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Weird things with catenary.


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There seems to be something weird with the catenary system. Some times it does it and sometimes it doesn't, but if you try and stretch a catenary, for some reason it will sometimes "snap" back to about 1 scale metre long. The attached video shows the stretch working on one track, but having this weird bug happen on the other.


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This happens when the catenary-spline is not straight, but a curve with a very high radius. It can only extend or remove a minimum fraction of a degree from that curve.
You can checkt if this is the case in the properties of the catenary.
You may be able to fix this by using the red x-handle in the gismo, so it snaps back to a straight.

Edited by Sintbert
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