xtherion command not found

In this troubleshooting guide we learn how to fix xtherion command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

xtherion: command not found

or when using sudo you get the following error message

sudo: xtherion: command not found

Solutions to xtherion: command not found

How To Fix xtherion: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu xtherion is provided by therion package.

therion is:

Therion aids the process of drawing up cave surveys (maps). Drawings are done over scans and can be distorted to fit the centreline data. Output is in single sheet or atlas style PDF or SVG files. All data is stored in text files and a map editor (xtherion) is provided to aid in the creation of the files. A wide range of co-ordinate systems is supported.

Therion can also produce 3D models, generated from walls and passage-heights. Output formats supported are Survex .3d files, VRML, DXF, SVG, shapefiles, and the native .lox. Scanned map overlays and relief data can be incorporated into models. Therion is compatible with Survex, and centreline data can be stored in Survex or Therion form. If survex is installed it is used for loop closures. Centreline data and sketches can be imported from PocketTopo, allowing full paperless surveying.

TeX and metapost are used to generate the images. libtk-img is needed to use scans in formats other than GIF and PNM (such as PNG and JPEG). Survex will be used for loop-closure if installed, but is not required.

You will need appropriate TeX language packages to process therion files which specify those character sets: texlive-lang-czechslovak is needed to process the examples, and texlive-lang-cyrillic is also suggested. See README.Debian for details.

To fix this problem, we can install more using the command below.

sudo apt-get -y install therion

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install therion.

sudo apt -y install therion

Or if you have aptitude installed you can use the following command.

sudo aptitude install therion

Summary

In this tutorial we learn how to fix xtherion command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.