Dataset Class Reference

#include <Data.h>

Inheritance diagram for Dataset:

Collaboration diagram for Dataset:

Public Member Functions
	Dataset ()
	Dataset (const char *filename)
	~Dataset ()
bool	load (const char *filename, dword ppmm=0)
Dataset &	copyData (const Dataset &rhs)
void	draw (float x=0, float y=0, float sx=1.0f, float sy=1.0f) const
int	getDim1Size () const
int	getDim2Size () const
int	getDim3Size () const
int	getNChannels () const
std::ostream &	print (std::ostream &os) const
void	clear ()
bool	initialized () const
	operator bool () const
const ByteImage &	getImage () const
ByteImage &	getImage ()
const ByteImage &	getImage (int index) const
ByteImage &	getImage (int index)
dword	getPPMM () const
void	setPPMM (dword ppmm)
const Point2D &	getOrigin () const
const Point2D &	getOSize () const
const std::string &	getFilename () const
PropVec	getPropVec () const
PropVec	getPropVecMM () const
void	setHalveBeyondSize (dword hbs=0xffffffff)
dword	getHalveBeyondSize () const
void	addNoise (float sigma)
Public Member Functions inherited from Sensor
virtual	~Sensor ()
sensor_cptr	getSource ()
virtual void	changeSource (sensor_cptr _source)
void	replaceBy (sensor_ptr target)
bool	assignRef (sensor_cptr rhs)
virtual Sensor &	assign (const Sensor &rhs)
virtual float	getValue (int x, int y) const
	get value at discrete position More...
float	getValue (const Point &p) const
	get value at position p using nearest neighbour interpolation More...
virtual std::vector< float >	getMValue (int x, int y) const
	get multi-channel value More...
virtual Point2D	getGradient (int x, int y) const
	get gradient at discrete position More...
Point2D	getGradient (const Point2D &p) const
	get gradient at position p using nearest neighbor interpolation More...
float	getMax () const
float	getMin () const
float	getMinMaxRange () const
float	getWeightedValue (int x, int y) const
	get max normalized value at discrete position range [0,1] More...
Point2D	getWeightedGradient (int x, int y) const
	get range weighted gradient at discrete position More...
void	setCWeights (const std::vector< float > &weights)
const std::vector< float > &	getCWeights () const
void	setDirection (const Point &dir)
const Point &	getDirection () const
void	setScale (float _scale)
float	getScale () const
bool	isModified (dword mask=UPD_ALL) const
void	setModified (dword mask=UPD_ALL)
void	unsetModified (dword mask=UPD_ALL)
bool	isUpdate (dword udMask) const
void	enableUpdate (dword udMask)
void	disableUpdate (dword udMask)
virtual bool	performUpdate ()
virtual int	getSkip () const
bool	isValid (int x, int y) const
virtual Image< float >	createSensorImage () const
const std::string &	getID () const
void	setID (const std::string &id)
virtual std::ostream &	hprint (std::ostream &os, SensorCollection *sc) const
void	refSuperSensor (sensor_ptr super)
void	unrefSuperSensor (sensor_ptr super)
void	invalidateSource ()
template<typename Derived >
std::shared_ptr< Derived >	shared_from_base ()

Static Public Member Functions
static bool	loadImage (std::vector< Image< byte > > &image, const char *filename)
static void	drawImage (const std::vector< Image< byte > > &image, float x=0, float y=0, float sx=1.0f, float sy=1.0f)
static void	drawImage (const Image< byte > &image, float x=0, float y=0, float sx=1.0f, float sy=1.0f)
Static Public Member Functions inherited from Sensor
static dword	getStringNumber (const char *sid)
static void	getNumberString (char sid[5], dword id)

Public Attributes
vuMutex	writeMutex

Protected Member Functions
float	calcValue (int x, int y) const
std::vector< float >	calcMValue (int x, int y) const
void	calcMinMax ()
Protected Member Functions inherited from Sensor
	Sensor (dword updateMask)
	Sensor ()
virtual Point	calcGradient (int x, int y) const

