add simplification for region polygons

OCR4all / LAREX

A semi-automatic open-source tool for Layout Analysis and Region EXtraction on early printed books.

MIT License

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add simplification for region polygons #295

Closed chaddy314 closed 2 years ago

chaddy314 commented 2 years ago

This Pull Request adds the ability to simplify selected region polygons shown in the editor using the Topology preserving Simplifier from the JTS Toplogy Suite. The function is available in the SEGMENTS sidebar trough Actions with tolerance=5 as default.

Larex Test Page: unsiimplified to tolerance=8:
Unsimplified vs tolerance = 10:

closes #286