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I'm using tikz and want to have an arrow from one node that leaves and goes straight for a while and then splits into two arrows going to different nodes.

Here is a picture I drew a while ago. I now want to replace it with a tikz figure:enter image description here

Notice that one of the vertical edges goes straight for a while and splits into 2. Is there a way to do this cleanly? Let's say that the source is named source and the targets are named targetA and targetB.

I could specify the in and out angles so that they come out of source with the same slope, but I really want them to be the same edge for a while, not just be close to each other.

Bonus: is there an easy way to make the edge dashed while it overlaps a box to give the impression it's going behind the box?

closed as off-topic by Symbol 1, Zarko, Stefan Pinnow, CarLaTeX, gernot Apr 22 '17 at 21:18

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  • 4
    Since you are using Tikz show us please what you had done. – Sigur May 1 '15 at 15:04
  • Is the shared portion of the path always a straight line or could it be curved as well? – Paul Gessler May 1 '15 at 15:35
  • To get a smooth transition from the common, straight section to the split curved section, you will need to calculate the angle (slope) of the straight section using \pgfmathparse and atan() or atan2()(). – John Kormylo May 1 '15 at 15:52
  • @PaulGessler It will be a straight line – Joel May 1 '15 at 22:56
  • 5
    I'm voting to close this question as off-topic because OP did not put any effort in this question in the past 23 months, and probably will never do. – Symbol 1 Apr 22 '17 at 20:19

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