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217 lines
8.6 KiB
Python
217 lines
8.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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doClipper.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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from builtins import str
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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 qgis.PyQt.QtWidgets import QWidget
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from qgis.core import Qgis, QgsWkbTypes
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from .ui_widgetClipper 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.canvas = self.iface.mapCanvas()
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self.setupUi(self)
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BasePluginWidget.__init__(self, self.iface, "gdal_translate")
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self.outSelector.setType(self.outSelector.FILE)
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self.extentSelector.setCanvas(self.canvas)
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self.outputFormat = Utils.fillRasterOutputFormat()
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# set the default QDoubleSpinBoxes
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self.xRes.setValue(12.5)
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self.yRes.setValue(12.5)
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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, 1700),
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(self.maskSelector, "filenameChanged", self.maskModeRadio, 1600),
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(self.alphaBandCheck, "stateChanged"),
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(self.cropToCutlineCheck, "stateChanged"),
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([self.xRes, self.yRes], "valueChanged", self.setResolutionRadio),
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(self.extentSelector, ["selectionStarted", "newExtentDefined"], self.extentModeRadio),
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(self.modeStackedWidget, "currentChanged")
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])
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self.inSelector.selectClicked.connect(self.fillInputFileEdit)
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self.outSelector.selectClicked.connect(self.fillOutputFileEdit)
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self.maskSelector.selectClicked.connect(self.fillMaskFileEdit)
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self.extentSelector.newExtentDefined.connect(self.extentChanged)
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self.extentSelector.selectionStarted.connect(self.checkRun)
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self.extentModeRadio.toggled.connect(self.switchClippingMode)
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self.keepResolutionRadio.toggled.connect(self.switchResolutionMode)
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def show_(self):
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self.switchClippingMode()
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self.switchResolutionMode()
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BasePluginWidget.show_(self)
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def onClosing(self):
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self.extentSelector.stop()
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BasePluginWidget.onClosing(self)
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def switchClippingMode(self):
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if self.extentModeRadio.isChecked():
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index = 0
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self.extentSelector.start()
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else:
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self.extentSelector.stop()
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index = 1
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self.modeStackedWidget.setCurrentIndex(index)
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self.checkRun()
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def switchResolutionMode(self):
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if self.keepResolutionRadio.isChecked():
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self.resolutionWidget.hide()
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else:
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self.resolutionWidget.show()
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def checkRun(self):
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if self.extentModeRadio.isChecked():
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enabler = self.extentSelector.isCoordsValid()
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else:
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enabler = not self.maskSelector.filename() == ''
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self.base.enableRun(enabler)
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def extentChanged(self):
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self.activateWindow()
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self.raise_()
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self.checkRun()
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def onLayersChanged(self):
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self.inSelector.setLayers(Utils.LayerRegistry.instance().getRasterLayers())
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self.maskSelector.setLayers([x for x in Utils.LayerRegistry.instance().getVectorLayers() if x.geometryType() == QgsWkbTypes.PolygonGeometry])
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self.checkRun()
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def fillInputFileEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
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inputFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the input file for Polygonize"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
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if inputFile == '':
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return
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Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
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self.inSelector.setFilename(inputFile)
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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 the raster file to save the results to"), Utils.FileFilter.saveRastersFilter(), lastUsedFilter)
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if 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 fillMaskFileEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedVectorFilter()
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maskFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the mask file"), Utils.FileFilter.allVectorsFilter(), lastUsedFilter)
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if maskFile == '':
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return
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Utils.FileFilter.setLastUsedVectorFilter(lastUsedFilter)
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self.maskSelector.setFilename(maskFile)
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self.checkRun()
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def getArguments(self):
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if not self.extentModeRadio.isChecked():
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return self.getArgsModeMask()
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return self.getArgsModeExtent()
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def getArgsModeExtent(self):
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self.base.setPluginCommand("gdal_translate")
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inputFn = self.getInputFileName()
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arguments = []
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if self.noDataCheck.isChecked():
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arguments.append("-a_nodata")
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arguments.append(str(self.noDataSpin.value()))
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if self.extentModeRadio.isChecked() and self.extentSelector.isCoordsValid():
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rect = self.extentSelector.getExtent()
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if rect is not None and not inputFn == '':
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arguments.append("-projwin")
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arguments.append(str(rect.xMinimum()))
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arguments.append(str(rect.yMaximum()))
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arguments.append(str(rect.xMaximum()))
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arguments.append(str(rect.yMinimum()))
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outputFn = self.getOutputFileName()
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if not outputFn == '':
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arguments.append("-of")
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arguments.append(self.outputFormat)
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arguments.append(inputFn)
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arguments.append(outputFn)
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return arguments
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def getArgsModeMask(self):
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self.base.setPluginCommand("gdalwarp")
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inputFn = self.getInputFileName()
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arguments = []
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if self.noDataCheck.isChecked():
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arguments.append("-dstnodata")
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arguments.append(str(self.noDataSpin.value()))
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if self.maskModeRadio.isChecked():
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mask = self.maskSelector.filename()
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if not mask == '' and not inputFn == '':
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arguments.append("-q")
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arguments.append("-cutline")
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arguments.append(mask)
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if Utils.GdalConfig.versionNum() >= 1800:
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if self.cropToCutlineCheck.isChecked():
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arguments.append("-crop_to_cutline")
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if self.alphaBandCheck.isChecked():
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arguments.append("-dstalpha")
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if self.keepResolutionRadio.isChecked():
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resolution = Utils.getRasterResolution(inputFn)
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if resolution is not None:
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arguments.append("-tr")
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arguments.append(resolution[0])
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arguments.append(resolution[1])
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else:
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arguments.append("-tr")
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arguments.append(str(self.xRes.value()))
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arguments.append(str(self.yRes.value()))
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outputFn = self.getOutputFileName()
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if not outputFn == '':
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arguments.append("-of")
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arguments.append(self.outputFormat)
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arguments.append(inputFn)
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arguments.append(outputFn)
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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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return self.inSelector.filename()
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def addLayerIntoCanvas(self, fileInfo):
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self.iface.addRasterLayer(fileInfo.filePath())
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