casualmasters Posted March 14, 2009 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
CarlB Posted March 14, 2009 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
casualmasters Posted March 14, 2009 Author Posted March 14, 2009 would u plz explain a bit more Quote
Lee Mac Posted March 15, 2009 Posted March 15, 2009 This is quite a task - see here: http://www.cadtutor.net/forum/showthread.php?t=32556 Quote
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