point-cloud-library 相关问题

我正在尝试从点云数据中使用 SurfaceReconstruction，这是我的代码 #包括 #包括 #包括 #包括我正在尝试从点云数据中使用 SurfaceReconstruction，这是我的代码 #include <pcl/point_types.h> #include <pcl/io/pcd_io.h> #include <pcl/io/ply_io.h> #include <pcl/surface/marching_cubes_hoppe.h> int main(int argc, char** argv) { // Open the input text file std::ifstream input_file("prereq/model.txt"); // Create a PCL point cloud object to store the points pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>); // Parse the text file line by line to extract the point coordinates std::string line; while (std::getline(input_file, line)) { std::istringstream iss(line); float x, y, z; if (!(iss >> x >> y >> z)) { // Handle parsing error break; } // Add the point to the PCL point cloud object cloud->push_back(pcl::PointXYZ(x, y, z)); } // Create a set of triangular meshes using the Marching Cubes algorithm pcl::PolygonMesh triangles; pcl::MarchingCubesHoppe<pcl::PointXYZ> mc; mc.setInputCloud(cloud); mc.setIsoLevel(0.025); mc.reconstruct(triangles); pcl::io::savePLYFile("output_mesh.ply", triangles); return 0; } 当我尝试使用命令构建它时 g++ hmm.cpp -o a.out -I/usr/include/pcl-1.12/ -I/usr/include/eigen3 -lpcl_common -lpcl_io -lpcl_surface -lpcl_visualization -lpcl_octree -lpcl_recognition -lpcl_segmentation -lpcl_registration -lpcl_tracking -lpcl_search -lpcl_common -lpcl_surface -lpcl_kdtree -lpcl_features -lpcl_filters 它给了我错误 /usr/bin/ld: /tmp/ccPoS1h1.o: in function `main': hmm.cpp:(.text+0x2d1): undefined reference to `pcl::MarchingCubesHoppe<pcl::PointXYZ>::~MarchingCubesHoppe()' /usr/bin/ld: hmm.cpp:(.text+0x3ba): undefined reference to `pcl::MarchingCubesHoppe<pcl::PointXYZ>::~MarchingCubesHoppe()' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE[_ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE]+0x10): undefined reference to `pcl::MarchingCubesHoppe<pcl::PointXYZ>::~MarchingCubesHoppe()' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE[_ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE]+0x18): undefined reference to `pcl::MarchingCubesHoppe<pcl::PointXYZ>::~MarchingCubesHoppe()' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE[_ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE]+0x60): undefined reference to `pcl::MarchingCubes<pcl::PointXYZ>::performReconstruction(pcl::PolygonMesh&)' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE[_ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE]+0x68): undefined reference to `pcl::MarchingCubes<pcl::PointXYZ>::performReconstruction(pcl::PointCloud<pcl::PointXYZ>&, std::vector<pcl::Vertices, std::allocator<pcl::Vertices> >&)' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE[_ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE]+0x70): undefined reference to `pcl::MarchingCubesHoppe<pcl::PointXYZ>::voxelizeData()' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE[_ZTVN3pcl18MarchingCubesHoppeINS_8PointXYZEEE]+0x78): undefined reference to `pcl::MarchingCubes<pcl::PointXYZ>::getGridValue(Eigen::Matrix<int, 3, 1, 0, 3, 1>)' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl13MarchingCubesINS_8PointXYZEEE[_ZTVN3pcl13MarchingCubesINS_8PointXYZEEE]+0x60): undefined reference to `pcl::MarchingCubes<pcl::PointXYZ>::performReconstruction(pcl::PolygonMesh&)' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl13MarchingCubesINS_8PointXYZEEE[_ZTVN3pcl13MarchingCubesINS_8PointXYZEEE]+0x68): undefined reference to `pcl::MarchingCubes<pcl::PointXYZ>::performReconstruction(pcl::PointCloud<pcl::PointXYZ>&, std::vector<pcl::Vertices, std::allocator<pcl::Vertices> >&)' /usr/bin/ld: /tmp/ccPoS1h1.o:(.data.rel.ro._ZTVN3pcl13MarchingCubesINS_8PointXYZEEE[_ZTVN3pcl13MarchingCubesINS_8PointXYZEEE]+0x78): undefined reference to `pcl::MarchingCubes<pcl::PointXYZ>::getGridValue(Eigen::Matrix<int, 3, 1, 0, 3, 1>)' collect2: error: ld returned 1 exit status 我什至尝试过 cmake cmake_minimum_required(VERSION 3.10) project(pointcloud-to-mesh) find_package(PCL 1.12 REQUIRED COMPONENTS common io surface) add_executable(pointcloud-to-mesh hmm.cpp) target_include_directories(pointcloud-to-mesh PRIVATE ${PCL_INCLUDE_DIRS}) target_link_libraries(pointcloud-to-mesh PRIVATE ${PCL_LIBRARIES}) GreedyProjectionTriangulation 和 Poisson 的相同类型的错误。我在这里做错了什么？我使用 apt 安装了 pcl（我在 ubuntu 上）不能将MarchingCubesHoppe与pcl::PointXYZ一起使用。你必须使用pcl::PointNormal或pcl::PointXYZRGBNormal或pcl::PointXYZINormal. 另见官方文档：https://pointclouds.org/documentation/classpcl_1_1_marching_cubes_hoppe.html#details

c++ point-cloud-library undefined-reference

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创建三棱柱形点云

我正在尝试创建一个 3D 六边形点云，我的想法是使用 6 个三棱柱形状创建它，因为我认为这应该是一种更简单的方法。但是我不确定是否有方法......

c++ point-cloud-library point-clouds triangular pcl

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使用pcl.1.8.0展示一些sample时，运行“triangulationGreedyProjection”代码出错，在“Memory.h”中崩溃

环境： Ubuntu18 pcl 1.8.0 一些代码如下： // 贪心投影三角剖分 pcl::PolygonMesh triangulationGreedyProjection(pcl::PointCloud::Ptr xyzCloud) { pcl::

c++ ubuntu point-cloud-library pcl

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PDAL可以用来在一组多边形中找到最大点吗？

我正在寻找大量多边形中每一个的最高点。我正在使用这条管道： [ '点.las', {'type': 'filters.crop', 'polygon': 多边形}, { &q...