PCL . VTK files and Mutual conversion of PCD

One 、 summary

   Polygon dataset vtkPolyData By vertex 、 Many points 、 Line 、 It is composed of broken lines, triangular zones and other units . The vertices 、 Lines and polygons are used to express 0、1 and 2 The smallest set of basic elements of dimensional geometry ..vtk turn .pcd Will be vtkPolyData The summit of 、 Multiple vertices are extracted and saved as point clouds .

Two 、VTK turn PCD

#include <pcl/io/pcd_io.h>
#include <pcl/io/vtk_lib_io.h>