vrvGraphics-based implementation of 2D Grid Lines on projected databases \ingroup vrvOsg

Inheritance diagram for makVrv::DtProjectedGridLinesDrawer:

Classes
struct	GridLine

Public Member Functions
	DtProjectedGridLinesDrawer (DtDe &de)

virtual	~DtProjectedGridLinesDrawer ()

virtual void	drawGridLines ()

virtual void	setMaxGridLines (int maxGridLines)

virtual void	setWindowDimensions (double startWindowX, double startWindowY, double endWindowX, double endWindowY)

virtual void	setCenter (const osg::Vec2d &center)

virtual void	setHeading (double heading)

virtual void	setScale (double scale)

virtual void	destroyGridLines ()

Public Member Functions inherited from makVrv::DtGridLinesDrawer
	DtGridLinesDrawer (DtDe &de)

	DtGridLinesDrawer (const DtGridLinesDrawer &orig)=delete

DtGridLinesDrawer &	operator= (const DtGridLinesDrawer &rhs)=delete

virtual	~DtGridLinesDrawer ()

virtual void	setChannel (DtOsgChannel *channel)

virtual void	setChannelDimensions (int startChannelX, int startChannelY, int endChannelX, int endChannelY)

virtual void	setupOverlay ()

virtual void	setupFont ()

virtual double	lookupClosestLatLonSpacing (double minimumSpacingRadians)

virtual double	lookupClosestCartesianSpacing (double minimumSpacing)

virtual double	lookupClosestGarsSpacing (double minimumSpacing) const

void	setPixelRatio (float pixelRatio)

Public Member Functions inherited from makVrv::DtGridLinesParameters
	DtGridLinesParameters ()

virtual	~DtGridLinesParameters ()

	DtGridLinesParameters (const DtGridLinesParameters &orig)

DtGridLinesParameters &	operator= (const DtGridLinesParameters &orig)

virtual void	setGridType (makArchives::DtDisplayUnitsSettingsRecord::CoordSys gridType)

virtual void	setUnitType (makArchives::DtDisplayUnitsSettingsRecord::DistanceUnits unitType)

virtual void	setUnitType (makArchives::DtDisplayUnitsSettingsRecord::OrientationUnits unitType)

virtual void	setMinimalGridlineLabelsEnabled (bool enabled)

virtual void	setAutoSpacing (bool autoSpacing)

virtual void	setMinSpacing (int pixels)

virtual void	setFixedSpacingAmount (double amount)

virtual void	setGarsFixedSpacing (double degs)

virtual void	setMgrsMapSheetFixedSpacing (double meters)

virtual void	setXOffset (double offset)

virtual void	setYOffset (double offset)

virtual void	setDecimalPlaces (unsigned decimalPlaces)

virtual void	setMaxGridLineSegments (int maxGridLineSegments)

virtual void	setEastWestGridLineColor (float r, float g, float b, float a)

virtual void	setEastWestLabelColor (float r, float g, float b, float a)

virtual void	setNorthSouthGridLineColor (float r, float g, float b, float a)

virtual void	setNorthSouthLabelColor (float r, float g, float b, float a)

virtual void	setLabelFont (const std::string &fontName)

virtual void	setLabelPointSize (int pointSize)

virtual void	setLabelXOffset (int pixels)

virtual void	setLabelYOffset (int pixels)

virtual void	setLabelTextWidth (int width)

virtual void	setLabelTextHeight (int height)

virtual void	setGridLineWidth (float width)

virtual void	setLatLonLabelsCenteringCutoff (int altitude)

virtual void	setMgrsMapSheetCutoff (double altitude)

virtual void	setGarsPolarLatitudeCutoff (double latitude)

