void VariogramInput_accessor::clear() { varg_input_->set_nugget( 0 ); varg_input_->update_structures_count( 1 ); Variogram_structure_input* structure = varg_input_->structure( 0 ); structure->set_contribution( 0 ); structure->set_ranges( 0,0,0 ); structure->set_angles( 0,0,0 ); }