1 目 录 前 言 ..................................................................................................................5 第一章 启动 GrADS 及打开文件 ................................................................................5 一.启动GrADS..................................................................................................5 二.打开文件 ......................................................................................................6 第 二 章 维 数 环 境.....................................................................................6 set lat|lon|lev|time val1 ............................................................................6 set x|y|z|t vall .......................................................................................6 第 三 章 显示命令及动画...........................................................................................7 一、显示命令....................................................................................................7 二、动画...........................................................................................................7 set loopdim x︱y|z|t............................................................................................7 set looping on|off ...............................................................................................7 第 四 章 图形输出类型 ............................................................................................8 对格点数据：....................................................................................................8 bar: 直方图 ........................................................................................................8 barb:风向杆形式绘二维风场 ..............................................................................8 contour:二维等值现图 ........................................................................................8...