Protected Attributes
std::vector< ByteImage >	data
int	m_Dim1
int	m_Dim2
int	m_Dim3
int	m_NChannels
int	m_CurrImage
	current image More...
dword	m_ppmm
std::string	m_Filename
Point2D	m_Origin
Point2D	m_OSize
GLImage	m_GLImage
bool	m_RefreshImage
dword	m_HalveBeyondSize
Protected Attributes inherited from Sensor
sensor_cptr	source
float	scale
std::vector< float >	cweights
	multi-channel weights ('color') More...
Point	dir
	direction parameter More...
float	maxval
float	minval
	overall minimum and maximum More...
float	mean
float	stdev
	overall mean and stdev More...
dword	toupdate
	bitflag for updates More...
dword	updateMask
	bitflag to mask unimportant updates More...
std::string	m_ID
int	m_Skip
int	m_AddSkip

Additional Inherited Members
Public Types inherited from Sensor
enum	UpdateParam {   UPD_NOTHING =0, UPD_DATA =1, UPD_SCALE =2, UPD_CWEIGHTS =4,   UPD_DIR =8, UPD_MINMAX =16, UPD_LAST =32, UPD_ALL =0xffffffff }

Detailed Description

Implements data management. Function for loading and querying the dataset. Also a set of data sheets is managed that contains preprocessed results for sensor evaluation.

Definition at line 21 of file Data.h.

Constructor & Destructor Documentation

Dataset::Dataset

(

)

Default constructor

Definition at line 46 of file Data.cpp.

References Sensor::setID().

                 : data(1),
                     m_Dim1(0), m_Dim2(0), m_Dim3(0), m_NChannels(0),
                     m_CurrImage(0),m_ppmm(DEFAULT_PPMM),m_RefreshImage(false),
                     m_HalveBeyondSize(0xffffffff)
{
    setID("d0");
}

Dataset::Dataset

(

const char *

filename

)

Constructor

Definition at line 54 of file Data.cpp.

References load().

                                     : m_Dim1(0), m_Dim2(0), m_Dim3(0),
                                         m_NChannels(0), m_CurrImage(0),
                                         m_ppmm(DEFAULT_PPMM),
                                         m_RefreshImage(false)
{
    load(filename);
}

Dataset::~Dataset ( )

inline

Destructor

Definition at line 31 of file Data.h.

References copyData(), draw(), and load().

{};

Member Function Documentation

void Dataset::addNoise

(

float

sigma

)

Definition at line 212 of file Data.cpp.

References data, fgauss01(), and m_RefreshImage.

Referenced by getHalveBeyondSize().

{
    for(vector< ByteImage >::iterator ii=data.begin();
        ii!=data.end();ii++)
    {
        byte* data = ii->getData();
        for(int i=ii->getSize(); i>0; i--, data++)
        {
            int val = int(int(*data) + fgauss01()*sigma);
            if(val<0) *data = 0;
            else if(val>255) *data = 255;
            else *data = byte(val);
        }
    }
    m_RefreshImage = true;
}

void Dataset::calcMinMax ( )

inlineprotectedvirtual

Reimplemented from Sensor.

Definition at line 102 of file Data.h.

References Sensor::maxval, and Sensor::minval.

                      {
        maxval = 255;
        minval = 0;
    }

std::vector<float> Dataset::calcMValue ( int  x, int  y  ) const

inlineprotectedvirtual

implementing virtual from class Sensor

Reimplemented from Sensor.

Definition at line 92 of file Data.h.

References data, and m_NChannels.

                                                    {
        //vuLock l(*((vuMutex*)&writeMutex));
        std::vector<float> mv(m_NChannels);
        int cc = 0;
        for(std::vector<float>::iterator cv = mv.begin();
            cv != mv.end(); cv++, cc++) {
            *cv = (float)data[cc].getPixel(x,y);
        }
        return mv;
    }

float Dataset::calcValue ( int  x, int  y  ) const

inlineprotectedvirtual

implementing virtual from class Sensor

Implements Sensor.

