def testResizeWithMapContent(self):
"""Test test legend resizes to match map content"""
point_path = os.path.join(TEST_DATA_DIR, 'points.shp')
point_layer = QgsVectorLayer(point_path, 'points', 'ogr')
QgsProject.instance().addMapLayers([point_layer])
s = QgsMapSettings()
s.setLayers([point_layer])
composition = QgsComposition(QgsProject.instance())
composition.setPaperSize(297, 210)
composer_map = QgsComposerMap(composition, 20, 20, 80, 80)
composer_map.setFrameEnabled(True)
composer_map.setLayers([point_layer])
composition.addComposerMap(composer_map)
composer_map.setNewExtent(point_layer.extent())
legend = QgsComposerLegend(composition)
legend.setSceneRect(QRectF(120, 20, 80, 80))
legend.setFrameEnabled(True)
legend.setFrameStrokeWidth(2)
legend.setBackgroundColor(QColor(200, 200, 200))
legend.setTitle('')
legend.setLegendFilterByMapEnabled(True)
composition.addComposerLegend(legend)
legend.setComposerMap(composer_map)
composer_map.setNewExtent(QgsRectangle(-102.51, 41.16, -102.36, 41.30))
checker = QgsCompositionChecker('composer_legend_size_content',
composition)
checker.setControlPathPrefix("composer_legend")
result, message = checker.testComposition()
self.assertTrue(result, message)
QgsProject.instance().removeMapLayers([point_layer.id()])
def testTrueNorth(self):
"""Test syncing picture to true north"""
mapSettings = QgsMapSettings()
mapSettings.setDestinationCrs(
QgsCoordinateReferenceSystem.fromEpsgId(3575))
composition = QgsComposition(mapSettings)
composerMap = QgsComposerMap(composition)
composerMap.setNewExtent(
QgsRectangle(-2126029.962, -2200807.749, -119078.102, -757031.156))
composition.addComposerMap(composerMap)
composerPicture = QgsComposerPicture(composition)
composition.addComposerPicture(composerPicture)
composerPicture.setRotationMap(composerMap.id())
self.assertTrue(composerPicture.rotationMap() >= 0)
composerPicture.setNorthMode(QgsComposerPicture.TrueNorth)
self.assertAlmostEqual(composerPicture.pictureRotation(), 37.20, 1)
# shift map
composerMap.setNewExtent(
QgsRectangle(2120672.293, -3056394.691, 2481640.226, -2796718.780))
self.assertAlmostEqual(composerPicture.pictureRotation(), -38.18, 1)
# rotate map
composerMap.setMapRotation(45)
self.assertAlmostEqual(composerPicture.pictureRotation(), -38.18 + 45,
1)
# add an offset
composerPicture.setNorthOffset(-10)
self.assertAlmostEqual(composerPicture.pictureRotation(), -38.18 + 35,
1)
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview_invert.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview inverted',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def __init__(self, methodName):
"""Run once on class initialization."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'rgb256x256.png')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(mRasterLayer.dataProvider(),
1, 2, 3)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsProject.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapSettings = QgsMapSettings()
self.mMapSettings.setLayers([mRasterLayer])
self.mMapSettings.setCrsTransformEnabled(False)
self.mComposition = QgsComposition(self.mMapSettings,
QgsProject.instance())
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testCase(self):
self.TEST_DATA_DIR = unitTestDataPath()
tmppath = tempfile.mkdtemp()
for file in glob.glob(
os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(),
vectorFileInfo.completeBaseName(), "ogr")
QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer])
# create composition with composer map
self.mapSettings = QgsMapSettings()
layerStringList = []
layerStringList.append(mVectorLayer.id())
self.mapSettings.setLayers(layerStringList)
self.mapSettings.setCrsTransformEnabled(True)
self.mapSettings.setMapUnits(QGis.Meters)
