GreatCircleArc Class Reference

#include <GreatCircles.h>

List of all members.

Public Member Functions

GreatCircleArc ()

Create a bad great circle arc.

GreatCircleArc (double startLat, double startLong, double endLat, double endLong, VisualizationState &m_visualizationState)

Create a great circle arc.

void draw (bool withCross=true, double width=1.0) const

Draw the great circle arc on the fast preview.

float squareDistance (hugin_utils::FDiff2D point) const

Return the square of the minimal distance between the great circle arc and a coorinate on the panorama.

double getxscale () const

Public Attributes

double m_xscale

Protected Attributes

std::vector< LineSegment > m_lines

VisualizationState * m_visualizationState

Constructor & Destructor Documentation

GreatCircleArc::GreatCircleArc ( )

Create a bad great circle arc.
draw() won't do anything and squareDistance() will return the maximum float.
Definition at line 64 of file GreatCircles.cpp.
Referenced by GreatCircleArc().

GreatCircleArc::GreatCircleArc ( double startLat,

double startLong,

double endLat,

double endLong,

VisualizationState & m_visualizationState

)

Create a great circle arc.

Parameters:

startLat lattiude of the first point in degrees.

startLong longitude of the first point in degrees.

endLat lattide of the second point in degrees.

endLong longitude of the second point in degrees.

Todo:
don't check the +/- 180 degree boundary when projection does not break there.

Definition at line 68 of file GreatCircles.cpp.
References HuginBase::PTools::Transform::createInvTransform(), hugin_utils::FDiff2D, VisualizationState::GetOptions(), VisualizationState::GetScale(), HuginBase::PanoramaOptions::getWidth(), GreatCircleArc(), m_lines, M_PI, m_visualizationState, m_xscale, segments, HuginBase::BaseSrcPanoImage::setHFOV(), HuginBase::BaseSrcPanoImage::setProjection(), HuginBase::SrcPanoImage::setSize(), HuginBase::PTools::Transform::transformImgCoord(), and GreatCircleArc::LineSegment::vertices.

void GreatCircleArc::draw ( bool withCross = true,

double width = 1.0

) const

Draw the great circle arc on the fast preview.

Todo:
It is probably more apropriate to use thin rectangles than lines. There are hardware defined limits on what width a line can be, and the worst case is the hardware only alows lines 1 pixel thick.

Definition at line 215 of file GreatCircles.cpp.
References GreatCircleArc::LineSegment::doGL(), GreatCircleArc::LineSegment::doGLcross(), getxscale(), m_lines, and m_visualizationState.
Referenced by PreviewLayoutLinesTool::LineDetails::draw().

double GreatCircleArc::getxscale ( ) const

Definition at line 425 of file GreatCircles.cpp.
Referenced by draw().

float GreatCircleArc::squareDistance ( hugin_utils::FDiff2D point ) const

Return the square of the minimal distance between the great circle arc and a coorinate on the panorama.
This is an approximation, but should be reasonable.
Definition at line 464 of file GreatCircles.cpp.
References hugin_utils::FDiff2D, m_lines, and celeste::max().
Referenced by PreviewLayoutLinesTool::LineDetails::getDistance().

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

Generated on Tue May 21 01:25:48 2013 for Hugintrunk by

1.3.9.1


Public Member Functions
	GreatCircleArc ()
	Create a bad great circle arc.
	GreatCircleArc (double startLat, double startLong, double endLat, double endLong, VisualizationState &m_visualizationState)
	Create a great circle arc.
void	draw (bool withCross=true, double width=1.0) const
	Draw the great circle arc on the fast preview.
float	squareDistance (hugin_utils::FDiff2D point) const
	Return the square of the minimal distance between the great circle arc and a coorinate on the panorama.
double	getxscale () const
Public Attributes
double	m_xscale
Protected Attributes
std::vector< LineSegment >	m_lines
VisualizationState *	m_visualizationState