void QgsInterpolationDialog::on_mRemovePushButton_clicked()
{
QTreeWidgetItem* currentItem = mLayersTreeWidget->currentItem();
if ( !currentItem )
{
return;
}
delete currentItem;
enableOrDisableOkButton();
}
void QgsInterpolationDialog::on_mOutputFileButton_clicked()
{
//get last output file dir
QSettings s;
QString lastOutputDir = s.value( "/Interpolation/lastOutputDir", QDir::homePath() ).toString();
QString rasterFileName = QFileDialog::getSaveFileName( nullptr, tr( "Save interpolated raster as..." ), lastOutputDir );
if ( !rasterFileName.isEmpty() )
{
mOutputFileLineEdit->setText( rasterFileName );
QFileInfo rasterFileInfo( rasterFileName );
QDir fileDir = rasterFileInfo.absoluteDir();
if ( fileDir.exists() )
{
s.setValue( "/Interpolation/lastOutputDir", rasterFileInfo.absolutePath() );
}
}
enableOrDisableOkButton();
}
void HeatmapGui::on_mBrowseButton_clicked()
{
QSettings s;
QString lastDir = s.value( "/Heatmap/lastOutputDir", QDir::homePath() ).toString();
QString outputFilename = QFileDialog::getSaveFileName( nullptr, tr( "Save Heatmap as:" ), lastDir );
if ( !outputFilename.isEmpty() )
{
mOutputRasterLineEdit->setText( outputFilename );
QFileInfo outputFileInfo( outputFilename );
QDir outputDir = outputFileInfo.absoluteDir();
if ( outputDir.exists() )
{
s.setValue( "/Heatmap/lastOutputDir", outputFileInfo.absolutePath() );
}
}
enableOrDisableOkButton();
}
HeatmapGui::HeatmapGui( QWidget* parent, Qt::WindowFlags fl, QMap<QString, QVariant>* temporarySettings )
: QDialog( parent, fl )
, mRows( 500 )
{
setupUi( this );
QgsDebugMsg( QString( "Creating Heatmap Dialog" ) );
blockAllSignals( true );
mKernelShapeCombo->addItem( tr( "Quartic (biweight)" ), Heatmap::Quartic );
mKernelShapeCombo->addItem( tr( "Triangular" ), Heatmap::Triangular );
mKernelShapeCombo->addItem( tr( "Uniform" ), Heatmap::Uniform );
mKernelShapeCombo->addItem( tr( "Triweight" ), Heatmap::Triweight );
mKernelShapeCombo->addItem( tr( "Epanechnikov" ), Heatmap::Epanechnikov );
mOutputValuesComboBox->addItem( tr( "Raw values" ), Heatmap::Raw );
mOutputValuesComboBox->addItem( tr( "Scaled by kernel size" ), Heatmap::Scaled );
mHeatmapSessionSettings = temporarySettings;
// Adding point layers to the inputLayerCombo
QString lastUsedLayer = mHeatmapSessionSettings->value( QString( "lastInputLayer" ) ).toString();
bool usingLastInputLayer = false;
mInputLayerCombo->setFilters( QgsMapLayerProxyModel::PointLayer );
QgsMapLayer* defaultLayer = QgsMapLayerRegistry::instance()->mapLayer( lastUsedLayer );
if ( defaultLayer )
{
mInputLayerCombo->setLayer( defaultLayer );
usingLastInputLayer = true;
}
mRadiusFieldCombo->setFilters( QgsFieldProxyModel::Numeric );
mWeightFieldCombo->setFilters( QgsFieldProxyModel::Numeric );
connect( mInputLayerCombo, SIGNAL( layerChanged( QgsMapLayer* ) ), mRadiusFieldCombo, SLOT( setLayer( QgsMapLayer* ) ) );
connect( mInputLayerCombo, SIGNAL( layerChanged( QgsMapLayer* ) ), mWeightFieldCombo, SLOT( setLayer( QgsMapLayer* ) ) );
mRadiusFieldCombo->setLayer( mInputLayerCombo->currentLayer() );
mWeightFieldCombo->setLayer( mInputLayerCombo->currentLayer() );
// Adding GDAL drivers with CREATE to mFormatCombo
int myTiffIndex = -1;
int myIndex = -1;
GDALAllRegister();
int nDrivers = GDALGetDriverCount();
for ( int i = 0; i < nDrivers; i += 1 )
{
GDALDriverH nthDriver = GDALGetDriver( i );
char **driverMetadata = GDALGetMetadata( nthDriver, nullptr );
// Only formats which allow creation of Float32 data types are valid
if ( CSLFetchBoolean( driverMetadata, GDAL_DCAP_CREATE, false ) &&
QString( GDALGetMetadataItem( nthDriver, GDAL_DMD_CREATIONDATATYPES, nullptr ) ).contains( "Float32" ) )
{
++myIndex;
QString myLongName = GDALGetMetadataItem( nthDriver, GDAL_DMD_LONGNAME, nullptr );
// Add LongName text, shortname variant; GetDescription actually gets the shortname
mFormatCombo->addItem( myLongName, QVariant( GDALGetDescription( nthDriver ) ) );
// Add the drivers and their extensions to a map for filename correction
mExtensionMap.insert( GDALGetDescription( nthDriver ), GDALGetMetadataItem( nthDriver, GDAL_DMD_EXTENSION, nullptr ) );
if ( myLongName == "GeoTIFF" )
{
myTiffIndex = myIndex;
}
}
}
//Restore choice of output format from last run
QSettings s;
int defaultFormatIndex = s.value( "/Heatmap/lastFormat", myTiffIndex ).toInt();
mFormatCombo->setCurrentIndex( defaultFormatIndex );
restoreSettings( usingLastInputLayer );
updateBBox();
updateSize();
mAddToCanvas->setChecked( s.value( "/Heatmap/addToCanvas", true ).toBool() );
blockAllSignals( false );
//finally set right the ok button
enableOrDisableOkButton();
}
void HeatmapGui::on_mOutputRasterLineEdit_editingFinished()
{
enableOrDisableOkButton();
}
