This tool performs a visibility analysis using light source or observer points from a points layer.

Name	Type	Identifier	Description	Constraints
Input
Elevation	grid, input	ELEVATION
Points	shapes, input	POINTS	Observer points.
Output
Visibility	grid, output	VISIBILITY
Options
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	table field	HEIGHT	Height of the light source or observer above ground.
Default	floating point number	HEIGHT_DEFAULT	default value if no attribute has been selected	Minimum: 0.000000 Default: 10.000000