* Csp template that loads digital elevation models

* Parameter that enables/disables the lattice gaz automaton

* Use of the Model parameter to select the current model in rescal and avoid recompilation

* Change the view mode of the horizontal layer from the GUI

* Display the north direction with ROTATION options

* Support for TRACE_TRANS and ROTATION options simultaneously

* Support for gtk3 libraries in the build procedure

* Combine color of cells with light-shading and/or height map

