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006_PCL_visualizer类用法示例.cpp
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006_PCL_visualizer类用法示例.cpp
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/* \author Geoffrey Biggs */
#include <iostream>
#include <boost/thread/thread.hpp>
#include <pcl/common/common_headers.h>
#include <pcl/common/common_headers.h>
#include <pcl/features/normal_3d.h>
#include <pcl/io/pcd_io.h>
#include <pcl/visualization/pcl_visualizer.h>
#include <pcl/console/parse.h>
// 帮助
void
printUsage(const char* progName)
{
std::cout << "\n\nUsage: " << progName << " [options]\n\n"
<< "Options:\n"
<< "-------------------------------------------\n"
<< "-h this help\n"
<< "-s Simple visualisation example\n"
<< "-r RGB colour visualisation example\n"
<< "-c Custom colour visualisation example\n"
<< "-n Normals visualisation example\n"
<< "-a Shapes visualisation example\n"
<< "-v Viewports example\n"
<< "-i Interaction Customization example\n"
<< "\n\n";
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> simpleVis(pcl::PointCloud<pcl::PointXYZ>::ConstPtr cloud)
{
//创建3D窗口并添加点云
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->setBackgroundColor(0, 0, 0);
viewer->addPointCloud<pcl::PointXYZ>(cloud, "sample cloud");
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 1, "sample cloud");
viewer->addCoordinateSystem(1.0);
viewer->initCameraParameters();
return (viewer);
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> rgbVis(pcl::PointCloud<pcl::PointXYZRGB>::ConstPtr cloud)
{
//创建3D窗口并添加点云
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->setBackgroundColor(0, 0, 0);
pcl::visualization::PointCloudColorHandlerRGBField<pcl::PointXYZRGB> rgb(cloud);
viewer->addPointCloud<pcl::PointXYZRGB>(cloud, rgb, "sample cloud");
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, "sample cloud");
viewer->addCoordinateSystem(1.0);
viewer->initCameraParameters();
return (viewer);
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> customColourVis(pcl::PointCloud<pcl::PointXYZ>::ConstPtr cloud)
{
//创建3D窗口并添加点云
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->setBackgroundColor(0, 0, 0);
pcl::visualization::PointCloudColorHandlerCustom<pcl::PointXYZ> single_color(cloud, 0, 255, 0);
viewer->addPointCloud<pcl::PointXYZ>(cloud, single_color, "sample cloud");
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, "sample cloud");
viewer->addCoordinateSystem(1.0);
viewer->initCameraParameters();
return (viewer);
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> normalsVis(
pcl::PointCloud<pcl::PointXYZRGB>::ConstPtr cloud, pcl::PointCloud<pcl::Normal>::ConstPtr normals)
{
//创建3D窗口并添加点云其包括法线
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->setBackgroundColor(0, 0, 0);
pcl::visualization::PointCloudColorHandlerRGBField<pcl::PointXYZRGB> rgb(cloud);
viewer->addPointCloud<pcl::PointXYZRGB>(cloud, rgb, "sample cloud");
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, "sample cloud");
viewer->addPointCloudNormals<pcl::PointXYZRGB, pcl::Normal>(cloud, normals, 10, 0.05, "normals");
viewer->addCoordinateSystem(1.0);
viewer->initCameraParameters();
return (viewer);
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> shapesVis(pcl::PointCloud<pcl::PointXYZRGB>::ConstPtr cloud)
{
//创建3D窗口并添加点云
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->setBackgroundColor(0, 0, 0);
pcl::visualization::PointCloudColorHandlerRGBField<pcl::PointXYZRGB> rgb(cloud);
viewer->addPointCloud<pcl::PointXYZRGB>(cloud, rgb, "sample cloud");
