Geometric transform implementations

[atbenmurray]

Implementations for unified spatial raster / geometry operations along with unit tests. More to be added later

Description

A few sentences describing the changes proposed in this pull request.

Types of changes

• [x] Non-breaking change (fix or new feature that would not break existing functionality).
• [ ] Breaking change (fix or new feature that would cause existing functionality to change).
• [ ] New tests added to cover the changes.
• [ ] Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• [ ] Quick tests passed locally by running ./runtests.sh --quick --unittests --disttests.
• [ ] In-line docstrings updated.
• [ ] Documentation updated, tested make html command in the docs/ folder.

[vikashg]

Hello Ben, Can you also add a jupyter-notebook with some real images and geometric points (annotations). It will be much easier for to play around with the code without breaking anything. Thanks

[atbenmurray]

Hi @vikashg. I will. As soon as I've finished my camera ready presentation I'll finish this PR. Should all be ready for thursday

[atbenmurray]

Hello Ben, Can you also add a jupyter-notebook with some real images and geometric points (annotations). It will be much easier for to play around with the code without breaking anything. Thanks

Yes, I'll provide one