qgis-impl-vector-analysis
Installation
SKILL.md
qgis-impl-vector-analysis
Quick Reference
Core Classes
| Class | Purpose | Import |
|---|---|---|
QgsFeatureRequest |
Filter features by rect, expression, or FID | qgis.core |
QgsSpatialIndex |
In-memory R-tree for fast spatial lookups | qgis.core |
QgsGeometry |
Geometry operations (buffer, intersects, contains) | qgis.core |
QgsVectorFileWriter |
Write vector layers to disk (GPKG, SHP, GeoJSON) | qgis.core |
QgsCoordinateTransformContext |
CRS transformation context for output | qgis.core |
processing |
Run QGIS Processing algorithms | import processing |