Re: Line pointed to center of circle

[Kaminar <Kaminar seznam cz>]

> Regarding your discussion of blocks, do you mean a group?

No, I don't mean group. I mean only select some objects with mouse.
I captured video of this problem in Dia. If you agree, I can send you this
video on your private email. Video length is 3.7MB. Zipped with 7zip video
length is 2MB.

Karel

> I recall some odd behavior with lines and groups, as if Dia remembered the
> old location after a move.  I have stopped using the anti-aliasing since
> then, I can't think of why else this has stopped being a problem.
>
> I don't think I can reproduce the trouble.
>
> When a line is in a group it becomes static.
>
> Karel said:
>
> The line is snapped to center as long as mouse button is pressed, but after
> release mouse button the line skip from circle center to border regardless
> of snap option (this is not due to the line is not visible, because in my
> try circle background was off).
>
>
> This is the same behavior I was referring to.  When you are placing the line
> on the circle it shows the whole line, but when you release it the part of
> the line from the border to the center is invisible.  If you move the circle
> the line clearly is attached at the center, it moves around
> the circumference rather than being attached to a connection point on the
> circumference.  This is nice if you want to put some text of other item
> inside the circle, and not see the ray behind it.
>
> You are asking for a behavior that is common in a CAD program where lines
> are snapped to the center and remain visible.
>
> There are 8 attachment points on the border of an ellipse or circle where
> the major and minor axes are located.  You can attach a line to them and to
> the center, and it will remain visible.
>
>
>
>
> On Mon, Sep 19, 2011 at 8:37 AM, Kaminar <Kaminar seznam cz> wrote:
>
> > > It never hurts to mention which version of Dia you are using and the OS.
> >
> > I tried it in Dia 0.97.1 in Ubuntu 10.04. But described behaviour I
> > observed in previous Dia version too.
> >
> > > With object snap turned on.
> > > If you create an ellipse and set it to be a circle, and turn the back
> > ground
> > > off,
> > > then draw a line to it,  the line will snap to the center, but the line
> > is
> > > not visible within the circle.
> >
> > The line is snapped to center as long as mouse button is pressed, but after
> > release mouse button the line skip from circle center to border regardless
> > of snap option (this is not due to the line is not visible, because in my
> > try circle background was off).
> >
> > > If you want to draw a line that is a visible ray from the center of the
> > > circle,
> > > Dia does not do this with snapping and connection,
> > > thus when you move the circle the visible ray is left behind.
> >
> > I didn't mind moving only circle alone. I have minded the moving of
> > selected block, which covers circle and line together. After moving circle
> > and line together, the line point skips from center to border of circle. It
> > seems like unwanted behaviour, because it changes objects inside selected
> > block after move.
> >
> > Karel
> > _______________________________________________
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> > dia-list gnome org
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> > FAQ at http://live.gnome.org/Dia/Faq
> > Main page at http://live.gnome.org/Dia
>
>
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