On 21 Jan, Lars Clausen wrote:
> So you'd have to manually add the arrows on each line?  Or should this be
> part of the options box (both default and individual) for lines?
 It would be part of the line properties dialog.
 
>> splines
> I've started working on it (copying from orth_conn).  Now I don't know the
> first thing about bezier (so I'm very happy the drawing function is
> there:).  I notice that you require 4+3n points, is that because of the
> specific method you use?  Xfig has two splines with no such limit (at least
> not visibly).  But I guess I have to dig into it to figure out a bounding
> box. 
 Beziers are a bit different than splines, but there is a linear
 mapping between them. Try to search on the net or read some graphics
 book.

> We should also have a generic polyline, I think.  That should be even
> easier than bezier, possibly they should be derived from some common
> class.  There is a common element of making new midpoints that they should
> share, though I'd like to find a better way than Xfig's.
 Ok.
 
> Except for picture inclusion, I think dia is more usable than xfig for
> this.
> But this is a low-priority thing.  Just having multiline text removes a lot
> of bother.

 Picture inclusion is anothen feature not done...
 
> It's fun connecting lines at their midpoints and moving them around.  Looks
> almost 3D:)

 Yeah, i added that mostly to test the convergence of the connection
 updates, but it looks quite cool.

/ Alex


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