VTK展示多边形平面（Python）

 #ifndef VTKHSWPOLYGONWIDGET_H

    
 #define VTKHSWPOLYGONWIDGET_H
    
  
    
 /* * ModuleName: vtkHSWPolygonWidget
    
  * Description: 实现多边形
    
  * Author: hsw
    
  * Date: 2020-03-22
    
  * */
    
  
    
 #include <vtkPoints.h>
    
 #include <vtkUnstructuredGrid.h>
    
 #include <vtkPolygon.h>
    
 #include <vtkDataSetMapper.h>
    
 #include <vtkSmartPointer.h>
    
  
    
 class vtkHSWPolygonWidget
    
 {
    
 public:
    
     vtkHSWPolygonWidget();
    
  
    
     ~vtkHSWPolygonWidget();
    
  
    
 public:
    
     // pointCnt: 多边形点个数
    
     //   points: 每