# select epsg:2154
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid(2154)
self.mapSettings.setDestinationCrs(crs)
self.mComposition = QgsComposition(self.mapSettings)
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 = self.mComposition.atlasComposition()
self.mAtlas.setCoverageLayer(mVectorLayer)
self.mAtlas.setEnabled(True)
self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)
# 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.setFont(QgsFontUtils.getStandardTestFont())
self.mLabel1.adjustSizeToText()
self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))
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.setFont(QgsFontUtils.getStandardTestFont())
self.mLabel2.adjustSizeToText()
self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))
qWarning(
"feature number label font: %s exactMatch:%s" %
(self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))
self.filename_test()
self.autoscale_render_test()
self.autoscale_render_test_old_api()
self.fixedscale_render_test()
self.predefinedscales_render_test()
self.hidden_render_test()
self.legend_test()
shutil.rmtree(tmppath, True)
def composer(self, setData, flag=True):
paperWidth = setData["Width"]
paperHeight = setData["Height"]
mapRenderer = define._canvas.mapRenderer()
# comp = None
comp = QgsComposition(mapRenderer)
comp.setPlotStyle(QgsComposition.Print)
comp.setPaperSize(paperWidth, paperHeight)
# rectangleAll = QgsComposerShape(comp)
# rectangleAll.setItemPosition(3, 3, paperWidth - 3, paperHeight - 3)
# rectangleAll.setShapeType(1)
# comp.addItem(rectangleAll)
self.txt1 = QgsComposerLabel(comp)
self.txt1.setItemPosition(20, 20)
self.txt1.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt1.setFont(font)
self.txt1.setText(setData["TextData"][0])
self.txt1.adjustSizeToText()
comp.addItem(self.txt1)
self.txt2 = QgsComposerLabel(comp)
self.txt2.setItemPosition(int(paperWidth / 2) + 10, 20)
self.txt2.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt2.setFont(font)
self.txt2.setText(setData["TextData"][1])
self.txt2.adjustSizeToText()
comp.addItem(self.txt2)
self.txt3 = QgsComposerLabel(comp)
self.txt3.setItemPosition(paperWidth - 40, 20)
self.txt3.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt3.setFont(font)
self.txt3.setText(setData["TextData"][2])
self.txt3.adjustSizeToText()
comp.addItem(self.txt3)
w = int((paperWidth - 40) / 4)
self.txt4 = QgsComposerLabel(comp)
self.txt4.setItemPosition(20, 35)
self.txt4.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt4.setFont(font)
self.txt4.setText(setData["TextData"][3])
self.txt4.adjustSizeToText()
comp.addItem(self.txt4)
self.txt5 = QgsComposerLabel(comp)
self.txt5.setItemPosition(20 + w, 35)
self.txt5.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt5.setFont(font)
self.txt5.setText(setData["TextData"][4])
self.txt5.adjustSizeToText()
comp.addItem(self.txt5)
self.txt6 = QgsComposerLabel(comp)
self.txt6.setItemPosition(20 + w * 2, 35)
self.txt6.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt6.setFont(font)
self.txt6.setText(setData["TextData"][5])
self.txt6.adjustSizeToText()
comp.addItem(self.txt6)
self.txt7 = QgsComposerLabel(comp)
self.txt7.setItemPosition(20 + w * 3, 35)
self.txt7.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt7.setFont(font)
self.txt7.setText(setData["TextData"][6])
self.txt7.adjustSizeToText()
comp.addItem(self.txt7)
# if flag:
x, y = 20, 45
composerMap = QgsComposerMap(comp, x, y, paperWidth - 40, 150)
# composerMap.setPreviewMode(QgsComposerMap.Render)
# composerMap.setGridEnabled(False)
#rect = composerMap.currentMapExtent ()
renderer = composerMap.mapRenderer()
newExtent = renderer.extent()
#Make sure the width/height ratio is the same as in current composer map extent.