Protected Types
enum	LabelPosition { Bottom, Left, Top, Right, Indeterminate }

typedef std::vector< GridLine >	GridLineVector

typedef std::vector < DtTextProxy * >	GridBoxLabelArray

typedef std::vector< float >	VertexList

typedef boost::unordered_set < DtUnicode >	UsedGridLabels

Protected Member Functions
virtual void	reloadTextFonts ()

virtual void	drawNorthSouthGridLinesAndLabels ()

virtual void	drawEastWestGridLinesAndLabels ()

virtual void	findSpacing ()

virtual void	anchorAndOffsetLines ()

virtual DtUnicode	createLabel (const double &xMeters, const double &yMeters, bool isNorthSouth)

virtual bool	labelGridBox (double nsValue, double ewValue, int labelIndex)

void	convertDegreeSpacingToMeters (double gridSpacing, double &xSpacing, double &ySpacing) const

virtual DtFont::TextAlignment	offsetLabel (double xSrc, double ySrc, double &xOffset, double &yOffset, DtBoundingBox &bbox) const

virtual DtFont::TextAlignment	offsetGridBoxLabel (double xSrc, double ySrc, double &xOffset, double &yOffset, DtBoundingBox &bbox) const

virtual LabelPosition	calcLabelPosition (double x, double y) const

virtual void	calcDesiredLabelPosition ()

double	degreesLatitudeToMeters (double x, double y) const

double	convertToMetersOrDegrees (double value) const

virtual double	degreesLongitudeToMeters () const

virtual double	fixedSpacingAmount () const

virtual double	xOffset () const

virtual double	yOffset () const

virtual void	clearUnusedLinesAndLabels (int index, GridLineVector &lines)

virtual void	clearUnusedGridBoxLabels (int index)

virtual bool	drawGridLineAndLabel (double startX, double startY, double endX, double endY, GridLine &gridLine, float lineColor, LabelPosition labelPosition, float labelColor, bool isNorthSouth)

virtual void	slot_coordinateSystemChanged ()

virtual void	labelGridBoxes ()

Protected Member Functions inherited from makVrv::DtGridLinesDrawer
virtual bool	limitLines (int current, int limit)

Static Protected Member Functions
static void	rotate (const DtProjectedGridLinesDrawer::VertexList &in, double rad, DtProjectedGridLinesDrawer::VertexList &out)

static void	translate (const DtProjectedGridLinesDrawer::VertexList &in, const osg::Vec2 &translation, DtProjectedGridLinesDrawer::VertexList &out)

static void	scale (const DtProjectedGridLinesDrawer::VertexList &in, double s, DtProjectedGridLinesDrawer::VertexList &out)

Static Protected Member Functions inherited from makVrv::DtGridLinesDrawer
static bool	clip (double xMin, double xMax, double yMin, double yMax, double x0src, double y0src, double x1src, double y1src, double &x0clip, double &y0clip, double &x1clip, double &y1clip)

Protected Attributes
GridLineVector	myEastWestLines

GridLineVector	myNorthSouthLines

GridBoxLabelArray	myGridBoxLabels

UsedGridLabels	myUsedGridLabels

double	myHeading

osg::Vec2d	myCenter

double	myStartWindowX

double	myStartWindowY

double	myEndWindowX

double	myEndWindowY

double	myScale

double	myAnchoredMinX

double	myAnchoredMinY

double	myAnchoredMaxX

double	myAnchoredMaxY

double	myXSpacing

double	myYSpacing

LabelPosition	myNorthSouthLabelPosition

LabelPosition	myEastWestLabelPosition

DtSignalConnectionManager	myConnections

DtCoordinateSystem *	myCoordinateSystem = nullptr

Protected Attributes inherited from makVrv::DtGridLinesDrawer
DtDe &	myDe

DtOsgChannel *	myChannel

osg::Matrix	myWorldToWindowMatrix

int	myStartChannelX

int	myStartChannelY

int	myEndChannelX

int	myEndChannelY

DtOverlayRenderer *	myOverlayRenderer

DtFontInterface *	myFont

float	myPixelRatio

std::vector< double >	myLatLonAllowableSpacings

std::vector< double >	myCartesianAllowableSpacings

std::vector< double >	myGarsAllowableSpacings

bool	myLineLimitNeedsWarning

Protected Attributes inherited from makVrv::DtGridLinesParameters
makArchives::DtDisplayUnitsSettingsRecord::CoordSys	myGridType

