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README.md

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+---
+license: cc-by-sa-4.0
+task_categories:
+  - image-classification
+  - object-detection
+tags:
+  - vortex
+  - fluid-dynamics
+  - astronomy
+  - nebula
+  - tornado
+  - waterspout
+  - CNN
+  - vortex-detection
+pretty_name: Vortex Vision Training Data
+size_categories:
+  - n<1K
+---
+
+# Vortex Vision Training Data
+
+Multi-scale vortex structure training images for the [vortex-vision](https://github.com/JimGalasyn/vortex-vision) CNN/GNN pipeline.
+
+## Overview
+
+This dataset contains labeled images of vortex structures across physical scales, from atmospheric phenomena (tornadoes, waterspouts, jellyfish clouds) to astronomical objects (nebular pillars, proplyds, filaments). The goal is to train a neural network that identifies vortex morphologies (columns, rings, braids, Y-junctions, X-crossings, kinks) independent of scale and medium.
+
+## Organization
+
+```
+atmospheric/
+├── waterspouts/     # Waterspout photographs
+├── tornadoes/       # Tornado photographs
+└── clouds/          # Jellyfish clouds, funnel clouds
+nebular/
+├── pillars/         # Eagle Nebula, Carina, IC 1396A, etc.
+├── proplyds/        # Protoplanetary disks in Orion, etc.
+├── jets/            # Protostellar jets
+└── filaments/       # Galactic center, dust lanes
+laboratory/          # Smoke rings, PIV, superfluid He
+simulation/          # GPE and Biot-Savart simulation outputs
+```
+
+## Catalog
+
+The catalog metadata (object definitions, observation records, feature annotations) is maintained in the main [vortex-vision](https://github.com/JimGalasyn/vortex-vision) repository under `data/catalog/` and `data/annotations/`. Image filenames in the catalog reference paths in this dataset.
+
+## Key Objects
+
+| Object ID | Name | Scale | Features |
+|-----------|------|-------|----------|
+| neb_pillar_001 | IC 1396A Elephant Trunk | Nebular | Ring, braid, Y-junction, virga, self-similar sub-ring |
+| atmo_waterspout_001 | Whitsunday Waterspout | Atmospheric | Resolved braid, ring at base and top |
+| atmo_tornado_001 | Y-Junction Tornado | Atmospheric | Textbook Y-junction |
+| atmo_waterspout_002 | Po River Delta Merger | Atmospheric | Time-resolved vortex reconnection (4 frames) |
+
+## Vortex Feature Taxonomy
+
+- **Column**: Elongated vortex filament
+- **Ring**: Toroidal vortex (ring vortex)
+- **Braid**: Two or more filaments wound around shared axis
+- **Y-junction**: Three filaments meeting at a point (merge or split)
+- **X-crossing**: Two filaments crossing/reconnecting
+- **Kink**: Sharp bend in a filament (possibly from embedded ring)
+- **Kelvin wave**: Helical oscillation along a filament
+- **Virga**: Entrained material draping from a ring vortex
+
+## License
+
+Individual image licenses vary — see the observation catalog for per-image attribution and license information. Dataset structure and annotations are CC-BY-SA 4.0.