# cctbx - Index of online examples

- Dictionary-based validation of CIF files

- Explore symmetry

- Browse alternative space group settings

- Gallery of direct-space asymmetric units

- Determination of lattice symmetry

- Structure factor calculation

- Structure factor calculation from PDB file

- EMMA: Euclidean Model Matching

- Phase-O-Phrenia: Evaluation of substructures used in SIR or SAD phasing

- SHELX LATT & SYMM records

- Assignment of Wyckoff positions

- Fractionalization and orthogonalization of coordinates

- Apply change-of-basis

- Change space group setting

- Change hand of crystal structure

- List all symmetry axes in the unit cell

- libtbx.help

The source code for all examples is in the cctbx/web directory.

Documentation is available here.