可在Arcgis 10中使用，按设置的条件选择图层并循环产生图片。-Use in Arcgis 10 VBA, will generate picture with different parameters and automative.

线状符号绘制 通过循环在线上画短线 可设置短线长度和间距-Line symbol drawn Videos short stub length and spacing can be set through the circulation line