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test_qgscomposermapatlas.py
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test_qgscomposermapatlas.py
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# -*- coding: utf-8 -*-
'''
test_qgscomposermapatlas.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 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 TestQgsComposerMapAtlas(unittest.TestCase):
def testCase(self):
TEST_DATA_DIR = unitTestDataPath()
vectorFileInfo = QFileInfo( TEST_DATA_DIR + QDir().separator().toAscii() + "france_parts.shp")
mVectorLayer = QgsVectorLayer( vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr" )
QgsMapLayerRegistry.instance().addMapLayer( mVectorLayer )
# create composition with composer map
mMapRenderer = QgsMapRenderer()
layerStringList = QStringList()
layerStringList.append( mVectorLayer.id() )
mMapRenderer.setLayerSet( layerStringList )
mMapRenderer.setProjectionsEnabled( True )
# select epsg:2154
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid( 2154 )
mMapRenderer.setDestinationCrs( crs )
mComposition = QgsComposition( mMapRenderer )
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
mAtlasMap = QgsComposerMap( mComposition, 20, 20, 130, 130 )
mAtlasMap.setFrameEnabled( True )
mAtlasMap.setAtlasCoverageLayer( mVectorLayer )
mComposition.addComposerMap( mAtlasMap )
mComposition.setAtlasMap( mAtlasMap )
# an overview
mOverview = QgsComposerMap( mComposition, 180, 20, 50, 50 )
mOverview.setFrameEnabled( True )
mOverview.setOverviewFrameMap( mAtlasMap.id() )
mComposition.addComposerMap( mOverview )
nextent = QgsRectangle( 49670.718, 6415139.086, 699672.519, 7065140.887 )
mOverview.setNewExtent( nextent )
# header label
mLabel1 = QgsComposerLabel( mComposition )
mComposition.addComposerLabel( mLabel1 )
mLabel1.setText( "[% \"NAME_1\" %] area" )
mLabel1.adjustSizeToText()
mLabel1.setItemPosition( 150, 5 )
# feature number label
mLabel2 = QgsComposerLabel( mComposition )
mComposition.addComposerLabel( mLabel2 )
mLabel2.setText( "# [%$feature || ' / ' || $numfeatures%]" )
mLabel2.adjustSizeToText()
mLabel2.setItemPosition( 150, 200 )
self.filename_test( mComposition )
self.autoscale_render_test( mComposition, mLabel1, TEST_DATA_DIR )
self.fixedscale_render_test( mComposition, mLabel1, TEST_DATA_DIR )
self.hidden_render_test( mComposition, mLabel1, TEST_DATA_DIR )
def filename_test( self, mComposition ):
atlasRender = QgsAtlasRendering( mComposition )
atlasRender.begin( "'output_' || $feature" )
for i in range(0, atlasRender.numFeatures()):
atlasRender.prepareForFeature( i )
expected = QString( "output_%1" ).arg(i+1)
print atlasRender.currentFilename()
assert atlasRender.currentFilename() == expected
atlasRender.end()
def autoscale_render_test( self, mComposition, mLabel1, TEST_DATA_DIR ):
atlasMap = mComposition.atlasMap()
atlasMap.setAtlasFixedScale( False )
atlasMap.setAtlasMargin( 0.10 )
atlasRender = QgsAtlasRendering( mComposition )
atlasRender.begin()
for i in range(0, 2):
atlasRender.prepareForFeature( i )
mLabel1.adjustSizeToText()
checker = QgsCompositionChecker()
res = checker.testComposition( "Atlas autoscale test", mComposition, \
QString( TEST_DATA_DIR ) + QDir.separator() + \
"control_images" + QDir.separator() + \
"expected_composermapatlas" + QDir.separator() + \
QString( "autoscale_%1.png" ).arg( i ) )
assert res[0] == True
atlasRender.end()
def fixedscale_render_test( self, mComposition, mLabel1, TEST_DATA_DIR ):
atlasMap = mComposition.atlasMap()
atlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) );
atlasMap.setAtlasFixedScale( True )
atlasRender = QgsAtlasRendering( mComposition )
atlasRender.begin()
for i in range(0, 2):
atlasRender.prepareForFeature( i )
mLabel1.adjustSizeToText()
checker = QgsCompositionChecker()
res = checker.testComposition( "Atlas fixed scale test", mComposition, \
QString( TEST_DATA_DIR ) + QDir.separator() + \
"control_images" + QDir.separator() + \
"expected_composermapatlas" + QDir.separator() + \
QString( "fixedscale_%1.png" ).arg( i ) )
assert res[0] == True
atlasRender.end()
def hidden_render_test( self, mComposition, mLabel1, TEST_DATA_DIR ):
atlasMap = mComposition.atlasMap()
atlasMap.setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) );
atlasMap.setAtlasFixedScale( True )
atlasMap.setAtlasHideCoverage( True )
atlasRender = QgsAtlasRendering( mComposition )
atlasRender.begin()
for i in range(0, 2):
atlasRender.prepareForFeature( i )
mLabel1.adjustSizeToText()
checker = QgsCompositionChecker()
res = checker.testComposition( "Atlas hidden test", mComposition, \
QString( TEST_DATA_DIR ) + QDir.separator() + \
"control_images" + QDir.separator() + \
"expected_composermapatlas" + QDir.separator() + \
QString( "hiding_%1.png" ).arg( i ) )
assert res[0] == True
atlasRender.end()
if __name__ == '__main__':
unittest.main()