longduckdong

Surfer 8 Contour Map

6 posts in this topic

I need help trying to figure out how to keep the contours within a defined area. I can specify the maximum and minimum x and y boundaries but the shape of the area I am using is more like a trapezoid and the contour lines are going outside the area because the program things it is a square.

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  • Digitize a boundary polygon and save to the BLN file format.
  • Open the BLN in the Surfer worksheet and change cell B1 from 1 to 0. Save the changes.
  • In the Plot window, choose Grid | Blank.
  • Create a map from the new GRD file.

Thanks,

Tom B

RockWare Inc

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I need to apologize but I am still confused. Do I digitize the polygon that I have already created in the drawing? How many points should I get? When I open the BLN in a worksheet is it the worksheet that contains the coordinates for the contour map, or do I open a new Worksheet? Once I create the BLN file and change the cell B1 from 1 to 0 and save the changes do I create a Grid file from that?

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I'm glad that you got it all working. Thanks for letting me know.

Tom B

RockWare Inc

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