I found you by google, and was really glad to have found this tip.

But dismay! When I tried it out, it didn’t quite do what I thought it did.

I wanted to add arrows to an arc of a circle to indicate an angle; using your method, the arrows didn’t quite point along the tangent of the circle

My workaround which I wanted to share here was to draw three identical straight lines, and rotate them. I left the first horizontal, the second at half the angle I wanted, and the third at the full angle.

I then aligned the points at one end of all three lines at the same point: \|/. Because they are the same length this is like three spokes of a bicycle. I drew a fourth line between the first and third lines, making a triangle with the second line bisecting it.

I set the fourth line to be a straight line, but added a bezier point halfway along and pulled it out to make more of a kite shape.

Then I used your trick of setting the curve to be a very high value, and dragged the bezier point until the centre of the fourth line coincided with the end of the second.

Now I have a lovely arc in a pretty accurate curve, and my arrow points are nice and perpendicular to the line from the origin.

Sorry that’s been so verbose: it’s really easy to see in a picture, but takes about 1000 words to describe… Hope it helps someone.

T

google got me here and you saved my day with this “Trick”.

Thank you so much!

Cheers
Boris

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