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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 "qgisapp.h"
#include "qgscoordinatetransform.h"
#include "qgsrasterlayerproperties.h"
#include "qgsgenericprojectionselector.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 <QTableWidgetItem>
#include <QHeaderView>
#include <QTextStream>
#include <QFileDialog>
#include <QMessageBox>
#include <QPainter>
#include <QLinearGradient>
#include <QPainterPath>
#include <QPolygonF>
#include <QColorDialog>
#include <QList>
#include <QSettings>
#include "qgslogger.h"
const char * const ident =
"$Id$";
QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer *lyr, QWidget *parent, Qt::WFlags fl )
: QDialog( parent, fl ),
// Constant that signals property not used.
TRSTRING_NOT_SET( tr( "Not Set" ) ),
mRasterLayer( dynamic_cast<QgsRasterLayer*>( lyr ) )
{
ignoreSpinBoxEvent = false; //Short circuit signal loop between min max field and stdDev spin box
mGrayMinimumMaximumEstimated = true;
mRGBMinimumMaximumEstimated = true;
if ( mRasterLayer->dataProvider() == 0 )
{
// This is a GDAL-based layer
mRasterLayerIsGdal = TRUE;
mRasterLayerIsWms = FALSE;
}
else if ( mRasterLayer->dataProvider()->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->hasScaleBasedVisibility() );
spinMinimumScale->setValue(( int )lyr->minimumScale() );
spinMaximumScale->setValue(( int )lyr->maximumScale() );
// build GUI components
cboxColorMap->addItem( tr( "Grayscale" ) );
cboxColorMap->addItem( tr( "Pseudocolor" ) );
cboxColorMap->addItem( tr( "Freak Out" ) );
cboxColorMap->addItem( tr( "Colormap" ) );
//add items to the color enhanceContrast combo box
cboxContrastEnhancementAlgorithm->addItem( tr( "No Stretch" ) );
cboxContrastEnhancementAlgorithm->addItem( tr( "Stretch To MinMax" ) );
cboxContrastEnhancementAlgorithm->addItem( tr( "Stretch And Clip To MinMax" ) );
cboxContrastEnhancementAlgorithm->addItem( 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( false );
//setup custom colormap tab
cboxColorInterpolation->addItem( tr( "Discrete" ) );
cboxColorInterpolation->addItem( tr( "Linear" ) );
cboxColorInterpolation->addItem( tr( "Exact" ) );
cboxClassificationMode->addItem( tr( "Equal interval" ) );
//cboxClassificationMode->addItem( tr( "Quantiles" ) );
QStringList headerLabels;
headerLabels << "Value";
headerLabels << "Color";
headerLabels << "Label";
mColormapTreeWidget->setHeaderLabels( headerLabels );
//disable colormap tab completely until 'Colormap' is selected (and only for type GrayOrUndefined)
tabBar->setTabEnabled( tabBar->indexOf( tabPageColormap ), FALSE );
//
// Set up the combo boxes that contain band lists using the qstring list generated above
//
QgsDebugMsg( "Populating band combo boxes" );
//
// Get a list of band names
//
QStringList myBandNameList;
int myBandCountInt = mRasterLayer->bandCount();
QgsDebugMsg( QString( "Looping though %1 image layers to get their names " ).arg( myBandCountInt ) );
for ( int myIteratorInt = 1;
myIteratorInt <= myBandCountInt;
++myIteratorInt )
{
//find out the name of this band
QString myRasterBandNameQString = mRasterLayer->bandName( 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->addItem( new QListWidgetItem( 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 )
{
QListWidgetItem *myItem = lstHistogramLabels->item( myIteratorInt - 1 );
myItem->setSelected( true );
}
