A projection to display, together with its blend weight. More...

#include <luciad/layers/projectedimagery/ProjectedImageryLayer.h>

Public Member Functions
	SelectedProjection (std::string id, double weight)
	Creates a selected projection.
const std::string &	getId () const
	Returns the ID of the projection to display.
double	getWeight () const
	Returns the blend weight.
bool	operator== (const SelectedProjection &other) const =default
	Compares two selected projections for equality.

Detailed Description

A projection to display, together with its blend weight.

Several projections can be selected at once so that, for example, a navigation controller can cross-fade between them by animating the weights. The weight scales the whole projection: the effective opacity is the style opacity times the weight, and the effective sky opacity is the style sky opacity times the weight.

Since: 2026.1

Constructor & Destructor Documentation

◆ SelectedProjection()

luciad::SelectedProjection::SelectedProjection	(	std::string	id,
		double	weight )

Creates a selected projection.

Parameters

id	the ID of the projection to display.
weight	the blend weight. Must be in the range [0, 1].

Exceptions

luciad::InvalidArgumentException when weight < 0 or weight > 1.

Member Function Documentation

◆ getId()

const std::string & luciad::SelectedProjection::getId ( ) const

inline

Returns the ID of the projection to display.

Returns: the ID of the projection to display.

◆ getWeight()

double luciad::SelectedProjection::getWeight ( ) const

inline

Returns the blend weight.

Returns: the blend weight.

◆ operator==()

bool luciad::SelectedProjection::operator== ( const SelectedProjection & other ) const

default

Compares two selected projections for equality.