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199 lines
7.9 KiB
Python
199 lines
7.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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doMerge.py
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---------------------
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Date : June 2010
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Copyright : (C) 2010 by Giuseppe Sucameli
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Email : brush dot tyler at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Giuseppe Sucameli'
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__date__ = 'June 2010'
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__copyright__ = '(C) 2010, Giuseppe Sucameli'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from PyQt.QtCore import QCoreApplication
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from PyQt.QtWidgets import QWidget, QMessageBox
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from .ui_widgetMerge import Ui_GdalToolsWidget as Ui_Widget
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from .widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
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from . import GdalTools_utils as Utils
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class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
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def __init__(self, iface):
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QWidget.__init__(self)
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self.iface = iface
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self.setupUi(self)
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BasePluginWidget.__init__(self, self.iface, "gdal_merge.py")
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self.inSelector.setType(self.inSelector.FILE)
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self.outSelector.setType(self.outSelector.FILE)
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self.recurseCheck.hide()
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# use this for approx. previous UI
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#self.creationOptionsWidget.setType(QgsRasterFormatSaveOptionsWidget.Table)
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self.outputFormat = Utils.fillRasterOutputFormat()
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self.extent = None
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self.setParamsStatus([
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(self.inSelector, "filenameChanged"),
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(self.outSelector, "filenameChanged"),
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(self.noDataSpin, "valueChanged", self.noDataCheck),
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(self.inputDirCheck, "stateChanged"),
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(self.recurseCheck, "stateChanged", self.inputDirCheck),
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(self.separateCheck, "stateChanged"),
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(self.pctCheck, "stateChanged"),
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(self.intersectCheck, "stateChanged"),
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(self.creationOptionsWidget, "optionsChanged"),
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(self.creationOptionsGroupBox, "toggled")
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])
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self.inSelector.selectClicked.connect(self.fillInputFilesEdit)
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self.outSelector.selectClicked.connect(self.fillOutputFileEdit)
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self.intersectCheck.toggled.connect(self.refreshExtent)
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self.inputDirCheck.stateChanged.connect(self.switchToolMode)
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self.inSelector.filenameChanged.connect(self.refreshExtent)
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def switchToolMode(self):
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self.recurseCheck.setVisible(self.inputDirCheck.isChecked())
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self.inSelector.clear()
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if self.inputDirCheck.isChecked():
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self.inFileLabel = self.label.text()
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self.label.setText(QCoreApplication.translate("GdalTools", "&Input directory"))
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self.inSelector.selectClicked.disconnect(self.fillInputFilesEdit)
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self.inSelector.selectClicked.connect(self.fillInputDir)
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else:
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self.label.setText(self.inFileLabel)
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self.inSelector.selectClicked.connect(self.fillInputFilesEdit)
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self.inSelector.selectClicked.disconnect(self.fillInputDir)
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def fillInputFilesEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
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files = Utils.FileDialog.getOpenFileNames(self, self.tr("Select the files to Merge"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
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if not files:
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return
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Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
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self.inSelector.setFilename(files)
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def refreshExtent(self):
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files = self.getInputFileNames()
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self.intersectCheck.setEnabled(len(files) > 1)
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if not self.intersectCheck.isChecked():
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self.someValueChanged()
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return
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if len(files) < 2:
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self.intersectCheck.setChecked(False)
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return
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self.extent = self.getIntersectedExtent(files)
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if self.extent is None:
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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.'))
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self.intersectCheck.setChecked(False)
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return
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elif self.extent.isEmpty():
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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.'))
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self.someValueChanged()
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def fillOutputFileEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
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outputFile = Utils.FileDialog.getSaveFileName(self, self.tr("Select where to save the Merge output"), Utils.FileFilter.saveRastersFilter(), lastUsedFilter)
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if not outputFile:
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return
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Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
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self.outputFormat = Utils.fillRasterOutputFormat(lastUsedFilter, outputFile)
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self.outSelector.setFilename(outputFile)
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def fillInputDir(self):
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inputDir = Utils.FileDialog.getExistingDirectory(self, self.tr("Select the input directory with files to Merge"))
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if not inputDir:
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return
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self.inSelector.setFilename(inputDir)
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def getArguments(self):
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arguments = []
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if self.intersectCheck.isChecked():
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if self.extent is not None:
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arguments.append("-ul_lr")
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arguments.append(unicode(self.extent.xMinimum()))
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arguments.append(unicode(self.extent.yMaximum()))
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arguments.append(unicode(self.extent.xMaximum()))
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arguments.append(unicode(self.extent.yMinimum()))
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if self.noDataCheck.isChecked():
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arguments.append("-n")
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arguments.append(unicode(self.noDataSpin.value()))
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if Utils.GdalConfig.versionNum() >= 1900:
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arguments.append("-a_nodata")
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arguments.append(unicode(self.noDataSpin.value()))
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if self.separateCheck.isChecked():
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arguments.append("-separate")
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if self.pctCheck.isChecked():
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arguments.append("-pct")
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if self.creationOptionsGroupBox.isChecked():
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for opt in self.creationOptionsWidget.options():
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arguments.append("-co")
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arguments.append(opt)
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outputFn = self.getOutputFileName()
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if outputFn:
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arguments.append("-of")
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arguments.append(self.outputFormat)
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arguments.append("-o")
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arguments.append(outputFn)
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arguments.extend(self.getInputFileNames())
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return arguments
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def getOutputFileName(self):
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return self.outSelector.filename()
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def getInputFileName(self):
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if self.inputDirCheck.isChecked():
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return self.inSelector.filename()
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return self.inSelector.filename().split(",")
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def getInputFileNames(self):
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if self.inputDirCheck.isChecked():
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return Utils.getRasterFiles(self.inSelector.filename(), self.recurseCheck.isChecked())
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return self.inSelector.filename().split(",")
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def addLayerIntoCanvas(self, fileInfo):
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self.iface.addRasterLayer(fileInfo.filePath())
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def getIntersectedExtent(self, files):
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res = None
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for fileName in files:
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if res is None:
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res = Utils.getRasterExtent(self, fileName)
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continue
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rect2 = Utils.getRasterExtent(self, fileName)
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if rect2 is None:
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continue
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res = res.intersect(rect2)
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if res.isEmpty():
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break
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return res
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