Tool Shapes Buffer
A vector based buffer construction partly based on the method supposed by Dong et al. (2003).
References
- Dong, P, Yang, C., Rui, X., Zhang, L., Cheng, Q. (2003): An effective buffer generation method in GIS. Geoscience and Remote Sensing Symposium, IGARSS '03. Proceedings. 2003 IEEE International, Vol.6, p.3706-3708. online.
- Author: O.Conrad (c) 2008
- Menu: Shapes|Tools
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 | DIST_FIELD_DEFAULT | default value if no attribute has been selected | Minimum: 0.000000
Default: 100.000000 |
| Scaling Factor for Attribute Value | Floating point | DIST_SCALE | - | Minimum: 0.000000
Default: 1.000000 |
| Dissolve Buffers | Boolean | DISSOLVE | - | Default: 1 |
| Number of Buffer Zones | Integer | NZONES | - | Minimum: 1
Default: 1 |
| Inner Buffer | Boolean | POLY_INNER | - | Default: 0 |
| Arc Vertex Distance [Degree] | Floating point | DARC | - | Minimum: 0.010000
Maximum: 45.000000
Default: 5.000000 |
| (*) optional |
Command-line
Usage: saga_cmd shapes_tools 18 [-SHAPES <str>] [-BUFFER <str>] [-DIST_FIELD <str>] [-DIST_FIELD_DEFAULT <double>] [-DIST_SCALE <double>] [-DISSOLVE <str>] [-NZONES <num>] [-POLY_INNER <str>] [-DARC <double>]
-SHAPES:<str> Shapes
Shapes (input)
-BUFFER:<str> Buffer
Shapes (output)
-DIST_FIELD:<str> Buffer Distance
Table field
-DIST_FIELD_DEFAULT:<double> Default
Floating point
Minimum: 0.000000
Default: 100.000000
-DIST_SCALE:<double> Scaling Factor for Attribute Value
Floating point
Minimum: 0.000000
Default: 1.000000
-DISSOLVE:<str> Dissolve Buffers
Boolean
Default: 1
-NZONES:<num> Number of Buffer Zones
Integer
Minimum: 1
Default: 1
-POLY_INNER:<str> Inner Buffer
Boolean
Default: 0
-DARC:<double> Arc Vertex Distance [Degree]
Floating point
Minimum: 0.010000
Maximum: 45.000000
Default: 5.000000