How To Install node-proj4 on Debian 9
Introduction
In this tutorial we learn how to install node-proj4 on Debian 9.
What is node-proj4
node-proj4 is:
Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.
This library is a port of both the PROJ.4 and GCTCP C libraries to JavaScript. Enabling these transformations in the browser allows geographic data stored in different projections to be combined in browser-based web mapping applications.
Proj4js is a part of the MetaCRS group of projects and uses the same MIT style license as PROJ.4.
This package contains the proj4 module for Node.js.
Node.js is an event-based server-side JavaScript engine.
There are three methods to install node-proj4 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 node-proj4 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install node-proj4 using apt-get by running the following command:
sudo apt-get -y install node-proj4
Install node-proj4 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install node-proj4 using apt by running the following command:
sudo apt -y install node-proj4
Install node-proj4 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 node-proj4 using aptitude by running the following command:
sudo aptitude -y install node-proj4
How To Uninstall node-proj4 on Debian 9
To uninstall only the node-proj4 package we can use the following command:
sudo apt-get remove node-proj4
Uninstall node-proj4 And Its Dependencies
To uninstall node-proj4 and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove node-proj4
Remove node-proj4 Configurations and Data
To remove node-proj4 configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge node-proj4
Remove node-proj4 configuration, data, and all of its dependencies
We can use the following command to remove node-proj4 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge node-proj4
Dependencies
node-proj4 have the following dependencies:
References
Summary
In this tutorial we learn how to install node-proj4 package on Debian 9 using different package management tools: apt, apt-get and aptitude.
