65 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
| /*
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|  * LocalOrientedPlane3Factor.cpp
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|  *
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|  *  Author: David Wisth
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|  *  Created on: February 12, 2021
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|  */
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| 
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| #include "LocalOrientedPlane3Factor.h"
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| 
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| using namespace std;
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| 
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| namespace gtsam {
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| 
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| //***************************************************************************
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| void LocalOrientedPlane3Factor::print(const string& s,
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|     const KeyFormatter& keyFormatter) const {
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|   cout << s << (s == "" ? "" : "\n");
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|   cout << "LocalOrientedPlane3Factor Factor (" << keyFormatter(key<1>()) << ", "
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|        << keyFormatter(key<2>()) << ", " << keyFormatter(key<3>()) << ")\n";
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|   measured_p_.print("Measured Plane");
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|   this->noiseModel_->print("  noise model: ");
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| }
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| 
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| //***************************************************************************
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| Vector LocalOrientedPlane3Factor::evaluateError(const Pose3& wTwi,
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|     const Pose3& wTwa, const OrientedPlane3& a_plane,
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|     OptionalMatrixType H1, OptionalMatrixType H2,
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|     OptionalMatrixType H3) const {
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| 
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|   Matrix66 aTai_H_wTwa, aTai_H_wTwi;
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|   Matrix36 predicted_H_aTai;
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|   Matrix33 predicted_H_plane, error_H_predicted;
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| 
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|   // Find the relative transform from anchor to sensor frame.
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|   const Pose3 aTai = wTwa.transformPoseTo(wTwi,
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|       H2 ? &aTai_H_wTwa : nullptr,
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|       H1 ? &aTai_H_wTwi : nullptr);
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| 
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|   // Transform the plane measurement into sensor frame.
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|   const OrientedPlane3 i_plane = a_plane.transform(aTai,
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|       H2 ? &predicted_H_plane : nullptr,
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|       (H1 || H3) ? &predicted_H_aTai  : nullptr);
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| 
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|   // Calculate the error between measured and estimated planes in sensor frame.
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|   const Vector3 err = measured_p_.errorVector(i_plane,
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|     {}, (H1 || H2 || H3) ? &error_H_predicted : nullptr);
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| 
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|   // Apply the chain rule to calculate the derivatives.
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|   if (H1) {
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|     *H1 = error_H_predicted * predicted_H_aTai * aTai_H_wTwi;
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|   }
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| 
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|   if (H2) {
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|     *H2 = error_H_predicted * predicted_H_aTai * aTai_H_wTwa;
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|   }
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| 
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|   if (H3) {
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|     *H3 = error_H_predicted * predicted_H_plane;
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|   }
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| 
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|   return err;
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| }
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| 
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| }  // namespace gtsam
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