本文整理汇总了Python中qgis.core.QgsPalLayerSettings.setFormat方法的典型用法代码示例。如果您正苦于以下问题:Python QgsPalLayerSettings.setFormat方法的具体用法?Python QgsPalLayerSettings.setFormat怎么用?Python QgsPalLayerSettings.setFormat使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsPalLayerSettings
的用法示例。
在下文中一共展示了QgsPalLayerSettings.setFormat方法的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: defaultLayerSettings
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
def defaultLayerSettings(self):
lyr = QgsPalLayerSettings()
lyr.fieldName = 'text' # default in test data sources
font = self.getTestFont()
font.setPointSize(32)
format = lyr.format()
format.setFont(font)
format.setNamedStyle('Roman')
format.setSize(32)
format.setSizeUnit(QgsUnitTypes.RenderPoints)
format.buffer().setJoinStyle(Qt.BevelJoin)
lyr.setFormat(format)
return lyr
示例2: checkLabeledLayerWithBlendModesCannotBeCached
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
def checkLabeledLayerWithBlendModesCannotBeCached(self, job_type):
""" any labeled layer utilising blending modes cannot be cached"""
layer = QgsVectorLayer("Point?field=fldtxt:string",
"layer1", "memory")
labelSettings = QgsPalLayerSettings()
labelSettings.fieldName = "fldtxt"
layer.setLabeling(QgsVectorLayerSimpleLabeling(labelSettings))
layer.setLabelsEnabled(True)
layer2 = QgsVectorLayer("Point?field=fldtxt:string",
"layer2", "memory")
labelSettings2 = QgsPalLayerSettings()
labelSettings2.fieldName = "fldtxt"
format2 = QgsTextFormat()
format2.setBlendMode(QPainter.CompositionMode_SourceIn)
labelSettings2.setFormat(format2)
layer2.setLabeling(QgsVectorLayerSimpleLabeling(labelSettings2))
layer2.setLabelsEnabled(True)
settings = QgsMapSettings()
settings.setExtent(QgsRectangle(5, 25, 25, 45))
settings.setOutputSize(QSize(600, 400))
settings.setLayers([layer, layer2])
# with cache - cache should not be populated!
cache = QgsMapRendererCache()
job = job_type(settings)
job.setCache(cache)
job.start()
job.waitForFinished()
self.assertFalse(job.usedCachedLabels())
self.assertFalse(cache.hasCacheImage('_labels_'))
self.assertTrue(job.takeLabelingResults())
# second job should also not be able to use label cache
job = job_type(settings)
job.setCache(cache)
job.start()
job.waitForFinished()
# shouldn't use cache
self.assertFalse(job.usedCachedLabels())
# and results should not have been cached
self.assertFalse(cache.hasCacheImage('_labels_'))
self.assertTrue(job.takeLabelingResults())
示例3: TestPointBase
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
class TestPointBase(object):
def __init__(self):
"""Dummy assignments, intended to be overridden in subclasses"""
self.lyr = QgsPalLayerSettings()
""":type: QgsPalLayerSettings"""
# noinspection PyArgumentList
self._TestFont = QFont() # will become a standard test font
self._Canvas = None
""":type: QgsMapCanvas"""
# custom mismatches per group/test (should not mask any needed anomaly)
# e.g. self._Mismatches['TestClassName'] = 300
# check base output class's checkTest() or sublcasses for any defaults
self._Mismatches = dict()
# custom color tolerances per group/test: 1 - 20 (0 default, 20 max)
# (should not mask any needed anomaly)
# e.g. self._ColorTols['TestClassName'] = 10
# check base output class's checkTest() or sublcasses for any defaults
self._ColorTols = dict()
# noinspection PyMethodMayBeStatic
def checkTest(self, **kwargs):
"""Intended to be overridden in subclasses"""
pass
def test_default_label(self):
# Default label placement, with text size in points
self._Mismatches['TestCanvasPoint'] = 776
self._ColorTols['TestComposerPdfPoint'] = 2
self.checkTest()
def test_text_size_map_unit(self):
# Label text size in map units
format = self.lyr.format()
format.setSizeUnit(QgsUnitTypes.RenderMapUnits)
format.setSize(460)
font = QFont(self._TestFont)
format.setFont(font)
