Re: 0.95-pre1 bug with Arc connectors.

[Lars Clausen <lars raeder dk>]

On Wed, 2006-02-15 at 10:55 -0500, Rob McDonald wrote:
> > the Dia for Windows 0.95-pre1 installer is available from
> > http://dia-installer.sourceforge.net
>
>
> I'm not sure if this is a Windows problem, or a problem general to
> 0.95-pre1.
>
> On 0.95-pre1 Windows, arc connections sometimes vanish.  This behaves
> somewhat like a problem with a trig function.  Maybe a classic atan vs.
> atan2 issue.  Basically, when you grab the control point and try to adjust
> how curved an arc is, for some ranges of arc, the line disappears.  This can
> be worked around by switching the starting and ending points.  Then, the
> point of dissappearance is reversed...

Are these accurate steps to reproduce what you see:

Make a new diagram
Turn on snap-to-grid
Draw an arc between two adjacent grid points
Move the arc midpoint back and forth -- on one side it disappears, on
the other it's there.

-Lars

-- 
Lars Clausen (lars raeder dk, larsrc gmail com, http://lars.raeder.dk)
"I do not agree with a word that you say, but I will defend to the
 death your right to say it."
    --Evelyn Beatrice Hall paraphrasing Voltaire