Definition at line 85 of file Data.h.

References data, m_CurrImage, m_Dim1, and m_Dim2.

                                        {
        //vuLock l(*((vuMutex*)&writeMutex));
        if((dword)x < (dword)m_Dim1 && (dword)y < (dword)m_Dim2)
            return data[m_CurrImage].getPixel(x,y);
        else return 0.0f;
    }

void Dataset::clear

(

)

Definition at line 143 of file Data.cpp.

References data, DEFAULT_PPMM, m_CurrImage, m_Dim1, m_Dim2, m_Dim3, m_Filename, m_NChannels, m_Origin, m_ppmm, Sensor::performUpdate(), Sensor::setModified(), and Sensor::UPD_DATA.

Referenced by print().

{
    m_Dim1 = m_Dim2 = m_Dim3 = 0;
    m_NChannels = 0; m_CurrImage = 0;
    m_ppmm = DEFAULT_PPMM;
    data.clear();
    data.resize(1);
    m_Filename.clear();
    m_Origin = 0.0f;
    setModified(UPD_DATA);
    performUpdate();
}

Dataset & Dataset::copyData

(

const Dataset &

rhs

)

Definition at line 127 of file Data.cpp.

References data, m_CurrImage, m_Dim1, m_Dim2, m_Dim3, m_Filename, m_HalveBeyondSize, m_NChannels, m_ppmm, Sensor::performUpdate(), Sensor::setModified(), and Sensor::UPD_DATA.

Referenced by ~Dataset().

{
    data = rhs.data;
    m_CurrImage = 0;
    m_Dim1 = data[0].getSizeX();
    m_Dim2 = data[0].getSizeY();
    m_Dim3 = 1;
    m_NChannels = data.size();
    m_ppmm = rhs.m_ppmm;
    m_Filename = rhs.m_Filename;
    m_HalveBeyondSize = rhs.m_HalveBeyondSize;
    setModified(UPD_DATA);
    performUpdate();
    return *this;
}

void Dataset::draw	(	float	x = 0,
		float	y = 0,
		float	sx = 1.0f,
		float	sy = 1.0f
	)		const

Draw data set (using OpenGL)

Definition at line 113 of file Data.cpp.

References data, GLImage::draw(), m_GLImage, m_RefreshImage, GLImage::setImage(), and GLImage::unsetImage().

Referenced by ImageWindow::drawScene(), and ~Dataset().

{
    if(!data.empty())
    {
        if(m_RefreshImage) {
            m_GLImage.unsetImage();
            m_GLImage.setImage(data);
            m_RefreshImage = false;
        }
        m_GLImage.draw(x, y, sx, sy);
        //drawImage(data,x,y,sx,sy);
    }
}

void Dataset::drawImage ( const std::vector< Image< byte > > &  image, float  x = 0, float  y = 0, float  sx = 1.0f, float  sy = 1.0f  )

static

Draw Image using glDrawPixels()

Definition at line 263 of file Data.cpp.

References interleave().

Referenced by getImage().

{
    byte *buf = interleave(image);
    glPixelZoom(sx, sy);
    glRasterPos3f(x,y,0.0f);
    glDrawPixels(image[0].getSizeX(),
                 image[0].getSizeY(),
                 GL_RGB,
                 GL_UNSIGNED_BYTE,
                 buf);
    delete buf;
}

void Dataset::drawImage ( const Image< byte > &  image, float  x = 0, float  y = 0, float  sx = 1.0f, float  sy = 1.0f  )

static

Definition at line 229 of file Data.cpp.

References Image< T >::getData(), Image< T >::getSizeX(), and Image< T >::getSizeY().

{
    glPixelZoom(sx, sy);
    glRasterPos3f(x,y,0.0f);
    glDrawPixels(image.getSizeX(),
                 image.getSizeY(),
                 GL_LUMINANCE,
                 GL_UNSIGNED_BYTE,
                 image.getData());
}

int Dataset::getDim1Size ( ) const

inlinevirtual

the real dataset will override these

Reimplemented from Sensor.

