目录

Ubuntu20.04 + QT5.14.2 + VTK8.2.0 + PCL 1.10 环境配置一、VTK 编译和安装1、库依赖:2、下载资源:[下载VTK8.2.0](https://www.vtk.org/files/release/8.2/VTK-8.2.0.tar.gz)3、编译:4、安装5、qtcreator 配置编译的`libQVTKWidgetPlugin.so`

二、PCL安装1、一键安装2、测试

三、qt 中使用 vtk 显示点云图1、pro 中引入依赖

Ubuntu20.04 + QT5.14.2 + VTK8.2.0 + PCL 1.10 环境配置

一、VTK 编译和安装

1、库依赖:

# X11

sudo apt-get install libx11-dev libxext-dev libxtst-dev libxrender-dev libxmu-dev libxmuu-dev

# OpenGL

sudo apt-get install build-essential libgl1-mesa-dev libglu1-mesa-dev

# cmake && cmake-gui

sudo apt-get install cmake cmake-gui

sudo apt install -y libxt-dev

sudo apt install -y cmake-qt-gui

sudo apt install build-essential cmake

2、下载资源:下载VTK8.2.0

3、编译:

创建build文件夹

cd VTK-8.2.0

mkdir build

cd build

使用cmake-gui编译:设置源码目录和输出目录,勾选Group和Adavanced,点击configure,按下图设置

cmake-gui

第一次点击configure后,勾选“VTK-Group-Qt”,点击“Configure”;完成后,显示“Configuring done”; 最后点击“Generate”;显示“Generating done”,完成。

4、安装

make -j4

sudo make install

5、qtcreator 配置编译的libQVTKWidgetPlugin.so

libQVTKWidgetPlugin.so 路径/build/lib cd ./lib

添加到qtcreator中,libQVTKWidgetPlugin.so复制到qt路径下, sudo cp libQVTKWidgetPlugin.so /home/ljn/Qt5.14.2/Tools/QtCreator/lib/Qt/plugins/designer

二、PCL安装

1、一键安装

sudo apt install libpcl-dev

会默认安装 vtk 和 eigne,后面我使用的是自己安装的vtk-8.2,默认安装目录在 /usr/local/include

2、测试

文件结构 CMakeLists.txt cmake_minimum_required(VERSION 2.6)

project(pcl_test)

find_package(PCL 1.10 REQUIRED)

include_directories(${PCL_INCLUDE_DIRS})

link_directories(${PCL_LIBRARY_DIRS})

add_definitions(${PCL_DEFINITIONS})

add_executable(pcl_test pcl_test.cpp)

target_link_libraries (pcl_test ${PCL_LIBRARIES})

install(TARGETS pcl_test RUNTIME DESTINATION bin)

pcl_test.cpp

#include

#include

#include

#include

#include

#include

int main(int argc, char **argv) {

std::cout << "Test PCL !!!" << std::endl;

pcl::PointCloud::Ptr point_cloud_ptr (new pcl::PointCloud);

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::PointXYZRGB point;

point.x = 0.5 * cosf (pcl::deg2rad(angle));

point.y = sinf (pcl::deg2rad(angle));

point.z = z;

uint32_t rgb = (static_cast(r) << 16 |

static_cast(g) << 8 | static_cast(b));

point.rgb = *reinterpret_cast(&rgb);

point_cloud_ptr->points.push_back (point);

}

if (z < 0.0)

{

r -= 12;

g += 12;

}

else

{

g -= 12;

b += 12;

}

}

point_cloud_ptr->width = (int) point_cloud_ptr->points.size ();

point_cloud_ptr->height = 1;

pcl::visualization::CloudViewer viewer ("test");

viewer.showCloud(point_cloud_ptr);

while (!viewer.wasStopped()){ };

return 0;

}

编译测试 mkdir build

cd build

cmake ..

make

./pcl_text

运行结果

三、qt 中使用 vtk 显示点云图

1、pro 中引入依赖

根据自身安装的版本引入相关依赖

INCLUDEPATH += /usr/include/boost

LIBS += /usr/lib/x86_64-linux-gnu/libboost_*.so

INCLUDEPATH += /usr/include/pcl-1.10/

LIBS += /usr/lib/x86_64-linux-gnu/libpcl_*.so

INCLUDEPATH += /usr/include/vtk-7.1

LIBS += /usr/lib/x86_64-linux-gnu/libvtk*.so

INCLUDEPATH += /usr/include/eigen3

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