How To Install libcgal-qt5-12 on Debian 9

In this tutorial we learn how to install libcgal-qt5-12 on Debian 9. libcgal-qt5-12 is C++ library for computational geometry (support for Qt5)

Introduction

In this tutorial we learn how to install libcgal-qt5-12 on Debian 9.

What is libcgal-qt5-12

libcgal-qt5-12 is:

CGAL (Computational Geometry Algorithms Library) makes the most important of the solutions and methods developed in computational geometry available to users in industry and academia in a C++ library. The goal is to provide easy access to useful, reliable geometric algorithms.

The CGAL library contains:

  • the Kernel with geometric primitives such as points, vectors, lines, predicates for testing things such as relative positions of points, and operations such as intersections and distance calculation.
  • the Basic Library which is a collection of standard data structures and geometric algorithms, such as convex hull in 2D/3D, (Delaunay) triangulation in 2D/3D, planar map, polyhedron, smallest enclosing circle, and multidimensional query structures.
  • the Support Library which offers interfaces to other packages, e.g., for visualisation, and I/O, and other support facilities.

This package contains libCGAL_Qt5.so used for visualization in demos.

There are three methods to install libcgal-qt5-12 on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libcgal-qt5-12 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libcgal-qt5-12 using apt-get by running the following command:

sudo apt-get -y install libcgal-qt5-12

Install libcgal-qt5-12 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libcgal-qt5-12 using apt by running the following command:

sudo apt -y install libcgal-qt5-12

Install libcgal-qt5-12 Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libcgal-qt5-12 using aptitude by running the following command:

sudo aptitude -y install libcgal-qt5-12

How To Uninstall libcgal-qt5-12 on Debian 9

To uninstall only the libcgal-qt5-12 package we can use the following command:

sudo apt-get remove libcgal-qt5-12

Uninstall libcgal-qt5-12 And Its Dependencies

To uninstall libcgal-qt5-12 and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libcgal-qt5-12

Remove libcgal-qt5-12 Configurations and Data

To remove libcgal-qt5-12 configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libcgal-qt5-12

Remove libcgal-qt5-12 configuration, data, and all of its dependencies

We can use the following command to remove libcgal-qt5-12 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libcgal-qt5-12

Dependencies

libcgal-qt5-12 have the following dependencies:

References

Summary

In this tutorial we learn how to install libcgal-qt5-12 package on Debian 9 using different package management tools: apt, apt-get and aptitude.