Definition at line 44 of file Data.h.

References m_Dim1.

Referenced by ImageWindow::drawScene(), main(), ImageWindow::onKeyPress(), ImageWindow::onLeftMouseClick(), and ImageWindow::onRightMouseClick().

{ return m_Dim1; }

int Dataset::getDim2Size ( ) const

inlinevirtual

Reimplemented from Sensor.

Definition at line 45 of file Data.h.

References m_Dim2.

Referenced by ImageWindow::drawScene(), main(), ImageWindow::onKeyPress(), ImageWindow::onLeftMouseClick(), and ImageWindow::onRightMouseClick().

{ return m_Dim2; }

int Dataset::getDim3Size ( ) const

inlinevirtual

Reimplemented from Sensor.

Definition at line 46 of file Data.h.

References m_Dim3.

{ return m_Dim3; }

const std::string& Dataset::getFilename ( ) const

inline

Definition at line 75 of file Data.h.

References m_Filename.

{ return m_Filename; }

dword Dataset::getHalveBeyondSize ( ) const

inline

Definition at line 81 of file Data.h.

References addNoise(), and m_HalveBeyondSize.

{ return m_HalveBeyondSize; }

const ByteImage& Dataset::getImage ( ) const

inline

Definition at line 54 of file Data.h.

References data, and m_CurrImage.

Referenced by ImageWindow::onKeyPress().

{ return data.at(m_CurrImage); }

ByteImage& Dataset::getImage ( )

inline

Definition at line 55 of file Data.h.

References data, and m_CurrImage.

{ return data.at(m_CurrImage); }

const ByteImage& Dataset::getImage ( int  index ) const

inline

Definition at line 56 of file Data.h.

References data.

{ return data.at(index); }

ByteImage& Dataset::getImage ( int  index )

inline

Definition at line 57 of file Data.h.

References data, drawImage(), and loadImage().

{ return data.at(index); }

int Dataset::getNChannels ( ) const

inlinevirtual

Reimplemented from Sensor.

Definition at line 47 of file Data.h.

References m_NChannels.

{ return m_NChannels; }

const Point2D& Dataset::getOrigin ( ) const

inline

Definition at line 72 of file Data.h.

References m_Origin.

{ return m_Origin; }

const Point2D& Dataset::getOSize ( ) const

inline

Definition at line 73 of file Data.h.

References m_OSize.

{ return m_OSize; }

dword Dataset::getPPMM ( ) const

inline

Definition at line 70 of file Data.h.

References m_ppmm.

{ return m_ppmm; }

PropVec Dataset::getPropVec ( ) const

inline

Definition at line 76 of file Data.h.

References m_Dim1, and setPropScale().

Referenced by getPropVecMM().

        { PropVec pv(0.f); return setPropScale(pv, (float)m_Dim1); }

PropVec Dataset::getPropVecMM ( ) const

inline

Definition at line 78 of file Data.h.

References getPropVec(), m_ppmm, and scalePropVec().

        { PropVec pv(getPropVec()); return scalePropVec(pv, 1.f/m_ppmm); }

bool Dataset::initialized ( ) const

inline

Definition at line 52 of file Data.h.

References m_Dim1, and m_Dim2.

Referenced by ImageWindow::drawScene(), and operator bool().

{ return m_Dim1 && m_Dim2; }

bool Dataset::load	(	const char *	filename,
		dword	ppmm = 0
	)

Load data set from file

Definition at line 62 of file Data.cpp.

References data, Image< T >::getSizeX(), Image< T >::getSizeY(), Image< T >::insert(), loadImage(), m_CurrImage, m_Dim1, m_Dim2, m_Dim3, m_Filename, m_HalveBeyondSize, m_NChannels, m_Origin, m_OSize, m_RefreshImage, Sensor::performUpdate(), Sensor::setModified(), setPPMM(), Image< T >::sum(), Sensor::UPD_DATA, writeMutex, Point2D::x, and Point2D::y.