#This is to keep the map item frame and the page layout fixed
currentMapExtent = composerMap.currentMapExtent()
currentWidthHeightRatio = currentMapExtent.width(
) / currentMapExtent.height()
newWidthHeightRatio = newExtent.width() / newExtent.height()
if currentWidthHeightRatio < newWidthHeightRatio:
#enlarge height of new extent, ensuring the map center stays the same
newHeight = newExtent.width() / currentWidthHeightRatio
deltaHeight = newHeight - newExtent.height()
newExtent.setYMinimum(newExtent.yMinimum() - deltaHeight / 2)
newExtent.setYMaximum(newExtent.yMaximum() + deltaHeight / 2)
else:
#enlarge width of new extent, ensuring the map center stays the same
newWidth = currentWidthHeightRatio * newExtent.height()
deltaWidth = newWidth - newExtent.width()
newExtent.setXMinimum(newExtent.xMinimum() - deltaWidth / 2)
newExtent.setXMaximum(newExtent.xMaximum() + deltaWidth / 2)
composerMap.beginCommand("Map extent changed")
composerMap.setNewExtent(newExtent)
composerMap.endCommand()
# composerMap.setNewScale(3500)
composerMap.setFrameEnabled(True)
composerMap.setFrameOutlineWidth(1.0)
composerMap.setPreviewMode(QgsComposerMap.Render)
composerMap.updateCachedImage()
composerMap.setGridEnabled(True)
composerMap.setGridPenColor(QColor(255, 255, 255, 0))
composerMap.setGridPenWidth(0.0)
#composerMap.setGridStyle(QgsComposerMap.FrameAnnotationsOnly)
composerMap.setGridIntervalX(1.0)
composerMap.setGridIntervalY(1.0)
# mySymbol1 = composerMap.gridLineSymbol ()
# mySymbol1.setAlpha(0)
#composerMap.setGridLineSymbol(mySymbol1)
composerMap.setShowGridAnnotation(True)
composerMap.setGridAnnotationFormat(1)
composerMap.setGridAnnotationPrecision(0)
composerMap.setGridAnnotationDirection(1, 0)
composerMap.setGridAnnotationDirection(1, 1)
comp.addItem(composerMap)
w = int((paperWidth - 40) / 3)
self.txt8 = QgsComposerLabel(comp)
self.txt8.setItemPosition(20, 225)
self.txt8.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt8.setFont(font)
self.txt8.setText(setData["TextData"][7])
self.txt8.adjustSizeToText()
comp.addItem(self.txt8)
self.txt9 = QgsComposerLabel(comp)
self.txt9.setItemPosition(20 + w, 225)
self.txt9.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt9.setFont(font)
self.txt9.setText(setData["TextData"][8])
self.txt9.adjustSizeToText()
comp.addItem(self.txt9)
self.txt10 = QgsComposerLabel(comp)
self.txt10.setItemPosition(20 + w * 2, 225)
self.txt10.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt10.setFont(font)
self.txt10.setText(setData["TextData"][9])
self.txt10.adjustSizeToText()
comp.addItem(self.txt10)
# profileRect = QgsComposerPicture(comp)
# profileRect.setItemPosition(20, 200, paperWidth - 40, 50)
# comp.addItem(profileRect)
self.txt11 = QgsComposerLabel(comp)
self.txt11.setItemPosition(20, paperHeight - 30)
self.txt11.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt11.setFont(font)
self.txt11.setText(setData["TextData"][10])
self.txt11.adjustSizeToText()
comp.addItem(self.txt11)
self.txt12 = QgsComposerLabel(comp)
self.txt12.setItemPosition(20 + w, paperHeight - 30)
self.txt12.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt12.setFont(font)
self.txt12.setText(setData["TextData"][11])
self.txt12.adjustSizeToText()
comp.addItem(self.txt12)
self.txt13 = QgsComposerLabel(comp)
self.txt13.setItemPosition(20 + w * 2, paperHeight - 30)
self.txt13.setFrameEnabled(False)
font = QFont("Arial", 10)
self.txt13.setFont(font)
self.txt13.setText(setData["TextData"][12])
self.txt13.adjustSizeToText()
comp.addItem(self.txt13)
