An unusual problem here! I remember using another SCADA package years ago, which had an impressive looking demo that customers liked (despite it being relatively impractical). It had a button that could be moved about within a container. This acted like a joystick and updated a couple of variables, which were used to animate a robot arm with a couple of joints.
I have tried to replicate this in Ignition with mixed success. The joystick control seems to work OK (although it sometimes throws up NullPointerExceptions which keep happening until the window is reloaded?). However, the rotation of the 2 parts of the ‘robot’ is not working well at all. I tried to rotate the ‘forearm’ part with the y variable and the whole arm (as a group) with the x variable.
I have attached a window which shows what happens. It would be nice to know the reason for the rather spectacular results! I think part of the problem might be that the rotation point of a group changes as the shapes within the group change, throwing everything off in some kind of positive feedback loop, but I’m open to suggestions.
Joystick control.proj (8.16 KB)