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99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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from qgis.gui import *
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from osgeo import ogr
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from ui_widgetProximity import Ui_GdalToolsWidget as Ui_Widget
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from widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
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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_proximity.py")
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self.outSelector.setType( self.outSelector.FILE )
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self.outputFormat = Utils.fillRasterOutputFormat()
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self.setParamsStatus(
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[
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(self.inSelector, SIGNAL("filenameChanged()")),
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(self.outSelector, SIGNAL("filenameChanged()")),
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(self.valuesEdit, SIGNAL("textChanged(const QString &)"), self.valuesCheck),
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(self.distUnitsCombo, SIGNAL("currentIndexChanged(int)"), self.distUnitsCheck),
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(self.maxDistSpin, SIGNAL("valueChanged(int)"), self.maxDistCheck),
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(self.noDataSpin, SIGNAL("valueChanged(int)"), self.noDataCheck),
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(self.fixedBufValSpin, SIGNAL("valueChanged(int)"), self.fixedBufValCheck)
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]
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)
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self.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFileEdit)
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self.connect(self.outSelector, SIGNAL("selectClicked()"), self.fillOutputFileEdit)
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def onLayersChanged(self):
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self.inSelector.setLayers( Utils.LayerRegistry().getRasterLayers() )
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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 Proximity" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
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if inputFile.isEmpty():
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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.allRastersFilter(), lastUsedFilter)
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if outputFile.isEmpty():
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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 getArguments(self):
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arguments = QStringList()
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arguments << self.getInputFileName()
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outputFn = self.getOutputFileName()
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arguments << outputFn
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if self.valuesCheck.isChecked():
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values = self.valuesEdit.text().trimmed()
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if not values.isEmpty():
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arguments << "-values"
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arguments << values.replace(' ', ',')
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if self.distUnitsCheck.isChecked() and self.distUnitsCombo.currentIndex() >= 0:
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arguments << "-distunits"
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arguments << self.distUnitsCombo.currentText()
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if self.maxDistCheck.isChecked():
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arguments << "-maxdist"
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arguments << str(self.maxDistSpin.value())
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if self.noDataCheck.isChecked():
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arguments << "-nodata"
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arguments << str(self.noDataSpin.value())
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if self.fixedBufValCheck.isChecked():
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arguments << "-fixed-buf-val"
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arguments << str(self.fixedBufValSpin.value())
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if not outputFn.isEmpty():
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arguments << "-of"
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arguments << self.outputFormat
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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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