Re: Mathematica 3.0.0 on WinNT 4: Bug in Show[]

*To*: mathgroup at smc.vnet.net*Subject*: [mg8855] Re: Mathematica 3.0.0 on WinNT 4: Bug in Show[]*From*: w.cyrmon at htlwrn.ac.at (Werner Cyrmon)*Date*: Tue, 30 Sep 1997 20:16:15 -0400*Organization*: HTBLuVA Wr. Neustadt (edu)*Sender*: owner-wri-mathgroup at wolfram.com

Gregor Overney <overney at worldnet.att.net> wrote: >Please try the following code that should overlap a CountourPlot >together with a >DensityPlot using Mathematica 3.0.0 on WinNT 4.0. Any idea how to fix >this >problem? >If you are replacing PlotPoints->300 with PlotPoints->100 and >PlotPoints->200 with >PlotPoints->50, respectively, it should work, but then the quality of >the output is far >from publication quality. >I do not think that the problem is related to RAM size, nor do I believe >that a hardware >related problem (e.g. graphics board, CPU, ...) could cause this strange >behavior. >gregor >Func[x_, y_] = Sin[x^2*y - 4 x*y^2] + x*y; >Cont1 = DensityPlot[ > Func[x, y], {x, -nres, nres}, {y, -nres, nres}, > PlotPoints -> 300, Mesh -> False, ColorFunction -> Hue, > DisplayFunction -> Identity]; >Cont2 = ContourPlot[Func[x, y], {x, -nres, nres}, {y, -nres, nres}, > PlotPoints -> 200, Contours -> {0}, ContourShading -> False, > ContourStyle -> {RGBColor[0, 0, 0]}, DisplayFunction -> >Identity]; >Show[{Cont1,Cont2}, DisplayFunction -> $DisplayFunction]; It works fine (and whow, it looks good too!) on Mathematica 3.0.1 (I set nres=-Pi) and NT4 Ciao Werner