Referenced by ImageWindow::changeSpecies(), Dataset(), and ~Dataset().

{
    if(data.empty()) data.push_back(*(new ByteImage()));
    vuLock l(writeMutex);
    bool loaded = loadImage(data, filename);
    if(loaded) {
        m_Filename = filename;
        m_Origin = 0.0f;
        if(data[0].getSizeY()>3 && data[0].getSizeX()>3) {
            ByteImage zimg(data[0].getSizeX()-2, data[0].getSizeY()-2,0);
            int brd = (1<<6);
            m_Origin = (float)brd;
            for(vector< ByteImage >::iterator ii=data.begin();
                ii!=data.end();ii++)
            {
                if((dword)ii->getSize() > m_HalveBeyondSize) {
                    *ii = ii->scaleBy(0.5);
                    ppmm /= 2;
                    cout << "reducing image" << endl;
                }
                ByteImage copimg(*ii);
                copimg.insert(zimg, 1, 1);
                double avgcol = copimg.sum()/
                    ((copimg.getSizeX()+copimg.getSizeY())*2-4);
                ii->zeroPad(brd, byte(avgcol));
                // make edge length even
                dword nx = (ii->getSizeX()/2+1)*2;
                dword ny = (ii->getSizeY()/2+1)*2;
                ByteImage ni(nx, ny, byte(avgcol));
                ni.insert(*ii);
                *ii = ni;
//                 stringstream fname;
//                 fname << "bimage" << ii-data.begin() << ".ppm";
//                 if(ii->writePPM(fname.str())) cout << "ok." << endl;
            }
        }
        m_OSize.x = (float)data[0].getSizeX();
        m_OSize.y = (float)data[0].getSizeY();
        m_CurrImage = 0;
        m_Dim1 = data[0].getSizeX();
        m_Dim2 = data[0].getSizeY();
        m_Dim3 = 1;
        m_RefreshImage = true;
        m_NChannels = data.size();
        setPPMM(ppmm);
        setModified(UPD_DATA);
        performUpdate();
        return true;
    } else return false;
}

bool Dataset::loadImage ( std::vector< Image< byte > > &  image, const char *  filename  )

static

Load an Image<byte>

Definition at line 159 of file Data.cpp.

References copyFXImage2Image(), and NULL.

Referenced by getImage(), and load().

                                                                     {
    FXString ext=FXPath::extension(file);
    FXImage *img=NULL;
    FXApp *app = FXApp::instance(); //getApp()

    if(comparecase(ext,"bmp")==0){
        img=new FXBMPImage(app,NULL,IMAGE_KEEP|IMAGE_SHMI|IMAGE_SHMP);
    }
    else if(comparecase(ext,"gif")==0){
        img=new FXGIFImage(app,NULL,IMAGE_KEEP|IMAGE_SHMI|IMAGE_SHMP);
    }
    else if(comparecase(ext,"tga")==0){
        img=new FXTGAImage(app,NULL,IMAGE_KEEP|IMAGE_SHMI|IMAGE_SHMP);
    }
#ifdef HAVE_PNG_H
    else if(comparecase(ext,"png")==0){
        img=new FXPNGImage(app,NULL,IMAGE_KEEP|IMAGE_SHMI|IMAGE_SHMP);
    }
#endif
#ifdef HAVE_JPEG_H
    else if(comparecase(ext,"jpg")==0){
        img=new FXJPGImage(app,NULL,IMAGE_KEEP|IMAGE_SHMI|IMAGE_SHMP);
    }
#endif
#ifdef HAVE_TIFF_H
    else if(comparecase(ext,"tif")==0 || comparecase(ext,"tiff")==0){
        img=new FXTIFImage(app,NULL,IMAGE_KEEP|IMAGE_SHMI|IMAGE_SHMP);
    }
#endif
    bool load_ok = false;
    if(img!=NULL) {
        // Load it
        FXFileStream stream;
        if(stream.open(file,FXStreamLoad)){
            //app->beginWaitCursor();
            load_ok = img->loadPixels(stream);
            if(load_ok) {
                img->create();
                //app->endWaitCursor();
                //img->mirror(false, true);
                copyFXImage2Image(image, *img);
            }
            stream.close();
        }
        delete img;
    }
    //note: modal error message causes deadlock on Brain::m_DataMutex
    //between Brain::loadData and Brain::drawAllModels
    //if(!load_ok)
    //    FXMessageBox::error(/*this app->getRootWindow()*/ app,MBOX_OK,"Error Loading Image","Unsupported type: %s",ext.text());
    return load_ok;
}

