//------------------------------------------------------------------- void OpenSimContext::recreateSystemAfterSystemExists( ) { SimTK::Vector y1 = _configState->getY(); SimTK::State* newState = &_model->initSystem(); newState->updY() = y1; this->setState( newState ); }
void compareSimulations(SimTK::MultibodySystem &system, SimTK::State &state, Model *osimModel, SimTK::State &osim_state, string errorMessagePrefix = "") { using namespace SimTK; // Set the initial states for both Simbody system and OpenSim model Vector& qi = state.updQ(); Vector& ui = state.updU(); int nq_sb = initTestStates(qi, ui); int nq = osim_state.getNQ(); // Push down to OpenSim "state" if(nq == 2*nq_sb){ //more coordinates because OpenSim model is constrained osim_state.updY()[0] = state.getY()[0]; osim_state.updY()[1] = state.getY()[1]; osim_state.updY()[nq] = state.getY()[nq_sb]; osim_state.updY()[nq+1] = state.getY()[nq_sb+1]; } else osim_state.updY() = state.getY(); //========================================================================================================== // Integrate Simbody system integrateSimbodySystem(system, state); // Simbody model final states qi = state.updQ(); ui = state.updU(); qi.dump("\nSimbody Final q's:"); ui.dump("\nSimbody Final u's:"); //========================================================================================================== // Integrate OpenSim model integrateOpenSimModel(osimModel, osim_state); // Get the state at the end of the integration from OpenSim. Vector& qf = osim_state.updQ(); Vector& uf = osim_state.updU(); cout<<"\nOpenSim Final q's:\n "<<qf<<endl; cout<<"\nOpenSim Final u's:\n "<<uf<<endl; //========================================================================================================== // Compare Simulation Results compareSimulationStates(qi, ui, qf, uf, errorMessagePrefix); }