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test_qgsatlascomposition.py
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test_qgsatlascomposition.py
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# -*- coding: utf-8 -*-
'''
test_qgsatlascomposition.py
--------------------------------------
Date : Oct 2012
Copyright : (C) 2012 by Dr. Hugo Mercier
email : hugo dot mercier at oslandia 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. *
* *
***************************************************************************/
'''
import qgis
import unittest
from utilities import *
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtXml import *
from qgis.core import *
from qgscompositionchecker import QgsCompositionChecker
QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
class TestQgsAtlasComposition(unittest.TestCase):
def testCase(self):
self.TEST_DATA_DIR = unitTestDataPath()
vectorFileInfo = QFileInfo( self.TEST_DATA_DIR + "/france_parts.shp")
mVectorLayer = QgsVectorLayer( vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr" )
QgsMapLayerRegistry.instance().addMapLayers( [mVectorLayer] )
# create composition with composer map
mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append( mVectorLayer.id() )
mMapRenderer.setLayerSet( layerStringList )
mMapRenderer.setProjectionsEnabled( True )
# select epsg:2154
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid( 2154 )
mMapRenderer.setDestinationCrs( crs )
self.mComposition = QgsComposition( mMapRenderer )
self.mComposition.setPaperSize( 297, 210 )
# fix the renderer, fill with green
props = { "color": "0,127,0" }
fillSymbol = QgsFillSymbolV2.createSimple( props )
renderer = QgsSingleSymbolRendererV2( fillSymbol )
mVectorLayer.setRendererV2( renderer )
# the atlas map
self.mAtlasMap = QgsComposerMap( self.mComposition, 20, 20, 130, 130 )
self.mAtlasMap.setFrameEnabled( True )
self.mComposition.addComposerMap( self.mAtlasMap )
# the atlas
self.mAtlas = QgsAtlasComposition( self.mComposition )
self.mAtlas.setCoverageLayer( mVectorLayer )
self.mAtlas.setComposerMap( self.mAtlasMap )
# an overview
mOverview = QgsComposerMap( self.mComposition, 180, 20, 50, 50 )
mOverview.setFrameEnabled( True )
mOverview.setOverviewFrameMap( self.mAtlasMap.id() )
self.mComposition.addComposerMap( mOverview )
nextent = QgsRectangle( 49670.718, 6415139.086, 699672.519, 7065140.887 )
mOverview.setNewExtent( nextent )
# set the fill symbol of the overview map
props2 = { "color": "127,0,0,127" }
fillSymbol2 = QgsFillSymbolV2.createSimple( props2 )
mOverview.setOverviewFrameMapSymbol( fillSymbol2 );
# header label
self.mLabel1 = QgsComposerLabel( self.mComposition )
self.mComposition.addComposerLabel( self.mLabel1 )
self.mLabel1.setText( "[% \"NAME_1\" %] area" )
self.mLabel1.adjustSizeToText()
self.mLabel1.setItemPosition( 150, 5 )
qWarning( "header label font: %s exactMatch:%s" % ( self.mLabel1.font().toString(), self.mLabel1.font().exactMatch() ) )
# feature number label
self.mLabel2 = QgsComposerLabel( self.mComposition )
self.mComposition.addComposerLabel( self.mLabel2 )
self.mLabel2.setText( "# [%$feature || ' / ' || $numfeatures%]" )
self.mLabel2.adjustSizeToText()
self.mLabel2.setItemPosition( 150, 200 )
qWarning( "feature number label font: %s exactMatch:%s" % ( self.mLabel2.font().toString(), self.mLabel2.font().exactMatch() ) )
self.filename_test()
self.autoscale_render_test()
self.fixedscale_render_test()
self.hidden_render_test()
def filename_test( self ):
self.mAtlas.setFilenamePattern( "'output_' || $feature" )
self.mAtlas.beginRender()
for i in range(0, self.mAtlas.numFeatures()):
self.mAtlas.prepareForFeature( i )
expected = "output_%d" % (i+1)
assert self.mAtlas.currentFilename() == expected
self.mAtlas.endRender()
def autoscale_render_test( self ):
self.mAtlas.setFixedScale( False )
self.mAtlas.setMargin( 0.10 )
self.mAtlas.beginRender()
for i in range(0, 2):
self.mAtlas.prepareForFeature( i )
self.mLabel1.adjustSizeToText()
checker = QgsCompositionChecker('atlas_autoscale%d' % (i + 1), self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True
self.mAtlas.endRender()
def fixedscale_render_test( self ):
self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) );
self.mAtlas.setFixedScale( True )
self.mAtlas.beginRender()
for i in range(0, 2):
self.mAtlas.prepareForFeature( i )
self.mLabel1.adjustSizeToText()
checker = QgsCompositionChecker('atlas_fixedscale%d' % (i + 1), self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True
self.mAtlas.endRender()
def hidden_render_test( self ):
self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) );
self.mAtlas.setFixedScale( True )
self.mAtlas.setHideCoverage( True )
self.mAtlas.beginRender()
for i in range(0, 2):
self.mAtlas.prepareForFeature( i )
self.mLabel1.adjustSizeToText()
checker = QgsCompositionChecker('atlas_hiding%d' % (i + 1), self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True
self.mAtlas.endRender()
def sorting_render_test( self ):
self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) );
self.mAtlas.setFixedScale( True )
self.mAtlas.setHideCoverage( False )
self.mAtlas.setSortFeatures( True )
self.mAtlas.setSortKeyAttributeIndex( 4 ) # departement name
self.mAtlas.setSortAscending( False )
self.mAtlas.beginRender()
for i in range(0, 2):
self.mAtlas.prepareForFeature( i )
self.mLabel1.adjustSizeToText()
checker = QgsCompositionChecker('atlas_sorting%d' % (i + 1), self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True
self.mAtlas.endRender()
def filtering_render_test( self ):
self.mAtlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) );
self.mAtlas.setFixedScale( True )
self.mAtlas.setHideCoverage( False )
self.mAtlas.setSortFeatures( False )
self.mAtlas.setFilterFeatures( True )
self.mAtlas.setFeatureFilter( "substr(NAME_1,1,1)='P'" ) # select only 'Pays de la loire'
self.mAtlas.beginRender()
for i in range(0, 1):
self.mAtlas.prepareForFeature( i )
self.mLabel1.adjustSizeToText()
checker = QgsCompositionChecker('atlas_filtering%d' % (i + 1), self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True
self.mAtlas.endRender()
if __name__ == '__main__':
unittest.main()