Re: Slow work of some List functions in Mathematica 6
- To: mathgroup at smc.vnet.net
- Subject: [mg77240] Re: Slow work of some List functions in Mathematica 6
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 6 Jun 2007 06:50:59 -0400 (EDT)
- Organization: Uni Leipzig
- References: <f36dhc$74s$1@smc.vnet.net> <f43i3t$3j6$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, but for ArrayPlot[] one has to reverse the image array and to revert the color function to GrayLevel[] .. Regards Jens ucervan at gmail.com wrote: > For discrete data, as in image processing, the most optimal way is to > either use ArrayPlot[] or Raster[]. For continuous data, and if you do > not care about using Interpolation, arbitrary MeshFunctions, > RegionFunction, etc, use ListPlot3D[data,MaxPlotPoints- >> Infinity,PerformanceGoal->"Speed"], the MaxPlotPoints->Infinity will > use all your data, the default value of MaxPlotPoints will downsample. > > Also, notice that the visualization functions ListXXX are vertex > based, which means that you will not get the discreet steps that V5.X > used to produce. > > > -Ulises Cervantes > WRI > > >