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From: | Michael Goffioul |
Subject: | Re: [OctDev] Java/OpenGL-based graphics package for octave |
Date: | Tue, 24 Apr 2007 09:54:16 +0200 |
On 4/24/07, Daniel J Sebald <address@hidden> wrote:
John W. Eaton wrote: > It's not quite that easy. If you look at the object that Matlab's > stem function returns, it only says hggroup for the type. I don't see > anywhere that it says "stemseries" or how that is determined. Maybe > it is a hidden property? Maybe it is magic? I'll guess the latter. Well, I assume hggroup is just a bunch of handles grouped together. The children would be all the individual stems. I'm guessing.
In Matlab, a stemseries object has 2 children: - a line object for all stems: the key here is that the original x/y data are converted into [x0 x0 NaN x1 x1 NaN...] [B y0 NaN B y1 NaN...] where B is the base value; line segments containing NaN are not drawn by Matlab - a line object for the markers The base line is a (extended) line object that is a child of the axes and shared by all stemseries objects within the same plot. Michael.
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