DL程序特点 —宽松的语法检査机制 ·分隔符为“",而非空格 不分大小写 变量无需事先说明
IDL程序特点 • 分隔符为“,”，而非空格 • 不分大小写 • 变量无需事先说明 ——宽松的语法检查机制
2.IDL基本知识
2. IDL 基本知识
2. 1 Quick Look of IDL DL常用命令 compile [filename1, filename2, .. compile files from 1 to n run [ filename1, filename2 compile and run the compiled program(只运行主程序) rnew [filename1, filename2,.. the same as run, but free all the variants before running except for the common blocks(只运行主程序) 90 run the compiled program out continues executing statements in the current program until it returns reset session 初始化DL系统,使其返回到|DL启动后的初始状态
IDL常用命令 .complile [filename1, filename2,….] compile files from 1 to n .run [filename1, filename2,….] compile and run the compiled program（只运行主程序） .rnew [filename1, filename2,….] the same as .run, but free all the variants before running, except for the common blocks （只运行主程序） .go run the compiled program .out continues executing statements in the current program until it returns .reset_session 初始化IDL系统，使其返回到I DL启动后的初始状态 2.1 Quick Look of IDL
帮助 IDL orkbench 口 搜索()rum 执行搜索范围所有主题 内容 曲,日日 中中鱼|曲 About idl A IDL APT Reference Gui des > IDL Reference Gui de >Part I: IDL Comm and Refer ence>Functional List of IDL 田令 IDL Workbench Gui d 曰回 IDL API Reference gui d 日 CL IDL Reference guid Executive commands 田c0 verview of IDL synta E N Part I: IDL Command Reference COMPILE-Compiles programs without running EN Functional List of IDL Routin RL 3D visualizati oz CONTINUE-Continues execution of a stopped program 自 Animati a Array Creation EDI- Opens files in editor windows of the IDL Workbench tasks such as unloading sharable libraries a Dialog routines Go-Executes a previously compiled sMAlNS program a Direct Graphics OUT. Continues execution until the current routine returns 目 Error Handling RESET SESSION-Resets much of the state of an IDL session without requiring the user to 自 External linking exit and restart the Dl session E Font Manipulation D Help routines RETURN- Continues execution until RE TURN statement RNEW- Erases SMAIN S program variables and then executes RUN a Language Catalogs RUN-Compiles and executes IDL commands from files or keyboard 自 吧 SKIP- Skips over the next n statements and then single steps 田 C object Class Librar STEP-Executes one or n statements from the current positio a Operating System Access STEPOVER-Executes a single statement if the statement does not call a routine 自P nd IDL Control v TRACE-Similar to CONTINUE, but displays each line of code before execution
lDL file commad cd[ path [current=variant file mkdir dirname file copy, file delete, file move spawn[ command
IDL file commad cd [, path] [current=variant] file_mkdir, dirname file_copy,file_delete,file_move spawn [, command]