bool	myUnitTypeIsAngular

makArchives::DtDisplayUnitsSettingsRecord::DistanceUnits	myUnitType

makArchives::DtDisplayUnitsSettingsRecord::OrientationUnits	myAngularUnitType

bool	myMinimalGridlineLabelsEnabled

bool	myAutoSpacing

int	myMinSpacing

double	mySpacing

double	myXOffset

double	myYOffset

unsigned	myDecimalPlaces

int	myMaxGridLines

int	myMaxGridLineSegments

float	myEastWestGridLineColor [4]

float	myEastWestLabelColor [4]

float	myNorthSouthGridLineColor [4]

float	myNorthSouthLabelColor [4]

std::string	myLabelFont

int	myLabelPointSize

int	myLabelXOffset

int	myLabelYOffset

int	myLabelTextWidth

int	myLabelTextHeight

float	myGridLineWidth

int	myLatLonLabelsCenteringCutoff

double	myMgrsMapSheetCutoff

double	myGarsFixedSpacing

double	myMgrsMapSheetFixedSpacing

double	myGarsPolarLatitudeCutoff

Private Member Functions
	DtProjectedGridLinesDrawer (const DtProjectedGridLinesDrawer &orig)

DtProjectedGridLinesDrawer &	operator= (const DtProjectedGridLinesDrawer &rhs)

Member Typedef Documentation

typedef std::vector<GridLine> makVrv::DtProjectedGridLinesDrawer::GridLineVector

protected

typedef std::vector<DtTextProxy*> makVrv::DtProjectedGridLinesDrawer::GridBoxLabelArray

protected

typedef std::vector<float> makVrv::DtProjectedGridLinesDrawer::VertexList

protected

his type can be used to provide a list of vertices to the polygon objects

typedef boost::unordered_set<DtUnicode> makVrv::DtProjectedGridLinesDrawer::UsedGridLabels

protected

Member Enumeration Documentation

enum makVrv::DtProjectedGridLinesDrawer::LabelPosition

protected

Represent an screen edge to place a label on.

Enumerator
Bottom
Left
Top
Right
Indeterminate

Constructor & Destructor Documentation

makVrv::DtProjectedGridLinesDrawer::DtProjectedGridLinesDrawer ( DtDe & de )

CTOR.

virtual makVrv::DtProjectedGridLinesDrawer::~DtProjectedGridLinesDrawer ( )

virtual

DTOR.

makVrv::DtProjectedGridLinesDrawer::DtProjectedGridLinesDrawer ( const DtProjectedGridLinesDrawer & orig )

private

Unimplemented copy constructor.

Member Function Documentation

virtual void makVrv::DtProjectedGridLinesDrawer::drawGridLines ( )

virtual

Draw the grid lines (and labels)

virtual void makVrv::DtProjectedGridLinesDrawer::setMaxGridLines ( int maxGridLines )

virtual

Override base class to allocate memory for lines.

Reimplemented from makVrv::DtGridLinesParameters.

virtual void makVrv::DtProjectedGridLinesDrawer::setWindowDimensions	(	double	startWindowX,
		double	startWindowY,
		double	endWindowX,
		double	endWindowY
	)

virtual

Set the approximate DB dimensions of the view within the unrotated window.

virtual void makVrv::DtProjectedGridLinesDrawer::setCenter ( const osg::Vec2d & center )

virtual

Set the DB location at the center of the window.

virtual void makVrv::DtProjectedGridLinesDrawer::setHeading ( double heading )

virtual

Set the current observer heading.

virtual void makVrv::DtProjectedGridLinesDrawer::setScale ( double scale )

virtual

Set the current observer scale.

virtual void makVrv::DtProjectedGridLinesDrawer::destroyGridLines ( )

virtual

Destroy all grid lines in the current channel.

virtual void makVrv::DtProjectedGridLinesDrawer::reloadTextFonts ( )

protectedvirtual

Reloads text label fonts on runtime font size change.