for ( QStringList::Iterator myIterator = myBandNameList.begin();
myIterator != myBandNameList.end();
++myIterator )
{
QString myQString = *myIterator;
QgsDebugMsg( QString( "Inserting : %1" ).arg( myQString ) );
cboGray->addItem( myQString );
cboRed->addItem( myQString );
cboGreen->addItem( myQString );
cboBlue->addItem( myQString );
cboxColorMapBand->addItem( myQString );
}
cboRed->addItem( TRSTRING_NOT_SET );
cboGreen->addItem( TRSTRING_NOT_SET );
cboBlue->addItem( TRSTRING_NOT_SET );
cboGray->addItem( TRSTRING_NOT_SET );
cboxTransparencyBand->addItem( TRSTRING_NOT_SET );
QIcon myPyramidPixmap( QgisApp::getThemeIcon( "/mIconPyramid.png" ) );
QIcon myNoPyramidPixmap( QgisApp::getThemeIcon( "/mIconNoPyramid.png" ) );
pbnAddValuesManually->setIcon( QgisApp::getThemeIcon( "/mActionNewAttribute.png" ) );
pbnAddValuesFromDisplay->setIcon( QgisApp::getThemeIcon( "/mActionContextHelp.png" ) );
pbnRemoveSelectedRow->setIcon( QgisApp::getThemeIcon( "/mActionDeleteAttribute.png" ) );
pbnDefaultValues->setIcon( QgisApp::getThemeIcon( "/mActionCopySelected.png" ) );
pbnImportTransparentPixelValues->setIcon( QgisApp::getThemeIcon( "/mActionFileOpen.png" ) );
pbnExportTransparentPixelValues->setIcon( QgisApp::getThemeIcon( "/mActionFileSave.png" ) );
pbtnMakeBandCombinationDefault->setIcon( QgisApp::getThemeIcon( "/mActionFileSave.png" ) );
pbtnMakeContrastEnhancementAlgorithmDefault->setIcon( QgisApp::getThemeIcon( "/mActionFileSave.png" ) );
pbtnLoadColorMapFromBand->setIcon( QgisApp::getThemeIcon( "/mActionNewAttribute.png" ) );
pbtnExportColorMapToFile->setIcon( QgisApp::getThemeIcon( "/mActionFileSave.png" ) );
pbtnLoadColorMapFromFile->setIcon( QgisApp::getThemeIcon( "/mActionFileOpen.png" ) );
// Only do pyramids if dealing directly with GDAL.
if ( mRasterLayerIsGdal )
{
QgsRasterLayer::RasterPyramidList myPyramidList = mRasterLayer->buildPyramidList();
QgsRasterLayer::RasterPyramidList::iterator myRasterPyramidIterator;
for ( myRasterPyramidIterator = myPyramidList.begin();
myRasterPyramidIterator != myPyramidList.end();
++myRasterPyramidIterator )
{
if (( *myRasterPyramidIterator ).exists == true )
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myPyramidPixmap,
QString::number(( *myRasterPyramidIterator ).xDim ) + QString( " x " ) +
QString::number(( *myRasterPyramidIterator ).yDim ) ) );
}
else
{
lbxPyramidResolutions->addItem( new QListWidgetItem( 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( mRasterLayer->srs().toProj4() );
// 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 internal pyramids may alter the original data file and once created they cannot be removed!" );
QString pyramidSentence5 = tr( "Please note that building internal 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::populateColorMapTable( const QList<QgsColorRampShader::ColorRampItem>& theColorRampList )
{
if ( theColorRampList.size() > 0 )
{
mColormapTreeWidget->clear();
QList<QgsColorRampShader::ColorRampItem>::const_iterator it;
for ( it = theColorRampList.begin(); it != theColorRampList.end(); ++it )
{
QTreeWidgetItem* newItem = new QTreeWidgetItem( mColormapTreeWidget );
newItem->setText( 0, QString::number( it->value, 'f' ) );
newItem->setBackground( 1, QBrush( it->color ) );
newItem->setText( 2, it->label );
}
}
}
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::PalettedColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedMultiBandColor != mRasterLayer->drawingStyle() )
