As your colleagues have told you, these classes are available but you need to have the latest FWH updates. I use FWH1109 and I can make this type of graphs with the TGraph class. I leave you some images of a program that I have to finish. If you need the sources let me know. With this you have many alternatives.
Imagen1:
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Imagen2:
The type of menu to use is still to be decided.
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Cuarta opción:
You also have the fourth option which is RMCHART Rainer Morgen 2004-2008 spectacular with 160 types in 2D/3D. If you want it I can give it to you. 160+ graphical functions from your FWH app.
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Excuse my terrible English.
All the best
Javier LLoris
javierllorisprogramador@gmail.com
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Tengo una colección de unos 100 cubos de todo tipo de formas geométricas, todos resueltos, en instagram solo hay unos cuentos cubos.