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 Plane (y-z)of intersection at x where z is max		  New Topic  Reply to Topic
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Ray111

Israel
Posts
Posted - 06/11/2005 :  5:56:37 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi
I am pretty new regardiing 3D plotting in Origin(6.1) using matrix
In Labtalk I wanted to do following things:

I have a matrix that when plotted produce a 3D surface.
1) I want to draw planes parallel to y-z axis at at certain x where the vaues of z is maximum ( i,e has peaks).Actually my z has 2 peaks as I can see from 3D graph.
2) and need all coordinate of intersection of that plane with the surface(i,e set of values (y vs z) at that x ) so that a 2D graph of ( y vs Z can be drawn )
Do any body know how to proceed in Labtalk to do such procedure.

thanks

greg

USA
1380 Posts
Posted - 06/20/2005 :  3:28:14 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Origin cannot display surfaces other than as a function of X and Y, however our profile plots do exactly what you are looking for.

With your matrix active, select
Plot : Profiles / Image
or
Plot : Profiles / Contour

The movable lines represent Y-Z and X-Z planes and the outlying curves show the Z values at their intersections of the planes with the surface.




Edited by - greg on 06/21/2005 10:36:56 AM
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