Shapes Buffer
- Author: O.Conrad, V.Wichmann (c) 2008-2025
- Menu: Shapes | Tools
Description
The tool allows one to buffer point, line and polygon shapes layers.
Uses the free and open source software library Clipper created by Angus Johnson.
References
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Shapes | shapes, input | SHAPES | - | - |
| Output | Buffer | shapes, output | BUFFER | - | - |
| Options | Buffer Distance | table field | DIST_FIELD | - | - |
| Default | floating point number | DIST_FIELD_DEFAULT | default value if no attribute has been selected | Minimum: 0.000000
Default: 100.000000 |
| Scaling Factor for Attribute Value | floating point number | DIST_SCALE | - | Minimum: 0.000000
Default: 1.000000 |
| Dissolve Buffers | boolean | DISSOLVE | - | Default: 1 |
| Number of Buffer Zones | integer number | NZONES | - | Minimum: 1
Default: 1 |
| Inner Buffer | boolean | POLY_INNER | - | Default: 0 |
| Arc Vertex Distance [Degree] | floating point number | DARC | - | Minimum: 0.010000
Maximum: 45.000000
Default: 5.000000 |
| Join Type | choice | JOIN_TYPE | - | Available Choices:
[0] Square
[1] Bevel
[2] Round
[3] Miter
Default: 2 |
| End Type | choice | END_TYPE | - | Available Choices:
[0] Polygon
[1] Joined
[2] Butt
[3] Square
[4] Round
Default: 4 |
Command Line
Usage: saga_cmd shapes_tools 18 [-SHAPES ] [-BUFFER ] [-DIST_FIELD ] [-DIST_FIELD_DEFAULT ] [-DIST_SCALE ] [-DISSOLVE ] [-NZONES ] [-POLY_INNER ] [-DARC ] [-JOIN_TYPE ] [-END_TYPE ]
-SHAPES: Shapes
shapes, input
-BUFFER: Buffer
shapes, output
-DIST_FIELD: Buffer Distance
table field
-DIST_FIELD_DEFAULT: Default
floating point number
Minimum: 0.000000
Default: 100.000000
-DIST_SCALE: Scaling Factor for Attribute Value
floating point number
Minimum: 0.000000
Default: 1.000000
-DISSOLVE: Dissolve Buffers
boolean
Default: 1
-NZONES: Number of Buffer Zones
integer number
Minimum: 1
Default: 1
-POLY_INNER: Inner Buffer
boolean
Default: 0
-DARC: Arc Vertex Distance [Degree]
floating point number
Minimum: 0.010000
Maximum: 45.000000
Default: 5.000000
-JOIN_TYPE: Join Type
choice
Available Choices:
[0] Square
[1] Bevel
[2] Round
[3] Miter
Default: 2
-END_TYPE: End Type
choice
Available Choices:
[0] Polygon
[1] Joined
[2] Butt
[3] Square
[4] Round
Default: 4