Implements makVrv::DtGridLinesDrawer.

virtual void makVrv::DtProjectedGridLinesDrawer::drawNorthSouthGridLinesAndLabels ( )

protectedvirtual

virtual void makVrv::DtProjectedGridLinesDrawer::drawEastWestGridLinesAndLabels ( )

protectedvirtual

virtual void makVrv::DtProjectedGridLinesDrawer::findSpacing ( )

protectedvirtual

Determine, based on autoSpacing setting or fixed spacing value, what the grid spacing should be. Modifies myXSpacing and myYSpacing.

virtual void makVrv::DtProjectedGridLinesDrawer::anchorAndOffsetLines ( )

protectedvirtual

Find the range of x's and y's to attempt to draw grid lines for (in database coordinates). It takes the grid type into account, and attempts to use a logical origin (like the zone origin in UTM).

virtual DtUnicode makVrv::DtProjectedGridLinesDrawer::createLabel	(	const double &	xMeters,
		const double &	yMeters,
		bool	isNorthSouth
	)

protectedvirtual

Given x and y in database coordinates, create a label string for the grid line in the coordinate system appropriate for the current grid type. This method may change xMeters if mecessary to get a migrid Label into the current UTM zone.

virtual bool makVrv::DtProjectedGridLinesDrawer::labelGridBox	(	double	nsValue,
		double	ewValue,
		int	labelIndex
	)

protectedvirtual

void makVrv::DtProjectedGridLinesDrawer::convertDegreeSpacingToMeters	(	double	gridSpacing,
		double &	xSpacing,
		double &	ySpacing
	)		const

protected

Convert degree spacing to meters, used to actually draw the lines Note that the spacing may be different for x and y when the units are degrees.

virtual DtFont::TextAlignment makVrv::DtProjectedGridLinesDrawer::offsetLabel	(	double	xSrc,
		double	ySrc,
		double &	xOffset,
		double &	yOffset,
		DtBoundingBox &	bbox
	)		const

protectedvirtual

Find the offset and alignment for a label.

virtual DtFont::TextAlignment makVrv::DtProjectedGridLinesDrawer::offsetGridBoxLabel	(	double	xSrc,
		double	ySrc,
		double &	xOffset,
		double &	yOffset,
		DtBoundingBox &	bbox
	)		const

protectedvirtual

Find the offset and alignment for a grid box label.

virtual LabelPosition makVrv::DtProjectedGridLinesDrawer::calcLabelPosition	(	double	x,
		double	y
	)		const

protectedvirtual

Determine which screen edge a label is closest to.

virtual void makVrv::DtProjectedGridLinesDrawer::calcDesiredLabelPosition ( )

protectedvirtual

Determine which screen edge a label type is supposed to be on.

double makVrv::DtProjectedGridLinesDrawer::degreesLatitudeToMeters	(	double	x,
		double	y
	)		const

protected

Convert one degree of latitude (on the current flat-earth projected db) into meters.

double makVrv::DtProjectedGridLinesDrawer::convertToMetersOrDegrees ( double value ) const

protected

virtual double makVrv::DtProjectedGridLinesDrawer::degreesLongitudeToMeters ( ) const

protectedvirtual

Convert one degree of longitude (on the current flat-earth projected db) into meters.

virtual double makVrv::DtProjectedGridLinesDrawer::fixedSpacingAmount ( ) const

protectedvirtual

Return the fixed spacing amount for the current gridType. Returns the spacing amount in meters or degrees.

virtual double makVrv::DtProjectedGridLinesDrawer::xOffset ( ) const

protectedvirtual

Return the x offset for the current gridType. Returns the x offset in meters or degrees.

virtual double makVrv::DtProjectedGridLinesDrawer::yOffset ( ) const

protectedvirtual

Return the y offset for the current gridType. Returns the y offset in meters or degrees.