# gpw = QGraphicsProxyWidget()
self.tblView = QTableView()
tableHeight = None
tableWidth = None
if self.tableChangedValue == None:
self.tblView.setFixedWidth(paperWidth - 40)
tableHeight = 50
tableWidth = paperWidth - 40
self.tblView.setFixedHeight(tableHeight)
else:
self.tblView.setFixedWidth(self.tableChangedValue["Width"])
self.tblView.setFixedHeight(self.tableChangedValue["Height"])
tableHeight = self.tableChangedValue["Height"]
tableWidth = self.tableChangedValue["Width"]
self.tblView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.tblView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
hHeder = self.tblView.horizontalHeader()
hHeder.setVisible(False)
vHeder = self.tblView.verticalHeader()
vHeder.setVisible(False)
# if flag:
self.stdModel = QStandardItemModel()
self.data.__setitem__("TableWidth", tableWidth)
self.data.__setitem__("TableHeight", tableHeight)
self.setTableView(self.tblView, self.stdModel, self.data)
self.calcALT()
self.calcTimeRate()
self.gpw = QGraphicsProxyWidget()
self.gpw.setWidget(self.tblView)
# gpw.setWidget(tblView)
if self.tableChangedValue == None:
self.gpw.setPos(20, 210)
font = QFont()
font.setPixelSize(2)
self.gpw.setFont(font)
else:
self.gpw.setPos(self.tableChangedValue["X"],
self.tableChangedValue["Y"])
font = QFont()
font.setPixelSize(self.tableChangedValue["FontSize"])
self.gpw.setFont(font)
# tblView.setFrameRect(QRect(20, 210, paperWidth - 40, 50))
comp.addItem(self.gpw)
self.connect(self.stdModel, SIGNAL("itemChanged(QStandardItem *)"),
self.stdModel_itemChanged)
return comp
def drawMap(self, theTopOffset):
"""Add a map to the composition and return the compsermap instance.
Args:
theTopOffset - vertical offset at which the map should be drawn
Returns:
A QgsComposerMap instance is returned
Raises:
None
"""
LOGGER.debug('InaSAFE Map drawMap called')
myMapWidth = self.mapWidth
myComposerMap = QgsComposerMap(self.composition, self.pageMargin,
theTopOffset, myMapWidth,
self.mapHeight)
#myExtent = self.iface.mapCanvas().extent()
# The dimensions of the map canvas and the print compser map may
# differ. So we set the map composer extent using the canvas and
# then defer to the map canvas's map extents thereafter
# Update: disabled as it results in a rectangular rather than
# square map
#myComposerMap.setNewExtent(myExtent)
myComposerExtent = myComposerMap.extent()
# Recenter the composer map on the center of the canvas
# Note that since the composer map is square and the canvas may be
# arbitrarily shaped, we center based on the longest edge
myCanvasExtent = self.iface.mapCanvas().extent()
myWidth = myCanvasExtent.width()
myHeight = myCanvasExtent.height()
myLongestLength = myWidth
if myWidth < myHeight:
myLongestLength = myHeight
myHalfLength = myLongestLength / 2
myCenter = myCanvasExtent.center()
myMinX = myCenter.x() - myHalfLength
myMaxX = myCenter.x() + myHalfLength
myMinY = myCenter.y() - myHalfLength
myMaxY = myCenter.y() + myHalfLength
mySquareExtent = QgsRectangle(myMinX, myMinY, myMaxX, myMaxY)
myComposerMap.setNewExtent(mySquareExtent)
myComposerMap.setGridEnabled(True)
myNumberOfSplits = 5
# .. todo:: Write logic to adjust preciosn so that adjacent tick marks
# always have different displayed values
myPrecision = 2
myXInterval = myComposerExtent.width() / myNumberOfSplits
myComposerMap.setGridIntervalX(myXInterval)
myYInterval = myComposerExtent.height() / myNumberOfSplits
myComposerMap.setGridIntervalY(myYInterval)
myComposerMap.setGridStyle(QgsComposerMap.Cross)
myCrossLengthMM = 1
