Allow different convention
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				|  | @ -30,12 +30,14 @@ class ScenarioRunner { | ||||||
|  public: |  public: | ||||||
|   ScenarioRunner(const Scenario* scenario, double imuSampleTime = 1.0 / 100.0, |   ScenarioRunner(const Scenario* scenario, double imuSampleTime = 1.0 / 100.0, | ||||||
|                  double gyroSigma = 0.17, double accSigma = 0.01, |                  double gyroSigma = 0.17, double accSigma = 0.01, | ||||||
|                  const imuBias::ConstantBias& bias = imuBias::ConstantBias()) |                  const imuBias::ConstantBias& bias = imuBias::ConstantBias(), | ||||||
|  |                  const Vector3& gravity_n = Vector3(0, 0, -10)) | ||||||
|       : scenario_(scenario), |       : scenario_(scenario), | ||||||
|         imuSampleTime_(imuSampleTime), |         imuSampleTime_(imuSampleTime), | ||||||
|         gyroNoiseModel_(noiseModel::Isotropic::Sigma(3, gyroSigma)), |         gyroNoiseModel_(noiseModel::Isotropic::Sigma(3, gyroSigma)), | ||||||
|         accNoiseModel_(noiseModel::Isotropic::Sigma(3, accSigma)), |         accNoiseModel_(noiseModel::Isotropic::Sigma(3, accSigma)), | ||||||
|         bias_(bias), |         bias_(bias), | ||||||
|  |         gravity_n_(gravity_n), | ||||||
|         // NOTE(duy): random seeds that work well:
 |         // NOTE(duy): random seeds that work well:
 | ||||||
|         gyroSampler_(gyroNoiseModel_, 10), |         gyroSampler_(gyroNoiseModel_, 10), | ||||||
|         accSampler_(accNoiseModel_, 29284) |         accSampler_(accNoiseModel_, 29284) | ||||||
|  | @ -44,7 +46,7 @@ class ScenarioRunner { | ||||||
| 
 | 
 | ||||||
|   // NOTE(frank): hardcoded for now with Z up (gravity points in negative Z)
 |   // NOTE(frank): hardcoded for now with Z up (gravity points in negative Z)
 | ||||||
|   // also, uses g=10 for easy debugging
 |   // also, uses g=10 for easy debugging
 | ||||||
|   static Vector3 gravity_n() { return Vector3(0, 0, -10.0); } |   const Vector3& gravity_n() const { return gravity_n_; } | ||||||
| 
 | 
 | ||||||
|   // A gyro simply measures angular velocity in body frame
 |   // A gyro simply measures angular velocity in body frame
 | ||||||
|   Vector3 actual_omega_b(double t) const { return scenario_->omega_b(t); } |   Vector3 actual_omega_b(double t) const { return scenario_->omega_b(t); } | ||||||
|  | @ -107,8 +109,10 @@ class ScenarioRunner { | ||||||
|  private: |  private: | ||||||
|   const Scenario* scenario_; |   const Scenario* scenario_; | ||||||
|   const double imuSampleTime_; |   const double imuSampleTime_; | ||||||
|  |   // TODO(frank): unify with Params, use actual noisemodels there...
 | ||||||
|   const noiseModel::Diagonal::shared_ptr gyroNoiseModel_, accNoiseModel_; |   const noiseModel::Diagonal::shared_ptr gyroNoiseModel_, accNoiseModel_; | ||||||
|   const imuBias::ConstantBias bias_; |   const imuBias::ConstantBias bias_; | ||||||
|  |   const Vector3 gravity_n_; | ||||||
| 
 | 
 | ||||||
|   // Create two samplers for acceleration and omega noise
 |   // Create two samplers for acceleration and omega noise
 | ||||||
|   mutable Sampler gyroSampler_, accSampler_; |   mutable Sampler gyroSampler_, accSampler_; | ||||||
|  |  | ||||||
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