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, "sample cloud");
viewer->addCoordinateSystem(1.0);
viewer->initCameraParameters();
//在点云上添加直线和球体模型
viewer->addLine<pcl::PointXYZRGB>(cloud->points[0],
cloud->points[cloud->size() - 1], "line");
viewer->addSphere(cloud->points[0], 0.2, 0.5, 0.5, 0.0, "sphere");
//在其他位置添加基于模型参数的平面及圆锥体
pcl::ModelCoefficients coeffs;
coeffs.values.push_back(0.0);
coeffs.values.push_back(0.0);
coeffs.values.push_back(1.0);
coeffs.values.push_back(0.0);
viewer->addPlane(coeffs, "plane");
coeffs.values.clear();
coeffs.values.push_back(0.3);
coeffs.values.push_back(0.3);
coeffs.values.push_back(0.0);
coeffs.values.push_back(0.0);
coeffs.values.push_back(1.0);
coeffs.values.push_back(0.0);
coeffs.values.push_back(5.0);
viewer->addCone(coeffs, "cone");
return (viewer);
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewportsVis(
pcl::PointCloud<pcl::PointXYZRGB>::ConstPtr cloud, pcl::PointCloud<pcl::Normal>::ConstPtr normals1, pcl::PointCloud<pcl::Normal>::ConstPtr normals2)
{
// 创建3D窗口并添加显示点云其包括法线
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->initCameraParameters();
int v1(0);
viewer->createViewPort(0.0, 0.0, 0.5, 1.0, v1);
viewer->setBackgroundColor(0, 0, 0, v1);
viewer->addText("Radius: 0.01", 10, 10, "v1 text", v1);
pcl::visualization::PointCloudColorHandlerRGBField<pcl::PointXYZRGB> rgb(cloud);
viewer->addPointCloud<pcl::PointXYZRGB>(cloud, rgb, "sample cloud1", v1);
int v2(0);
viewer->createViewPort(0.5, 0.0, 1.0, 1.0, v2);
viewer->setBackgroundColor(0.3, 0.3, 0.3, v2);
viewer->addText("Radius: 0.1", 10, 10, "v2 text", v2);
pcl::visualization::PointCloudColorHandlerCustom<pcl::PointXYZRGB> single_color(cloud, 0, 255, 0);
viewer->addPointCloud<pcl::PointXYZRGB>(cloud, single_color, "sample cloud2", v2);
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, "sample cloud1");
viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, "sample cloud2");
viewer->addCoordinateSystem(1.0);
viewer->addPointCloudNormals<pcl::PointXYZRGB, pcl::Normal>(cloud, normals1, 10, 0.05, "normals1", v1);
viewer->addPointCloudNormals<pcl::PointXYZRGB, pcl::Normal>(cloud, normals2, 10, 0.05, "normals2", v2);
return (viewer);
}
unsigned int text_id = 0;
void keyboardEventOccurred(const pcl::visualization::KeyboardEvent &event,
void* viewer_void)
{
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer = *static_cast<boost::shared_ptr<pcl::visualization::PCLVisualizer> *> (viewer_void);
if (event.getKeySym() == "r" && event.keyDown())
{
std::cout << "r was pressed => removing all text" << std::endl;
char str[512];
for (unsigned int i = 0; i < text_id; ++i)
{
sprintf(str, "text#%03d", i);
viewer->removeShape(str);
}
text_id = 0;
}
}
void mouseEventOccurred(const pcl::visualization::MouseEvent &event,
void* viewer_void)
{
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer = *static_cast<boost::shared_ptr<pcl::visualization::PCLVisualizer> *> (viewer_void);
if (event.getButton() == pcl::visualization::MouseEvent::LeftButton &&
event.getType() == pcl::visualization::MouseEvent::MouseButtonRelease)
{
std::cout << "Left mouse button released at position (" << event.getX() << ", " << event.getY() << ")" << std::endl;
char str[512];
sprintf(str, "text#%03d", text_id++);
viewer->addText("clicked here", event.getX(), event.getY(), str);
}
}
boost::shared_ptr<pcl::visualization::PCLVisualizer> interactionCustomizationVis()
{
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer(new pcl::visualization::PCLVisualizer("3D Viewer"));