myComposerMap.setCrossLength(myCrossLengthMM)
myComposerMap.setZValue(0) # To ensure it does not overlay logo
myFontSize = 6
myFontWeight = QtGui.QFont.Normal
myItalicsFlag = False
myFont = QtGui.QFont('verdana', myFontSize, myFontWeight,
myItalicsFlag)
myComposerMap.setGridAnnotationFont(myFont)
myComposerMap.setGridAnnotationPrecision(myPrecision)
myComposerMap.setShowGridAnnotation(True)
myComposerMap.setGridAnnotationDirection(
QgsComposerMap.BoundaryDirection)
self.composition.addItem(myComposerMap)
self.drawGraticuleMask(theTopOffset)
return myComposerMap
def exportToPdf(self, print_context, targetFile=None):
self.iface.mapCanvas().setDestinationCrs(
self.settings_instance.projection.crs())
myComposition = QgsComposition(self.iface.mapCanvas().mapSettings())
template = self.env.get_template(print_context['template'])
custom_qpt = template.render(CONTEXT=print_context)
myDocument = QDomDocument()
myDocument.setContent(custom_qpt)
myComposition.loadFromTemplate(myDocument)
suggestedFile = os.path.join(
self.settings_instance.projectFolderPath.text(),
print_context['title'] + ".pdf")
if not targetFile:
targetFile = QFileDialog.getSaveFileName(
None, "Export " + print_context['job'], suggestedFile, "*.pdf")
interactive = True
if not targetFile:
return
else:
interactive = None
outputDir = tempfile.gettempdir()
with open(os.path.join(targetFile + '.qpt'), "wb") as qpt_file:
qpt_file.write(custom_qpt)
if print_context['type'] == 'report':
myComposition.exportAsPDF(targetFile)
elif print_context['type'] == 'map':
print myComposition.getComposerMapById(0)
print myComposition.getComposerItemById('5')
for composer_map in myComposition.composerMapItems():
print composer_map, composer_map.id()
fdtm_extent = None
for layer in [
self.settings_instance.EPpLayer,
self.settings_instance.EApLayer,
self.settings_instance.WRLayer,
self.settings_instance.WDSLayer
]:
if layer.featureCount() > 0:
if fdtm_extent:
fdtm_extent.combineExtentWith(layer.extent())
else:
fdtm_extent = layer.extent()
fdtm_extent.scale(1.1)
composer_map.zoomToExtent(fdtm_extent)
composer_map.updateItem()
myComposition.refreshItems()
myComposition.exportAsPDF(targetFile)
elif print_context['type'] == 'mapppp':
print print_context
myComposition = QgsComposition(
self.iface.mapCanvas().mapSettings())
myComposition.setPlotStyle(QgsComposition.Print)
myComposition.setPaperSize(297, 210)
composer_map = QgsComposerMap(myComposition, 10, 10, 190, 190)
fdtm_extent = self.settings_instance.EPpLayer.extent()
for layer in [
self.settings_instance.EApLayer,
self.settings_instance.WRLayer,
self.settings_instance.WDSLayer
]:
fdtm_extent.combineExtentWith(layer.extent())
composer_map.zoomToExtent(fdtm_extent)
composer_map.updateItem()
myComposition.addItem(composer_map)
table = QgsComposerAttributeTable(myComposition)
table.setItemPosition(205, 170)
table.setVectorLayer(QgsMapLayerRegistry.instance().mapLayer(
print_context['id']))
table.setMaximumNumberOfFeatures(20)
table.setFilterFeatures(True)
col1 = QgsComposerTableColumn()
col1.setAttribute('types')
col1.setHeading("types")
col2 = QgsComposerTableColumn()
col2.setAttribute('project units')
col2.setHeading("project units")
col3 = QgsComposerTableColumn()
col3.setAttribute('Areas')
col3.setHeading("Areas")
col4 = QgsComposerTableColumn()
col4.setAttribute('Lengths')
col4.setHeading("Lengths")
col5 = QgsComposerTableColumn()
col5.setAttribute('Cost')
col5.setHeading("Cost")
table.setColumns([col1, col2, col3, col4, col5])
myComposition.addItem(table)
