Wrap grdproject

[willschlitzer]

This pull requests wraps the GMT module grdproject.

Reminders

• Run make format and make check to make sure the code follows the style guide.
• Add tests for new features or tests that would have caught the bug that you're fixing.
• Add new public functions/methods/classes to doc/api/index.rst.
• Write detailed docstrings for all functions/methods.
• If adding new functionality, add an example to docstrings or tutorials.

Slash Commands

You can write slash commands (/command) in the first line of a comment to perform
specific operations. Supported slash commands are:

• /format: automatically format and lint the code
• /test-gmt-dev: run full tests on the latest GMT development version

[maxrjones]

Thanks for wrapping this module!

What do you think about adding a value-based check to the tests (using npt.assert_allclose(), similar to grdgradient tests), in addition to the current metadata-based checks?

[willschlitzer]

Thanks for wrapping this module!

What do you think about adding a value-based check to the tests (using npt.assert_allclose(), similar to grdgradient tests), in addition to the current metadata-based checks?

I'll add them in!

[seisman]

Looks good to me.

[seisman]

@willschlitzer Please resolve the conflicts.

[maxrjones]

Nice work!

[seisman]

/format

[seisman]

@willschlitzer Please see my above suggestion. Otherwise, I think this PR is ready to merge.