At any given moment, Graphics has a mode. The Graphics mode determines how gestures will be interpreted. The graphics mode is determined by values for Smooth, Open, Filled and, Track settings for Graphics
Lines Needs two touches, the end points. Needs two touches, the end points of one of the two diagonals(anyone will do) With Track 'ON'.
Circles and Ellipses Needs two touches, the end points needed for the rectangle in which it will be inscribed.    With Track 'ON'.
Filled areas Arbitrary Closed CurvesOne touch, continuous movement Cropping a Pano to a closed curve A graphic unfilled curve can be used to crop a pano. Choose the image(here from Roll) Create a closed curve(1) on top. Adjust the curve by zooming/moving the layer, press 'i'(info button), pick the details
Turn use as crop on, press 'Done' Save the pano(current image is Load the saved image. not cropped)
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