Dataset::operator bool ( ) const

inline

Definition at line 53 of file Data.h.

References initialized().

{ return initialized(); }

std::ostream& Dataset::print ( std::ostream &  os ) const

inlinevirtual

Reimplemented from Sensor.

Definition at line 48 of file Data.h.

References clear().

        { return os; } //don't print to model file

void Dataset::setHalveBeyondSize ( dword  hbs = 0xffffffff )

inline

Definition at line 80 of file Data.h.

References m_HalveBeyondSize.

{ m_HalveBeyondSize = hbs; }

void Dataset::setPPMM ( dword  ppmm )

inline

Definition at line 71 of file Data.h.

References DEFAULT_PPMM, and m_ppmm.

Referenced by load().

{ m_ppmm = ppmm ? ppmm : DEFAULT_PPMM; }

Member Data Documentation

std::vector<ByteImage> Dataset::data

protected

The data as one dimensional array. If more than one channel is used data will be organized as vector<ByteImage>.

Definition at line 108 of file Data.h.

Referenced by addNoise(), calcMValue(), calcValue(), clear(), copyData(), draw(), getImage(), load(), and makeNoiseImage().

int Dataset::m_CurrImage

protected

current image

Definition at line 112 of file Data.h.

Referenced by calcValue(), clear(), copyData(), getImage(), and load().

int Dataset::m_Dim1

protected

Dimensions in X, Y, and Z direction + number of channels

Definition at line 111 of file Data.h.

Referenced by calcValue(), clear(), copyData(), getDim1Size(), getPropVec(), initialized(), and load().

int Dataset::m_Dim2

protected

Definition at line 111 of file Data.h.

Referenced by calcValue(), clear(), copyData(), getDim2Size(), initialized(), and load().

int Dataset::m_Dim3

protected

Definition at line 111 of file Data.h.

Referenced by clear(), copyData(), getDim3Size(), and load().

std::string Dataset::m_Filename

protected

Definition at line 114 of file Data.h.

Referenced by clear(), copyData(), getFilename(), and load().

GLImage Dataset::m_GLImage

mutableprotected

Definition at line 116 of file Data.h.

Referenced by draw().

dword Dataset::m_HalveBeyondSize

protected

Definition at line 118 of file Data.h.

Referenced by copyData(), getHalveBeyondSize(), load(), and setHalveBeyondSize().

int Dataset::m_NChannels

protected

Definition at line 111 of file Data.h.

Referenced by calcMValue(), clear(), copyData(), getNChannels(), and load().

Point2D Dataset::m_Origin

protected

Definition at line 115 of file Data.h.

Referenced by clear(), getOrigin(), and load().

Point2D Dataset::m_OSize

protected

Definition at line 115 of file Data.h.

Referenced by getOSize(), and load().

dword Dataset::m_ppmm

protected

Definition at line 113 of file Data.h.

Referenced by clear(), copyData(), getPPMM(), getPropVecMM(), and setPPMM().

bool Dataset::m_RefreshImage

mutableprotected

Definition at line 117 of file Data.h.

Referenced by addNoise(), draw(), and load().

vuMutex Dataset::writeMutex

Definition at line 68 of file Data.h.

Referenced by load().

---

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

• src/Data.h
• src/Data.cpp