point picker切割，分别有多点拾取，在产生的图像中拾取点信息。包包涵几种例子，有人脸切割等例子。能更好的理解VTK poit功能与使用方法~ -point picker cutting, respectively, more pick up, pick up point information in the resulting images. The package includes several examples of someone face cut examples. Be

基于vtk的坐标拾取例子，可实现坐标的实时拾取。-cell pick example