Show given image, and then plot given GGPlotD context on top of it.
Plotted data on top of the image.
Title of the window. If none given (default), window is named by "Figure id".
If figure with given title exists already, that figure is returned, otherwise new figure is created and returned.
ContextNotInitialized
See Implementation
Show given image, and then plot given GGPlotD context on top of it.