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Drawing contour lines from nodes in a string file

This is a discussion on Drawing contour lines from nodes in a string file within the MapPoint Desktop Discussion forums, part of the Map Forums category; Can anybody help with this question? I seem to recall seeing a similar question here recently but can't recall it ...

  1. #1
    Anonymous is offline Senior Member Black Belt
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    Drawing contour lines from nodes in a string file

    Can anybody help with this question? I seem to recall seeing a similar question here recently but can't recall it exactly.

    I have X, Y, Z co-ordinates of nodes in a string file, representing nodes along contour lines on a map. Each group of nodes in the file, representing each of the contours, is separated by zero entries in the string file, so the entire file looks a bit like this:

    X,Y,Z
    5,3,24
    4,4,24
    3,5,24
    0,0,0
    6,4,23
    5,5,23
    4,4,23
    0,0,0
    etc.
    etc.

    Is there a simple way to get Mapinfo to draw each of the contour lines, and assign a level for each contour?

    Thanks in anticipation.

    Charlie Georgees
    Kagara Zinc Ltd
    Australia

  2. #2
    Eric Frost's Avatar
    Eric Frost is offline Administrator Black Belt
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    For MapInfo, see the MapInfo discussion list at: http://www.mapinfo-l.com

    MapPoint will do it if the X/Y are in latitude longitude (WGS 84 or NAD 83). The Z could be a range with integers 1-8 (you could massage your data to make it appear like this) and then you could have differently colored pushpins representing the Z portion.

    You could also draw contour lines using the AddLine method.

    Eric
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