Visibility Analysis

Author: O.Conrad (c) 2022
Menu: Terrain Analysis | Lighting

Description

Visibility or viewshed analysis.

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	grid, input	`ELEVATION`	-	-
Output	Visibility	grid, output	`VISIBILITY`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Output	choice	`METHOD`	-	Available Choices: [0] Visibility [1] Shade [2] Distance [3] Size Default: 3
	Unit	choice	`UNIT`	-	Available Choices: [0] radians [1] degree Default: 1
	Cumulative	boolean	`CUMULATIVE`	If not set, output is the maximum size, or the cumulated sizes otherwise.	Default: 0
	Ignore No-Data	boolean	`NODATA`	Ignore elevations that have been marked as no-data.	Default: 0
	Height	floating point number	`HEIGHT`	Height of the light source or observer above ground.	Minimum: 0.000000 Default: 10.000000
	Add Multiple Locations	boolean	`MULTIPLE`	Add multiple light source or observer positions.	Default: 0

Command Line


Usage: saga_cmd ta_lighting 1 [-ELEVATION ] [-VISIBILITY ] [-METHOD ] [-UNIT ] [-CUMULATIVE ] [-NODATA ] [-HEIGHT ] [-MULTIPLE ]
  -ELEVATION: 	Elevation
	grid, input
  -VISIBILITY:	Visibility
	grid, output
  -METHOD:    	Output
	choice
	Available Choices:
	[0] Visibility
	[1] Shade
	[2] Distance
	[3] Size
	Default: 3
  -UNIT:      	Unit
	choice
	Available Choices:
	[0] radians
	[1] degree
	Default: 1
  -CUMULATIVE:	Cumulative
	boolean
	Default: 0
  -NODATA:    	Ignore No-Data
	boolean
	Default: 0
  -HEIGHT: 	Height
	floating point number
	Minimum: 0.000000
	Default: 10.000000
  -MULTIPLE:  	Add Multiple Locations
	boolean
	Default: 0