Plotting 4 column of data
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Hi everybody
I have obtained 4 column of data from an experiment. They are X, Y, Z as positions and d as density.
This density is the electron density around an atom.
I want to plot this data in such a way that d represents the color and wherever d is low, there is light color and wherever d is high, there is a dark color.
I imported the data to matlab and selected surf function but the 3d curve is very inaccurate and ugly :D
How can I plot such a curve? I am a beginner in matlab by the way.
Thanks :)
1 comentario
Walter Roberson
el 25 de Mzo. de 2013
Are the X, Y, Z regularly spaced, or are they irregular? Is there only one Z per (X,Y) combination ?
Respuestas (3)
Ilham Hardy
el 25 de Mzo. de 2013
Hi reza,
How do you define the very inaccurate and ugly graph? can you post the resulted graph? By the way dou you need curve or 3d-shaded surface? If you need the latter, surf is the correct choice.
See more documentation of the surf, by typing doc surf in you rcommand window..
See also..
0 comentarios
Kelly Kearney
el 25 de Mzo. de 2013
Try scatter3. Assuming data is your n x 4 matrix:
scatter3(data(:,1), data(:,2), data(:,3), [], data(:,4), 'filled');
17 comentarios
Walter Roberson
el 26 de Mzo. de 2013
What is min() and max() of the d data?
Try using the rotate to move the image around. The solid-looking background: does it turn out to be organized into planes, more or less? If you pan to move the edges into or out of view, does a "wall" disappear?
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