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how to draw contour map from scratch

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Message 1 of 3
adedola
2417 Views, 2 Replies

how to draw contour map from scratch

Hi,

 

   I am trying to draw/create my own contour map from scratch. I am going to draw chemical concentration contours on a site rather than elevation contours. Can anybody please help and give me info on how to do this? Thanks.

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Message 2 of 3
pendean
in reply to: adedola

Would you like to use PLINE command?
or lines and arcs?

Do you have the points drawn or tagged in the file? Or in a spreadsheet?

LT is a generic drafting tool: the pencil-and-paper of the CAD world, it has no built-in abilities to draw either contour map types without user-focused time-consuming drafting.
Message 3 of 3
ScottHodges
in reply to: adedola

I am assuming you already know how to interpolate contours from sample points and only need help with the AutoCAD part. I mean, draw a line from one sample point to it's nearest neighbour, calculate the positions contours will intersect the line. When you have done this for all sample points, draw polylines connecting the points on the same concentration contour.

Scott Hodges

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