QGIS/python/plugins/GdalTools/tools/doProximity.py
2016-04-29 14:10:26 +02:00

115 lines
4.7 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
doProximity.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.QtWidgets import QWidget
from .ui_widgetProximity import Ui_GdalToolsWidget as Ui_Widget
from .widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
from . import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.setupUi(self)
BasePluginWidget.__init__(self, self.iface, "gdal_proximity.py")
self.outSelector.setType(self.outSelector.FILE)
self.outputFormat = Utils.fillRasterOutputFormat()
self.setParamsStatus([
(self.inSelector, "filenameChanged"),
(self.outSelector, "filenameChanged"),
(self.valuesEdit, "textChanged", self.valuesCheck),
(self.distUnitsCombo, "currentIndexChanged", self.distUnitsCheck),
(self.maxDistSpin, "valueChanged", self.maxDistCheck),
(self.noDataSpin, "valueChanged", self.noDataCheck),
(self.fixedBufValSpin, "valueChanged", self.fixedBufValCheck)
])
self.inSelector.selectClicked.connect(self.fillInputFileEdit)
self.outSelector.selectClicked.connect(self.fillOutputFileEdit)
def onLayersChanged(self):
self.inSelector.setLayers(Utils.LayerRegistry().getRasterLayers())
def fillInputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
inputFile = Utils.FileDialog.getOpenFileName(self, self.tr("Select the input file for Proximity"), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
if not inputFile:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(inputFile)
def fillOutputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr("Select the raster file to save the results to"), Utils.FileFilter.saveRastersFilter(), lastUsedFilter)
if not outputFile:
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat(lastUsedFilter, outputFile)
self.outSelector.setFilename(outputFile)
def getArguments(self):
arguments = []
arguments.append(self.getInputFileName())
outputFn = self.getOutputFileName()
arguments.append(outputFn)
if self.valuesCheck.isChecked():
values = self.valuesEdit.text().split()
if values:
arguments.append("-values")
arguments.append(','.join(values))
if self.distUnitsCheck.isChecked() and self.distUnitsCombo.currentIndex() >= 0:
arguments.append("-distunits")
arguments.append(self.distUnitsCombo.currentText())
if self.maxDistCheck.isChecked():
arguments.append("-maxdist")
arguments.append(unicode(self.maxDistSpin.value()))
if self.noDataCheck.isChecked():
arguments.append("-nodata")
arguments.append(unicode(self.noDataSpin.value()))
if self.fixedBufValCheck.isChecked():
arguments.append("-fixed-buf-val")
arguments.append(unicode(self.fixedBufValSpin.value()))
if outputFn:
arguments.append("-of")
arguments.append(self.outputFormat)
return arguments
def getOutputFileName(self):
return self.outSelector.filename()
def getInputFileName(self):
return self.inSelector.filename()
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())