add unique named main

Author: rheiland

sample_projects/cancer_immune/main-cancer_immune_3D.cpp

@@ -121,7 +121,8 @@ int main( int argc, char* argv[] )
 	/* PhysiCell setup */ 
 
 	// set mechanics voxel size, and match the data structure to BioFVM
-	double mechanics_voxel_size = 30; 
+	double mechanics_voxel_size = PhysiCell_settings.mechanics_voxel_size;
+	std::cout << "Setting mechanics voxel size= " << mechanics_voxel_size << std::endl; 
 	Cell_Container* cell_container = create_cell_container_for_microenvironment( microenvironment, mechanics_voxel_size );
 
 	create_cell_types();