Overview slow with large number of nodes

@reinzor wrote:

Hi,

I am easily able to render 10k nodes including edges using GoJS (great performance!) when visualizing only a small part of my diagram (this is fine). However, when I enable the overview, my browser gets very slow. Is there a more efficient overview renderer available? If not, how can I make the overview more efficient? Could we render a png image as background instead of drawing everything on the canvas? Could you provide some pointers?

Thanks in advance!

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