A PDF and Postscript Writer for 2D Visualization. More...

#include <Visualizer2.h>

Public Member Functions
CLASS_DECLSPEC	Visualizer2 (const char *filename_)
	Constructor for Visualizer2. More...

CLASS_DECLSPEC	~Visualizer2 ()
	Destructor.

CLASS_DECLSPEC void	addHeaderLine (const char *s)
	Add a header line to the visualization. More...

CLASS_DECLSPEC void	addObject (const Circle2 &circ, const Color &c)
	Add a Circle2 object to the visualization. More...

CLASS_DECLSPEC void	addObject (const Edge2 &edge, const Color &c)
	Add an Edge2 object to the visualization. More...

CLASS_DECLSPEC void	addObject (const Label &lab, const Color &c)
	Add a Label object to the visualization. More...

CLASS_DECLSPEC void	addObject (const Point2 &pnt, const Color &c)
	Add a Point2 object to the visualization. More...

CLASS_DECLSPEC void	addObject (const PShape &polygonalShape, const Color &c)
	Add a single polygonal shape to the visualization. More...

CLASS_DECLSPEC void	addObject (const Segment2 &seg, const Color &c)
	Add a Segment2 object to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< ConstraintSegment2 * > &vConstraintSegments, const Color &c)
	Add a vector of ConstraintSegment2 pointers to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< Edge2 > &vEdges, const Color &c)
	Add a vector of Edge2 objects to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< Point2 * > &vPoints, const Color &c)
	Add a vector of Point2 pointers to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< Point2 > &vPoints, const Color &c)
	Add a vector of Point2 objects to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< PShape > &vPolygonalShapes, const Color &c)
	Add polygonal shapes to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< Segment2 > &vSegments, const Color &c)
	Add a vector of Segment2 objects to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< Triangle2 * > &vT, const Color &c)
	Add a vector of Triangle2 pointers to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< Triangle2 > &vT, const Color &c)
	Add a vector of Triangle2 objects to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< VertexPair2 > &vVertexPairs, const Color &c)
	Add a vector of VertexPair2 objects defining segments to the visualization. More...

CLASS_DECLSPEC void	addObject (const std::vector< VoroCell2 * > &vC, const Color &c)
	Add Voronoi cells to the visualization. More...

CLASS_DECLSPEC void	addObject (const Triangle2 &tri, const Color &c)
	Add a Triangle2 object to the visualization. More...

CLASS_DECLSPEC void	addObject (ConstraintGraph2 *pCG, const Color &c)
	Add a ConstraintGraph2 object to the visualization. More...

CLASS_DECLSPEC void	addObject (VoroCell2 *pVoroCell, const Color &c)
	Add a Voronoi cell to the visualization. More...

CLASS_DECLSPEC void	writeFile ()
	Finish and write the output file. More...

Protected Member Functions
	Visualizer2 (const Visualizer2 &)

void	changeColor (const Color &c)

void	changeColor (float r, float g, float b, float linewidth, bool bFill)

Visualizer2 &	operator= (const Visualizer2 &)

void	periodicStroke ()

double	scaledDouble (const double &d)

Point2	scaledPoint (const Point2 &p)

void	writeCircle (const Point2 &p1_, double radius, bool bFill)

void	writeFooter ()

void	writeHeader (const char *title)

void	writeHeaderLines ()

void	writeLabel (Label l)

void	writeLine (const Point2 &pSource, const Point2 &pTarget)

void	writeMark (const Point2 &p1_, float size)

void	writePoint (const Point2 &p1_, float size)

void	writePolygon (PShape &pshape, bool bFill, double width)

void	writeTriangle (const Point2 &p0_, const Point2 &p1_, const Point2 &p2_, bool bFill, double width)

void	writeTriangle (const Triangle2 *pT, bool bFill_, double width)

void	writeVoroCell (VoroCell2 *pVoroCell, bool bFill, double width)

Protected Attributes
Bbox2	bbox

bool	bFileClosed

bool	bFill

bool	bTypePS

Color	lastColor

std::ofstream	outFile

Dat *	pDat

int	updateCtr

std::vector< std::pair< Circle2, Color > >	vCircles

std::vector< std::pair< Label, Color > >	vLabels

std::vector< std::pair< Point2, Color > >	vPoints

std::vector< std::pair< PShape, Color > >	vPolygons

std::vector< std::pair< Segment2, Color > >	vSegments

std::vector< std::pair< Triangle2, Color > >	vTriangles

std::vector< std::pair< VoroCell2 *, Color > >	vVoroCells

Detailed Description

The Visualizer2 class provides functionality to draw Fade_2D or Zone2 instances, as well as custom 2D geometric elements. It supports writing the output to PDF or Postscript files.

Example output of the Visualizer

See also: C++-Example: Traversing and Drawing a Triangulation.; VtkWriter An alternative class suited for visualizing both 2D and 3D scenes.

Constructor & Destructor Documentation

◆ Visualizer2()

CLASS_DECLSPEC GEOM_FADE2D::Visualizer2::Visualizer2 ( const char * filename_ )

explicit

Initializes a new Visualizer2. The file extension determines whether the output will be written to a PDF or Postscript file.

Parameters

filename_ Name of the output file. Must end with .ps or .pdf.

