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# -*- 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 PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from osgeo import ogr
from ui_widgetProximity import Ui_GdalToolsWidget as Ui_Widget
from widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
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, SIGNAL("filenameChanged()")),
(self.outSelector, SIGNAL("filenameChanged()")),
(self.valuesEdit, SIGNAL("textChanged(const QString &)"), self.valuesCheck),
(self.distUnitsCombo, SIGNAL("currentIndexChanged(int)"), self.distUnitsCheck),
(self.maxDistSpin, SIGNAL("valueChanged(int)"), self.maxDistCheck),
(self.noDataSpin, SIGNAL("valueChanged(int)"), self.noDataCheck),
(self.fixedBufValSpin, SIGNAL("valueChanged(int)"), self.fixedBufValCheck)
]
)
self.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFileEdit)
self.connect(self.outSelector, SIGNAL("selectClicked()"), 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.allRastersFilter(), 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( str(self.maxDistSpin.value()))
if self.noDataCheck.isChecked():
arguments.append( "-nodata")
arguments.append( str(self.noDataSpin.value()))
if self.fixedBufValCheck.isChecked():
arguments.append( "-fixed-buf-val")
arguments.append( str(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())
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