GDL

ডিপথট থেকে

GNU Data Language, an open source and free alternative to IDL

How to install in Ubuntu

To install run the following command,

sudo apt-get install gnudatalanguage

Thus GDL will be installed and the .pro libraries will be stored in the following folder,

/usr/share/gnudatalanguage

Set up IDL/GDL environment

If you are using B-Shell than first add the following line in ~/.bashrc file,

export IDL_STARTUP=/home/md/gdl/gdlstartup.pro

Then, create the gdlstartup.pro file in the aforementioned directory and write in it,

!PATH =  Expand_Path('+~/gdl/coyote') + ':' + $
         Expand_Path('+~/gdl/catalyst') + ':' + $
         Expand_Path('+~/gdl/others') + ':' + $
         !PATH

For details see this.

IDL astronomy library

It can be downloaded from here and installed according to the instructions provided here.

In the download page, any of the first 3 files can be used for installation.

PLplot xwin driver

This driver is needed in order to view plots on a window. To install,

sudo apt-get install plplot11-driver-xwin