How To Install proj-data on Ubuntu 18.04
Introduction
In this tutorial we learn how to install proj-data on Ubuntu 18.04.
What is proj-data
proj-data is:
Proj and invproj perform respective forward and inverse transformation of cartographic data to or from Cartesian data with a wide range of selectable projection functions (over 100 projections).
Geod and invgeod perform geodesic (Great Circle) computations for determining latitude, longitude and back azimuth of a terminus point given a initial point latitude, longitude, azimuth and distance (direct) or the forward and back azimuths and distance between an initial and terminus point latitudes and longitudes (inverse).
This package contains auxiliary projection datum grids used by the library and tools.
There are three methods to install proj-data 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 proj-data Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install proj-data using apt-get by running the following command:
sudo apt-get -y install proj-data
Install proj-data Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install proj-data using apt by running the following command:
sudo apt -y install proj-data
Install proj-data 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 proj-data using aptitude by running the following command:
sudo aptitude -y install proj-data
How To Uninstall proj-data on Ubuntu 18.04
To uninstall only the proj-data package we can use the following command:
sudo apt-get remove proj-data
Uninstall proj-data And Its Dependencies
To uninstall proj-data and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove proj-data
Remove proj-data Configurations and Data
To remove proj-data configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge proj-data
Remove proj-data configuration, data, and all of its dependencies
We can use the following command to remove proj-data configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge proj-data
References
Summary
In this tutorial we learn how to install proj-data package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
