Example of eye-in-hand control law. We control here a real robot, the Afma6 robot (cartesian robot, with 6 degrees of freedom). The velocity is computed in camera frame. The visual feature is the segment between two points.
#include <stdlib.h>
#include <vector>
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpDebug.h>
#if (defined(VISP_HAVE_AFMA6) && defined(VISP_HAVE_DC1394))
#include <visp3/blob/vpDot.h>
#include <visp3/core/vpDisplay.h>
#include <visp3/core/vpException.h>
#include <visp3/core/vpHomogeneousMatrix.h>
#include <visp3/core/vpImage.h>
#include <visp3/core/vpImagePoint.h>
#include <visp3/core/vpIoTools.h>
#include <visp3/core/vpMath.h>
#include <visp3/core/vpPoint.h>
#include <visp3/gui/vpDisplayGTK.h>
#include <visp3/gui/vpDisplayOpenCV.h>
#include <visp3/gui/vpDisplayX.h>
#include <visp3/robot/vpRobotAfma6.h>
#include <visp3/sensor/vpRealSense2.h>
#include <visp3/visual_features/vpFeatureBuilder.h>
#include <visp3/visual_features/vpFeatureSegment.h>
#include <visp3/vs/vpServo.h>
#include <visp3/vs/vpServoDisplay.h>
int main()
{
#ifdef ENABLE_VISP_NAMESPACE
#endif
std::string username;
std::string logdirname;
logdirname = "/tmp/" + username;
try {
}
catch (...) {
std::cerr << std::endl << "ERROR:" << std::endl;
std::cerr << " Cannot create " << logdirname << std::endl;
return EXIT_FAILURE;
}
}
std::string logfilename;
logfilename = logdirname + "/log.dat";
std::ofstream flog(logfilename.c_str());
try {
rs2::config config;
unsigned int width = 640, height = 480, fps = 60;
config.enable_stream(RS2_STREAM_COLOR, width, height, RS2_FORMAT_RGBA8, fps);
config.enable_stream(RS2_STREAM_DEPTH, width, height, RS2_FORMAT_Z16, fps);
config.enable_stream(RS2_STREAM_INFRARED, width, height, RS2_FORMAT_Y8, fps);
for (size_t i = 0; i < 10; ++i) {
}
#ifdef VISP_HAVE_X11
vpDisplayX display(I, 100, 100, "Current image");
#elif defined(HAVE_OPENCV_HIGHGUI)
#elif defined(VISP_HAVE_GTK)
#endif
std::vector<vpDot> dot_d(2), dot(2);
robot.getCameraParameters(cam, I);
std::cout << "Define the initial segment" << std::endl;
for (std::vector<vpDot>::iterator i = dot.begin(); i != dot.end(); ++i) {
std::cout << "Click on a dot..." << std::endl;
i->initTracking(I);
cog = i->getCog();
}
std::cout << "define the destination segment" << std::endl;
for (std::vector<vpDot>::iterator i = dot_d.begin(); i != dot_d.end(); ++i) {
}
std::cout << "\nHit CTRL-C to stop the loop...\n" << std::flush;
bool quit = false;
while (!quit) {
for (std::vector<vpDot>::iterator i = dot.begin(); i != dot.end(); ++i) {
i->track(I);
}
flog << (task.
getError()).t() << std::endl;
quit = true;
}
}
flog.close();
return EXIT_SUCCESS;
}
flog.close();
std::cout << "Visual servo failed with exception: " << e << std::endl;
return EXIT_FAILURE;
}
}
#else
int main()
{
std::cout << "You do not have an afma6 robot connected to your computer..." << std::endl;
return EXIT_SUCCESS;
}
#endif
Generic class defining intrinsic camera parameters.
@ perspectiveProjWithoutDistortion
Perspective projection without distortion model.
Implementation of column vector and the associated operations.
static const vpColor blue
static const vpColor green
The vpDisplayGTK allows to display image using the GTK 3rd party library. Thus to enable this class G...
The vpDisplayOpenCV allows to display image using the OpenCV library. Thus to enable this class OpenC...
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void display(const vpImage< unsigned char > &I)
static void displayCross(const vpImage< unsigned char > &I, const vpImagePoint &ip, unsigned int size, const vpColor &color, unsigned int thickness=1)
static void flush(const vpImage< unsigned char > &I)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
This tracker is meant to track a dot (connected pixels with same gray level) on a vpImage.
error that can be emitted by ViSP classes.
static void create(vpFeaturePoint &s, const vpCameraParameters &cam, const vpImagePoint &t)
Class that defines a 2D segment visual features. This class allow to consider two sets of visual feat...
void display(const vpCameraParameters &cam, const vpImage< unsigned char > &I, const vpColor &color=vpColor::green, unsigned int thickness=1) const VP_OVERRIDE
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
void acquire(vpImage< unsigned char > &grey, double *ts=nullptr)
bool open(const rs2::config &cfg=rs2::config())
Control of Irisa's gantry robot named Afma6.
void setVelocity(const vpRobot::vpControlFrameType frame, const vpColVector &vel) VP_OVERRIDE
@ STATE_VELOCITY_CONTROL
Initialize the velocity controller.
virtual vpRobotStateType setRobotState(const vpRobot::vpRobotStateType newState)
static void display(const vpServo &s, const vpCameraParameters &cam, const vpImage< unsigned char > &I, vpColor currentColor=vpColor::green, vpColor desiredColor=vpColor::red, unsigned int thickness=1)
void setInteractionMatrixType(const vpServoIteractionMatrixType &interactionMatrixType, const vpServoInversionType &interactionMatrixInversion=PSEUDO_INVERSE)
void addFeature(vpBasicFeature &s_cur, vpBasicFeature &s_star, unsigned int select=vpBasicFeature::FEATURE_ALL)
void print(const vpServo::vpServoPrintType display_level=ALL, std::ostream &os=std::cout)
void setServo(const vpServoType &servo_type)
vpColVector getError() const
vpColVector computeControlLaw()