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# -*- coding: utf-8 -*-
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from ui_widgetTranslate import Ui_GdalToolsWidget as Ui_Widget
from widgetBatchBase import GdalToolsBaseBatchWidget as BaseBatchWidget
from dialogSRS import GdalToolsSRSDialog as SRSDialog
import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BaseBatchWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.canvas = self.iface.mapCanvas()
self.expand_method = ( 'gray', 'rgb', 'rgba' )
self.setupUi(self)
BaseBatchWidget.__init__(self, self.iface, "gdal_translate")
self.outSelector.setType( self.outSelector.FILE )
# set the default QSpinBoxes and QProgressBar value
self.outsizeSpin.setValue(25)
self.progressBar.setValue(0)
self.progressBar.hide()
self.formatLabel.hide()
self.formatCombo.hide()
if Utils.Version( Utils.GdalConfig.version() ) < "1.7":
index = self.expandCombo.findText('gray', Qt.MatchFixedString)
if index >= 0:
self.expandCombo.removeItem(index)
self.outputFormat = Utils.fillRasterOutputFormat()
self.setParamsStatus(
[
(self.inSelector, SIGNAL("filenameChanged()")),
(self.outSelector, SIGNAL("filenameChanged()")),
(self.targetSRSEdit, SIGNAL("textChanged(const QString &)"), self.targetSRSCheck),
(self.selectTargetSRSButton, None, self.targetSRSCheck),
(self.creationOptionsTable, [SIGNAL("cellValueChanged(int, int)"), SIGNAL("rowRemoved()")], self.creationGroupBox),
(self.outsizeSpin, SIGNAL("valueChanged(const QString &)"), self.outsizeCheck),
(self.nodataSpin, SIGNAL("valueChanged(int)"), self.nodataCheck),
(self.expandCombo, SIGNAL("currentIndexChanged(int)"), self.expandCheck, "1.6.0"),
(self.sdsCheck, SIGNAL("stateChanged(int)")),
(self.srcwinEdit, SIGNAL("textChanged(const QString &)"), self.srcwinCheck),
(self.prjwinEdit, SIGNAL("textChanged(const QString &)"), self.prjwinCheck)
]
)
#self.connect(self.canvas, SIGNAL("layersChanged()"), self.fillInputLayerCombo)
self.connect(self.inSelector, SIGNAL("layerChanged()"), self.fillTargetSRSEditDefault)
self.connect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputFile )
self.connect(self.outSelector, SIGNAL("selectClicked()"), self.fillOutputFileEdit)
self.connect(self.selectTargetSRSButton, SIGNAL("clicked()"), self.fillTargetSRSEdit)
self.connect( self.batchCheck, SIGNAL( "stateChanged( int )" ), self.switchToolMode )
# add raster filters to combo
self.formatCombo.addItems( Utils.FileFilter.allRastersFilter().split( ";;" ) )
def switchToolMode( self ):
self.setCommandViewerEnabled( not self.batchCheck.isChecked() )
self.progressBar.setVisible( self.batchCheck.isChecked() )
self.formatLabel.setVisible( self.batchCheck.isChecked() )
self.formatCombo.setVisible( self.batchCheck.isChecked() )
self.inSelector.setType( self.inSelector.FILE if self.batchCheck.isChecked() else self.inSelector.FILE_LAYER )
self.outSelector.clear()
if self.batchCheck.isChecked():
self.inFileLabel = self.label_3.text()
self.outFileLabel = self.label_2.text()
self.label_3.setText( QCoreApplication.translate( "GdalTools", "&Input directory" ) )
self.label_2.setText( QCoreApplication.translate( "GdalTools", "&Output directory" ) )
QObject.disconnect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputFile )
QObject.disconnect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputFileEdit )
QObject.connect( self.inSelector, SIGNAL( "selectClicked()" ), self. fillInputDir )
QObject.connect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputDir )
else:
self.label_3.setText( self.inFileLabel )
self.label_2.setText( self.outFileLabel )
QObject.disconnect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputDir )
QObject.disconnect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputDir )
QObject.connect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputFile )
QObject.connect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputFileEdit )
def onLayersChanged(self):
self.inSelector.setLayers( Utils.LayerRegistry.instance().getRasterLayers() )
def fillInputFile( self ):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
inputFile = Utils.FileDialog.getOpenFileName( self, self.tr( "Select the input file for Translate" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if inputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter( lastUsedFilter )
self.inSelector.setFilename( inputFile )
# get SRS for target file if necessary and possible
self.refreshTargetSRS()
def fillInputDir( self ):
inputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the input directory with files to Translate" ))
if inputDir.isEmpty():
return
self.inSelector.setFilename( inputDir )
filter = Utils.getRasterExtensions()
workDir = QDir( inputDir )
workDir.setFilter( QDir.Files | QDir.NoSymLinks | QDir.NoDotAndDotDot )
