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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 qgis.PyQt.QtCore import QCoreApplication
from qgis.PyQt.QtWidgets import QWidget
from .ui_widgetBuildVRT import Ui_GdalToolsWidget as Ui_Widget
from .widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
from .dialogSRS import GdalToolsSRSDialog as SRSDialog
from . 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, "filenameChanged"),
(self.outSelector, "filenameChanged"),
(self.resolutionComboBox, "currentIndexChanged", self.resolutionCheck),
(self.noDataEdit, "textChanged", self.srcNoDataCheck, 1700),
(self.inputDirCheck, "stateChanged"),
(self.separateCheck, "stateChanged", None, 1700),
(self.targetSRSEdit, "textChanged", self.targetSRSCheck),
(self.allowProjDiffCheck, "stateChanged", None, 1700),
(self.recurseCheck, "stateChanged", self.inputDirCheck),
(self.inputSelLayersCheck, "stateChanged")
]
)
self.inSelector.selectClicked.connect(self.fillInputFilesEdit)
self.outSelector.selectClicked.connect(self.fillOutputFileEdit)
self.inputDirCheck.stateChanged.connect(self.switchToolMode)
self.inputSelLayersCheck.stateChanged.connect(self.switchLayerMode)
self.iface.mapCanvas().layersChanged.connect(self.switchLayerMode)
self.selectTargetSRSButton.clicked.connect(self.fillTargetSRSEdit)
def initialize(self):
# connect to mapCanvas.layerChanged() signal
self.iface.mapCanvas().layersChanged.connect(self.onVisibleLayersChanged)
self.onVisibleLayersChanged()
BasePluginWidget.initialize(self)
def onClosing(self):
# disconnect from mapCanvas.layerChanged() signal
self.iface.mapCanvas().layersChanged.disconnect(self.onVisibleLayersChanged)
self.iface.mapCanvas().layersChanged.disconnect(self.switchLayerMode)
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"))
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 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 fillTargetSRSEdit(self):
dialog = SRSDialog("Select the target SRS", self)
if dialog.exec_():
self.targetSRSEdit.setText(dialog.getProjection())
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():
nodata = self.noDataEdit.text().strip()
if nodata:
arguments.append("-srcnodata")
arguments.append(nodata)
if self.targetSRSCheck.isChecked() and self.targetSRSEdit.text():
arguments.append("-a_srs")
arguments.append(self.targetSRSEdit.text())
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())
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