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Scilab 5.2.0 Canvas

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Leland C. Scott

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Dec 21, 2009, 9:34:28 PM12/21/09
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When is the silly business with not being able to mix uicontrols and
graphics going to get fixed? There were no problems with the 4.x series now
I have two machines where scilab is next to useless, the 5.x series, because
it can't do graphic plots, the scripts cause scilab to die and shuts down
completely!

Both machines have the Intel graphics chip set, and no I'm not going to
screw around loading different graphics drivers, everything else works
meaning all of the other software I have. The older 4.x series works fine on
the same hardware. Scilab should work out of the box with what ever graphics
system is in the machine.

The silly message that pops up saying to type "help use canvas" does nothing
more than generates a pop-up help box when you try it. The contents
displayed has nothing to do with "canvas". In fact if you try a search on
"canvas" nothing is found.


--
Regards;

Leland C. Scott
KC8LDO

"There is only one boss. The customer.
And he can fire everybody in the
company from the chairman on down,
simply by spending his money somewhere
else."

-Sam Walton


Tim Wescott

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Dec 22, 2009, 12:32:30 AM12/22/09
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On Mon, 21 Dec 2009 21:34:28 -0500, Leland C. Scott wrote:

> When is the silly business with not being able to mix uicontrols and
> graphics going to get fixed? There were no problems with the 4.x series
> now I have two machines where scilab is next to useless, the 5.x series,
> because it can't do graphic plots, the scripts cause scilab to die and
> shuts down completely!
>
> Both machines have the Intel graphics chip set, and no I'm not going to
> screw around loading different graphics drivers, everything else works
> meaning all of the other software I have. The older 4.x series works
> fine on the same hardware. Scilab should work out of the box with what
> ever graphics system is in the machine.
>
> The silly message that pops up saying to type "help use canvas" does
> nothing more than generates a pop-up help box when you try it. The
> contents displayed has nothing to do with "canvas". In fact if you try a
> search on "canvas" nothing is found.

They switched to OpenGL with Scilab 5.x, which is where the problem comes
from. If it really puts your knickers in a twist you can try ScicosLab.
I did, ultimately decided that I liked the new features of 5.x better
than what was lost (although I'd still like to see some things fixed),
and came back to Scilab.

--
www.wescottdesign.com

Leland C. Scott

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Dec 22, 2009, 2:02:59 AM12/22/09
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I use the graphic features and having scilab bomb out isn't really going to
work for me. I really don't see why switching to OpenGL should have any
major impact. I'm sure other packages use the same libraries. If they were
at fault it would have been noticed and fixed. That leaves open why is it
such a problem for the scilab developers?

Getting proficient with scilab requires a siginificant effort and its not
worth it if there are major problems that are not being addressed, at least
from the end user's point of view.
I'm floored that a recommendation, that pops up in the console, and you
can't even find it in the help system is not building confidence in the
robustness of the software.

I like scilab as well however the developers do need to hear that some
outstanding problems need to be addressed. I think the graphics issue is
something more effort needed to be expended on to find a solution.

Regards;

Leland C. Scott
KC8LDO
--
The right to practice in one's chosen profession is a Constitutional liberty
[Gibson v. Berryhill, 411 U.S. 564, 571 (1973)] that is violated by visas
that force Americans to train their foreign replacements or otherwise
result in displacement by foreign workers.


"Tim Wescott" <t...@seemywebsite.com> wrote in message
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