General Usage Tips
- Use the Locator Bar (Ctrl+K) to quickly access layers, tools, and settings.
- Customize your UI via Settings > Interface Customization to streamline your workspace.
- Enable Auto-Save Projects under Settings > Options > General to prevent data loss.
Processing Toolbox Shortcuts
| Task | Tool | Shortcut |
|---|---|---|
| Clip vector layer | Clip | Search: “clip” |
| Buffer geometries | Buffer | Search: “buffer” |
| Merge rasters | Merge | Search: “merge raster” |
| Reproject layer | Reproject layer | Search: “reproject” |
Expression Cheat Sheet
| Function | Purpose | Example |
|---|---|---|
| area($geometry) | Calculate area | Polygon area |
| length($geometry) | Line length | Road segments |
| crsfromstring(‘EPSG:4326’) | Set CRS | Useful in models |
| reverse(‘Jinka’) | Reverse string | Returns “akniJ” |
| repeat(‘Hazard’, 3) | Repeat string | Returns “HazardHazardHazard” |
Layer & Data Tips
- Use Layer Groups to organize complex projects.
- Apply WMS-T time dimension to group nodes for temporal mapping.
- Use Select by Expression for advanced filtering (e.g., risk_level = ‘high’ AND region = ‘South’).
Learning Resources
- QGIS Training Manual: Step-by-step modules from basic mapping to spatial databases.
- QGIS 3.44 Changelog: Full list of new features and enhancements.