使用VTK进行直线绘制

 #ifndef VTKHSWLINEWIDGET_H

    
 #define VTKHSWLINEWIDGET_H
    
  
    
 /* * ModuleName: vtkHSWLineWidget
    
  * Description: 创建直线
    
  * Author: hsw
    
  * Date: 2020-03-22
    
  * */
    
   12. #include <vtkLineSource.h>
    
 #include <vtkDataSetMapper.h>
    
  
    
 class vtkHSWLineWidget
    
 {
    
 public:
    
     vtkHSWLineWidget();
    
     ~vtkHSWLineWidget();
    
 public:
    
     vtkSmartPointer<vtkDataSetMapper> createLine(double* start, double* end);
    
  
    
 private:
    
     vtkSmartPointer<vtkLineSource>    _lineSource;
    
     vtkSmartPointer<v