{
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 = mRasterLayer->rasterTransparency()->transparentThreeValuePixelList();
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::PalettedColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandGray != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandPseudoColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedMultiBandColor != mRasterLayer->drawingStyle() )
{
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 = mRasterLayer->rasterTransparency()->transparentSingleValuePixelList();
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();
}
/** Set the message indicating if any min max values are estimates */
void QgsRasterLayerProperties::setMinimumMaximumEstimateWarning()
{
bool myEstimatedValues = false;
if ( rbtnThreeBand->isChecked() )
{
myEstimatedValues = mRGBMinimumMaximumEstimated;
}
else
{
myEstimatedValues = mGrayMinimumMaximumEstimated;
}
if ( myEstimatedValues )
{
lblMinMaxEstimateWarning->setText( tr( "Note: Minimum Maximum values are estimates or user defined" ) );
}
else
{
lblMinMaxEstimateWarning->setText( tr( "Note: Minimum Maximum values are actual values computed from the band(s)" ) );
}
}
/**
@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()
{
QgsDebugMsg( "called." );
QgsDebugMsg( "sync populate symbology tab" );
/*
* Symbology Tab
*/
//decide whether user can change rgb settings
QgsDebugMsg( "DrawingStyle = " + QString::number( mRasterLayer->drawingStyle() ) );
switch ( mRasterLayer->drawingStyle() )
{
case QgsRasterLayer::SingleBandGray:
rbtnThreeBand->setEnabled( false );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
pbtnLoadMinMax->setEnabled( true );
cboxContrastEnhancementAlgorithm->setEnabled( true );
labelContrastEnhancement->setEnabled( true );
break;
case QgsRasterLayer::SingleBandPseudoColor:
rbtnThreeBand->setEnabled( false );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
pbtnLoadMinMax->setEnabled( false );
cboxContrastEnhancementAlgorithm->setEnabled( false );
labelContrastEnhancement->setEnabled( false );
break;
case QgsRasterLayer::PalettedColor:
rbtnThreeBand->setEnabled( false );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
rbtnThreeBandMinMax->setEnabled( false );
rbtnThreeBandStdDev->setEnabled( false );
pbtnLoadMinMax->setEnabled( false );
cboxContrastEnhancementAlgorithm->setEnabled( false );
labelContrastEnhancement->setEnabled( false );
break;
case QgsRasterLayer::PalettedSingleBandGray:
rbtnThreeBand->setEnabled( true );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
rbtnThreeBandMinMax->setEnabled( false );
rbtnThreeBandStdDev->setEnabled( false );
pbtnLoadMinMax->setEnabled( false );
cboxContrastEnhancementAlgorithm->setEnabled( false );
labelContrastEnhancement->setEnabled( false );
break;
case QgsRasterLayer::PalettedSingleBandPseudoColor:
rbtnThreeBand->setEnabled( false );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
rbtnThreeBandMinMax->setEnabled( false );
rbtnThreeBandStdDev->setEnabled( false );
pbtnLoadMinMax->setEnabled( false );
cboxContrastEnhancementAlgorithm->setEnabled( false );
labelContrastEnhancement->setEnabled( false );
break;
case QgsRasterLayer::PalettedMultiBandColor:
rbtnThreeBand->setEnabled( true );
rbtnSingleBand->setEnabled( true );
rbtnThreeBand->setChecked( true );
rbtnThreeBandMinMax->setEnabled( false );
rbtnThreeBandStdDev->setEnabled( false );
pbtnLoadMinMax->setEnabled( false );
cboxContrastEnhancementAlgorithm->setEnabled( false );
labelContrastEnhancement->setEnabled( false );
break;
case QgsRasterLayer::MultiBandSingleGandGray:
rbtnThreeBand->setEnabled( true );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
pbtnLoadMinMax->setEnabled( true );
cboxContrastEnhancementAlgorithm->setEnabled( true );
labelContrastEnhancement->setEnabled( true );
break;
case QgsRasterLayer::MultiBandSingleBandPseudoColor:
rbtnThreeBand->setEnabled( true );
rbtnSingleBand->setEnabled( true );
rbtnSingleBand->setChecked( true );
pbtnLoadMinMax->setEnabled( false );
cboxContrastEnhancementAlgorithm->setEnabled( false );
labelContrastEnhancement->setEnabled( false );
break;
case QgsRasterLayer::MultiBandColor:
rbtnThreeBand->setEnabled( true );
rbtnSingleBand->setEnabled( true );
rbtnThreeBand->setChecked( true );
pbtnLoadMinMax->setEnabled( true );
cboxContrastEnhancementAlgorithm->setEnabled( true );
labelContrastEnhancement->setEnabled( true );
break;
default:
break;
}
if ( mRasterLayerIsWms )
{
tabBar->setCurrentIndex( tabBar->indexOf( tabPageMetadata ) );
tabBar->removeTab( tabBar->indexOf( tabPageColormap ) );
tabBar->removeTab( tabBar->indexOf( tabPageSymbology ) );
gboxNoDataValue->setEnabled( false );
gboxCustomTransparency->setEnabled( false );
tabBar->removeTab( tabBar->indexOf( tabPageHistogram ) );
tabBar->removeTab( tabBar->indexOf( tabPagePyramids ) );
}
#if 0
if ( mRasterLayer->rasterType() == 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>", "COMMENTED OUT" ) );
}
else if ( mRasterLayer->rasterType() == 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>", "COMMENTED OUT" ) );
}
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>", "COMMENTED OUT" ) );
}
#endif
//
// Populate the various controls on the form
//
QgsDebugMsg( "colorShadingAlgorithm = " + QString::number( mRasterLayer->colorShadingAlgorithm() ) );
if ( mRasterLayer->drawingStyle() == QgsRasterLayer::SingleBandPseudoColor ||
mRasterLayer->drawingStyle() == QgsRasterLayer::PalettedColor ||
mRasterLayer->drawingStyle() == QgsRasterLayer::PalettedSingleBandPseudoColor ||
mRasterLayer->drawingStyle() == QgsRasterLayer::MultiBandSingleBandPseudoColor )
{
if ( mRasterLayer->colorShadingAlgorithm() == QgsRasterLayer::PseudoColorShader )
{
cboxColorMap->setCurrentIndex( cboxColorMap->findText( tr( "Pseudocolor" ) ) );
}
else if ( mRasterLayer->colorShadingAlgorithm() == QgsRasterLayer::FreakOutShader )
{
cboxColorMap->setCurrentIndex( cboxColorMap->findText( tr( "Freak Out" ) ) );
}
else if ( mRasterLayer->colorShadingAlgorithm() == QgsRasterLayer::ColorRampShader )
{
cboxColorMap->setCurrentIndex( cboxColorMap->findText( tr( "Colormap" ) ) );
}
else if ( mRasterLayer->colorShadingAlgorithm() == QgsRasterLayer::UserDefinedShader )
{
cboxColorMap->setCurrentIndex( cboxColorMap->findText( tr( "User Defined" ) ) );
}
}
else
{
cboxColorMap->setCurrentIndex( cboxColorMap->findText( tr( "Grayscale" ) ) );
}
//set whether the layer histogram should be inverted
if ( mRasterLayer->invertHistogram() )
{
cboxInvertColorMap->setChecked( true );
}
else
{
cboxInvertColorMap->setChecked( false );
}
//set the combos to the correct values
cboRed->setCurrentIndex( cboRed->findText( mRasterLayer->redBandName() ) );
