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Maintain angle of line ROI

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Maintain angle of line ROI

Michael Doube
241 posts
Dear all

I have a user who wants to set the angle of a line ROI then extend the
ROI to measure an object, while maintaining the line ROI's angle.

I see that Shift + drag snaps ROI angle to 0 or 90 degrees, Ctrl + drag
locks the position of the mid-point of the ROI and Alt + drag locks the
length of the ROI. Ctrl + Shift + drag and Ctrl + Alt + drag do combined
locks.

Am I missing an obvious keyboard input that would lock the angle and
allow changing length?

Michael