Assertion: coordinate system's unit | /r/CapableOf | equal one pixel
Facets:
value: in the viewport
type: LOCATION
Source sentences:
text: The initial viewport coordinate system is a coordinate system established on the viewport, with the origin at the top left corner of the viewport at point (0, 0), the positive x-axis pointing towards the right, the positive y-axis pointing down, and one unit in the initial coordinate system equals one “pixel” in the viewport.