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Images
Images are 2D arrays of pixels with 2 axis, X and Y. Coordinates are normalized, bottom left of the image is (0,0) the center of the image is (0.5,0.5) and top right is (1,1). Images can also be accessed as pixels as well.
Aspect Ratio is supported for nonsquare pixels.
Proxy sizing is also a part of the process with sizes of the original image and proxy size available to the plugin.
PIxels are accessed directly in images in the X and Y directions from 0 to Width -1 for the X axis and 0 to Height -1 axis for the Y axis, the Bottom Left is pixel (0, 0) and Top Right is (Width-1. Height -1)