proland::ElevationMargin Class Reference

A Margin to clip a Graph for an ElevationGraphLayer. More...

#include <ElevationMargin.h>

Inheritance diagram for proland::ElevationMargin:

List of all members.

Public Member Functions
	ElevationMargin ()
	Creates an uninitialized ElevationMargin.
	ElevationMargin (int samplesPerTile, float borderFactor)
	Creates a new ElevationMargin.
virtual	~ElevationMargin ()
	Deletes this ElevationMargin.
virtual double	getMargin (double clipSize)
	Returns the margin for the given clip region.
Protected Attributes
int	samplesPerTile
	Number of pixels per elevation tile, without borders.
float	borderFactor
	Size of the tile borders in percentage of tile size.

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Detailed Description

A Margin to clip a Graph for an ElevationGraphLayer.

This margin enlarges the clip region so that it also includes the elevation tile borders.

Authors:

Antoine Begault, Eric Bruneton

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Constructor & Destructor Documentation

proland::ElevationMargin::ElevationMargin

(

)

Creates an uninitialized ElevationMargin.

proland::ElevationMargin::ElevationMargin	(	int	samplesPerTile,
		float	borderFactor
	)

Creates a new ElevationMargin.

Parameters:

	samplesPerTile	number of pixels per elevation tile (without borders).
	borderFactor	size of the tile borders in percentage of tile size.

virtual proland::ElevationMargin::~ElevationMargin

(

)

[virtual]

Deletes this ElevationMargin.

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Member Function Documentation

virtual double proland::ElevationMargin::getMargin

(

double

clipSize

)

[virtual]

Returns the margin for the given clip region.

This margin will be added to the clip region in order to clip a graph.

Parameters:

clipSize

size of the clip region (width or height).

Implements proland::Margin.

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Member Data Documentation

float proland::ElevationMargin::borderFactor [protected]

Size of the tile borders in percentage of tile size.

int proland::ElevationMargin::samplesPerTile [protected]

Number of pixels per elevation tile, without borders.