Resolve "Revisit demos (formerly called examples) and update them"

Closes #209 (closed)

demos/demo_processor_tracker_feature.cpp

-/**
- * \file test_processor_tracker_feature.cpp
- *
- *  Created on: Apr 11, 2016
- *      \author: jvallve
- */
-
-//std
-#include <iostream>
-
-//Wolf
-#include "core/common/wolf.h"
-#include "core/problem/problem.h"
-#include "core/sensor/sensor_base.h"
-#include "core/state_block/state_block.h"
-#include "core/processor/processor_tracker_feature_dummy.h"
-#include "core/capture/capture_void.h"
-
-int main()
-{
-    using namespace wolf;
-    using std::shared_ptr;
-    using std::make_shared;
-    using std::static_pointer_cast;
-
-    std::cout << std::endl << "==================== processor tracker feature test ======================" << std::endl;
-
-    // Wolf problem
-    ProblemPtr wolf_problem_ptr_ = Problem::create("PO", 2);
-    SensorBasePtr sensor_ptr_ = make_shared<SensorBase>("ODOM 2D", std::make_shared<StateBlock>(Eigen::VectorXs::Zero(2)),
-                                             std::make_shared<StateBlock>(Eigen::VectorXs::Zero(1)),
-                                             std::make_shared<StateBlock>(Eigen::VectorXs::Zero(2)), 2);
-
-    ProcessorParamsTrackerFeaturePtr params_trk = std::make_shared<ProcessorParamsTrackerFeature>();
-    params_trk->max_new_features = 4;
-    params_trk->min_features_for_keyframe = 7;
-    params_trk->time_tolerance = 0.25;
-    shared_ptr<ProcessorTrackerFeatureDummy> processor_ptr_ = make_shared<ProcessorTrackerFeatureDummy>(params_trk);
-
-    wolf_problem_ptr_->addSensor(sensor_ptr_);
-    sensor_ptr_->addProcessor(processor_ptr_);
-
-    std::cout << "sensor & processor created and added to wolf problem" << std::endl;
-
-    TimeStamp t(0);
-    Scalar dt = 0.5;
-    for (auto i = 0; i < 10; i++)
-    {
-        processor_ptr_->process(make_shared<CaptureVoid>(t, sensor_ptr_));
-        t += dt;
-    }
-
-    wolf_problem_ptr_->print(2);
-
-    return 0;
-}
-