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qgsrasterlayerproperties.cpp
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qgsrasterlayerproperties.cpp
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/***************************************************************************
qgsrasterlayerproperties.cpp - description
-------------------
begin : 1/1/2004
copyright : (C) 2004 Tim Sutton
email : tim@linfiniti.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgslogger.h"
#include "qgsapplication.h"
#include "qgscoordinatetransform.h"
#include "qgsrasterlayerproperties.h"
#include "qgslayerprojectionselector.h"
#include "qgsproject.h"
#include "qgsrasterbandstats.h"
#include "qgsrasterlayer.h"
#include "qgsrasterpyramid.h"
#include "qgscontexthelp.h"
#include "qgsmaplayerregistry.h"
#include "qgscontrastenhancement.h"
#include "qgsrastertransparency.h"
#include "qgscolorrampshader.h"
#include <QTableWidgetItem>
#include <QHeaderView>
#include <QTextStream>
#include <QFileDialog>
#include <QMessageBox>
#include <QPainter>
#include <QLinearGradient>
#include <QPainterPath>
#include <QPolygonF>
#include <QColorDialog>
#include <QList>
#include <iostream>
const char * const ident =
"$Id$";
QgsRasterLayerProperties::QgsRasterLayerProperties(QgsMapLayer *lyr, QWidget *parent, Qt::WFlags fl)
: QDialog(parent, fl),
mpRasterLayer( dynamic_cast<QgsRasterLayer*>(lyr) )
{
ignoreSpinBoxEvent = false; //Short circuit signal loop between min max field and stdDev spin box
if (mpRasterLayer->getDataProvider() == 0)
{
// This is a GDAL-based layer
mRasterLayerIsGdal = TRUE;
mRasterLayerIsWms = FALSE;
}
else if (mpRasterLayer->getDataProvider()->name() == "wms")
{
// This is a WMS-based layer
mRasterLayerIsWms = TRUE;
mRasterLayerIsGdal = FALSE;
}
setupUi(this);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
connect(this, SIGNAL(accepted()), this, SLOT(apply()));
connect(buttonBox->button(QDialogButtonBox::Apply), SIGNAL(clicked()), this, SLOT(apply()));
connect(sliderTransparency, SIGNAL(valueChanged(int)), this, SLOT(sliderTransparency_valueChanged(int)));
//clear either stdDev or min max entries depending which is changed
connect(sboxSingleBandStdDev, SIGNAL(valueChanged(double)), this, SLOT(sboxSingleBandStdDev_valueChanged(double)));
connect(sboxThreeBandStdDev, SIGNAL(valueChanged(double)), this, SLOT(sboxThreeBandStdDev_valueChanged(double)));
connect(leGrayMin, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leGrayMax, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leRedMin, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leRedMax, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leGreenMin, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leGreenMax, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leBlueMin, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(leBlueMax, SIGNAL(textEdited(QString)), this, SLOT(userDefinedMinMax_textEdited(QString)));
connect(mColormapTreeWidget, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)), this, SLOT(handleColormapTreeWidgetDoubleClick(QTreeWidgetItem*,int)));
// set up the scale based layer visibility stuff....
chkUseScaleDependentRendering->setChecked(lyr->scaleBasedVisibility());
spinMinimumScale->setValue((int)lyr->minScale());
spinMaximumScale->setValue((int)lyr->maxScale());
// build GUI components
cboxColorMap->insertItem(tr("Grayscale"));
cboxColorMap->insertItem(tr("Pseudocolor"));
cboxColorMap->insertItem(tr("Freak Out"));
cboxColorMap->insertItem(tr("Custom Colormap"));
//add items to the color stretch combo box
cboxContrastEnhancementAlgorithm->insertItem(tr("No Stretch"));
cboxContrastEnhancementAlgorithm->insertItem(tr("Stretch To MinMax"));
cboxContrastEnhancementAlgorithm->insertItem(tr("Stretch And Clip To MinMax"));
cboxContrastEnhancementAlgorithm->insertItem(tr("Clip To MinMax"));
//set initial states of all Min Max and StdDev fields and labels to disabled
sboxThreeBandStdDev->setEnabled(false);
sboxSingleBandStdDev->setEnabled(false);
lblGrayMin->setEnabled(false);
leGrayMin->setEnabled(false);
lblGrayMax->setEnabled(false);
leGrayMax->setEnabled(false);
