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US Map Chart Demo

US Map Chart demonstrates how Petra can help Delphi developers build custom UI elements with $0 cost (no need for any 3rd party libraries or frameworks), and with just few clicks, you get native quality and performance drawing that works seamlessly with FMX. The demo also demonstrates how the generated code can be easily customized. Feel free to use the map in your own code.

http://www.applyingcode.com