Re: Q: smooth 3Dplot with big mesh
- To: mathgroup at smc.vnet.net
- Subject: [mg20869] Re: [mg20837] Q: smooth 3Dplot with big mesh
- From: "David Park" <djmp at earthlink.net>
- Date: Thu, 18 Nov 1999 01:09:45 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
> howdy,
>
>i need to plot this function (Cylindrical Coordinates)
>
>Sin[5 f]
>
>So i load the package <<Graphics`ParametricPlot3D` an use
>
>CylindricalPlot3D[
> Sin[5 f],
> {r,2,4},
> {f,0,2 Pi}
>]
>
>I would like to have a smooth curve, so i add
>
>PlotPoints -> 100 (ok now its real smooth ;-)
>
>but now there is an ugly black mesh drawn on the graphic. I can't see
>anything. Is there a way to make a smooth plot with y cylindrical mesh
>having reasonable spaces (e.g. drawing the mesh for every 6th
>calculatet point or something like that)
>
>Greetings
> Christoph
>
>PS: its Mathematica 3 under NT
>
>--
>the adress is valid
>for faster reply use handel at the same host
>
>
Christoph,
You just need to use a different number of plot points for the two coordinates. This
gives a nice plot.
CylindricalPlot3D[Sin[5 f], {r, 2, 4}, {f, 0, 2 Pi}, PlotPoints -> {8, 71}];
David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/