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contour of 2D data [message #70534]

Wed, 21 April 2010 02:33

mandrilhot
Messages: 5
Registered: August 2007

Junior Member

Hi folks,

I have a set of data points in the x,y plane and I would like to do a
contour plot, to highlight zones where there are more or less points.
One obvious way of doing it, would be to do a grid, count how many
points follow in a given grid and then use the contour.

But I was wondering if IDL has already the capability of doing so, by
avoiding me to go throught the gridding. I though to give to each
point (x_i,y_i) a weight z_i=1 and then simply

contour,z,x,y,/irregular

but just does not work. Any help?
Thanks!
M.

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contour of 2D data

By: mandrilhot on Wed, 21 April 2010 02:33

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