Re: Connecting line to line

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 see 2 options here:

1) allow the creation of arbitrary zero size connection points which can be added to the diagram for this purpose

2) Allow the end of a line to act as a connection point.



Martin Gleadow
jez arafel org uk

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