RVC::OP::VIEWSHED Class Reference

Class for creating viewshed rasters. More...

#include <rvc/opviewshed.h>

List of all members.

Classes
struct	VIEWPOINTINFO
Public Types
enum	FLAGS { FLAG_None = 0x0000, FLAG_EarthCurvature = 0x0001, FLAG_InvertTransparency = 0x0002 }
Public Member Functions
	VIEWSHED ()
Static Public Member Functions
static ERRVALUE	Compute (const RVC::OBJITEM &SrcItem, RVC::OBJITEM &DestItem, const LPOINT2D *viewpts, double height, double zscale, UINT8 numviewpts, UINT8 enviewpts, double maxdistance, DRANGE hrzAngle, DRANGE vrtAngle, FLAGS flags=FLAG_None)
static ERRVALUE	Compute (const RVC::OBJITEM &SrcItem, RVC::OBJITEM &DestItem, DOUBLE_ARRAY< RVC::OP::VIEWSHED::VIEWPOINTINFO > &ViewpointInfo, double zscale, UINT8 enviewpts, FLAGS flags=FLAG_None)

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Detailed Description

Class for creating viewshed rasters.

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Member Enumeration Documentation

enum RVC::OP::VIEWSHED::FLAGS

Enumerator:

FLAG_None
FLAG_EarthCurvature
FLAG_InvertTransparency

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Constructor & Destructor Documentation

RVC::OP::VIEWSHED::VIEWSHED

(

)

[inline]

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Member Function Documentation

static ERRVALUE RVC::OP::VIEWSHED::Compute	(	const RVC::OBJITEM &	SrcItem,
		RVC::OBJITEM &	DestItem,
		const LPOINT2D *	viewpts,
		double	height,
		double	zscale,
		UINT8	numviewpts,
		UINT8	enviewpts,
		double	maxdistance,
		DRANGE	hrzAngle,
		DRANGE	vrtAngle,
		FLAGS	flags = FLAG_None
	)			[static]

Parameters:

	SrcItem	Input raster
	DestItem	Output raster
	viewpts	viewpoints list
	height	height of view
	zscale	Z scale
	numviewpts	number of viewpoints
	enviewpts	number of view points enough for cell to be "visible"
	maxdistance	max distance for point to be visible from observer
	hrzAngle	View angle horizontal limits (0 - 360 degrees)
	vrtAngle	View angle vertical limits (-90 - 90 degrees)
	flags	Optional flags: FLAG_EarthCurvature and FLAG_InvertTransparency

static ERRVALUE RVC::OP::VIEWSHED::Compute	(	const RVC::OBJITEM &	SrcItem,
		RVC::OBJITEM &	DestItem,
		DOUBLE_ARRAY< RVC::OP::VIEWSHED::VIEWPOINTINFO > &	ViewpointInfo,
		double	zscale,
		UINT8	enviewpts,
		FLAGS	flags = FLAG_None
	)			[static]

Parameters:

	SrcItem	Input raster
	DestItem	Output raster
	ViewpointInfo	View point information
	zscale	Z scale
	enviewpts	number of view points enough for cell to be "visible"
	flags	Optional flags: FLAG_EarthCurvature and FLAG_InvertTransparency

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The documentation for this class was generated from the following file:

• rvc/opviewshed.h