My question is how best to decide which layer (from a set of nested, aggregated census polygons) to display for any given map extent in an online map. Australia's census boundaries are built from ...
I need to change the features of a MapLayer in real-time but I don't know how I can update/refresh/repaint the layer on the map without having to remove it and add it again (which creates flickering). ...
I'd like to produce a simple walking map with some points of interest. Ideally, I'd like to use the rendered OSM data, as you can get from the page. Using the QGIS OSM plugin, I can only download a ...
I'm working on Mapserver to do beautiful maps with AGG rendering Until now, I've only thought about the best way to get color maps. Now, I have to think how to make color ones compatible with a grey ...
What is the simplest way to rotate and render Openstreetmap data, and still get a nice render? For example Toronto, would fit best rotated slightly on a page in landscape mode, so the northern ...