How to plot the gradient vector

 
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seblag



Joined: 18 Oct 2007
Posts: 1

PostPosted: Thu Oct 18, 2007 11:33 am    Post subject: How to plot the gradient vector Reply with quote

hello,

I am a new user of K3DSurf and I want to know if it is possible to plot the gradient vector of a contstaint.
For example :
Consider the isosurface defined by F(x,y,z)=0 and the condition g(x,y)<=0
I want to plot the gradient vector of g, i.e. ( dg/dx , dg/dy).
Is it possible.
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nextstep
Site Admin


Joined: 06 Jan 2007
Posts: 538

PostPosted: Thu Oct 18, 2007 9:19 pm    Post subject: Reply with quote

Hi all,
Welcome seblag in the forum Smile
It's not possible to draw a gradient vector in some points of the 3D space with K3DSurf. Right now, Normal vectors are the only ones that K3DSurf can draw.
Also, if you have a picture or a sketch of an example of what you want to draw, you can post it here by using this free image uploading service : http://www.uploadgeek.com/
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Cheers,
Abderrahman
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