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# -*- coding: utf-8 -*-
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"""
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
doPolygonize . py
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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__ = ' $Format: % H$ '
fix python pep8 warnings and fix some revealed errors
pep8 --ignore=E111,E128,E201,E202,E203,E211,E221,E222,E225,E226,E227,E231,E241,E261,E265,E272,E302,E303,E501,E701 \
--exclude="ui_*.py,debian/*,python/ext-libs/*" \
.
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from PyQt4 . QtCore import SIGNAL , QFileInfo
from PyQt4 . QtGui import QWidget
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from ui_widgetPolygonize import Ui_GdalToolsWidget as Ui_Widget
from widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
import GdalTools_utils as Utils
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class GdalToolsDialog ( QWidget , Ui_Widget , BasePluginWidget ) :
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def __init__ ( self , iface ) :
QWidget . __init__ ( self )
self . iface = iface
self . resolutions = ( " highest " , " average " , " lowest " )
self . setupUi ( self )
BasePluginWidget . __init__ ( self , self . iface , " gdal_polygonize.py " )
self . outSelector . setType ( self . outSelector . FILE )
self . outputFormat = Utils . fillVectorOutputFormat ( )
self . setParamsStatus ( [
( self . inSelector , SIGNAL ( " filenameChanged() " ) ) ,
( self . outSelector , SIGNAL ( " filenameChanged() " ) ) ,
( self . maskSelector , SIGNAL ( " filenameChanged() " ) , self . maskCheck ) ,
( self . fieldEdit , SIGNAL ( " textChanged(const QString &) " ) , self . fieldCheck )
] )
self . connect ( self . inSelector , SIGNAL ( " selectClicked() " ) , self . fillInputFileEdit )
self . connect ( self . outSelector , SIGNAL ( " selectClicked() " ) , self . fillOutputFileEdit )
self . connect ( self . maskSelector , SIGNAL ( " selectClicked() " ) , self . fillMaskFileEdit )
def onLayersChanged ( self ) :
self . inSelector . setLayers ( Utils . LayerRegistry . instance ( ) . getRasterLayers ( ) )
self . maskSelector . setLayers ( Utils . LayerRegistry . instance ( ) . getRasterLayers ( ) )
def fillInputFileEdit ( self ) :
lastUsedFilter = Utils . FileFilter . lastUsedRasterFilter ( )
inputFile = Utils . FileDialog . getOpenFileName ( self , self . tr ( " Select the input file for Polygonize " ) , Utils . FileFilter . allRastersFilter ( ) , lastUsedFilter )
if not inputFile :
return
Utils . FileFilter . setLastUsedRasterFilter ( lastUsedFilter )
self . inSelector . setFilename ( inputFile )
def fillOutputFileEdit ( self ) :
lastUsedFilter = Utils . FileFilter . lastUsedVectorFilter ( )
outputFile , encoding = Utils . FileDialog . getSaveFileName ( self , self . tr ( " Select where to save the Polygonize output " ) , Utils . FileFilter . allVectorsFilter ( ) , lastUsedFilter , True )
if not outputFile :
return
Utils . FileFilter . setLastUsedVectorFilter ( lastUsedFilter )
self . outputFormat = Utils . fillVectorOutputFormat ( lastUsedFilter , outputFile )
self . outSelector . setFilename ( outputFile )
self . lastEncoding = encoding
def fillMaskFileEdit ( self ) :
lastUsedFilter = Utils . FileFilter . lastUsedRasterFilter ( )
maskFile = Utils . FileDialog . getOpenFileName ( self , self . tr ( " Select the input file for Polygonize " ) , Utils . FileFilter . allRastersFilter ( ) , lastUsedFilter )
if not maskFile ( ) :
return
Utils . FileFilter . setLastUsedRasterFilter ( lastUsedFilter )
self . maskSelector . setFilename ( maskFile )
def getArguments ( self ) :
arguments = [ ]
arguments . append ( self . getInputFileName ( ) )
outputFn = self . getOutputFileName ( )
maskFn = self . getMaskFileName ( )
if self . maskCheck . isChecked ( ) and maskFn :
arguments . append ( " -mask " )
arguments . append ( maskFn )
if outputFn :
arguments . append ( " -f " )
arguments . append ( self . outputFormat )
arguments . append ( outputFn )
if outputFn :
arguments . append ( QFileInfo ( outputFn ) . baseName ( ) )
if ( self . fieldCheck . isChecked ( ) and self . fieldEdit . text ( ) ) :
arguments . append ( self . fieldEdit . text ( ) )
return arguments
def getOutputFileName ( self ) :
return self . outSelector . filename ( )
def getInputFileName ( self ) :
return self . inSelector . filename ( )
def getMaskFileName ( self ) :
return self . maskSelector . filename ( )
def addLayerIntoCanvas ( self , fileInfo ) :
vl = self . iface . addVectorLayer ( fileInfo . filePath ( ) , fileInfo . baseName ( ) , " ogr " )
if vl is not None and vl . isValid ( ) :
if hasattr ( self , ' lastEncoding ' ) :
vl . setProviderEncoding ( self . lastEncoding )
