Ad hoc workshops are small two days workshops organized in Praha by authors of Jana software. The topics and dates are selected by participants. Topics of the Second workshop: (INT1) Introduction to Jana software, solution of simple 3d structures; (INT2) Introduction to modulated structures, solution of simple 4d structures; (PWD) Refinement of powder data of 3d and modulated structures; (CHF) Application of charge flipping to 3d and modulated structures. (více ...)