In the first release of MapIconMaker, we gave developers the ability to create dynamically resized and colored marker-shaped icons. Now with the second version, we're adding two entirely new types of customizable icons. The table below (stolen blatantly from the documentation) compares the three available functions. To get more of a feel for everything that's possible with all the icons, play around with the updated wizard.
As a demo of what kind of maps are possible with the new icons, I've created a gadget that uses the Visualization API to pull rows of U.S. address data from a Google Spreadsheet, clusters the rows based on what state code I find in the address (yay for RegEx!), and then creates icons for each state cluster that are dynamically sized and labeled according to the size of the cluster. As an added touch, I overlay a transparent state polygon on marker mouseover, and I change the color of the marker and polygon on marker click. Much thanks to the 2008 Election Trends map for inspiring the UI and making its code and states data available.
Check out the demo map below, and if you're inspired yourself, read through the MapIconMaker reference and documentation (or code - it's open source!).
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