lblRedMin->setEnabled(false);
leRedMin->setEnabled(false);
lblRedMax->setEnabled(false);
leRedMax->setEnabled(false);
lblGreenMin->setEnabled(false);
leGreenMin->setEnabled(false);
lblGreenMax->setEnabled(false);
leGreenMax->setEnabled(false);
lblBlueMin->setEnabled(false);
leBlueMin->setEnabled(false);
lblBlueMax->setEnabled(false);
leBlueMax->setEnabled(false);
pbtnLoadMinMax->setEnabled(true);
//setup custom colormap tab
cboxColorInterpolation->insertItem(-1, tr("Discrete"));
cboxColorInterpolation->insertItem(-1, tr("Linearly"));
cboxClassificationMode->insertItem(-1, tr("Equal interval"));
cboxClassificationMode->insertItem(-1, tr("Quantiles"));
QStringList headerLabels;
headerLabels << "Value";
headerLabels << "Color";
headerLabels << "Label";
mColormapTreeWidget->setHeaderLabels(headerLabels);
//disable Custom colormap tab completely until 'Custom Colormap' is selected (and only for type GRAY_OR_UNDEFINED)
tabBar->setTabEnabled(tabBar->indexOf(tabPageColormap), FALSE);
//
// Set up the combo boxes that contain band lists using the qstring list generated above
//
if (mpRasterLayer->getRasterLayerType()
== QgsRasterLayer::PALETTE) //paletted layers have hard coded color entries
{
cboRed->insertItem("Red");
cboGreen->insertItem("Red");
cboBlue->insertItem("Red");
cboRed->insertItem("Green");
cboGreen->insertItem("Green");
cboBlue->insertItem("Green");
cboRed->insertItem("Blue");
cboGreen->insertItem("Blue");
cboBlue->insertItem("Blue");
cboRed->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
cboGreen->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
cboBlue->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
cboGray->insertItem("Red");
cboGray->insertItem("Green");
cboGray->insertItem("Blue");
cboGray->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
lstHistogramLabels->insertItem(tr("Palette"));
}
else // all other layer types use band name entries only
{
#ifdef QGISDEBUG
std::cout << "Populating combos for non paletted layer" << std::endl;
#endif
//
// Get a list of band names
//
QStringList myBandNameList;
int myBandCountInt = mpRasterLayer->getBandCount();
#ifdef QGISDEBIG
std::cout << "Looping though " << myBandCountInt << " image layers to get their names " << std::endl;
#endif
for (int myIteratorInt = 1;
myIteratorInt <= myBandCountInt;
++myIteratorInt)
{
//find out the name of this band
QString myRasterBandNameQString = mpRasterLayer->getRasterBandName(myIteratorInt) ;
//
//add the band to the histogram tab
//
QPixmap myPixmap(10,10);
if (myBandCountInt==1) //draw single band images with black
{
myPixmap.fill( Qt::black );
}
else if (myIteratorInt==1)
{
myPixmap.fill( Qt::red );
}
else if (myIteratorInt==2)
{
myPixmap.fill( Qt::green );
}
else if (myIteratorInt==3)
{
myPixmap.fill( Qt::blue );
}
else if (myIteratorInt==4)
{
myPixmap.fill( Qt::magenta );
}
else if (myIteratorInt==5)
{
myPixmap.fill( Qt::darkRed );
}
else if (myIteratorInt==6)
{
myPixmap.fill( Qt::darkGreen );
}
else if (myIteratorInt==7)
{
myPixmap.fill( Qt::darkBlue );
}
else
{
myPixmap.fill( Qt::gray );
}
lstHistogramLabels->insertItem(myPixmap,myRasterBandNameQString);
mGradientHeight = pixHistogram->height() / 2;
mGradientWidth = pixHistogram->width() /2;
//keep a list of band names for later use
//! @note band names should not be translated!
myBandNameList.append(myRasterBandNameQString);
}
//select all histogram layers list items by default
for (int myIteratorInt = 1;
myIteratorInt <= myBandCountInt;
++myIteratorInt)
{
Q3ListBoxItem *myItem = lstHistogramLabels->item( myIteratorInt-1 );
lstHistogramLabels->setSelected( myItem,true);
}
for (QStringList::Iterator myIterator = myBandNameList.begin();
myIterator != myBandNameList.end();
++myIterator)
{
QString myQString = *myIterator;
#ifdef QGISDEBUG
std::cout << "Inserting : " << myQString.toLocal8Bit().data() << std::endl;
#endif
cboGray->insertItem(myQString);
cboRed->insertItem(myQString);
cboGreen->insertItem(myQString);
cboBlue->insertItem(myQString);
}
//TODO: Need to handle situations where a band is set to Not Set, currently if you set a band to this it will segfault.
cboRed->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
cboGreen->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
cboBlue->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
if (cboGray->count() != 1)
cboGray->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
}
cboxTransparencyBand->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
cboxTransparencyLayer->insertItem(tr(QgsRasterLayer::QSTRING_NOT_SET));
QMap<QString, QgsMapLayer *> myLayers = QgsMapLayerRegistry::instance()->mapLayers();
QMap<QString, QgsMapLayer *>::iterator it;
for(it = myLayers.begin(); it != myLayers.end(); it++)
{
if(QgsMapLayer::RASTER == it.value()->type())
{
cboxTransparencyLayer->insertItem(it.value()->name());
}
}
QString myThemePath = QgsApplication::themePath();
QPixmap myPyramidPixmap(myThemePath + "/mIconPyramid.png");
QPixmap myNoPyramidPixmap(myThemePath + "/mIconNoPyramid.png");
pbnAddValuesManually->setIconSet(QIcon(QPixmap(myThemePath + "/mActionNewAttribute.png")));
pbnAddValuesFromDisplay->setIconSet(QIcon(QPixmap(myThemePath + "/mActionContextHelp.png")));
pbnRemoveSelectedRow->setIconSet(QIcon(QPixmap(myThemePath + "/mActionDeleteAttribute.png")));
pbnDefaultValues->setIconSet(QIcon(QPixmap(myThemePath + "/mActionCopySelected.png")));
pbnImportTransparentPixelValues->setIconSet(QIcon(QPixmap(myThemePath + "/mActionFileOpen.png")));
pbnExportTransparentPixelValues->setIconSet(QIcon(QPixmap(myThemePath + "/mActionFileSave.png")));
// Only do pyramids if dealing directly with GDAL.
if (mRasterLayerIsGdal)
{
QgsRasterLayer::RasterPyramidList myPyramidList = mpRasterLayer->buildRasterPyramidList();
QgsRasterLayer::RasterPyramidList::iterator myRasterPyramidIterator;
for ( myRasterPyramidIterator=myPyramidList.begin();
myRasterPyramidIterator != myPyramidList.end();
++myRasterPyramidIterator )
{
if ((*myRasterPyramidIterator).existsFlag==true)
{
lbxPyramidResolutions->insertItem(myPyramidPixmap,
QString::number((*myRasterPyramidIterator).xDim) + QString(" x ") +
QString::number((*myRasterPyramidIterator).yDim));
}
else
{
lbxPyramidResolutions->insertItem(myNoPyramidPixmap,
QString::number((*myRasterPyramidIterator).xDim) + QString(" x ") +
QString::number((*myRasterPyramidIterator).yDim));
}
}
}
else if (mRasterLayerIsWms)
{
// disable Pyramids tab completely
tabBar->setTabEnabled(tabBar->indexOf(tabPagePyramids), FALSE);
// disable Histogram tab completely
tabBar->setTabEnabled(tabBar->indexOf(tabPageHistogram), FALSE);
}
leSpatialRefSys->setText(mpRasterLayer->srs().proj4String());
// Set text for pyramid info box
QString pyramidFormat("<h2>%1</h2><p>%2 %3 %4</p><b><font color='red'><p>%5</p><p>%6</p>");
QString pyramidHeader = tr("Description");
QString pyramidSentence1 = tr("Large resolution raster layers can slow navigation in QGIS.");
QString pyramidSentence2 = tr("By creating lower resolution copies of the data (pyramids) performance can be considerably improved as QGIS selects the most suitable resolution to use depending on the level of zoom.");
QString pyramidSentence3 = tr("You must have write access in the directory where the original data is stored to build pyramids.");
QString pyramidSentence4 = tr("Please note that building pyramids may alter the original data file and once created they cannot be removed!");
QString pyramidSentence5 = tr("Please note that building pyramids could corrupt your image - always make a backup of your data first!");
tePyramidDescription->setHtml(pyramidFormat.arg(pyramidHeader).arg(pyramidSentence1)
.arg(pyramidSentence2).arg(pyramidSentence3)
.arg(pyramidSentence4).arg(pyramidSentence5));
// update based on lyr's current state
sync();
} // QgsRasterLayerProperties ctor
QgsRasterLayerProperties::~QgsRasterLayerProperties()
{
}
/*
*
* PUBLIC METHODS
*
*/
void QgsRasterLayerProperties::populateTransparencyTable()
{
//Clear existsing color transparency list
//NOTE: May want to just tableTransparency->clearContents() and fill back in after checking to be sure list and table are the same size
