Re: Line pointed to center of circle

[Kaminar <Kaminar seznam cz>]

I thought you are developer. :) Thank you for trying to help.

Karel

> No need for me to look at it as I am not a developer.  I am just trying to
> help find an existing method that can do what you want, and maybe clarify
> the desired function.  Perhaps Steffan or Hans will like to see the video.
>
> If you have explored the function of ellipses and lines then you know what
> can be done and what cannot.
>
> Now you have to try to make a sufficient case to get the enhancement coded -
> or learn to do that yourself.  If you are the only person who ever wanted
> this, then you may find that developing it yourself is best.
>
> Sorry,
>
> Mike
>
> On Mon, Sep 19, 2011 at 5:55 PM, Kaminar <Kaminar seznam cz> wrote:
>
> > > 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
> > > > _______________________________________________
> > > > dia-list mailing list
> > > > dia-list gnome org
> > > > http://mail.gnome.org/mailman/listinfo/dia-list
> > > > FAQ at http://live.gnome.org/Dia/Faq
> > > > Main page at http://live.gnome.org/Dia
> > >
> > >
> > > --
> > > Put this question to yourself: should I use everyone else to attain
> > > happiness, or should I help others gain happiness?
> > > *Dalai Lama *
> > >
> > > To invent, you need a good imagination and a pile of junk.
> > > Thomas A.
> > > Edison<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
> > >
> > > A public-opinion poll is no substitute for thought.
> > > *Warren Buffet*
> > >
> > > Michael E. Ross
> > > (919) 550-2430 Land
> > > (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google
> > Phone
> > > (919) 631-1451 Cell
> > > (919) 513-0418 Desk
> > >
> > > michael e ross gmail com
> > > <michael e ross gmail com>
> > _______________________________________________
> > dia-list mailing list
> > dia-list gnome org
> > http://mail.gnome.org/mailman/listinfo/dia-list
> > FAQ at http://live.gnome.org/Dia/Faq
> > Main page at http://live.gnome.org/Dia
>
>
> -- 
> Put this question to yourself: should I use everyone else to attain
> happiness, or should I help others gain happiness?
> *Dalai Lama *
>
> To invent, you need a good imagination and a pile of junk.
> Thomas A.
> Edison<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
>
> A public-opinion poll is no substitute for thought.
> *Warren Buffet*
>
> Michael E. Ross
> (919) 550-2430 Land
> (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
> (919) 631-1451 Cell
> (919) 513-0418 Desk
>
> michael e ross gmail com
> <michael e ross gmail com>