native:simplifygeometries
How QGIS runs Simplify: native:simplifygeometries.
| Engine | QGIS |
|---|---|
| Tool name | native:simplifygeometries |
| Interface | qgis-process |
| Implements | Simplify |
| Preset | {"METHOD":0} |
| Documentation | Not stated |
| Effects | modifies input: no, network: no |
| Notes | Not stated |
| Status | active |
Parameters
| Name | Type | Required | Default | Choices | Note |
|---|---|---|---|---|---|
INPUT | source | yes | Not stated | Not stated | Not stated |
METHOD | enum | yes | 0 | 0, 1, 2 | 0 Distance (Douglas-Peucker), 1 Snap to grid, 2 Area (Visvalingam) |
OUTPUT | sink | yes | Not stated | Not stated | output |
TOLERANCE | distance | yes | 1 | Not stated | Not stated |
How it maps to the operation
| Operation parameter | Parameter here | Note |
|---|---|---|
layer | INPUT | Not stated |
output | OUTPUT | Not stated |
tolerance | TOLERANCE | Not stated |
unit | Not stated | always crs-units. Tolerance is in the layer's CRS units; convert it first. |
Differences from the operation
- METHOD also offers snap-to-grid and Visvalingam (area) simplification; this mapping uses Douglas-Peucker.
Harvested by the qgis harvester from engine version
4.2.3. Names can change when an engine is harvested again.