PCV (Portion de Ciel Visible / Ambiant Illumination) OpenGL context. More...

#include <PCVContext.h>

Collaboration diagram for PCVContext:

[legend]

Public Member Functions
	PCVContext ()
	Default constructor. More...

virtual	~PCVContext ()
	Destructor. More...

bool	init (unsigned W, unsigned H, cloudViewer::GenericCloud cloud, cloudViewer::GenericMesh mesh=0, bool closedMesh=true)
	Initialization. More...

void	setViewDirection (const CCVector3 &V)
	Set the viewing directions. More...

int	GLAccumPixel (std::vector< int > &visibilityCount)

Protected Member Functions
void	glInit ()

void	drawEntity ()

void	associateToEntity (cloudViewer::GenericCloud cloud, cloudViewer::GenericMesh mesh=0)

Protected Attributes
cloudViewer::GenericCloud *	m_vertices
	Displayed entity (cloud or mesh vertices) More...

cloudViewer::GenericMesh *	m_mesh
	Displayed entity (mesh - optional) More...

PointCoordinateType	m_zoom

CCVector3	m_viewCenter

QGLPixelBuffer *	m_pixBuffer

unsigned	m_width
	Pixel buffer width (pixels) More...

unsigned	m_height
	Pixel buffer height (pixels) More...

float	m_viewMat [OPENGL_MATRIX_SIZE]
	Current model view matrix. More...

float *	m_snapZ
	Depth buffer. More...

unsigned char *	m_snapC
	Color buffer. More...

bool	m_meshIsClosed
	Whether displayed mesh is closed or not. More...

Static Protected Attributes
static const unsigned	OPENGL_MATRIX_SIZE = 16
	Model view matrix size (OpenGL) More...

Detailed Description

PCV (Portion de Ciel Visible / Ambiant Illumination) OpenGL context.

Similar to Cignoni's ShadeVis

Definition at line 22 of file PCVContext.h.

Constructor & Destructor Documentation

◆ PCVContext()

PCVContext::PCVContext ( )

Default constructor.

Definition at line 49 of file PCVContext.cpp.

References m_viewMat, and OPENGL_MATRIX_SIZE.

◆ ~PCVContext()

PCVContext::~PCVContext ( )

virtual

Destructor.

Definition at line 62 of file PCVContext.cpp.

References m_pixBuffer, m_snapC, and m_snapZ.

Member Function Documentation

◆ associateToEntity()

void PCVContext::associateToEntity	(	cloudViewer::GenericCloud *	cloud,
		cloudViewer::GenericMesh *	mesh = `0`
	)

protected

Definition at line 112 of file PCVContext.cpp.

References cloudViewer::GenericCloud::getBoundingBox(), m_height, m_mesh, m_vertices, m_viewCenter, m_width, m_zoom, min(), PC_ONE, and ZERO_TOLERANCE.

Referenced by init().

◆ drawEntity()

void PCVContext::drawEntity ( )

protected

Definition at line 187 of file PCVContext.cpp.

Referenced by GLAccumPixel().

◆ GLAccumPixel()

int PCVContext::GLAccumPixel ( std::vector< int > & visibilityCount )

Increments the visibility counter for points viewed in the current pass (see setViewDirection)

Parameters

visibilityCount per-vertex visibility count (same size as the number of vertices)

Returns: number of vertices seen during this pass

Definition at line 242 of file PCVContext.cpp.

References count, drawEntity(), cloudViewer::utility::floor(), cloudViewer::GenericCloud::getNextPoint(), m_height, m_meshIsClosed, m_pixBuffer, m_snapC, m_snapZ, m_vertices, m_width, max(), OPENGL_MATRIX_SIZE, openGLSnapshot(), cloudViewer::GenericCloud::placeIteratorAtBeginning(), cloudViewer::GenericCloud::size(), Tuple3Tpl< Type >::x, Tuple3Tpl< Type >::y, Tuple3Tpl< Type >::z, and ZTWIST.

◆ glInit()

void PCVContext::glInit ( )

protected

Definition at line 136 of file PCVContext.cpp.

References m_pixBuffer.

Referenced by init().

