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# -*- coding: utf-8 -*-
"""
***************************************************************************
doMerge.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 qgis.PyQt.QtCore import QCoreApplication
from qgis.PyQt.QtWidgets import QWidget, QMessageBox
from .ui_widgetMerge import Ui_GdalToolsWidget as Ui_Widget
from .widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
from . import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.setupUi(self)
BasePluginWidget.__init__(self, self.iface, "gdal_merge.py")
self.inSelector.setType(self.inSelector.FILE)
self.outSelector.setType(self.outSelector.FILE)
self.recurseCheck.hide()
# use this for approx. previous UI
#self.creationOptionsWidget.setType(QgsRasterFormatSaveOptionsWidget.Table)
self.outputFormat = Utils.fillRasterOutputFormat()
self.extent = None
self.setParamsStatus([
(self.inSelector, "filenameChanged"),
(self.outSelector, "filenameChanged"),
(self.noDataSpin, "valueChanged", self.noDataCheck),
(self.inputDirCheck, "stateChanged"),
(self.recurseCheck, "stateChanged", self.inputDirCheck),
(self.separateCheck, "stateChanged"),
(self.pctCheck, "stateChanged"),
(self.intersectCheck, "stateChanged"),
(self.creationOptionsWidget, "optionsChanged"),
(self.creationOptionsGroupBox, "toggled")
])
self.inSelector.selectClicked.connect(self.fillInputFilesEdit)
self.outSelector.selectClicked.connect(self.fillOutputFileEdit)
self.intersectCheck.toggled.connect(self.refreshExtent)
self.inputDirCheck.stateChanged.connect(self.switchToolMode)
self.inSelector.filenameChanged.connect(self.refreshExtent)
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"))
self.inSelector.selectClicked.disconnect(self.fillInputFilesEdit)
self.inSelector.selectClicked.connect(self.fillInputDir)
else:
self.label.setText(self.inFileLabel)
self.inSelector.selectClicked.connect(self.fillInputFilesEdit)
self.inSelector.selectClicked.disconnect(self.fillInputDir)
def fillInputFilesEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
files = Utils.FileDialog.getOpenFileNames(self, self.tr("Select the files to Merge"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
if not files:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(files)
def refreshExtent(self):
files = self.getInputFileNames()
self.intersectCheck.setEnabled(len(files) > 1)
if not self.intersectCheck.isChecked():
self.someValueChanged()
return
if len(files) < 2:
self.intersectCheck.setChecked(False)
return
self.extent = self.getIntersectedExtent(files)
if self.extent is None:
QMessageBox.warning(self, self.tr("Error retrieving the extent"), self.tr('GDAL was unable to retrieve the extent from any file. \nThe "Use intersected extent" option will be unchecked.'))
self.intersectCheck.setChecked(False)
return
elif self.extent.isEmpty():
QMessageBox.warning(self, self.tr("Empty extent"), self.tr('The computed extent is empty. \nDisable the "Use intersected extent" option to have a nonempty output.'))
self.someValueChanged()
def fillOutputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr("Select where to save the Merge output"), Utils.FileFilter.saveRastersFilter(), lastUsedFilter)
if not outputFile:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat(lastUsedFilter, outputFile)
self.outSelector.setFilename(outputFile)
def fillInputDir(self):
inputDir = Utils.FileDialog.getExistingDirectory(self, self.tr("Select the input directory with files to Merge"))
if not inputDir:
return
self.inSelector.setFilename(inputDir)
def getArguments(self):
arguments = []
if self.intersectCheck.isChecked():
if self.extent is not None:
arguments.append("-ul_lr")
arguments.append(unicode(self.extent.xMinimum()))
arguments.append(unicode(self.extent.yMaximum()))
arguments.append(unicode(self.extent.xMaximum()))
arguments.append(unicode(self.extent.yMinimum()))
if self.noDataCheck.isChecked():
arguments.append("-n")
arguments.append(unicode(self.noDataSpin.value()))
if Utils.GdalConfig.versionNum() >= 1900:
arguments.append("-a_nodata")
arguments.append(unicode(self.noDataSpin.value()))
if self.separateCheck.isChecked():
arguments.append("-separate")
if self.pctCheck.isChecked():
arguments.append("-pct")
if self.creationOptionsGroupBox.isChecked():
for opt in self.creationOptionsWidget.options():
arguments.append("-co")
arguments.append(opt)
outputFn = self.getOutputFileName()
if outputFn:
arguments.append("-of")
arguments.append(self.outputFormat)
arguments.append("-o")
arguments.append(outputFn)
arguments.extend(self.getInputFileNames())
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 getInputFileNames(self):
if self.inputDirCheck.isChecked():
return Utils.getRasterFiles(self.inSelector.filename(), self.recurseCheck.isChecked())
return self.inSelector.filename().split(",")
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
def getIntersectedExtent(self, files):
res = None
for fileName in files:
if res is None:
res = Utils.getRasterExtent(self, fileName)
continue
rect2 = Utils.getRasterExtent(self, fileName)
if rect2 is None:
continue
res = res.intersect(rect2)
if res.isEmpty():
break
return res
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