Web Maps and Geovisualization
Static maps, on the other hand, are just JPGs or PDF files that are not interactive.
GIS Web Application Development
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To use the libraries published on npm you only need to run a single command on your terminal. For instance, to install Leaflet you run the following command on your terminal.
|npm install leaflet|
If you want to use a specific version of the software you can specify it with the npm command, otherwise, it will install the latest stable version. If you have several libraries you want to use in your project, list them inside a package.json file inside your development environment. Upon running the npm install on the terminal, all the libraries will be installed along with their dependencies.
Remember, to use npm you need to install Node.js on your machine which will come with npm.
Esri developed an API that allows users to build interactive web applications that support both 2D, and 3D displays of geospatial data. Using the API you can display maps, style layers, search for places, geocode addresses, find routes, or perform advanced operations such as data enrichment or spatial analysis. It is worth noting that, unlike the other two front-end APIs, Esri’s is a proprietary product, and you will need to purchase a license to use it.
Unlike the other libraries focused on displaying and interacting with spatial data on the client side, Turf.js offers spatial analysis both on the client side, as well as the server side. On the browser, it is run as a plugin, while on the server side, it runs with Node.js. Turf.js allows the user to carry out spatial operations such as measurements, coordinate system transformations, feature conversion, and classification, among other functionalities. It is a simple, modular, and fast plugin that can implement complex operations effectively. Check out the official documentation.
- GoogleMaps API