QString myNumberFormatter;
if(rbtnThreeBand->isChecked() && QgsRasterLayer::PALETTED_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_MULTI_BAND_COLOR != mpRasterLayer->getDrawingStyle())
{
for(int myTableRunner = tableTransparency->rowCount() - 1; myTableRunner >= 0; myTableRunner--)
{
tableTransparency->removeRow(myTableRunner);
}
tableTransparency->clear();
tableTransparency->setColumnCount(4);
tableTransparency->setHorizontalHeaderItem(0, new QTableWidgetItem(tr("Red")));
tableTransparency->setHorizontalHeaderItem(1, new QTableWidgetItem(tr("Green")));
tableTransparency->setHorizontalHeaderItem(2, new QTableWidgetItem(tr("Blue")));
tableTransparency->setHorizontalHeaderItem(3, new QTableWidgetItem(tr("Percent Transparent")));
//populate three band transparency list
QList<QgsRasterTransparency::TransparentThreeValuePixel> myTransparentThreeValuePixelList = mpRasterLayer->getRasterTransparency()->getTransparentThreeValuePixelList();
for(int myListRunner = 0; myListRunner < myTransparentThreeValuePixelList.count(); myListRunner++)
{
tableTransparency->insertRow(myListRunner);
QTableWidgetItem* myRedItem = new QTableWidgetItem(myNumberFormatter.sprintf("%.2f",myTransparentThreeValuePixelList[myListRunner].red));
QTableWidgetItem* myGreenItem = new QTableWidgetItem(myNumberFormatter.sprintf("%.2f",myTransparentThreeValuePixelList[myListRunner].green));
QTableWidgetItem* myBlueItem = new QTableWidgetItem(myNumberFormatter.sprintf("%.2f",myTransparentThreeValuePixelList[myListRunner].blue));
QTableWidgetItem* myPercentTransparentItem = new QTableWidgetItem(myNumberFormatter.sprintf("%.2f", myTransparentThreeValuePixelList[myListRunner].percentTransparent));
tableTransparency->setItem(myListRunner, 0, myRedItem);
tableTransparency->setItem(myListRunner, 1, myGreenItem);
tableTransparency->setItem(myListRunner, 2, myBlueItem);
tableTransparency->setItem(myListRunner, 3, myPercentTransparentItem);
}
}
else
{
//Clear existing single band or pallet values gransparency list
for(int myTableRunner = tableTransparency->rowCount() - 1; myTableRunner >=0; myTableRunner--)
{
tableTransparency->removeRow(myTableRunner);
}
tableTransparency->clear();
tableTransparency->setColumnCount(2);
if(QgsRasterLayer::PALETTED_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_SINGLE_BAND_GRAY != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_SINGLE_BAND_PSEUDO_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_MULTI_BAND_COLOR != mpRasterLayer->getDrawingStyle())
{
tableTransparency->setHorizontalHeaderItem(0, new QTableWidgetItem(tr("Gray")));
}
else
{
tableTransparency->setHorizontalHeaderItem(0, new QTableWidgetItem(tr("Indexed Value")));
}
tableTransparency->setHorizontalHeaderItem(1, new QTableWidgetItem(tr("Percent Transparent")));
//populate gray transparency list
QList<QgsRasterTransparency::TransparentSingleValuePixel> myTransparentSingleValuePixelList = mpRasterLayer->getRasterTransparency()->getTransparentSingleValuePixelList();
for(int myListRunner = 0; myListRunner < myTransparentSingleValuePixelList.count(); myListRunner++)
{
tableTransparency->insertRow(myListRunner);
QTableWidgetItem* myGrayItem = new QTableWidgetItem(myNumberFormatter.sprintf("%.2f",myTransparentSingleValuePixelList[myListRunner].pixelValue));
QTableWidgetItem* myPercentTransparentItem = new QTableWidgetItem(myNumberFormatter.sprintf("%.2f", myTransparentSingleValuePixelList[myListRunner].percentTransparent));
tableTransparency->setItem(myListRunner, 0, myGrayItem);
tableTransparency->setItem(myListRunner, 1, myPercentTransparentItem);
}
}
tableTransparency->resizeColumnsToContents();
tableTransparency->resizeRowsToContents();
}
/**
@note moved from ctor
Previously this dialog was created anew with each right-click pop-up menu
invokation. Changed so that the dialog always exists after first
invocation, and is just re-synchronized with its layer's state when
re-shown.