myComposition.exportAsPDF(targetFile)
elif print_context['type'] == 'atlas':
myComposition.setAtlasMode(QgsComposition.ExportAtlas)
for composer_map in myComposition.composerMapItems():
print composer_map, composer_map.id()
atlas = myComposition.atlasComposition()
atlas.setComposerMap(composer_map) #DEPRECATED
atlas.setPredefinedScales(self.PREDEFINED_SCALES)
composer_map.setAtlasDriven(True)
composer_map.setAtlasScalingMode(QgsComposerMap.Predefined)
atlas.beginRender()
rendered_pdf = []
progress = progressBar(self, "exporting " + print_context['job'],
atlas.numFeatures())
for i in range(0, atlas.numFeatures()):
atlas.prepareForFeature(i)
current_filename = atlas.currentFilename()
file_name = '_'.join(current_filename.split())
file_path = '%s.pdf' % file_name
path = os.path.join(outputDir, file_path)
myComposition.exportAsPDF(path)
rendered_pdf.append(path)
progress.setStep(i)
progress.stop(print_context['job'] + "exported to " + targetFile)
atlas.endRender()
merge_pdfs(rendered_pdf, targetFile)
if interactive:
open_file(targetFile)
return targetFile
def draw_map(self, top_offset):
"""Add a map to the composition and return the composer map instance.
:param top_offset: Vertical offset at which the logo should be drawn.
:type top_offset: int
:returns: The composer map.
:rtype: QgsComposerMap
"""
LOGGER.debug('InaSAFE Map drawMap called')
map_width = self.mapWidth
composer_map = QgsComposerMap(self.composition, self.page_margin,
top_offset, map_width, self.map_height)
#myExtent = self.iface.mapCanvas().extent()
# The dimensions of the map canvas and the print composer map may
# differ. So we set the map composer extent using the canvas and
# then defer to the map canvas's map extents thereafter
# Update: disabled as it results in a rectangular rather than
# square map
#composer_map.setNewExtent(myExtent)
composer_extent = composer_map.extent()
# Recenter the composer map on the center of the canvas
# Note that since the composer map is square and the canvas may be
# arbitrarily shaped, we center based on the longest edge
canvas_extent = self.iface.mapCanvas().extent()
width = canvas_extent.width()
height = canvas_extent.height()
longest_length = width
if width < height:
longest_length = height
half_length = longest_length / 2
center = canvas_extent.center()
min_x = center.x() - half_length
max_x = center.x() + half_length
min_y = center.y() - half_length
max_y = center.y() + half_length
square_extent = QgsRectangle(min_x, min_y, max_x, max_y)
composer_map.setNewExtent(square_extent)
composer_map.setGridEnabled(True)
split_count = 5
# .. todo:: Write logic to adjust precision so that adjacent tick marks
# always have different displayed values
precision = 2
x_interval = composer_extent.width() / split_count
composer_map.setGridIntervalX(x_interval)
y_interval = composer_extent.height() / split_count
composer_map.setGridIntervalY(y_interval)
composer_map.setGridStyle(QgsComposerMap.Cross)
cross_length_mm = 1
composer_map.setCrossLength(cross_length_mm)
composer_map.setZValue(0) # To ensure it does not overlay logo
font_size = 6
font_weight = QtGui.QFont.Normal
italics_flag = False
font = QtGui.QFont('verdana', font_size, font_weight, italics_flag)
composer_map.setGridAnnotationFont(font)
composer_map.setGridAnnotationPrecision(precision)
composer_map.setShowGridAnnotation(True)
composer_map.setGridAnnotationDirection(
QgsComposerMap.BoundaryDirection, QgsComposerMap.Top)
self.composition.addItem(composer_map)
self.draw_graticule_mask(top_offset)
return composer_map
