Extends Leaflet to include functionality and a look-and-feel built specifically for the National Park Service.
This library is under active development, so please help test and report issues.
You may also want to take a look at NPMap Builder. It is a graphical interface that walks through the process of building a map with NPMap.js, step-by-step.
Heavily inspired (cough cough) by Mapbox.js, and, of course, built on the great Leaflet library. Standing on the shoulders of giants. Also, many thanks to the authors of all the great plugins used in/by the library (take a look at LICENSE.md for a list).
NPMap.js is versioned using semantic versioning. This means that releases are numbered:
major.minor.patch and follow these guidelines:
- Breaking backward compatibility bumps the major (and resets the minor and patch to zero)
- New additions that don't break backward compatibility bumps the minor (and resets the patch to zero)
- Bug fixes and miscellaneous changes bumps the patch
NPMap.js is hosted on the National Park Service's content delivery network. If you are a National Park Service employee, partner, or contractor, feel free to load the library directly from there. You can access hosted versions at http://www.nps.gov/lib/npmap.js/major.minor.patch/npmap-bootstrap.min.js. You should replace "major.minor.patch" with the number of the version you want to access (e.g.
You must have node.js installed to run the build. After installing node.js:
git clone https://github.com/nationalparkservice/npmap.js cd npmap.js npm install
Install the Grunt command line tool (do this once as an admin user after installing node.js):
npm install -g grunt-cli
Copy secrets.sample.json to a file called secrets.json for development and testing:
cp secrets.sample.json secrets.json
Then use Grunt to build the library:
Internally, the Grunt task uses browserify to combine dependencies. It is installed locally, along with other required packages, when you run
We are working to expand test coverage for the library.
Take a look at the API docs.
Simple and targeted examples reside in the examples directory. This is a great starting point if you're new to NPMap.js.