self.lyr.setFormat(format)
self._Mismatches['TestCanvasPoint'] = 776
self._ColorTols['TestComposerPdfPoint'] = 2
self.checkTest()
def test_text_color(self):
self._Mismatches['TestCanvasPoint'] = 774
self._ColorTols['TestComposerPdfPoint'] = 2
# Label color change
format = self.lyr.format()
format.setColor(Qt.blue)
self.lyr.setFormat(format)
self.checkTest()
def test_background_rect(self):
self._Mismatches['TestComposerImageVsCanvasPoint'] = 800
self._Mismatches['TestComposerImagePoint'] = 800
format = self.lyr.format()
format.background().setEnabled(True)
self.lyr.setFormat(format)
self._Mismatches['TestCanvasPoint'] = 776
self._ColorTols['TestComposerPdfPoint'] = 1
self.checkTest()
def test_background_rect_w_offset(self):
# Label rectangular background
self._Mismatches['TestComposerImageVsCanvasPoint'] = 800
self._Mismatches['TestComposerImagePoint'] = 800
# verify fix for issues
# https://issues.qgis.org/issues/9057
# http://gis.stackexchange.com/questions/86900
format = self.lyr.format()
format.setSizeUnit(QgsUnitTypes.RenderMapUnits)
format.setSize(460)
font = QFont(self._TestFont)
format.setFont(font)
format.background().setEnabled(True)
format.background().setOffsetUnit(QgsUnitTypes.RenderMapUnits)
format.background().setOffset(QPointF(-2900.0, -450.0))
self.lyr.setFormat(format)
self._Mismatches['TestCanvasPoint'] = 774
self._ColorTols['TestComposerPdfPoint'] = 2
self.checkTest()
def test_background_svg(self):
# Label SVG background
format = self.lyr.format()
format.setSizeUnit(QgsUnitTypes.RenderMapUnits)
format.setSize(460)
font = QFont(self._TestFont)
format.setFont(font)
format.background().setEnabled(True)
format.background().setType(QgsTextBackgroundSettings.ShapeSVG)
svg = os.path.join(
svgSymbolsPath(), 'backgrounds', 'background_square.svg')
format.background().setSvgFile(svg)
#.........这里部分代码省略.........
示例4: testBlockingItems
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
def testBlockingItems(self):
"""
Test rendering map item with blocking items
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
map.setId('map')
layout.addLayoutItem(map)
map2 = QgsLayoutItemMap(layout)
map2.attemptSetSceneRect(QRectF(0, 5, 50, 80))
map2.setFrameEnabled(True)
map2.setBackgroundEnabled(False)
map2.setId('map2')
layout.addLayoutItem(map2)
map3 = QgsLayoutItemMap(layout)
map3.attemptSetSceneRect(QRectF(150, 160, 50, 50))
map3.setFrameEnabled(True)
map3.setBackgroundEnabled(False)
map3.setId('map3')
layout.addLayoutItem(map3)
map.addLabelBlockingItem(map2)
map.addLabelBlockingItem(map3)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_blockers', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
doc = QDomDocument("testdoc")
elem = layout.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
map_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map'][0]
map2_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map2'][0]
map3_restore = [i for i in l2.items() if isinstance(i, QgsLayoutItemMap) and i.id() == 'map3'][0]
self.assertTrue(map_restore.isLabelBlockingItem(map2_restore))
self.assertTrue(map_restore.isLabelBlockingItem(map3_restore))
示例5: testPartialLabels
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
def testPartialLabels(self):
"""
Test rendering map item with a show partial labels flag
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
# default should always be to hide partial labels
self.assertFalse(map.mapFlags() & QgsLayoutItemMap.ShowPartialLabels)
# hiding partial labels (the default)
map.setMapFlags(QgsLayoutItemMap.MapItemFlags())
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# showing partial labels
map.setMapFlags(QgsLayoutItemMap.ShowPartialLabels)
checker = QgsLayoutChecker('composermap_show_partial_labels', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
示例6: testLabelMargin
