Also, here is the code for the caloric metabolic graph:

https://github.com/dmdware/fg2

And "testfolder" with exe:

https://drive.google.com/file/d/0B2Wuir9-DSiUN0FYbTZ1NGljU0E/view?usp=sharing

You can ignore the copyright / license I have there, if you make an improved version and sell it or make it free or for smartphones.