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Control ListContourPlot and LabelContourLines

  • To: mathgroup at smc.vnet.net
  • Subject: [mg29257] Control ListContourPlot and LabelContourLines
  • From: "maxao" <maxao at aol.com>
  • Date: Fri, 8 Jun 2001 04:15:41 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Experts,
you helped me several times - probably this time again?!

I have a datafield like this...

data={{-11.2286, 27.7224, 0.413533}, {-9.21423, 27.7311, 0.277004},
{-7.20075,
27.7403, 0.149311}, {-5.1894, 27.7498, 0.0657319}, {-3.17762, 27.7587,
0.0115927}, {-1.16134, 27.7667, 0.0151311}, {0.859138, 27.7738,
0.0573092}, {2.88128, 27.7799, 0.0460667}, {4.90098, 27.7845,
0.0114131},....}

With...
Needs[''ExtendGraphics`Contour`''];
Needs[''ExtendGraphics`LabelContour`''];
... I start the necessary packages to show the datafield as a ContourPlot.

The next command is:
LabelContourLines[ 
ListContourPlot[data,Contours -> 15, 
ContourStyle -> {{RGBColor[1, 0, 0]}, {RGBColor[0, 1, 0]}, {RGBColor[0, 
0, 1]}, {RGBColor[1, 1, 0]}, {RGBColor[0, 1, 1]}, {RGBColor[1, 
0, 1]}}, DisplayFunction -> Identity], LabelFont -> 12]; 

This gives me a ContourPlot of my datafield - that is o.k.. 

My questions are: 
- the option ContourShading doesn't? - Is this correct in this package? 
- Is there any other way but the option Contours to control the step of the ContourLines? The ContourLines should drawn e.g. in steps of 1/100. With the option Contours is this quiet difficult - I have no idea how the package calculates to draw the ContourLines and show their labels. 

Perhaps anybody can help me. I hope my explanation of my problem is clearly explaned. 

Thank you very much, 

Martin 

(maxao at aol.com or m-bissinger at freenet.de) 







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