Class to support viewshed raster generation. More...

#include <viewshed.h>

Classes
struct	Options
	Options for viewshed generation. More...

struct	Point
	A point. More...

struct	Window
	A window in a raster including pixels in [xStart, xStop) and [yStart, yStop). More...

Public Types
enum class	OutputMode { Normal , DEM , Ground }
	Raster output mode. More...

enum class	CellMode { Diagonal , Edge , Max , Min }
	Cell height calculation mode. More...

Public Member Functions
	Viewshed (const Options &opts)
	Constructor. More...

	Viewshed (const Viewshed &)=delete

Viewshed &	operator= (const Viewshed &)=delete

bool	run (GDALRasterBandH hBand, GDALProgressFunc pfnProgress=GDALDummyProgress, void *pProgressArg=nullptr)
	Compute the viewshed of a raster band. More...

std::unique_ptr< GDALDataset >	output ()
	Fetch a pointer to the created raster band. More...

Detailed Description

Class to support viewshed raster generation.

Member Enumeration Documentation

◆ CellMode

enum gdal::Viewshed::CellMode

strong

Cell height calculation mode.

Enumerator
Diagonal	Diagonal Mode.
Edge	Edge Mode.
Max	Maximum value produced by Diagonal and Edge mode.
Min	Minimum value produced by Diagonal and Edge mode.

◆ OutputMode

enum gdal::Viewshed::OutputMode

strong

Raster output mode.

Enumerator
Normal	Normal output mode (visibility only)
DEM	Output height from DEM.
Ground	Output height from ground.

Constructor & Destructor Documentation

◆ Viewshed()

gdal::Viewshed::Viewshed ( const Options & opts )

inlineexplicit

Constructor.

Parameters

opts	Options to use when calculating viewshed.

Member Function Documentation

◆ output()

std::unique_ptr<GDALDataset> gdal::Viewshed::output ( )

inline

Fetch a pointer to the created raster band.

Returns: Unique pointer to the viewshed dataset.

◆ run()

bool gdal::Viewshed::run	(	GDALRasterBandH	band,
		GDALProgressFunc	pfnProgress = `GDALDummyProgress`,
		void *	pProgressArg = `nullptr`
	)

Compute the viewshed of a raster band.