Re: things for 3.0

[Shai Ayal]

On 10/12/07, David Bateman <address@hidden> wrote:
> John W. Eaton wrote:
> > I'd like to do the following for 3.0.
> >
> >   * Update various README files.
> >
> >   * Update NEWS file.  There is no way we are going to try to mention
> >     all the changes since 2.0.17 or even 2.1.73, but we should mention
> >     important user-visible changes that could cause backward
> >     compatibility problems.  Are there additional items that we should
> >     mention?
> >
> >   * Update the refcard.
> >
> >   * Update installation instructions.
> >
> >   * Remove obsolete files (for example, is FLEX.patch still needed?)
> >
> >   * Any other similar items?
> >
> > As none of these items involve code in Octave itself, I think they
> > should be safe to do between 2.9.15 and 3.0 with little testing.
> >
> > Comments?
> >
> > jwe
> >
> >
> >
> >
> There is one handle graphics bug that should be addressed before 3.0.
> That is the multiple patch problem.. My test case for this issue is
> something like
>
> t1 = (1/16:1/8:1)'*2*pi;
> t2 = ((1/16:1/8:1)' + 1/32)*2*pi;
> x1 = sin(t1);
> y1 = cos(t1);
> x2 = sin(t2);
> y2 = cos(t2);
> h = patch([x1,x2],[y1,y2],cat (3,[0,0],[1,0],[0,1]));
> pause(1);
> set(h,'FaceColor','r');
>
> showing two patches drawn that are blue and green that can then both be
> changed to red using the handle.. I don't think this needs fixing for
> 2.9.15, but for 3.0 it definitely should be fixed.

I attach a patch for __patch__.m which fixes this bug.

2007-10-12  Shai Ayal <address@hidden>

        * plot/__patch__.m: will now return handles of all patch objects created



> If this is fixed, it
> would be easy to add a fill and fill3 function (though fill3 would be
> non functional with gnuplot it would set the properties of the object
> correctly) as the patch function itself does all of the work and they
> should probably be added. Perhaps also Kai's contourf changes, but that
> and the fill/fill3 might be addressed in a post 3.0 release if you prefer.
>
> D.
>
> --
> David Bateman                                address@hidden
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__patch.patch
Description: Binary data