--[TEMP DO NOT MERGE] Hssd ao utilities jt

[jturner65]

Motivation and Context

This is a version of the HSSD ao utilities that has been rebased onto the markerset PR here and has had the work from @aclegg3 's alex-04_22-marker_set_util branch for handling marker placement merged into examples/viewer.py

How Has This Been Tested

Types of changes

• [ ] Docs change / refactoring / dependency upgrade
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have completed my CLA (see CONTRIBUTING)
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.