virtual void makVrv::DtProjectedGridLinesDrawer::clearUnusedLinesAndLabels	(	int	index,
		GridLineVector &	lines
	)

protectedvirtual

virtual void makVrv::DtProjectedGridLinesDrawer::clearUnusedGridBoxLabels ( int index )

protectedvirtual

virtual bool makVrv::DtProjectedGridLinesDrawer::drawGridLineAndLabel	(	double	startX,
		double	startY,
		double	endX,
		double	endY,
		GridLine &	gridLine,
		float *	lineColor,
		LabelPosition	labelPosition,
		float *	labelColor,
		bool	isNorthSouth
	)

protectedvirtual

virtual void makVrv::DtProjectedGridLinesDrawer::slot_coordinateSystemChanged ( )

protectedvirtual

slot for when the coordinate system changes

virtual void makVrv::DtProjectedGridLinesDrawer::labelGridBoxes ( )

protectedvirtual

Iterate through the grid line intersections, considering them as grid boxes, and request labels from the coordinate display object. If non-zero length labels are returned, and the label isn't a duplicate, add the label to the grid.

static void makVrv::DtProjectedGridLinesDrawer::rotate	(	const DtProjectedGridLinesDrawer::VertexList &	in,
		double	rad,
		DtProjectedGridLinesDrawer::VertexList &	out
	)

staticprotected

Utility function to rotate a list of vertices.

static void makVrv::DtProjectedGridLinesDrawer::translate	(	const DtProjectedGridLinesDrawer::VertexList &	in,
		const osg::Vec2 &	translation,
		DtProjectedGridLinesDrawer::VertexList &	out
	)

staticprotected

Utility function to translate a list of vertices.

static void makVrv::DtProjectedGridLinesDrawer::scale	(	const DtProjectedGridLinesDrawer::VertexList &	in,
		double	s,
		DtProjectedGridLinesDrawer::VertexList &	out
	)

staticprotected

Utility function to scale a list of vertices.

DtProjectedGridLinesDrawer& makVrv::DtProjectedGridLinesDrawer::operator= ( const DtProjectedGridLinesDrawer & rhs )

private

Unimplemented assignment operator.

Member Data Documentation

GridLineVector makVrv::DtProjectedGridLinesDrawer::myEastWestLines

protected

GridLineVector makVrv::DtProjectedGridLinesDrawer::myNorthSouthLines

protected

GridBoxLabelArray makVrv::DtProjectedGridLinesDrawer::myGridBoxLabels

protected

UsedGridLabels makVrv::DtProjectedGridLinesDrawer::myUsedGridLabels

protected

double makVrv::DtProjectedGridLinesDrawer::myHeading

protected

osg::Vec2d makVrv::DtProjectedGridLinesDrawer::myCenter

protected

double makVrv::DtProjectedGridLinesDrawer::myStartWindowX

protected

double makVrv::DtProjectedGridLinesDrawer::myStartWindowY

protected

double makVrv::DtProjectedGridLinesDrawer::myEndWindowX

protected

double makVrv::DtProjectedGridLinesDrawer::myEndWindowY

protected

double makVrv::DtProjectedGridLinesDrawer::myScale

protected

double makVrv::DtProjectedGridLinesDrawer::myAnchoredMinX

protected

double makVrv::DtProjectedGridLinesDrawer::myAnchoredMinY

protected

double makVrv::DtProjectedGridLinesDrawer::myAnchoredMaxX

protected

double makVrv::DtProjectedGridLinesDrawer::myAnchoredMaxY

protected

double makVrv::DtProjectedGridLinesDrawer::myXSpacing

protected

double makVrv::DtProjectedGridLinesDrawer::myYSpacing

protected

LabelPosition makVrv::DtProjectedGridLinesDrawer::myNorthSouthLabelPosition

protected

LabelPosition makVrv::DtProjectedGridLinesDrawer::myEastWestLabelPosition

protected

DtSignalConnectionManager makVrv::DtProjectedGridLinesDrawer::myConnections

protected

DtCoordinateSystem* makVrv::DtProjectedGridLinesDrawer::myCoordinateSystem = nullptr

protected

local clone of the system wide coordinate system. for thread safety.

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-2-branch/include/vrvOsg/DtProjectedGridLinesDrawer.h

Classes

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation