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doBuildVRT.py
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doBuildVRT.py
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# -*- coding: utf-8 -*-
"""
***************************************************************************
doBuildVRT.py
---------------------
Date : June 2010
Copyright : (C) 2010 by Giuseppe Sucameli
Email : brush dot tyler at gmail dot 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. *
* *
***************************************************************************
"""
__author__ = 'Giuseppe Sucameli'
__date__ = 'June 2010'
__copyright__ = '(C) 2010, Giuseppe Sucameli'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from ui_widgetBuildVRT import Ui_GdalToolsWidget as Ui_Widget
from widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.resolutions = ("highest", "average", "lowest")
self.setupUi(self)
BasePluginWidget.__init__(self, self.iface, "gdalbuildvrt")
self.inSelector.setType( self.inSelector.FILE )
self.outSelector.setType( self.outSelector.FILE )
self.recurseCheck.hide()
self.visibleRasterLayers = []
self.setParamsStatus(
[
(self.inSelector, SIGNAL("filenameChanged()")),
(self.outSelector, SIGNAL("filenameChanged()")),
(self.resolutionComboBox, SIGNAL("currentIndexChanged(int)"), self.resolutionCheck),
(self.srcNoDataSpin, SIGNAL("valueChanged(int)"), self.srcNoDataCheck, "1.7.0"),
(self.inputDirCheck, SIGNAL("stateChanged(int)")),
(self.separateCheck, SIGNAL("stateChanged(int)"), None, "1.7.0"),
(self.allowProjDiffCheck, SIGNAL("stateChanged(int)"), None, "1.7.0"),
(self.recurseCheck, SIGNAL("stateChanged(int)"), self.inputDirCheck),
(self.inputSelLayersCheck, SIGNAL("stateChanged(int)"))
]
)
self.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFilesEdit)
self.connect(self.outSelector, SIGNAL("selectClicked()"), self.fillOutputFileEdit)
self.connect( self.inputDirCheck, SIGNAL( "stateChanged( int )" ), self.switchToolMode )
self.connect( self.inputSelLayersCheck, SIGNAL( "stateChanged( int )" ), self.switchLayerMode )
self.connect( self.iface.mapCanvas(), SIGNAL( "stateChanged( int )" ), self.switchLayerMode )
def initialize(self):
# connect to mapCanvas.layerChanged() signal
self.connect(self.iface.mapCanvas(), SIGNAL("layersChanged()"), self.onVisibleLayersChanged)
self.onVisibleLayersChanged()
BasePluginWidget.initialize(self)
def onClosing(self):
# disconnect from mapCanvas.layerChanged() signal
self.disconnect(self.iface.mapCanvas(), SIGNAL("layersChanged()"), self.onVisibleLayersChanged)
BasePluginWidget.onClosing(self)
def onVisibleLayersChanged(self):
# refresh list of visible raster layers
self.visibleRasterLayers = []
for layer in self.iface.mapCanvas().layers():
if Utils.LayerRegistry.isRaster( layer ):
self.visibleRasterLayers.append( layer.source() )
# refresh the text in the command viewer
self.someValueChanged()
def switchToolMode(self):
self.recurseCheck.setVisible( self.inputDirCheck.isChecked() )
self.inSelector.clear()
if self.inputDirCheck.isChecked():
self.inFileLabel = self.label.text()
self.label.setText( QCoreApplication.translate( "GdalTools", "&Input directory" ) )
QObject.disconnect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFilesEdit)
QObject.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputDir)
else:
self.label.setText( self.inFileLabel )
QObject.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFilesEdit)
QObject.disconnect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputDir)
def switchLayerMode(self):
enableInputFiles = not self.inputSelLayersCheck.isChecked()
self.inputDirCheck.setEnabled( enableInputFiles )
self.inSelector.setEnabled( enableInputFiles )
self.recurseCheck.setEnabled( enableInputFiles )
def fillInputFilesEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
files = Utils.FileDialog.getOpenFileNames(self, self.tr( "Select the files for VRT" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
if files == '':
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(",".join(files))
def fillOutputFileEdit(self):
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr( "Select where to save the VRT" ), self.tr( "VRT (*.vrt)" ))
if outputFile == '':
return
self.outSelector.setFilename(outputFile)
def fillInputDir( self ):
inputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the input directory with files for VRT" ))
if inputDir == '':
return
self.inSelector.setFilename( inputDir )
def getArguments(self):
arguments = []
if self.resolutionCheck.isChecked() and self.resolutionComboBox.currentIndex() >= 0:
arguments.append("-resolution")
arguments.append(self.resolutions[self.resolutionComboBox.currentIndex()])
if self.separateCheck.isChecked():
arguments.append("-separate")
if self.srcNoDataCheck.isChecked():
arguments.append("-srcnodata")
arguments.append(str(self.srcNoDataSpin.value()))
if self.allowProjDiffCheck.isChecked():
arguments.append("-allow_projection_difference")
arguments.append(self.getOutputFileName())
if self.inputSelLayersCheck.isChecked():
arguments.extend(self.visibleRasterLayers)
elif self.inputDirCheck.isChecked():
arguments.extend(Utils.getRasterFiles( self.getInputFileName(), self.recurseCheck.isChecked() ))
else:
arguments.extend(self.getInputFileName())
return arguments
def getOutputFileName(self):
return self.outSelector.filename()
def getInputFileName(self):
if self.inputDirCheck.isChecked():
return self.inSelector.filename()
return self.inSelector.filename().split(",")
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())