casualmasters 10 Posted March 14, 2009 Share Posted March 14, 2009 hi Iam a beginner in autocad i have two questions first is i want to add the co-ordinates to the blue grid starting with which is located at the red point (1000,500) to be written on the drawing the second question is i want to export theses co ordinates to excel spread sheet with the elevation of each point which is taken from the contour lines i know that this forum is the best would any one help me lay out.zip Quote Link to post Share on other sites
CarlB 0 Posted March 14, 2009 Share Posted March 14, 2009 No way do do this in plain AutoCAD. Like your other request for creating TINs, this can be done using a survey software. The usual approach is to first use the contours to create a surface (such as via a TIN). It may be possible to create a lisp routine to interpolate a point elevation from the 2 enclosing contours but it would be quite an exercise and not as accurate as using a software package. Did you check out www.sitetopo.com, you may be able to create TIN's with this from contours. But still a leap to get points written to a grid. Quote Link to post Share on other sites
casualmasters 10 Posted March 14, 2009 Author Share Posted March 14, 2009 would u plz explain a bit more Quote Link to post Share on other sites
Lee Mac 514 Posted March 15, 2009 Share Posted March 15, 2009 This is quite a task - see here: http://www.cadtutor.net/forum/showthread.php?t=32556 Quote Link to post Share on other sites
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