◆ init()

bool PCVContext::init	(	unsigned	W,
		unsigned	H,
		cloudViewer::GenericCloud *	cloud,
		cloudViewer::GenericMesh *	mesh = `0`,
		bool	closedMesh = `true`
	)

Initialization.

Parameters

W	OpenGL render context width (pixels)
H	OpenGL render context height (pixels)
cloud	associated cloud (or mesh vertices)
mesh	associated mesh (if any)
closedMesh	whether mesh is closed (faster) or not (need more memory)

Returns: initialization success

Definition at line 69 of file PCVContext.cpp.

References associateToEntity(), glInit(), m_height, m_meshIsClosed, m_pixBuffer, m_snapC, m_snapZ, m_width, and size.

◆ setViewDirection()

void PCVContext::setViewDirection ( const CCVector3 & V )

Set the viewing directions.

Definition at line 166 of file PCVContext.cpp.

References m_pixBuffer.

Member Data Documentation

◆ m_height

unsigned PCVContext::m_height

protected

Pixel buffer height (pixels)

Definition at line 77 of file PCVContext.h.

Referenced by associateToEntity(), GLAccumPixel(), and init().

◆ m_mesh

cloudViewer::GenericMesh* PCVContext::m_mesh

protected

Displayed entity (mesh - optional)

Definition at line 64 of file PCVContext.h.

Referenced by associateToEntity().

◆ m_meshIsClosed

bool PCVContext::m_meshIsClosed

protected

Whether displayed mesh is closed or not.

Definition at line 93 of file PCVContext.h.

Referenced by GLAccumPixel(), and init().

◆ m_pixBuffer

QGLPixelBuffer* PCVContext::m_pixBuffer

protected

Definition at line 72 of file PCVContext.h.

Referenced by GLAccumPixel(), glInit(), init(), setViewDirection(), and ~PCVContext().

◆ m_snapC

unsigned char* PCVContext::m_snapC

protected

Color buffer.

Definition at line 90 of file PCVContext.h.

Referenced by GLAccumPixel(), init(), and ~PCVContext().

◆ m_snapZ

float* PCVContext::m_snapZ

protected

Depth buffer.

Definition at line 88 of file PCVContext.h.

Referenced by GLAccumPixel(), init(), and ~PCVContext().

◆ m_vertices

cloudViewer::GenericCloud* PCVContext::m_vertices

protected

Displayed entity (cloud or mesh vertices)

Definition at line 61 of file PCVContext.h.

Referenced by associateToEntity(), and GLAccumPixel().

◆ m_viewCenter

CCVector3 PCVContext::m_viewCenter

protected

Definition at line 69 of file PCVContext.h.

Referenced by associateToEntity().

◆ m_viewMat

float PCVContext::m_viewMat[OPENGL_MATRIX_SIZE]

protected

Current model view matrix.

Definition at line 85 of file PCVContext.h.

Referenced by PCVContext().

◆ m_width

unsigned PCVContext::m_width

protected

Pixel buffer width (pixels)

Definition at line 75 of file PCVContext.h.

Referenced by associateToEntity(), GLAccumPixel(), and init().

◆ m_zoom

PointCoordinateType PCVContext::m_zoom

protected

Definition at line 67 of file PCVContext.h.

Referenced by associateToEntity().

◆ OPENGL_MATRIX_SIZE

const unsigned PCVContext::OPENGL_MATRIX_SIZE = 16

staticprotected

Model view matrix size (OpenGL)

Warning: Never pass a 'constant initializer' by reference

Definition at line 82 of file PCVContext.h.

Referenced by GLAccumPixel(), and PCVContext().

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

/root/ACloudViewer/plugins/core/Standard/qPCV/include/PCVContext.h
/root/ACloudViewer/plugins/core/Standard/qPCV/src/PCVContext.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ PCVContext()

◆ ~PCVContext()

Member Function Documentation

◆ associateToEntity()

◆ drawEntity()

◆ GLAccumPixel()

◆ glInit()

◆ init()

◆ setViewDirection()

Member Data Documentation

◆ m_height

◆ m_mesh

◆ m_meshIsClosed

◆ m_pixBuffer

◆ m_snapC

◆ m_snapZ

◆ m_vertices

◆ m_viewCenter

◆ m_viewMat

◆ m_width

◆ m_zoom

◆ OPENGL_MATRIX_SIZE