On 05 May, Martin Wuerthner <lists@xxxxxxxxxxxxxxx> wrote: > In message <347f3a224e.eddie@xxxxxxxxxxxxxxxxxxxxxxxxx> > Eddie Lord <riscos@xxxxxxxxxxxxxxxxxxx> wrote: > > In message <85cfc8214e.martin@xxxxxxxxxxxxxxxxxxx> > > Martin Wuerthner <lists@xxxxxxxxxxxxxxx> wrote thus: > > > >> While we are discussing the name for the new arrowhead option I > >> noticed that while working on the arrowheads this might be a good time > >> to add new ones as well. > >> > >> In the medium term I would like to add user-defined arrowheads, which > >> should not be too difficult, but it will not make it into 2.6. It > >> might be a nice bonus to have at least a few nice new arrowheads in > >> ArtWorks 2.6 (and the associated AWRender). > > > > Can I remind you of an arrow request I put in a few months ago? > > > > Can we have one that ends in an open circle please? > > > > i.e. o----------o > Thanks for reminding me. Sounds like a good idea. You got it. ;-) > I will probably do a new filled circle arrowhead, too. The "blob" > arrowhead that we have is very ugly - it is not a proper circle. > With both the filled and unfilled circles, there remains one question, > however: Where exactly should they be positioned with respect to the > line anchor point? It is clear for the old non-integrated arrows - the > arrowhead starts at the line end, i.e., where the anchor point is. In > the integrated case, the tip of the arrow is placed on the anchor > point, but what exactly is the tip of such an arrow? One could argue > that it is the centre of the blob or the open circle. This would allow > you to position the centre using the anchor point, which is useful if > you want to use the filled circle arrowhead to label something. > Similarly, if you use the open circle arrowhead to denote an open > interval in a graph, then you will want to position the centre of the > circle. So, I think this is how it should work. And some users may like an open circle with a dot in the centre - with the dot at the anchor point. -- John Cartmell john@ followed by finnybank.com 0845 006 8822 Qercus magazine FAX +44 (0)8700-519-527 www.finnybank.com Qercus - the best guide to RISC OS computing