There are different concepts at play here:
1) size of the window containing the gauge.
2) size of the gauge within the window.
3) position of the gauge within the window.
4) all the above can be stretched to any size, which is implying any 'offset' whether y = y+3 or h = h-3 will stretch too.
The easiest is the border.size setting in order to render a border/edge around the gauge screen pixels within the popup window. Unlike the position/dimension in the gauge#
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