> Well, tell me how ContourPlot can be used for an arbitrary finite 
> element mesh,
> which may have arbitrary geometry, topology and element type 
> combinations,
> when the data is only known at the nodes (or at Gauss points).

the function

imsUnstructuredContourPlot[ co, inc, val ]

co = coordinates
inc = incidences
val = values at the nodes

which you can get here :

can do it.



> Last I heard, ContourPlot only works for a rectangular region and the function
> must be provided as, well, a function. It has its uses, but not in FEM plotting.

Oliver Ruebenkoenig, <ruebenko AT>

  • Prev by Date: Re: Problems to find the local extrema of an InterpolatingFunction
  • Next by Date: Converting Power terms to Times terms
  • Previous by thread: Re: Polygon cutter
  • Next by thread: Re: Polygon cutter