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MathGroup Archive 2007

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Re: ParametricPlot3D between two curves

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77746] Re: ParametricPlot3D between two curves
  • From: dh <dh at metrohm.ch>
  • Date: Fri, 15 Jun 2007 06:22:46 -0400 (EDT)
  • References: <f4tm6a$itk$1@smc.vnet.net>


Hi,

if you have version 6, lock up "RegionFunction" in the manual. Here is 

an example:

fun1[x_]=x^2;

fun2[x_]=2 x^2;

ParametricPlot[{Sin[u 

v],Cos[u]},{u,0,1},{v,0,1},RegionFunction->Function[{x,y},fun1[x]<y<fun2[x]]]

hope this helps, Daniel



chuck009 wrote:

> Suppose I have two lists of r and theta points that make up two curves in the x-y plane.  I'd like to be able to draw a parametric plot of a surface that only draws the component of the surface between these two curves.  I can create a table of the Polygons between the two curves directly but that's messy and time-consuming.  Is there no other way to do this type of graphics programming?

> 




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