Visual Servoing Platform version 3.5.0
grabRealSense2_T265.cpp
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2019 by Inria. All rights reserved.
5 *
6 * This software is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 * See the file LICENSE.txt at the root directory of this source
11 * distribution for additional information about the GNU GPL.
12 *
13 * For using ViSP with software that can not be combined with the GNU
14 * GPL, please contact Inria about acquiring a ViSP Professional
15 * Edition License.
16 *
17 * See http://visp.inria.fr for more information.
18 *
19 * This software was developed at:
20 * Inria Rennes - Bretagne Atlantique
21 * Campus Universitaire de Beaulieu
22 * 35042 Rennes Cedex
23 * France
24 *
25 * If you have questions regarding the use of this file, please contact
26 * Inria at visp@inria.fr
27 *
28 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30 *
31 * Description:
32 * Acquisition of images, odometry and raw motion information with RealSense
33 * T265 sensor and librealsense2.
34 *
35 *****************************************************************************/
36
45#include <iostream>
46#include <iomanip>
47
48#include <visp3/core/vpMeterPixelConversion.h>
49#include <visp3/gui/vpDisplayX.h>
50#include <visp3/gui/vpDisplayGDI.h>
51#include <visp3/sensor/vpRealSense2.h>
52
53#if defined(VISP_HAVE_REALSENSE2) && (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11) && \
54 (defined(VISP_HAVE_X11) || defined(VISP_HAVE_GDI)) && \
55 (RS2_API_VERSION > ((2 * 10000) + (31 * 100) + 0))
56
57int main()
58{
59 vpHomogeneousMatrix cMw, cMw_0;
60 vpHomogeneousMatrix cextMw(0, 0, 2, 0, 0, 0); // External camera view for pose visualization
61 vpColVector odo_vel, odo_acc, imu_acc, imu_vel;
62 unsigned int confidence;
63 double ts;
64 vpImagePoint frame_origin;
65 std::list< std::pair<unsigned int, vpImagePoint> > frame_origins; // Frame origin's history for trajectory visualization
66 unsigned int display_scale = 2;
67
68 try {
69 vpRealSense2 rs;
70
71 std::string product_line = rs.getProductLine();
72 std::cout << "Product line: " << product_line << std::endl;
73
74 if (product_line != "T200") {
75 std::cout << "This example doesn't support devices that are not part of T200 product line family !" << std::endl;
76 return EXIT_SUCCESS;
77 }
78
79 rs2::config config;
80 config.enable_stream(RS2_STREAM_POSE, RS2_FORMAT_6DOF);
81 config.enable_stream(RS2_STREAM_FISHEYE, 1, RS2_FORMAT_Y8);
82 config.enable_stream(RS2_STREAM_FISHEYE, 2, RS2_FORMAT_Y8);
83 config.enable_stream(RS2_STREAM_GYRO);
84 config.enable_stream(RS2_STREAM_ACCEL);
85
86 rs.open(config);
87
88 // Creating images for left and right cameras, and for visualizing trajectory
89 vpImage<unsigned char> I_left, I_right;
90 vpImage<unsigned char> I_pose(300, 300, 0);
91
92 vpCameraParameters cam(300., 300., I_pose.getWidth()/2, I_pose.getHeight()/2); // For pose visualization
93
94 rs.acquire(&I_left, &I_right, &cMw_0, &odo_vel, &odo_acc, &imu_vel, &imu_acc, &confidence, &ts);
95
96#if defined(VISP_HAVE_X11)
97 vpDisplayX display_left; // Left image
98 vpDisplayX display_right; // Right image
99 vpDisplayX display_pose; // Pose visualization
100#elif defined(VISP_HAVE_GDI)
101 vpDisplayGDI display_left; // Left image
102 vpDisplayGDI display_right; // Right image
103 vpDisplayGDI display_pose; // Pose visualization
104#endif
105
106#if defined(VISP_HAVE_X11) || defined(VISP_HAVE_GDI)
107 display_left.setDownScalingFactor(display_scale);
108 display_right.setDownScalingFactor(display_scale);
109 display_left.init(I_left, 10, 10, "Left image");
110 display_right.init(I_right, static_cast<int>(I_left.getWidth()/display_scale) + 80, 10, "Right image"); // Right
111 display_pose.init(I_pose, 10, static_cast<int>(I_left.getHeight()/display_scale) + 80, "Pose visualizer"); // visualization
112#endif
113
114 vpHomogeneousMatrix cextMc_0 = cextMw * cMw_0.inverse();
115 vpMeterPixelConversion::convertPoint(cam, cextMc_0[0][3] / cextMc_0[2][3], cextMc_0[1][3] / cextMc_0[2][3], frame_origin);
116 frame_origins.push_back(std::make_pair(confidence, frame_origin));
117
118 while (true) {
119 double t = vpTime::measureTimeMs();
120
121 rs.acquire(&I_left, &I_right, &cMw, &odo_vel, &odo_acc, &imu_vel, &imu_acc, &confidence, &ts);
122
123 vpDisplay::display(I_left);
124 vpDisplay::display(I_right);
125 vpDisplay::display(I_pose);
126
127 vpHomogeneousMatrix cextMc = cextMw * cMw.inverse();
128 vpMeterPixelConversion::convertPoint(cam, cextMc[0][3] / cextMc[2][3], cextMc[1][3] / cextMc[2][3], frame_origin);
129 frame_origins.push_back(std::make_pair(confidence, frame_origin));
130
131 vpDisplay::displayText(I_left, 15*display_scale, 15*display_scale, "Click to quit", vpColor::red);
132 vpDisplay::displayText(I_right, 15*display_scale, 15*display_scale, "Click to quit", vpColor::red);
133 vpDisplay::displayText(I_pose, 15, 15, "Click to quit", vpColor::red);