Member Function Documentation

◆ addHeaderLine()

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addHeaderLine ( const char * s )

Parameters

s	A header line.

◆ addObject() [1/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const Circle2 &	circ,
		const Color &	c
	)

Parameters

circ	Circle2 object.
c	Color for the circle. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to fill the circle.

◆ addObject() [2/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const Edge2 &	edge,
		const Color &	c
	)

Parameters

edge	Edge2 object.
c	Color for the edge. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to draw marks at the endpoints.

◆ addObject() [3/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const Label &	lab,
		const Color &	c
	)

Parameters

lab	Label object.
c	Color for the label.

◆ addObject() [4/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const Point2 &	pnt,
		const Color &	c
	)

Parameters

pnt	Point2 object.
c	Color for the point.

◆ addObject() [5/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const PShape &	polygonalShape,
		const Color &	c
	)

Parameters

polygonalShape	A polygonal shape.
c	Color for the shape. To fill the shape, set `bFill` to `true` in the Color constructor (e.g., `Color(CRED, 0.01, true)`).

◆ addObject() [6/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const Segment2 &	seg,
		const Color &	c
	)

Parameters

seg	Segment2 object.
c	Color for the segment. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to draw marks at the endpoints.

◆ addObject() [7/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< ConstraintSegment2 * > &	vConstraintSegments,
		const Color &	c
	)

Parameters

vConstraintSegments	Vector of pointers to ConstraintSegment2 objects.
c	Color for the constraint segments. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to draw marks at the endpoints.

◆ addObject() [8/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< Edge2 > &	vEdges,
		const Color &	c
	)

Parameters

vEdges	Vector of Edge2 objects.
c	Color for the edges. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to draw marks at the endpoints.

◆ addObject() [9/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< Point2 * > &	vPoints,
		const Color &	c
	)

Parameters

vPoints	Vector of pointers to Point2 objects.
c	Color for the points.

◆ addObject() [10/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< Point2 > &	vPoints,
		const Color &	c
	)

Parameters

vPoints	Vector of Point2 objects.
c	Color for the points.

◆ addObject() [11/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< PShape > &	vPolygonalShapes,
		const Color &	c
	)

Parameters

vPolygonalShapes	Vector of polygonal shapes.
c	Color for the shapes. To fill the shapes, set `bFill` to `true` in the Color constructor (e.g., `Color(CRED, 0.01, true)`).

◆ addObject() [12/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< Segment2 > &	vSegments,
		const Color &	c
	)

Parameters

vSegments	Vector of Segment2 objects.
c	Color for the segments.

◆ addObject() [13/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< Triangle2 * > &	vT,
		const Color &	c
	)

Parameters

vT	Vector of pointers to Triangle2 objects.
c	Color for the triangles. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to fill the triangles.

◆ addObject() [14/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< Triangle2 > &	vT,
		const Color &	c
	)

Parameters

vT	Vector of Triangle2 objects.
c	Color for the triangles. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to fill the triangles.

◆ addObject() [15/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< VertexPair2 > &	vVertexPairs,
		const Color &	c
	)

Parameters

vVertexPairs	Vector of VertexPair2 objects defining segments.
c	Color for the segments defined by the vertex pairs. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to draw marks at the endpoints.

◆ addObject() [16/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const std::vector< VoroCell2 * > &	vC,
		const Color &	c
	)

Parameters

vC	Vector of pointers to Voronoi cells.
c	Color for the Voronoi cells. To fill the cells, set `bFill` to `true` in the Color constructor (e.g., `Color(CRED, 0.01, true)`).

◆ addObject() [17/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	const Triangle2 &	tri,
		const Color &	c
	)

Parameters

tri	Triangle2 object.
c	Color for the triangle. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to fill the triangle.

◆ addObject() [18/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	ConstraintGraph2 *	pCG,
		const Color &	c
	)

Parameters

pCG	Pointer to a ConstraintGraph2
c	Color for the ConstraintGraph2. Define the Color with `bFill=true`, i.e., `Color(CRED,0.01,true)`, to draw marks at the endpoints of the individual segments.

◆ addObject() [19/19]

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::addObject	(	VoroCell2 *	pVoroCell,
		const Color &	c
	)

Parameters

pVoroCell	Pointer to a Voronoi cell.
c	Color for the Voronoi cell. To fill the Voronoi cell, set `bFill` to `true` in the Color constructor (e.g., `Color(CRED, 0.01, true)`).

◆ writeFile()

CLASS_DECLSPEC void GEOM_FADE2D::Visualizer2::writeFile ( )

Note: This method must be called after all objects have been added in order to write the output file.

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

Visualizer2.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Visualizer2()

Member Function Documentation

◆ addHeaderLine()

◆ addObject() [1/19]

◆ addObject() [2/19]

◆ addObject() [3/19]

◆ addObject() [4/19]

◆ addObject() [5/19]

◆ addObject() [6/19]

◆ addObject() [7/19]

◆ addObject() [8/19]

◆ addObject() [9/19]

◆ addObject() [10/19]

◆ addObject() [11/19]

◆ addObject() [12/19]

◆ addObject() [13/19]

◆ addObject() [14/19]

◆ addObject() [15/19]

◆ addObject() [16/19]

◆ addObject() [17/19]

◆ addObject() [18/19]

◆ addObject() [19/19]

◆ writeFile()