workDir.setNameFilters( filter )
# search for a valid SRS, then use it as default target SRS
srs = QString()
for fname in workDir.entryList():
fl = inputDir + "/" + fname
srs = Utils.getRasterSRS( self, fl )
if not srs.isEmpty():
break
self.targetSRSEdit.setText( srs )
def fillOutputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr( "Select the raster file to save the results to" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if outputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat(lastUsedFilter, outputFile)
self.outSelector.setFilename(outputFile)
def fillOutputDir( self ):
outputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the output directory to save the results to" ) )
if outputDir.isEmpty():
return
self.outSelector.setFilename( outputDir )
def fillTargetSRSEditDefault(self):
if self.inSelector.layer() == None:
return
self.refreshTargetSRS()
def refreshTargetSRS(self):
self.targetSRSEdit.setText( Utils.getRasterSRS( self, self.getInputFileName() ) )
def fillTargetSRSEdit(self):
dialog = SRSDialog( "Select the target SRS" )
if dialog.exec_():
self.targetSRSEdit.setText(dialog.getProjection())
def getArguments(self):
arguments = QStringList()
if self.targetSRSCheck.isChecked() and not self.targetSRSEdit.text().isEmpty():
arguments << "-a_srs"
arguments << self.targetSRSEdit.text()
if self.creationGroupBox.isChecked():
for opt in self.creationOptionsTable.options():
arguments << "-co"
arguments << opt
if self.outsizeCheck.isChecked() and self.outsizeSpin.value() != 100:
arguments << "-outsize"
arguments << self.outsizeSpin.text()
arguments << self.outsizeSpin.text()
if self.expandCheck.isChecked():
arguments << "-expand"
arguments << self.expand_method[self.expandCombo.currentIndex()]
if self.nodataCheck.isChecked():
arguments << "-a_nodata"
arguments << str(self.nodataSpin.value())
if self.sdsCheck.isChecked():
arguments << "-sds"
if self.srcwinCheck.isChecked() and not self.srcwinEdit.text().isEmpty():
coordList = self.srcwinEdit.text().split( ' ', QString.SkipEmptyParts )
if len(coordList) == 4 and not coordList[3].isEmpty():
try:
for x in coordList:
test = int(x)
except ValueError:
#print "Coordinates must be integer numbers."
QMessageBox.critical(self, self.tr("Translate - srcwin"), self.tr("Image coordinates (pixels) must be integer numbers."))
else:
arguments << "-srcwin"
for x in coordList:
arguments << x
if self.prjwinCheck.isChecked() and not self.prjwinEdit.text().isEmpty():
coordList = self.prjwinEdit.text().split( ' ', QString.SkipEmptyParts )
if len(coordList) == 4 and not coordList[3].isEmpty():
try:
for x in coordList:
test = float(x)
except ValueError:
#print "Coordinates must be integer numbers."
QMessageBox.critical(self, self.tr("Translate - prjwin"), self.tr("Image coordinates (geographic) must be numbers."))
else:
arguments << "-projwin"
for x in coordList:
arguments << x
if self.isBatchEnabled():
if self.formatCombo.currentIndex() != 0:
arguments << "-of"
arguments << Utils.fillRasterOutputFormat( self.formatCombo.currentText() )
return arguments
else:
return arguments
outputFn = self.getOutputFileName()
if not outputFn.isEmpty():
arguments << "-of"
arguments << self.outputFormat
arguments << self.getInputFileName()
arguments << outputFn
return arguments
def getInputFileName(self):
return self.inSelector.filename()
def getOutputFileName(self):
return self.outSelector.filename()
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
def isBatchEnabled(self):
return self.batchCheck.isChecked()
def setProgressRange(self, maximum):
self.progressBar.setRange(0, maximum)
def updateProgress(self, index, total):
if index < total:
self.progressBar.setValue( index + 1 )
else:
self.progressBar.setValue( 0 )
def batchRun(self):
exts = self.formatCombo.currentText().remove( QRegExp('^.*\(') ).remove( QRegExp('\).*$') ).split( " " )
if not exts.isEmpty() and exts != "*" and exts != "*.*":
outExt = exts[ 0 ].remove( "*" )
else:
outExt = ".tif"
self.base.enableRun( False )
self.base.setCursor( Qt.WaitCursor )
inDir = self.getInputFileName()
outDir = self.getOutputFileName()
filter = Utils.getRasterExtensions()
workDir = QDir( inDir )
workDir.setFilter( QDir.Files | QDir.NoSymLinks | QDir.NoDotAndDotDot )
workDir.setNameFilters( filter )
files = workDir.entryList()
self.inFiles = []
self.outFiles = []
for f in files:
self.inFiles.append( inDir + "/" + f )
if outDir != None:
outFile = f.replace( QRegExp( "\.[a-zA-Z0-9]{2,4}" ), outExt )
self.outFiles.append( outDir + "/" + outFile )
self.errors = QStringList()
self.batchIndex = 0
self.batchTotal = len( self.inFiles )
self.setProgressRange( self.batchTotal )
self.runItem( self.batchIndex, self.batchTotal )
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