Further docstring suggestions

[trexfeathers]

🚀 Pull Request

Description

• filters.py
• geometry.py
• transform.py

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[trexfeathers]

Note this will likely conflict with #844 once that is merged.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.19%. Comparing base (27dc269) to head (283e79f).

:exclamation: Current head 283e79f differs from pull request most recent head 28fd4b3

Please upload reports for the commit 28fd4b3 to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #845 +/- ## ========================================== + Coverage 91.18% 91.19% +0.01% ========================================== Files 58 58 Lines 2939 2943 +4 ========================================== + Hits 2680 2684 +4 Misses 259 259 ```

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