*/
void QgsRasterLayerProperties::sync()
{
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync called");
#endif
cboxShowDebugInfo->hide();
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync populate symbology tab");
#endif
/*
* Symbology Tab
*/
//decide whether user can change rgb settings
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync DrawingStyle = " + QString::number(mpRasterLayer->getDrawingStyle()));
#endif
switch (mpRasterLayer->getDrawingStyle())
{
case QgsRasterLayer::SINGLE_BAND_GRAY:
rbtnThreeBand->setEnabled(false);
rbtnSingleBand->setEnabled(true);
rbtnSingleBand->setChecked(true);
break;
case QgsRasterLayer::SINGLE_BAND_PSEUDO_COLOR:
rbtnThreeBand->setEnabled(false);
rbtnSingleBand->setEnabled(true);
rbtnSingleBand->setChecked(true);
break;
case QgsRasterLayer::PALETTED_SINGLE_BAND_GRAY:
rbtnThreeBand->setEnabled(true);
rbtnSingleBand->setEnabled(true);
rbtnSingleBand->setChecked(true);
rbtnThreeBandMinMax->setEnabled(false);
rbtnThreeBandStdDev->setEnabled(false);
pbtnLoadMinMax->setEnabled(false);
cboxContrastEnhancementAlgorithm->setEnabled(false);
break;
case QgsRasterLayer::PALETTED_SINGLE_BAND_PSEUDO_COLOR:
rbtnThreeBand->setEnabled(true);
rbtnSingleBand->setEnabled(true);
rbtnSingleBand->setChecked(true);
rbtnThreeBandMinMax->setEnabled(false);
rbtnThreeBandStdDev->setEnabled(false);
pbtnLoadMinMax->setEnabled(false);
cboxContrastEnhancementAlgorithm->setEnabled(false);
break;
case QgsRasterLayer::PALETTED_MULTI_BAND_COLOR:
rbtnThreeBand->setEnabled(true);
rbtnSingleBand->setEnabled(true);
rbtnThreeBand->setChecked(true);
rbtnThreeBandMinMax->setEnabled(false);
rbtnThreeBandStdDev->setEnabled(false);
pbtnLoadMinMax->setEnabled(false);
cboxContrastEnhancementAlgorithm->setEnabled(false);
break;
case QgsRasterLayer::MULTI_BAND_SINGLE_BAND_GRAY:
rbtnThreeBand->setEnabled(true);
rbtnSingleBand->setEnabled(true);
rbtnSingleBand->setChecked(true);
break;
case QgsRasterLayer::MULTI_BAND_SINGLE_BAND_PSEUDO_COLOR:
rbtnThreeBand->setEnabled(true);
rbtnSingleBand->setEnabled(true);
rbtnSingleBand->setChecked(true);
break;
case QgsRasterLayer::MULTI_BAND_COLOR:
rbtnThreeBand->setEnabled(true);
rbtnSingleBand->setEnabled(true);
rbtnThreeBand->setChecked(true);
break;
default:
break;
}
/*
if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::MULTIBAND)
{
//multiband images can also be rendered as single band (using only one of the bands)
txtSymologyNotes->
setText(tr
("<h3>Multiband Image Notes</h3><p>This is a multiband image. You can choose to render it as grayscale or color (RGB). For color images, you can associate bands to colors arbitarily. For example, if you have a seven band landsat image, you may choose to render it as:</p><ul><li>Visible Blue (0.45 to 0.52 microns) - not mapped</li><li>Visible Green (0.52 to 0.60 microns) - not mapped</li></li>Visible Red (0.63 to 0.69 microns) - mapped to red in image</li><li>Near Infrared (0.76 to 0.90 microns) - mapped to green in image</li><li>Mid Infrared (1.55 to 1.75 microns) - not mapped</li><li>Thermal Infrared (10.4 to 12.5 microns) - not mapped</li><li>Mid Infrared (2.08 to 2.35 microns) - mapped to blue in image</li></ul>"));
}
else if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::PALETTE)
{
//paletted images (e.g. tif) can only be rendered as three band rgb images
txtSymologyNotes->
setText(tr
("<h3>Paletted Image Notes</h3> <p>This image uses a fixed color palette. You can remap these colors in different combinations e.g.</p><ul><li>Red - blue in image</li><li>Green - blue in image</li><li>Blue - green in image</li></ul>"));
}
else //only grayscale settings allowed
{
//grayscale images can only be rendered as singleband
txtSymologyNotes->
setText(tr
("<h3>Grayscale Image Notes</h3> <p>You can remap these grayscale colors to a pseudocolor image using an automatically generated color ramp.</p>"));
}
*/
//
// Populate the various controls on the form
//
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync colorShadingAlgorithm = " + QString::number(mpRasterLayer->getColorShadingAlgorithm()));
#endif
if (mpRasterLayer->getDrawingStyle() == QgsRasterLayer::SINGLE_BAND_PSEUDO_COLOR ||
