Here’s a second attempt at rendering a minimap using the <canvas> tag:

However, rendering this takes my computer a good 1.5 seconds, during which the browser hangs - too long to be practical in an interactive web app with impatient users. :p

This one takes under a second, and is thus more likely to make it into AjaxLife:

Both of those are, however, a significant improvement over yesterday’s attempt.

Of course, the minimap built into SL is significantly better than all of the above. But hey! :p