Migrating to toolkit#112
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This update refactors SSAPy toward a leaner core package and aligns higher-level utilities with SSAPy-Toolkit.
Summary of changes
Removed plotting-focused tests and reduced plotting exposure in core SSAPy
Removed higher-level compute utilities that are now maintained in SSAPy-Toolkit
Updated top-level and docs README content to reference SSAPy-Toolkit
Added new symplectic propagators:
LeapfrogPropagator
Leapfrog4Propagator
Updated tests to reflect the reduced core surface area
Updated packaging and project metadata (pyproject.toml, requirements, docs text, etc.)
Removed the obsolete simple.py module and associated test
Adjusted tests that depend on unavailable Git LFS data so they skip only when required assets are missing
Removed core dependency declarations for:
matplotlib
hdf5-related support
pandas
imageio
Compute / API cleanup
The core ssapy.compute module was reduced to keep orbit propagation and observation geometry functionality in SSAPy while leaving higher-level utilities to the toolkit. Tests were updated accordingly.
Plotting / toolkit split
README and documentation text now point users to the companion project:
SSAPy-Toolkit https://github.com/llnl/SSAPy-Toolkit
for:
plotting tools
higher-level utilities
convenience workflows
additional coordinate conversion helpers
Lambertian brightness / magnitude utilities
New propagators
Added fixed-step symplectic propagators for conservative dynamics workflows:
LeapfrogPropagator
Leapfrog4Propagator
These are intended primarily for conservative force models and long-term orbital integrations.
Dependency cleanup
To better separate the SSAPy core package from higher-level visualization and auxiliary workflows, the following dependency categories were removed from core SSAPy requirements where applicable:
matplotlib
pandas
imageio
hdf5-related support
This keeps the core package lighter and shifts plotting / auxiliary workflow dependencies away from the base install.
Packaging / metadata
Updated package metadata and dependency declarations to better reflect the current core package structure, including updates to:
pyproject.toml
requirements.txt
README / docs text
Test updates
Removed obsolete tests for deleted or toolkit-moved functionality
Removed tests/test_simple.py
Updated compute and orbit tests
Added tests for the new leapfrog propagators