mpRasterLayer->getDrawingStyle() == QgsRasterLayer::PALETTED_SINGLE_BAND_PSEUDO_COLOR ||
mpRasterLayer->getDrawingStyle() == QgsRasterLayer::MULTI_BAND_SINGLE_BAND_PSEUDO_COLOR)
{
if(mpRasterLayer->getColorShadingAlgorithm()==QgsRasterLayer::PSEUDO_COLOR)
{
cboxColorMap->setCurrentText(tr("Pseudocolor"));
}
else if(mpRasterLayer->getColorShadingAlgorithm()==QgsRasterLayer::FREAK_OUT)
{
cboxColorMap->setCurrentText(tr("Freak Out"));
}
else if(mpRasterLayer->getColorShadingAlgorithm()==QgsRasterLayer::COLOR_RAMP)
{
cboxColorMap->setCurrentText(tr("Custom Colormap"));
}
else if(mpRasterLayer->getColorShadingAlgorithm()==QgsRasterLayer::USER_DEFINED)
{
cboxColorMap->setCurrentText(tr("User Defined"));
}
}
else
{
cboxColorMap->setCurrentText(tr("Grayscale"));
}
//set whether the layer histogram should be inverted
if (mpRasterLayer->getInvertHistogramFlag())
{
cboxInvertColorMap->setChecked(true);
}
else
{
cboxInvertColorMap->setChecked(false);
}
//set the transparency slider
sliderTransparency->setValue(255 - mpRasterLayer->getTransparency());
//update the transparency percentage label
sliderTransparency_valueChanged(255 - mpRasterLayer->getTransparency());
//set the combos to the correct values
cboRed->setCurrentText(mpRasterLayer->getRedBandName());
cboGreen->setCurrentText(mpRasterLayer->getGreenBandName());
cboBlue->setCurrentText(mpRasterLayer->getBlueBandName());
cboGray->setCurrentText(mpRasterLayer->getGrayBandName());
//set the stdDevs and min max values
if(rbtnThreeBand->isChecked())
{
if(mpRasterLayer->getUserDefinedRGBMinMax())
{
sboxThreeBandStdDev->setValue(0.0);
rbtnThreeBandStdDev->setChecked(false);
rbtnThreeBandMinMax->setChecked(true);
}
else
{
sboxThreeBandStdDev->setValue(mpRasterLayer->getStdDevsToPlot());
rbtnThreeBandStdDev->setChecked(true);
rbtnThreeBandMinMax->setChecked(false);
}
if(QgsRasterLayer::PALETTED_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_SINGLE_BAND_GRAY != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_SINGLE_BAND_PSEUDO_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_MULTI_BAND_COLOR != mpRasterLayer->getDrawingStyle())
{
if(mpRasterLayer->getRedBandName() != tr(QgsRasterLayer::QSTRING_NOT_SET))
{
leRedMin->setText(QString::number(mpRasterLayer->getMinimumValue(mpRasterLayer->getRedBandName())));
leRedMax->setText(QString::number(mpRasterLayer->getMaximumValue(mpRasterLayer->getRedBandName())));
}
if(mpRasterLayer->getGreenBandName() != tr(QgsRasterLayer::QSTRING_NOT_SET))
{
leGreenMin->setText(QString::number(mpRasterLayer->getMinimumValue(mpRasterLayer->getGreenBandName())));
leGreenMax->setText(QString::number(mpRasterLayer->getMaximumValue(mpRasterLayer->getGreenBandName())));
}
if(mpRasterLayer->getBlueBandName() != tr(QgsRasterLayer::QSTRING_NOT_SET))
{
leBlueMin->setText(QString::number(mpRasterLayer->getMinimumValue(mpRasterLayer->getBlueBandName())));
leBlueMax->setText(QString::number(mpRasterLayer->getMaximumValue(mpRasterLayer->getBlueBandName())));
}
}
}
else
{
if(mpRasterLayer->getUserDefinedGrayMinMax())
{
sboxSingleBandStdDev->setValue(0.0);
rbtnSingleBandStdDev->setChecked(false);
rbtnSingleBandMinMax->setChecked(true);
}
else
{
sboxSingleBandStdDev->setValue(mpRasterLayer->getStdDevsToPlot());
rbtnSingleBandStdDev->setChecked(true);
rbtnSingleBandMinMax->setChecked(false);
}
if(QgsRasterLayer::PALETTED_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_SINGLE_BAND_GRAY != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_SINGLE_BAND_PSEUDO_COLOR != mpRasterLayer->getDrawingStyle() &&
QgsRasterLayer::PALETTED_MULTI_BAND_COLOR != mpRasterLayer->getDrawingStyle())
{
if(mpRasterLayer->getGrayBandName() != tr(QgsRasterLayer::QSTRING_NOT_SET))
{
leGrayMin->setText(QString::number(mpRasterLayer->getMinimumValue(mpRasterLayer->getGrayBandName())));
leGrayMax->setText(QString::number(mpRasterLayer->getMaximumValue(mpRasterLayer->getGrayBandName())));
}
}
}
//set color scaling algorithm
if(QgsContrastEnhancement::STRETCH_TO_MINMAX == mpRasterLayer->getContrastEnhancementAlgorithm())
{
cboxContrastEnhancementAlgorithm->setCurrentText(tr("Stretch To MinMax"));
}
else if(QgsContrastEnhancement::STRETCH_AND_CLIP_TO_MINMAX == mpRasterLayer->getContrastEnhancementAlgorithm())
{
