Welcome to the Reconstruction Toolkit (RTK)ΒΆ
Here are suggested steps for the RTK beginner.
Install the software following INSTALLATION.md.
If you are not already familiar with ITK, get started with ITK.
Check out the FirstReconstruction example (both the CMake and the C++ codes). Many other examples are on the wiki using the applications (corresponding source code in the applications subdirectory).
Ask question to the user mailing list.