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
def testLabelMargin(self):
"""
Test rendering map item with a label margin set
"""
format = QgsTextFormat()
format.setFont(QgsFontUtils.getStandardTestFont("Bold"))
format.setSize(20)
format.setNamedStyle("Bold")
format.setColor(QColor(0, 0, 0))
settings = QgsPalLayerSettings()
settings.setFormat(format)
settings.fieldName = "'X'"
settings.isExpression = True
settings.placement = QgsPalLayerSettings.OverPoint
vl = QgsVectorLayer("Point?crs=epsg:4326&field=id:integer", "vl", "memory")
vl.setRenderer(QgsNullSymbolRenderer())
f = QgsFeature(vl.fields(), 1)
for x in range(15):
for y in range(15):
f.setGeometry(QgsPoint(x, y))
vl.dataProvider().addFeature(f)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
vl.setLabelsEnabled(True)
p = QgsProject()
engine_settings = QgsLabelingEngineSettings()
engine_settings.setFlag(QgsLabelingEngineSettings.UsePartialCandidates, False)
engine_settings.setFlag(QgsLabelingEngineSettings.DrawLabelRectOnly, True)
p.setLabelingEngineSettings(engine_settings)
p.addMapLayer(vl)
layout = QgsLayout(p)
layout.initializeDefaults()
p.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(10, 10, 180, 180))
map.setFrameEnabled(True)
map.zoomToExtent(vl.extent())
map.setLayers([vl])
layout.addLayoutItem(map)
checker = QgsLayoutChecker('composermap_label_nomargin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(QgsLayoutMeasurement(15, QgsUnitTypes.LayoutMillimeters))
checker = QgsLayoutChecker('composermap_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setLabelMargin(QgsLayoutMeasurement(3, QgsUnitTypes.LayoutCentimeters))
checker = QgsLayoutChecker('composermap_label_cm_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
map.setMapRotation(45)
map.zoomToExtent(vl.extent())
map.setScale(map.scale() * 1.2)
checker = QgsLayoutChecker('composermap_rotated_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
# data defined
map.setMapRotation(0)
map.zoomToExtent(vl.extent())
map.dataDefinedProperties().setProperty(QgsLayoutObject.MapLabelMargin, QgsProperty.fromExpression('1+3'))
map.refresh()
checker = QgsLayoutChecker('composermap_dd_label_margin', layout)
checker.setControlPathPrefix("composer_map")
result, message = checker.testLayout()
self.report += checker.report()
self.assertTrue(result, message)
示例7: save_pois_points
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
#.........这里部分代码省略.........
email = point["email"]
else: email= ""
#address
if "address" in list(point['location'].keys()):
if "street" in list(point['location']["address"].keys()):
straat = point['location']["address"]["street"]
else: straat = ''
if "streetnumber" in list(point['location']["address"].keys()):
huisnr = point['location']["address"]["streetnumber"]
else: huisnr = ''
if "boxnumber" in list(point['location']["address"].keys()):
busnr = point['location']["address"]["boxnumber"]
else: boxnr = ''
postcode = point['location']["address"]["postalcode"]
gemeente = point['location']["address"]["municipality"]
else:
straat = ""
huisnr = ""
busnr = ""
postcode = ""
gemeente = ""
if "links" in point:
link = point["links"][0]['href']
else: link = ""
tijd = point["updated"]
if "authors" in point:
owner = point["authors"][0]["value"]
else: owner= ""
# add a feature
fet = QgsFeature(fields)
#set geometry
fromCrs = QgsCoordinateReferenceSystem(4326)
xform = QgsCoordinateTransform( fromCrs, self.poilayer.crs(), QgsProject.instance() )
prjPt = xform.transform( pt )
fet.setGeometry(QgsGeometry.fromPointXY(prjPt))
fet['id'] = int( poiId )
fet['thema'] = theme
fet['categorie'] = category
fet['type'] = poiType
fet['naam'] = name
fet["email"] = email
fet["telefoon"] = phone
#address
fet['straat'] = straat
fet['huisnr'] = huisnr
fet['busnr'] = busnr
fet['postcode'] = postcode
