roughness-prefilter command not found

Introduction

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

roughness-prefilter: command not found

or when using sudo you get the following error message

sudo: roughness-prefilter: command not found

Solutions to roughness-prefilter: command not found

How To Fix roughness-prefilter: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu roughness-prefilter is provided by libfilament-tools package.

libfilament-tools is:

Physically based rendering is a rendering method that provides a more accurate representation of materials and how they interact with light when compared to traditional real-time models.

This package installs the command-line tools for material preprocessing.

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

sudo apt-get -y install libfilament-tools

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

You can also use apt command to install libfilament-tools.

sudo apt -y install libfilament-tools

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

sudo aptitude install libfilament-tools

Summary

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