cboxContrastEnhancementAlgorithm->setCurrentText(tr("Stretch And Clip To MinMax"));
}
else if(QgsContrastEnhancement::CLIP_TO_MINMAX == mpRasterLayer->getContrastEnhancementAlgorithm())
{
cboxContrastEnhancementAlgorithm->setCurrentText(tr("Clip To MinMax"));
}
else if(QgsContrastEnhancement::USER_DEFINED == mpRasterLayer->getContrastEnhancementAlgorithm())
{
cboxContrastEnhancementAlgorithm->setCurrentText(tr("User Defined"));
}
else
{
cboxContrastEnhancementAlgorithm->setCurrentText(tr("No Scaling"));
}
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync populate transparency tab");
#endif
/*
* Transparent Pixel Tab
*/
int myIndex = cboxTransparencyLayer->findText(mpRasterLayer->getTransparentLayerName());
if(-1 != myIndex)
{
cboxTransparencyLayer->setCurrentIndex(myIndex);
}
else
{
cboxTransparencyLayer->setCurrentIndex(cboxTransparencyLayer->findText(tr(QgsRasterLayer::QSTRING_NOT_SET)));
}
myIndex = cboxTransparencyBand->findText(mpRasterLayer->getTransparentBandName());
if(-1 != myIndex)
{
cboxTransparencyBand->setCurrentIndex(myIndex);
}
else
{
cboxTransparencyBand->setCurrentIndex(cboxTransparencyBand->findText(tr(QgsRasterLayer::QSTRING_NOT_SET)));
}
//add current NoDataValue to NoDataValue line edit
if(mpRasterLayer->isNoDataValueValid())
{
leNoDataValue->setText(QString::number(mpRasterLayer->getNoDataValue(), 'f'));
}
else
{
leNoDataValue->setText("");
}
//restore colormap tab if the layer has custom classification
if(cboxColorMap->currentText() == tr("Custom Colormap"))
{
syncColormapTab();
}
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync populate general tab");
#endif
/*
* General Tab
*/
cboxShowDebugInfo->hide();
//these properties (layername and label) are provided by the qgsmaplayer superclass
leLayerSource->setText(mpRasterLayer->source());
leDisplayName->setText(mpRasterLayer->name());
//update the debug checkbox
cboxShowDebugInfo->setChecked(mpRasterLayer->getShowDebugOverlayFlag());
//display the raster dimensions and no data value
if (mRasterLayerIsGdal)
{
lblColumns->setText(tr("Columns: ") + QString::number(mpRasterLayer->getRasterXDim()));
lblRows->setText(tr("Rows: ") + QString::number(mpRasterLayer->getRasterYDim()));
if(mpRasterLayer->isNoDataValueValid())
{
lblNoData->setText(tr("No-Data Value: ") + QString::number(mpRasterLayer->getNoDataValue()));
}
else
{
lblNoData->setText(tr("No-Data Value: Not Set"));
}
}
else if (mRasterLayerIsWms)
{
// TODO: Account for fixedWidth and fixedHeight WMS layers
lblColumns->setText(tr("Columns: ") + tr("n/a"));
lblRows->setText(tr("Rows: ") + tr("n/a"));
lblNoData->setText(tr("No-Data Value: ") + tr("n/a"));
}
//get the thumbnail for the layer
QPixmap myQPixmap = QPixmap(pixmapThumbnail->width(),pixmapThumbnail->height());
mpRasterLayer->drawThumbnail(&myQPixmap);
pixmapThumbnail->setPixmap(myQPixmap);
//update the legend pixmap on this dialog
pixmapLegend->setPixmap(mpRasterLayer->getLegendQPixmap());
pixmapLegend->setScaledContents(true);
pixmapLegend->repaint(false);
//set the palette pixmap
pixmapPalette->setPixmap(mpRasterLayer->getPaletteAsPixmap());
pixmapPalette->setScaledContents(true);
pixmapPalette->repaint(false);
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync populate metadata tab");
#endif
/*
* Metadata Tab
*/
//populate the metadata tab's text browser widget with gdal metadata info
QString myStyle = QgsApplication::reportStyleSheet();
txtbMetadata->setHtml(mpRasterLayer->getMetadata());
txtbMetadata->document()->setDefaultStyleSheet(myStyle);
} // QgsRasterLayerProperties::sync()
void QgsRasterLayerProperties::syncColormapTab()
{
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::sync populate color ramp tab");
#endif
if(!mpRasterLayer)
{
return;
}
if(QgsRasterLayer::COLOR_RAMP != mpRasterLayer->getColorShadingAlgorithm())
{
return;
}
QgsColorRampShader* myRasterShaderFunction = (QgsColorRampShader*)mpRasterLayer->getRasterShader()->getRasterShaderFunction();
if(!myRasterShaderFunction)
{
return;
}
//restore the colormap tab if layer has custom symbology
QList<QgsColorRampShader::ColorRampItem> myColorRampList = myRasterShaderFunction->getColorRampItemList();
if(myColorRampList.size() > 0)
{
