极品共享几个VTK图像处理程序，包括三维显示，图象滤波，伪彩等例子-Need to share a few VTK image processing procedures, including three-dimensional display, image filtering, such as pseudo-color examples

在VT中实现进度条功能,进度条按时间计算。-Achieve progress bar feature in VT, the progress bar is calculated at the time.