Re: Connecting line to line

["loli" <loli unsa edu ar>]

On Wed, 15 Mar 2006 21:52:35 +0000, Martin Gleadow wrote 
> loli wrote: 
> >     
> >     
> > > From time to time a question about connecting lines appears at the list     
> >      
> >  I think I found  a very easy way to get it done by using the standard    
> > ellipse  as a conection point: The ellipse can be made as small as you 
want    
> > so  nothng extra can be seen.      
> > I think it works all right.     
> > I attach a diagram and its correponding .png with the intention to show 
how    
> > to join two lines:    
> > First, (inferior part of diagram), showing a big ellipse to join the 
lines.    
> >     
> > After they are really connected, the ellipse is made to decrease in size    
> > until we see just a green dot.    
> >     
> > Now, as usual, we can break the connection by dragging one of the lines    
> > (without touching any of its control points). And change the shape size 
or    
> > position of lines moving (for this example) its free end point.    
> >     
> > The central part of diagram looks like a polyline; but it is formed by 
two    
> > lines joined with an ellipse.    
> >     
> >     
> > The upper part looks like just a line but again it is formed by two 
lines    
> > joined with an ellipse 
>  
> That sounds like it will work, but doesn't seem a very elegant  
> solution.   In addition, when I zoomed in as close as I could then  
> tried to further minimise the ellipse Dia crashed on my repeatedly  
> (0.94, installed via apt on Ubuntu) 
>  
 I did not print the diagram to see its quality in paper. Sorry it is not 
good enough.  
 
> I see 2 options here: 
>  
> 1) allow the creation of arbitrary zero size connection points which  
> can be added to the diagram for this purpose 
 
 (this I tried to get with the ellipse...) 
>  
> 2) Allow the end of a line to act as a connection point.  
Handles and connection points are very different in behabior; 
 Perhaps  lines could have  each ending  being  switchable between handle or 
connection point; but this seems quit a change and probably would need  lots 
of programming. 
 
 
>  
> MG. 
>  
> -- 
>  
> Martin Gleadow 
> jez arafel org uk 
>  
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--   
Loli  
loli unsa edu ar