Oh, sorry -- right, it was just that molecular surface that had that issue.
No those aren't NaN. You can set whatever color scheme you want, including
your own, with as many colors as you want. So you might consider doing that.
The standard "palette" has 32 colors, I think.
The default number of contours is 10. But you can set that to anything you
want.
isosurface plane {1 -1 1 -1} map contour 60 molecular fill nomesh
The trick there is to make sure you use "fill nomesh", as the default for
contours is "mesh nofill" --- i.e. contour lines.
Bob
On Thu, Sep 3, 2009 at 1:54 PM, Sergio Losilla <[email protected]>wrote:
> Thanks for the fast reply.
>
> Hmm, and why are they NAN values? I'll try to explain the particular
> case of the function I am plotting. I have two gaussian charge
> distributions, with opposite signs, at a distance of each other, with a
> bit of overlap. When I map onto a plane, I see two circles (blue and
> red at the center), the borders of them are yellow, and everything in
> between is empty. Why are they NAN when there in that area they are
> values close to 0?
>
> On the other hand, I can increase the plotted area -nearly filling the
> plane-, if I play with the color range, but I lose resolution in the
> center of the gaussians. Is it possible to tune more finely the
> resolution of the color gradient?
>
> If not, I will stick to the plane suggestion, the only problem was
> finding the right color...
>
> Sergio
>
> On Thu, 2009-09-03 at 10:55 -0500, Robert Hanson wrote:
> > There's no way to extend those, because the numbers outside of the
> > region you see are "Not-a-Number" values -- they don't exist. BUT you
> > can simply overlay a plane just slightly behind that one that is, for
> > example, solid blue, and it will fill in the rest of the plane.
>
>
>
>
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--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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