How To Install libchealpix0 on Ubuntu 18.04

In this tutorial we learn how to install libchealpix0 on Ubuntu 18.04. libchealpix0 is HEALPix representation of spherical data - C shared library

Introduction

In this tutorial we learn how to install libchealpix0 on Ubuntu 18.04.

What is libchealpix0

libchealpix0 is:

HEALPix is an acronym for Hierarchical Equal Area isoLatitude Pixelization of a sphere. As suggested in the name, this pixelization produces a subdivision of a spherical surface in which each pixel covers the same surface area as every other pixel. It is commonly used to store all-sky astronomical images, most famously maps of the cosmic microwave background.

This package provides the dynamic library for the C language implementation of HEALPix. The C library provides basic input/output of HEALPix maps as well as basic spatial operations like conversion between spherical coordinates and HEALPix pixels.

There are three methods to install libchealpix0 on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libchealpix0 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libchealpix0 using apt-get by running the following command:

sudo apt-get -y install libchealpix0

Install libchealpix0 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libchealpix0 using apt by running the following command:

sudo apt -y install libchealpix0

Install libchealpix0 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 Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libchealpix0 using aptitude by running the following command:

sudo aptitude -y install libchealpix0

How To Uninstall libchealpix0 on Ubuntu 18.04

To uninstall only the libchealpix0 package we can use the following command:

sudo apt-get remove libchealpix0

Uninstall libchealpix0 And Its Dependencies

To uninstall libchealpix0 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libchealpix0

Remove libchealpix0 Configurations and Data

To remove libchealpix0 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libchealpix0

Remove libchealpix0 configuration, data, and all of its dependencies

We can use the following command to remove libchealpix0 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libchealpix0

References

Summary

In this tutorial we learn how to install libchealpix0 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.