viewer->setBackgroundColor(0, 0, 0);
viewer->addCoordinateSystem(1.0);
viewer->registerKeyboardCallback(keyboardEventOccurred, (void*)&viewer);
viewer->registerMouseCallback(mouseEventOccurred, (void*)&viewer);
return (viewer);
}
// -----Main-----
int
main(int argc, char** argv)
{
// 解析命令行参数
printUsage(argv[0]);
std::cout << "Input your commend: ";
std::string commend;
getline(cin, commend);
bool simple(false), rgb(false), custom_c(false), normals(false),
shapes(false), viewports(false), interaction_customization(false);
if (commend == "-s")
{
simple = true;
std::cout << "Simple visualisation example\n";
}
else if (commend == "-c")
{
custom_c = true;
std::cout << "Custom colour visualisation example\n";
}
else if (commend == "-r")
{
rgb = true;
std::cout << "RGB colour visualisation example\n";
}
else if (commend == "-n")
{
normals = true;
std::cout << "Normals visualisation example\n";
}
else if (commend == "-a")
{
shapes = true;
std::cout << "Shapes visualisation example\n";
}
else if (commend == "-v")
{
viewports = true;
std::cout << "Viewports example\n";
}
else if (commend == "-i")
{
interaction_customization = true;
std::cout << "Interaction Customization example\n";
}
// 自行创建一随机点云
pcl::PointCloud<pcl::PointXYZ>::Ptr basic_cloud_ptr(new pcl::PointCloud<pcl::PointXYZ>);
pcl::PointCloud<pcl::PointXYZRGB>::Ptr point_cloud_ptr(new pcl::PointCloud<pcl::PointXYZRGB>);
std::cout << "Genarating example point clouds.\n\n";
// 以椭圆为边线沿z轴拉伸获取其点云,并赋予红绿蓝渐变色。
uint8_t r(255), g(15), b(15);
for (float z(-1.0); z <= 1.0; z += 0.05)
{
for (float angle(0.0); angle <= 360.0; angle += 5.0)
{
pcl::PointXYZ basic_point;
basic_point.x = 0.5 * cosf(pcl::deg2rad(angle));
basic_point.y = sinf(pcl::deg2rad(angle));
basic_point.z = z;
basic_cloud_ptr->points.push_back(basic_point);
pcl::PointXYZRGB point;
point.x = basic_point.x;
point.y = basic_point.y;
point.z = basic_point.z;
uint32_t rgb = (static_cast<uint32_t>(r) << 16 |
static_cast<uint32_t>(g) << 8 | static_cast<uint32_t>(b));
point.rgb = *reinterpret_cast<float*>(&rgb);
point_cloud_ptr->points.push_back(point);
}
if (z < 0.0)
{
r -= 12;
g += 12;
}
else
{
g -= 12;
b += 12;
}
}
basic_cloud_ptr->width = (int)basic_cloud_ptr->points.size();
basic_cloud_ptr->height = 1;
point_cloud_ptr->width = (int)point_cloud_ptr->points.size();
point_cloud_ptr->height = 1;
// 0.05为搜索半径获取点云法线
pcl::NormalEstimation<pcl::PointXYZRGB, pcl::Normal> ne;
ne.setInputCloud(point_cloud_ptr);
pcl::search::KdTree<pcl::PointXYZRGB>::Ptr tree(new pcl::search::KdTree<pcl::PointXYZRGB>());
ne.setSearchMethod(tree);
pcl::PointCloud<pcl::Normal>::Ptr cloud_normals1(new pcl::PointCloud<pcl::Normal>);
ne.setRadiusSearch(0.05);
ne.compute(*cloud_normals1);
// 0.1为搜索半径获取点云法线
pcl::PointCloud<pcl::Normal>::Ptr cloud_normals2(new pcl::PointCloud<pcl::Normal>);
ne.setRadiusSearch(0.1);
ne.compute(*cloud_normals2);
boost::shared_ptr<pcl::visualization::PCLVisualizer> viewer;
if (simple)
{
viewer = simpleVis(basic_cloud_ptr);
}
else if (rgb)
{
viewer = rgbVis(point_cloud_ptr);
}
else if (custom_c)
{
viewer = customColourVis(basic_cloud_ptr);
}
else if (normals)
{
viewer = normalsVis(point_cloud_ptr, cloud_normals2);
}
else if (shapes)
{
viewer = shapesVis(point_cloud_ptr);
}
else if (viewports)
{
viewer = viewportsVis(point_cloud_ptr, cloud_normals1, cloud_normals2);
}
else if (interaction_customization)
{
viewer = interactionCustomizationVis();
}
// 主循环
while (!viewer->wasStopped())
{
viewer->spinOnce(100);
boost::this_thread::sleep(boost::posix_time::microseconds(100000));
}
}