Cameron Cummins

Added winkel tripel projection class

5

## Rationale Winkel-Tripel is a popular projection that would be used by multiple users (my group at UT and folks at NCAR). It is also the primary projection for the...

### All Submissions: * [x] Have you followed the guidelines in our [Contributor's Guide](https://github.com/NCAR/CUPiD/wiki/Contributor's-Guide) (including the `pre-commit` check)? * [x] Have you checked to ensure there aren't other open [Pull...

Building from source using the latest version of `pip` needed `numpy` as a build dependency. The (optional) docker container creates a portable and reproducible development environment. This makes testing more...