cboGreen->setCurrentIndex( cboGreen->findText( mRasterLayer->greenBandName() ) );
cboBlue->setCurrentIndex( cboBlue->findText( mRasterLayer->blueBandName() ) );
cboGray->setCurrentIndex( cboGray->findText( mRasterLayer->grayBandName() ) );
//set the stdDevs and min max values
if ( mRasterLayerIsGdal && rbtnThreeBand->isChecked() )
{
mRGBMinimumMaximumEstimated = mRasterLayer->isRGBMinimumMaximumEstimated();
if ( mRasterLayer->hasUserDefinedRGBMinimumMaximum() )
{
sboxThreeBandStdDev->setValue( 0.0 );
rbtnThreeBandStdDev->setChecked( false );
rbtnThreeBandMinMax->setChecked( true );
}
else
{
sboxThreeBandStdDev->setValue( mRasterLayer->standardDeviations() );
rbtnThreeBandStdDev->setChecked( true );
rbtnThreeBandMinMax->setChecked( false );
}
if ( QgsRasterLayer::PalettedColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandGray != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandPseudoColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedMultiBandColor != mRasterLayer->drawingStyle() )
{
if ( mRasterLayer->redBandName() != TRSTRING_NOT_SET )
{
leRedMin->setText( QString::number( mRasterLayer->minimumValue( mRasterLayer->redBandName() ) ) );
leRedMax->setText( QString::number( mRasterLayer->maximumValue( mRasterLayer->redBandName() ) ) );
}
if ( mRasterLayer->greenBandName() != TRSTRING_NOT_SET )
{
leGreenMin->setText( QString::number( mRasterLayer->minimumValue( mRasterLayer->greenBandName() ) ) );
leGreenMax->setText( QString::number( mRasterLayer->maximumValue( mRasterLayer->greenBandName() ) ) );
}
if ( mRasterLayer->blueBandName() != TRSTRING_NOT_SET )
{
leBlueMin->setText( QString::number( mRasterLayer->minimumValue( mRasterLayer->blueBandName() ) ) );
leBlueMax->setText( QString::number( mRasterLayer->maximumValue( mRasterLayer->blueBandName() ) ) );
}
setMinimumMaximumEstimateWarning();
}
}
else if ( mRasterLayerIsGdal )
{
mGrayMinimumMaximumEstimated = mRasterLayer->isGrayMinimumMaximumEstimated();
if ( mRasterLayer->hasUserDefinedGrayMinimumMaximum() )
{
sboxSingleBandStdDev->setValue( 0.0 );
rbtnSingleBandStdDev->setChecked( false );
rbtnSingleBandMinMax->setChecked( true );
}
else
{
sboxSingleBandStdDev->setValue( mRasterLayer->standardDeviations() );
rbtnSingleBandStdDev->setChecked( true );
rbtnSingleBandMinMax->setChecked( false );
}
if ( QgsRasterLayer::PalettedColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandGray != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandPseudoColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedMultiBandColor != mRasterLayer->drawingStyle() )
{
if ( mRasterLayer->grayBandName() != TRSTRING_NOT_SET )
{
leGrayMin->setText( QString::number( mRasterLayer->minimumValue( mRasterLayer->grayBandName() ) ) );
leGrayMax->setText( QString::number( mRasterLayer->maximumValue( mRasterLayer->grayBandName() ) ) );
}
}
setMinimumMaximumEstimateWarning();
}
//set color scaling algorithm
if ( QgsContrastEnhancement::StretchToMinimumMaximum == mRasterLayer->contrastEnhancementAlgorithm() )
{
cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "Stretch To MinMax" ) ) );
}
else if ( QgsContrastEnhancement::StretchAndClipToMinimumMaximum == mRasterLayer->contrastEnhancementAlgorithm() )
{
cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "Stretch And Clip To MinMax" ) ) );
}
else if ( QgsContrastEnhancement::ClipToMinimumMaximum == mRasterLayer->contrastEnhancementAlgorithm() )
{
cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "Clip To MinMax" ) ) );
}
else if ( QgsContrastEnhancement::UserDefinedEnhancement == mRasterLayer->contrastEnhancementAlgorithm() )
{
cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "User Defined" ) ) );
}
else
{
cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "No Stretch" ) ) );
}
//Display the current default contrast enhancement algorithm
QSettings myQSettings;
mDefaultRedBand = myQSettings.value( "/Raster/defaultRedBand", 1 ).toInt();
mDefaultGreenBand = myQSettings.value( "/Raster/defaultGreenBand", 2 ).toInt();
mDefaultBlueBand = myQSettings.value( "/Raster/defaultBlueBand", 3 ).toInt();
labelDefaultBandCombination->setText( tr( "Default R:%1 G:%2 B:%3" ).arg( mDefaultRedBand ) .arg( mDefaultGreenBand ) .arg( mDefaultBlueBand ) );
mDefaultContrastEnhancementAlgorithm = myQSettings.value( "/Raster/defaultContrastEnhancementAlgorithm", "NoEnhancement" ).toString();
if ( mDefaultContrastEnhancementAlgorithm == "NoEnhancement" )
{
labelDefaultContrastEnhancementAlgorithm->setText( tr( "No Stretch" ) );
}
if ( mDefaultContrastEnhancementAlgorithm == "StretchToMinimumMaximum" )
{
labelDefaultContrastEnhancementAlgorithm->setText( tr( "Stretch To MinMax" ) );
}
else if ( mDefaultContrastEnhancementAlgorithm == "StretchAndClipToMinimumMaximum" )
{
labelDefaultContrastEnhancementAlgorithm->setText( tr( "Stretch And Clip To MinMax" ) );
}
else if ( mDefaultContrastEnhancementAlgorithm == "ClipToMinimumMaximum" )
{
labelDefaultContrastEnhancementAlgorithm->setText( tr( "Clip To MinMax" ) );
}
else
{
labelDefaultContrastEnhancementAlgorithm->setText( tr( "No Stretch" ) );
}
QgsDebugMsg( "populate transparency tab" );
/*
* Transparent Pixel Tab
*/
//set the transparency slider
sliderTransparency->setValue( 255 - mRasterLayer->getTransparency() );
//update the transparency percentage label
sliderTransparency_valueChanged( 255 - mRasterLayer->getTransparency() );
int myIndex = cboxTransparencyBand->findText( mRasterLayer->transparentBandName() );
if ( -1 != myIndex )
{
cboxTransparencyBand->setCurrentIndex( myIndex );
}
else
{
cboxTransparencyBand->setCurrentIndex( cboxTransparencyBand->findText( TRSTRING_NOT_SET ) );
}
//add current NoDataValue to NoDataValue line edit
if ( mRasterLayer->isNoDataValueValid() )
{
leNoDataValue->setText( QString::number( mRasterLayer->noDataValue(), 'f' ) );
}
else
{
leNoDataValue->setText( "" );
}
//restore colormap tab if the layer has custom classification
syncColormapTab();
QgsDebugMsg( "populate general tab" );
/*
* General Tab
*/
//these properties (layer name and label) are provided by the qgsmaplayer superclass
leLayerSource->setText( mRasterLayer->source() );
leDisplayName->setText( mRasterLayer->name() );
//display the raster dimensions and no data value
if ( mRasterLayerIsGdal )
{
lblColumns->setText( tr( "Columns: %1" ).arg( mRasterLayer->width() ) );
lblRows->setText( tr( "Rows: %1" ).arg( mRasterLayer->height() ) );
if ( mRasterLayer->isNoDataValueValid() )
{
lblNoData->setText( tr( "No-Data Value: %1" ).arg( mRasterLayer->noDataValue() ) );
}
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() );
mRasterLayer->thumbnailAsPixmap( &myQPixmap );
pixmapThumbnail->setPixmap( myQPixmap );
//update the legend pixmap on this dialog
pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
pixmapLegend->setScaledContents( true );
pixmapLegend->repaint();
//set the palette pixmap
pixmapPalette->setPixmap( mRasterLayer->paletteAsPixmap( mRasterLayer->bandNumber( mRasterLayer->grayBandName() ) ) );
pixmapPalette->setScaledContents( true );
pixmapPalette->repaint();
QgsDebugMsg( "populate metadata tab" );
/*
* Metadata Tab
*/
//populate the metadata tab's text browser widget with gdal metadata info
QString myStyle = QgsApplication::reportStyleSheet();
txtbMetadata->document()->setDefaultStyleSheet( myStyle );
txtbMetadata->setHtml( mRasterLayer->metadata() );
} // QgsRasterLayerProperties::sync()
void QgsRasterLayerProperties::syncColormapTab()
{
QgsDebugMsg( "populate color ramp tab" );
if ( !mRasterLayerIsGdal )
{
return;
}
if ( !mRasterLayer )
{
return;
}
if ( QgsRasterLayer::ColorRampShader != mRasterLayer->colorShadingAlgorithm() )
{
return;
}
QgsColorRampShader* myRasterShaderFunction = ( QgsColorRampShader* )mRasterLayer->rasterShader()->rasterShaderFunction();
if ( !myRasterShaderFunction )
{
return;
}
//restore the colormap tab if layer has custom symbology
populateColorMapTable( myRasterShaderFunction->colorRampItemList() );
sboxNumberOfEntries->setValue( mColormapTreeWidget->topLevelItemCount() );
//restor state of 'color interpolation' combo box
if ( QgsColorRampShader::INTERPOLATED == myRasterShaderFunction->colorRampType() )
{
cboxColorInterpolation->setCurrentIndex( cboxColorInterpolation->findText( tr( "Linear" ) ) );
}
else if ( QgsColorRampShader::DISCRETE == myRasterShaderFunction->colorRampType() )
{
cboxColorInterpolation->setCurrentIndex( cboxColorInterpolation->findText( tr( "Discrete" ) ) );
}
else
{
cboxColorInterpolation->setCurrentIndex( cboxColorInterpolation->findText( tr( "Exact" ) ) );
}
}
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()
{
QgsDebugMsg( "apply processing symbology tab" );
/*
* Symbology Tab
*/
//set the appropriate render style
if ( rbtnSingleBand->isChecked() )
{
//
// Grayscale
//
if ( mRasterLayer->rasterType() == QgsRasterLayer::GrayOrUndefined )
{
if ( cboxColorMap->currentText() != tr( "Grayscale" ) )
{
QgsDebugMsg( "Raster Drawing Style to :: SingleBandPseudoColor" );
mRasterLayer->setDrawingStyle( QgsRasterLayer::SingleBandPseudoColor );
}
else
{
QgsDebugMsg( "Setting Raster Drawing Style to :: SingleBandGray" );
mRasterLayer->setDrawingStyle( QgsRasterLayer::SingleBandGray );
}
}
//
// Paletted Image
//
else if ( mRasterLayer->rasterType() == QgsRasterLayer::Palette )
{
if ( cboxColorMap->currentText() == tr( "Grayscale" ) )
{
QgsDebugMsg( "Setting Raster Drawing Style to :: PalettedSingleBandGray" );
QgsDebugMsg( QString( "Combo value : %1 GrayBand Mapping : %2" )
.arg( cboGray->currentText() ).arg( mRasterLayer->grayBandName() ) );
mRasterLayer->setDrawingStyle( QgsRasterLayer::PalettedSingleBandGray );
}
else if ( cboxColorMap->currentText() == tr( "Colormap" ) )
{
QgsDebugMsg( "Setting Raster Drawing Style to :: PalettedColor" );
QgsDebugMsg( QString( "Combo value : %1 GrayBand Mapping : %2" ).arg( cboGray->currentText() ).arg( mRasterLayer->
grayBandName() ) );
mRasterLayer->setDrawingStyle( QgsRasterLayer::PalettedColor );
}
else
{
QgsDebugMsg( "Setting Raster Drawing Style to :: PalettedSingleBandPseudoColor" );
mRasterLayer->setDrawingStyle( QgsRasterLayer::PalettedSingleBandPseudoColor );
}
}
//
// Mutltiband
//
else if ( mRasterLayer->rasterType() == QgsRasterLayer::Multiband )