How to plot actual 3D Contours with MATLAB !?

Hi everybody

I have a data set of points (XYZ as the coordinates) and V as the value at each point. (Each of these 4 data sets (X,Y,Z,V) are vectors e.g. 1x1000 vectors.) Also I have another vector F (e.g. 1x3000) containing faces which describes the connection of vertices. I've plotted the 3D surface using patch command. (by the use of faces & vertices)

Now here goes the problem :

How can I plot the contour lines of V (and NOT Z ) on the 3D surface !?

(Actually the contour3 function plots 3D contour lines of Z ; But I need contour lines of V. ) I want some type of function or command that gets x,y,z and plots contours of V.

Actually I want something like the pictures below :

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Thanks a billion for your help.

Answer 1

[Omid Adljuy]

Somebody PLEASE help me . . .

This is really urgent for me.

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/29922-why-your-question-is-not-urgent-or-an-emergency