59 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
		
		
			
		
	
	
			59 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
|  | /* ----------------------------------------------------------------------------
 | ||
|  | 
 | ||
|  |  * GTSAM Copyright 2010, Georgia Tech Research Corporation,  | ||
|  |  * Atlanta, Georgia 30332-0415 | ||
|  |  * All Rights Reserved | ||
|  |  * Authors: Frank Dellaert, et al. (see THANKS for the full author list) | ||
|  | 
 | ||
|  |  * See LICENSE for the license information | ||
|  | 
 | ||
|  |  * -------------------------------------------------------------------------- */ | ||
|  | 
 | ||
|  | /**
 | ||
|  |  * @file    timeOneCameraExpression.cpp | ||
|  |  * @brief   time CalibratedCamera derivatives | ||
|  |  * @author  Frank Dellaert | ||
|  |  * @date    October 3, 2014 | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <gtsam/slam/expressions.h>
 | ||
|  | #include <gtsam/nonlinear/ExpressionFactor.h>
 | ||
|  | #include "timeLinearize.h"
 | ||
|  | 
 | ||
|  | using namespace std; | ||
|  | using namespace gtsam; | ||
|  | 
 | ||
|  | #define time timeSingleThreaded
 | ||
|  | 
 | ||
|  | int main() { | ||
|  | 
 | ||
|  |   // Create leaves
 | ||
|  |   Pose3_ x(1); | ||
|  |   Point3_ p(2); | ||
|  |   Cal3_S2_ K(3); | ||
|  | 
 | ||
|  |   // Some parameters needed
 | ||
|  |   Point2 z(-17, 30); | ||
|  |   SharedNoiseModel model = noiseModel::Unit::Create(2); | ||
|  | 
 | ||
|  |   // Create values
 | ||
|  |   Values values; | ||
|  |   values.insert(1, Pose3()); | ||
|  |   values.insert(2, Point3(0, 0, 1)); | ||
|  |   values.insert(3, Cal3_S2()); | ||
|  | 
 | ||
|  |   // ExpressionFactor
 | ||
|  |   // Oct 3, 2014, Macbook Air
 | ||
|  |   // 20.3 musecs/call
 | ||
|  | //#define TERNARY
 | ||
|  |   NonlinearFactor::shared_ptr f = boost::make_shared<ExpressionFactor<Point2> > | ||
|  | #ifdef TERNARY
 | ||
|  |       (model, z, project3(x, p, K)); | ||
|  | #else
 | ||
|  |       (model, z, uncalibrate(K, project(transform_to(x, p)))); | ||
|  | #endif
 | ||
|  |   time("timing:", f, values); | ||
|  | 
 | ||
|  |   return 0; | ||
|  | } |