4.2 The Bounding Box
Generally, an object is just a visible thing on the canvas, a part of your drawing. Of course it’s not always that simple; sometimes, what looks like a separate object is either a part of some other object or a combination of several objects. Identifying individual objects may require some work and Inkscape experience.
Nevertheless, whenever an object is visible on the canvas, we can measure its size and position, using the familiar rectangular coordinate system, with a horizontal X axis and a vertical Y axis. In Inkscape, the coordinate origin is always in the bottom-left corner of the page frame (usually visible as the gray frame on your canvas), with Y values increasing upward and X values increasing to the right.
Note
However, ...
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