fet['gemeente'] = gemeente
fet['link'] = link
fet['lastupdate'] = tijd
fet['owner'] = owner
self.poiProvider.addFeatures([ fet ])
self.poilayer.updateExtents()
if saveToFile and not QgsProject.instance().mapLayer(self.poilayerid):
save = self._saveToFile( sender, startFolder )
if save:
fpath, flType = save
error, msg = QgsVectorFileWriter.writeAsVectorFormat(self.poilayer,fileName=fpath, fileEncoding="utf-8", driverName=flType )
if error == QgsVectorFileWriter.NoError:
self.poilayer = QgsVectorLayer( fpath , layername, "ogr")
self.poiProvider = self.poilayer.dataProvider()
else:
del self.poilayer, self.poiProvider
raise Exception( msg )
else:
del self.poilayer, self.poiProvider
return
# add Labels
text_format = QgsTextFormat()
text_format.setSize(12)
buffer_settings = QgsTextBufferSettings()
buffer_settings.setEnabled(True)
buffer_settings.setSize(1)
buffer_settings.setColor(QColor("white"))
palyr = QgsPalLayerSettings()
text_format.setBuffer(buffer_settings)
palyr.setFormat(text_format)
palyr.enabled = True
palyr.fieldName = 'naam'
palyr.placement = QgsPalLayerSettings.Free
self.poilayer.setLabelsEnabled(True)
self.poilayer.setLabeling( QgsVectorLayerSimpleLabeling(palyr) )
# add layer if not already
QgsProject.instance().addMapLayer(self.poilayer)
# store layer id and refresh
self.poilayerid = self.poilayer.id()
self.canvas.refresh()
示例8: save_adres_point
# 需要导入模块: from qgis.core import QgsPalLayerSettings [as 别名]
# 或者: from qgis.core.QgsPalLayerSettings import setFormat [as 别名]
def save_adres_point(self, point, address, typeAddress='', layername="Geopunt_adres", saveToFile=False, sender=None, startFolder=None ):
attributes = [QgsField("adres", QVariant.String), QgsField("type", QVariant.String)]
mapcrs = self.getGetMapCrs(self.iface)
if not QgsProject.instance().mapLayer(self.adreslayerid):
self.adreslayer = QgsVectorLayer("Point", layername, "memory")
self.adresProvider = self.adreslayer.dataProvider()
self.adresProvider.addAttributes(attributes)
self.adreslayer.updateFields()
# add a feature
fields= self.adreslayer.fields()
fet = QgsFeature(fields)
#set geometry and project from mapCRS
xform = QgsCoordinateTransform( mapcrs, self.adreslayer.crs(), QgsProject.instance() )
prjPoint = xform.transform( point )
fet.setGeometry(QgsGeometry.fromPointXY(prjPoint))
#populate fields
fet['adres'] = address
fet['type'] = typeAddress
self.adresProvider.addFeatures([ fet ])
""
# update layer's extent when new features have been added
# because change of extent in provider is not propagated to the layer
self.adreslayer.updateExtents()
# save memoryLAYER to file and replace all references
if saveToFile and not QgsProject.instance().mapLayer(self.adreslayerid):
save = self._saveToFile( sender, startFolder )
if save:
fpath, flType = save
error, msg = QgsVectorFileWriter.writeAsVectorFormat(self.adreslayer, fileName=fpath, fileEncoding="utf-8", driverName=flType)
if error == QgsVectorFileWriter.NoError:
self.adreslayer = QgsVectorLayer( fpath, layername, "ogr")
self.adresProvider = self.adreslayer.dataProvider()
else:
del self.adreslayer, self.adresProvider
return
else:
del self.adreslayer, self.adresProvider
return
# add to map
QgsProject.instance().addMapLayer(self.adreslayer)
#labels
text_format = QgsTextFormat()
text_format.setSize(12)
buffer_settings = QgsTextBufferSettings()
buffer_settings.setEnabled(True)
buffer_settings.setSize(1)
buffer_settings.setColor(QColor("white"))
palyr = QgsPalLayerSettings()
text_format.setBuffer(buffer_settings)
palyr.setFormat(text_format)
palyr.enabled = True
palyr.fieldName = 'adres'
palyr.placement = QgsPalLayerSettings.Free
self.adreslayer.setLabelsEnabled(True)
self.adreslayer.setLabeling( QgsVectorLayerSimpleLabeling(palyr) )
# store layer id and refresh
self.adreslayerid = self.adreslayer.id()
self.canvas.refresh()