134
135 vpDisplay::displayFrame(I_pose, cextMc_0, cam, 0.1, vpColor::none, 2); // First frame
136 vpDisplay::displayFrame(I_pose, cextMc , cam, 0.1, vpColor::none, 2);
137
138 // Display frame origin trajectory
139 {
140 std::list< std::pair<unsigned int, vpImagePoint> >::const_iterator it = frame_origins.begin();
141 std::pair<unsigned int, vpImagePoint> frame_origin_pair_prev = *(it++);
142 for (; it != frame_origins.end(); ++it) {
143 if (vpImagePoint::distance(frame_origin_pair_prev.second, (*it).second) > 1) {
144 vpDisplay::displayLine(I_pose, frame_origin_pair_prev.second, (*it).second,
145 (*it).first == 3 ? vpColor::green : ((*it).first == 2 ? vpColor::yellow : vpColor::red), 2);
146 frame_origin_pair_prev = *it;
147 }
148 }
149 }
150 if (vpDisplay::getClick(I_left, false) || vpDisplay::getClick(I_right, false) || vpDisplay::getClick(I_pose, false)) {
151 break;
152 }
153 vpDisplay::flush(I_left);
154 vpDisplay::flush(I_right);
155 vpDisplay::flush(I_pose);
156
157 std::cout << "Loop time: " << std::setw(8) << vpTime::measureTimeMs() - t << "ms. Confidence = " << confidence;
158 std::cout << " Gyro vel: x = " << std::setw(10) << std::setprecision(3) << imu_vel[0] << " y = " << std::setw(10) << std::setprecision(3) << imu_vel[1] << " z = " << std::setw(8) << imu_vel[2];
159 std::cout << " Accel: x = " << std::setw(10) << std::setprecision(3) << imu_acc[0] << " y = " << std::setw(10) << std::setprecision(3) << imu_acc[1] << " z = " << std::setw(8) << imu_acc[2];
160 std::cout << std::endl;
161 }
162
163 } catch (const vpException &e) {
164 std::cerr << "RealSense error " << e.what() << std::endl;
165 } catch (const std::exception &e) {
166 std::cerr << e.what() << std::endl;
167 }
168
169 return EXIT_SUCCESS;
170}
171#else
172int main()
173{
174#if !defined(VISP_HAVE_REALSENSE2)
175 std::cout << "You do not realsense2 SDK functionality enabled..." << std::endl;
176 std::cout << "Tip:" << std::endl;
177 std::cout << "- Install librealsense2, configure again ViSP using cmake and build again this example" << std::endl;
178 return EXIT_SUCCESS;
179#elif (VISP_CXX_STANDARD < VISP_CXX_STANDARD_11)
180 std::cout << "You do not build ViSP with c++11 or higher compiler flag" << std::endl;
181 std::cout << "Tip:" << std::endl;
182 std::cout << "- Configure ViSP again using cmake -DUSE_CXX_STANDARD=11, and build again this example" << std::endl;
183#elif !(defined(VISP_HAVE_X11) || defined(VISP_HAVE_GDI))
184 std::cout << "You don't have X11 or GDI display capabilities" << std::endl;
185#elif !(RS2_API_VERSION > ((2 * 10000) + (31 * 100) + 0))
186 std::cout << "Install librealsense version > 2.31.0" << std::endl;
187#endif
188 return EXIT_SUCCESS;
189}
190#endif
Generic class defining intrinsic camera parameters.
Implementation of column vector and the associated operations.
Definition: vpColVector.h:131
static const vpColor red
Definition: vpColor.h:217
static const vpColor none
Definition: vpColor.h:229
static const vpColor yellow
Definition: vpColor.h:225
static const vpColor green
Definition: vpColor.h:220
Display for windows using GDI (available on any windows 32 platform).
Definition: vpDisplayGDI.h:129
Use the X11 console to display images on unix-like OS. Thus to enable this class X11 should be instal...
Definition: vpDisplayX.h:135
void init(vpImage< unsigned char > &I, int win_x=-1, int win_y=-1, const std::string &win_title="")
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
virtual void setDownScalingFactor(unsigned int scale)
Definition: vpDisplay.cpp:231
static void display(const vpImage< unsigned char > &I)
static void displayLine(const vpImage< unsigned char > &I, const vpImagePoint &ip1, const vpImagePoint &ip2, const vpColor &color, unsigned int thickness=1, bool segment=true)
static void flush(const vpImage< unsigned char > &I)
static void displayFrame(const vpImage< unsigned char > &I, const vpHomogeneousMatrix &cMo, const vpCameraParameters &cam, double size, const vpColor &color=vpColor::none, unsigned int thickness=1, const vpImagePoint &offset=vpImagePoint(0, 0))
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
error that can be emited by ViSP classes.
Definition: vpException.h:72
const char * what() const
Implementation of an homogeneous matrix and operations on such kind of matrices.
vpHomogeneousMatrix inverse() const
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
Definition: vpImagePoint.h:88
static double distance(const vpImagePoint &iP1, const vpImagePoint &iP2)
unsigned int getWidth() const
Definition: vpImage.h:246
unsigned int getHeight() const
Definition: vpImage.h:188
static void convertPoint(const vpCameraParameters &cam, const double &x, const double &y, double &u, double &v)
void acquire(vpImage< unsigned char > &grey, double *ts=NULL)
bool open(const rs2::config &cfg=rs2::config())
std::string getProductLine()
VISP_EXPORT double measureTimeMs()