Interactive Data Language
The IDL program suite consists of the
idl program proper
idlde with debugging extensions. You can run a huge
set of demos by invoking
idldemo. Finally, there is rich
online documentation available if you use
idlhelp which has good search capabilities.
- IDL is a licensed program which we pay for. There are only a certain number of license slots available. Therefore, exit the program as soon as you are finished in order not to block usage for your colleagues.
- Reference: http://www.ittvis.com/idl/
Versions available on NBI machines:
There are a limited number of stand-alone licenses available so staff and students can use IDL on stand-alone machines. Further information can be obtained by contacting firstname.lastname@example.org.
IDL's predefined colour tables are built on an 8-bit colour model. To have IDL translate colour as indices into the current IDL colour table on a machine using 24-bit colour, the following commands must be executed once per IDL session:
DEVICE, True_Color=24 DEVICE, DECOMPOSE = 0
This can also be automatized by entering the commands in a file ~/.idlrc and then defining
setenv IDL_STARTUP ~/.idlrc
in your .cshrc or .tcshrc file.
The previous version is normally available as the program name with a version or
-prev suffix. A possible test version likewise has a version or
-next suffix. Thus the present version of idl is
idl while the previous is
idl-prev. A possible new version is