QList<QgsColorRampShader::ColorRampItem>::const_iterator it;
for(it = myColorRampList.begin(); it != myColorRampList.end(); ++it)
{
//restore state of colormap tab
QTreeWidgetItem* newItem = new QTreeWidgetItem(mColormapTreeWidget);
newItem->setText(0, QString::number(it->value, 'f'));
newItem->setBackground(1, QBrush(it->color));
newItem->setText(2, it->label);
}
}
sboxNumberOfEntries->setValue(myColorRampList.size());
//restor state of 'color interpolation' combo box
if(QgsColorRampShader::DISCRETE == myRasterShaderFunction->getColorRampType())
{
cboxColorInterpolation->setCurrentIndex(cboxColorInterpolation->findText(tr("Discrete")));
}
else
{
cboxColorInterpolation->setCurrentIndex(cboxColorInterpolation->findText(tr("Linearly")));
}
}
bool QgsRasterLayerProperties::validUserDefinedMinMax()
{
if(rbtnThreeBand->isChecked())
{
bool myDoubleOk;
leRedMin->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
leRedMax->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
leGreenMin->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
leGreenMax->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
leBlueMin->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
leBlueMax->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
return true;
}
}
}
}
}
}
}
else
{
bool myDoubleOk;
leGrayMin->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
leGrayMax->text().toDouble(&myDoubleOk);
if(myDoubleOk)
{
return true;
}
}
}
return false;
}
/*
*
* PUBLIC AND PRIVATE SLOTS
*
*/
void QgsRasterLayerProperties::apply()
{
#ifdef QGISDEBUG
QgsDebugMsg("QgsRasterLayerProperties::apply processing symbology tab");
#endif
/*
* Symbology Tab
*/
//set the appropriate render style
if (rbtnSingleBand->isChecked())
{
//
// Grayscale
//
if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::GRAY_OR_UNDEFINED)
{
if (cboxColorMap->currentText() != tr("Grayscale"))
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: SINGLE_BAND_PSEUDO_COLOR" << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::SINGLE_BAND_PSEUDO_COLOR);
}
else
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: SINGLE_BAND_GRAY" << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::SINGLE_BAND_GRAY);
}
}
//
// Paletted Image
//
else if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::PALETTE)
{
if (cboxColorMap->currentText() != tr("Grayscale"))
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: PALETTED_SINGLE_BAND_PSEUDO_COLOR" << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::PALETTED_SINGLE_BAND_PSEUDO_COLOR);
}
else
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: PALETTED_SINGLE_BAND_GRAY" << std::endl;
#endif
#ifdef QGISDEBUG
std::cout << "Combo value : " << cboGray->currentText().toLocal8Bit().data() << " GrayBand Mapping : " << mpRasterLayer->
getGrayBandName().toLocal8Bit().data() << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::PALETTED_SINGLE_BAND_GRAY);
}
}
//
// Mutltiband
//
else if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::MULTIBAND)
{
if (cboxColorMap->currentText() != tr("Grayscale"))
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to ::MULTI_BAND_SINGLE_BAND_PSEUDO_COLOR " << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::MULTI_BAND_SINGLE_BAND_PSEUDO_COLOR);
}
else
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: MULTI_BAND_SINGLE_BAND_GRAY" << std::endl;
std::cout << "Combo value : " << cboGray->currentText().toLocal8Bit().data() << " GrayBand Mapping : " << mpRasterLayer->
getGrayBandName().toLocal8Bit().data() << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::MULTI_BAND_SINGLE_BAND_GRAY);
}
}
} //end of grayscale box enabled and rbtnsingleband checked
else //assume that rbtnThreeBand is checked and render in rgb color
{
//set the grayscale color table type if the groupbox is enabled
if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::PALETTE)
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: PALETTED_MULTI_BAND_COLOR" << std::endl;
#endif
mpRasterLayer->setDrawingStyle(QgsRasterLayer::PALETTED_MULTI_BAND_COLOR);
}
else if (mpRasterLayer->getRasterLayerType() == QgsRasterLayer::MULTIBAND)
{
#ifdef QGISDEBUG
std::cout << "Setting Raster Drawing Style to :: MULTI_BAND_COLOR" << std::endl;