Template:Site plan/doc

Display an image such as a site plan or map with another image superimposed on it. The position of the superimposed image is relative so that changing the size of the underlying image does not invalidate the position of the second image.

Use
Coordinates can contain a decimal point, e.g. "50.5". 

Examples
To display a semi-transparent red circle with mouseover tooltip in an image (move mouse over the circle): 

produces:

Demonstration of the out of range warning: 

produces: