normal3d command not found

In this troubleshooting guide we learn how to fix normal3d command not found error message

Introduction

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

normal3d: command not found

or when using sudo you get the following error message

sudo: normal3d: command not found

Solutions to normal3d: command not found

How To Fix normal3d: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu normal3d is provided by raster3d package.

raster3d is:

Raster3D is a set of tools for generating high quality raster images of proteins or other molecules. The core program renders spheres, triangles, cylinders, and quadric surfaces with specular highlighting, Phong shading, and shadowing. It uses an efficient software Z-buffer algorithm which is independent of any graphics hardware. Ancillary programs process atomic coordinates from PDB files into rendering descriptions for pictures composed of ribbons, space-filling atoms, bonds, ball+stick, etc. Raster3D can also be used to render pictures composed in other programs such as Molscript in glorious 3D with highlights, shadowing, etc. Output is to pixel image files with 24 bits of color information per pixel.

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

sudo apt-get -y install raster3d

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

You can also use apt command to install raster3d.

sudo apt -y install raster3d

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

sudo aptitude install raster3d

Summary

In this tutorial we learn how to fix normal3d command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.