SDK R3 is very different from past SDKs, in that it splits the SDK into separate modules rather than packaging everything together in one installation. '3D Scan' is one of these now separate optional modules. Have you downloaded and installed it? It is is on the SDK download page in the SDK Components Download section, and is the third item down under the main Essentials module.
Thank you MartyG!
Yes I did install 3D Scan module and Core module, I am able to use VS 2015 to compile the C# sample and run it.
The strange thing is that "Full" mode works, it actually utilizes full range of the camera's depth range. The only issue is that it starts with full field of view - if only there is a way to limit it...
I had a quick go on the 3D Scan sample. I only have a humble F200 camera and SDK R2, but I hoped that I'd get an insight into what might be happening with your installation anyway.
When I selected Face mode and started the camera, I got the same Unsupported message. This seemed odd to me, since I was running the all-in-one R2 SDK. I then found that if I ticked the facial sub-option 'Landmarks' instead of leaving all the tick boxes empty, the face scan worked fine.
Subsequent tests found that it expected 'Landmarks' to be ticked in order to work. You could then tick one of the options (Solid, Texture, etc) in addition to Landmarks and it still worked. Strangely, the Markers option didn't work. But 'Landmarks + Solid' or 'Landmarks + Texture' or 'Landmarks + Solid + Texture' did work.
Thanks for testing it out. It turns out that my "Super Duper" SC300 behaves exactly the same as your " Humble" F200. I guess Landmarks turns on face feature tracking and makes it easier for segmentation - pure guess.
Glad that it worked for you. Good luck with the scanning!