Module 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, 2003. IGARSS '03. Proceedings. 2003 IEEE International, Vol.6, p.3706-3708.
online version

Author: O.Conrad (c) 2008
Specification: interactive
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 <str>] [-DIST_SCALE <str>] [-DISSOLVE <str>] [-NZONES <num>] [-POLY_INNER <str>] [-DARC <str>]
  -SHAPES:<str>            	Shapes
	Shapes (input)
  -BUFFER:<str>            	Buffer
	Shapes (output)
  -DIST_FIELD:<str>        	Buffer Distance
	Table field
  -DIST_FIELD_DEFAULT:<str>	Default
	Floating point
	Minimum: 0.000000
	Default: 100.000000
  -DIST_SCALE:<str>        	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:<str>              	Arc Vertex Distance [Degree]
	Floating point
	Minimum: 0.010000
	Maximum: 45.000000
	Default: 5.000000