Here is a great video I found on Youtube on displaying lots of markers (more than a couple hundred points) through tile layers. He makes some great points, but I like my raphael overlay system I used in the church heatmap project.
Here is a great video I found on Youtube on displaying lots of markers (more than a couple hundred points) through tile layers. He makes some great points, but I like my raphael overlay system I used in the church heatmap project.
