opengtl-tools software package provides Graphics Transformation Libraries, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install opengtl-tools
opengtl-tools is installed in your system.
Make ensure the opengtl-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep opengtl-tools *
You will get with opengtl-tools package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Graphics |
| Package | opengtl-tools |
| Version | 0.9.18-0ubuntu1 |
| Description | Graphics Transformation Libraries |
| Sub Section | Graphics |