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123 lines
5.0 KiB
Python
123 lines
5.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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doPolygonize.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 QFileInfo
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from PyQt.QtWidgets import QWidget
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from .ui_widgetPolygonize 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.resolutions = ("highest", "average", "lowest")
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self.setupUi(self)
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BasePluginWidget.__init__(self, self.iface, "gdal_polygonize.py")
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self.outSelector.setType(self.outSelector.FILE)
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self.outputFormat = Utils.fillVectorOutputFormat()
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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.maskSelector, "filenameChanged", self.maskCheck),
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(self.fieldEdit, "textChanged", self.fieldCheck)
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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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def onLayersChanged(self):
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self.inSelector.setLayers(Utils.LayerRegistry.instance().getRasterLayers())
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self.maskSelector.setLayers(Utils.LayerRegistry.instance().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 Polygonize"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
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if not 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.lastUsedVectorFilter()
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outputFile, encoding = Utils.FileDialog.getSaveFileName(self, self.tr("Select where to save the Polygonize output"), Utils.FileFilter.allVectorsFilter(), lastUsedFilter, True)
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if not outputFile:
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return
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Utils.FileFilter.setLastUsedVectorFilter(lastUsedFilter)
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self.outputFormat = Utils.fillVectorOutputFormat(lastUsedFilter, outputFile)
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self.outSelector.setFilename(outputFile)
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self.lastEncoding = encoding
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def fillMaskFileEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
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maskFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the input file for Polygonize"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
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if not maskFile():
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return
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Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
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self.maskSelector.setFilename(maskFile)
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def getArguments(self):
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arguments = []
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arguments.append(self.getInputFileName())
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outputFn = self.getOutputFileName()
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maskFn = self.getMaskFileName()
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if self.maskCheck.isChecked() and maskFn:
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arguments.append("-mask")
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arguments.append(maskFn)
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if outputFn:
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arguments.append("-f")
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arguments.append(self.outputFormat)
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arguments.append(outputFn)
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if outputFn:
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arguments.append(QFileInfo(outputFn).baseName())
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if (self.fieldCheck.isChecked() and self.fieldEdit.text()):
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arguments.append(self.fieldEdit.text())
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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 getMaskFileName(self):
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return self.maskSelector.filename()
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def addLayerIntoCanvas(self, fileInfo):
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vl = self.iface.addVectorLayer(fileInfo.filePath(), fileInfo.baseName(), "ogr")
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if vl is not None and vl.isValid():
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if hasattr(self, 'lastEncoding'):
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vl.setProviderEncoding(self.lastEncoding)
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