How To Install healpix-c++ on CentOS 7
Introduction
In this tutorial we learn how to install healpix-c++ on CentOS 7.
What is healpix-c++
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. This package contains HEALPix binaries and libraries that are written in C++. NB. Due to some generic names, the binaries have been renamed to start with hp_, e.g. anafast is now hp_anafast.
We can use yum or dnf to install healpix-c++ on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install healpix-c++.
Install healpix-c++ on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install healpix-c++ using yum by running the following command:
sudo yum -y install healpix-c++
Install healpix-c++ on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install healpix-c++ using dnf by running the following command:
sudo dnf -y install healpix-c++
How To Uninstall healpix-c++ on CentOS 7
To uninstall only the healpix-c++ package we can use the following command:
sudo dnf remove healpix-c++
References
Summary
In this tutorial we learn how to install healpix-c++ on CentOS 7 using yum and dnf.
