本文整理汇总了Python中qgis.core.QgsVectorLayer.loadNamedStyle方法的典型用法代码示例。如果您正苦于以下问题:Python QgsVectorLayer.loadNamedStyle方法的具体用法?Python QgsVectorLayer.loadNamedStyle怎么用?Python QgsVectorLayer.loadNamedStyle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.QgsVectorLayer
的用法示例。
在下文中一共展示了QgsVectorLayer.loadNamedStyle方法的15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: _loadLayer
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def _loadLayer(self):
fName = self.leOutputShape.text()
layer = QgsVectorLayer(fName, QFileInfo(fName).baseName(), "ogr")
if layer.isValid():
layer.loadNamedStyle(os.path.join(pluginPath, "resources", "photos.qml"))
QgsMapLayerRegistry.instance().addMapLayer(layer)
else:
self.iface.messageBar().pushWarning(self.tr("No output"), self.tr("Cannot load output shapefile"))
示例2: special_search
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def special_search(self, easter_code="isogeo"):
"""Make some special actions in certains cases.
:param str easter_code: easter egg label. Available values:
* isogeo: display Isogeo logo and zoom in our office location
* picasa: change QGS project title
"""
canvas = iface.mapCanvas()
if easter_code == "isogeo":
# WMS
wms_params = {"service": "WMS",
"version": "1.3.0",
"request": "GetMap",
"layers": "Isogeo:isogeo_logo",
"crs": "EPSG:3857",
"format": "image/png",
"styles": "isogeo_logo",
"url": "http://noisy.hq.isogeo.fr:6090/geoserver/Isogeo/ows?"
}
wms_uri = unquote(urlencode(wms_params))
wms_lyr = QgsRasterLayer(wms_uri, u"Ici c'est Isogeo !", "wms")
if wms_lyr.isValid:
QgsMapLayerRegistry.instance().addMapLayer(wms_lyr)
logger.info("Isogeo easter egg used and WMS displayed!")
else:
logger.error("WMS layer failed: {}"
.format(wms_lyr.error().message()))
# WFS
uri = QgsDataSourceURI()
uri.setParam("url", "http://noisy.hq.isogeo.fr:6090/geoserver/Isogeo/ows?")
uri.setParam("service", "WFS")
uri.setParam("version", "1.1.0")
uri.setParam("typename", "Isogeo:isogeo_logo")
uri.setParam("srsname", "EPSG:3857")
uri.setParam("restrictToRequestBBOX", "0")
wfs_uri = uri.uri()
wfs_lyr = QgsVectorLayer(wfs_uri, u"Ici c'est Isogeo !", "WFS")
if wfs_lyr.isValid:
wfs_style = path.join(path.dirname(path.realpath(__file__)),
"isogeo.qml")
wfs_lyr.loadNamedStyle(wfs_style)
QgsMapLayerRegistry.instance().addMapLayer(wfs_lyr)
canvas.setExtent(wfs_lyr.extent())
logger.debug("Isogeo easter egg used")
else:
logger.error("Esater egg - WFS layer failed: {}"
.format(wfs_lyr.error().message()))
elif easter_code == "picasa":
project = QgsProject.instance()
project.setTitle(u"Isogeo, le Picasa de l'information géographique")
logger.debug("Picasa easter egg used")
else:
pass
# ending method
return
示例3: testSingleSymbolNoScaleDependencies
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def testSingleSymbolNoScaleDependencies(self):
layer = QgsVectorLayer("Point", "addfeat", "memory")
mFilePath = QDir.toNativeSeparators('%s/symbol_layer/%s.qml' % (unitTestDataPath(), "singleSymbol"))
layer.loadNamedStyle(mFilePath)
dom, root = self.layerToSld(layer)
# print("No dep on single symbol:" + dom.toString())
self.assertScaleDenominator(root, None, None)
示例4: testCategorizedNoScaleDependencies
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def testCategorizedNoScaleDependencies(self):
layer = QgsVectorLayer("Polygon", "addfeat", "memory")
mFilePath = QDir.toNativeSeparators('%s/symbol_layer/%s.qml' % (unitTestDataPath(), "categorized"))
layer.loadNamedStyle(mFilePath)
dom, root = self.layerToSld(layer)
# print("Categorized no scale deps:" + dom.toString())
ruleCount = root.elementsByTagName('se:Rule').size()
for i in range(0, ruleCount):
self.assertScaleDenominator(root, None, None, i)
示例5: get_layer
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def get_layer(self, type):
uri = 'point?crs=epsg:4326&field=id:string&field=type:string&field=number:string&field=time:string'
new_lyr = QgsVectorLayer(uri, 'Yandex Transport', 'memory')
layer_style_path = path.join(path.dirname(__file__), 'styles/', 'all.qml')
if path.isfile(layer_style_path):
new_lyr.loadNamedStyle(layer_style_path)
self._layer_registry.append(new_lyr)
self._updater.paused = not len(self._layer_registry)
return new_lyr
示例6: _loadLayer
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def _loadLayer(self):
fName = self.fwOutputShape.filePath()
layer = QgsVectorLayer(fName, os.path.basename(fName), "ogr")
if layer.isValid():
layer.loadNamedStyle(
os.path.join(pluginPath, "resources", "photos.qml"))
QgsProject.instance().addMapLayer(layer)
else:
self.iface.messageBar().pushWarning(
self.tr("No output"),
self.tr("Can not load output file."))
示例7: show
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def show(filePath,stylePath):
"""show csv as layer"""
uri = "file:" + 3*os.path.sep + filePath + "?crs=%s&delimiter=%s&xField=%s&yField=%s&decimal=%s" % ("EPSG:4326",",", "Lon_deg", "Lat_deg", ".")
uri = os.path.join(uri).replace('\\','/')
layerName = filePath.rsplit(os.path.sep,1)
layerName = layerName[1][:-4]
layer = QgsVectorLayer(uri, layerName, "delimitedtext")
if stylePath:
stylePath = os.path.join(stylePath).replace('\\','/')
layer.loadNamedStyle(stylePath)
QgsMapLayerRegistry.instance().addMapLayer(layer)
示例8: testSingleSymbolScaleDependencies
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def testSingleSymbolScaleDependencies(self):
layer = QgsVectorLayer("Point", "addfeat", "memory")
mFilePath = QDir.toNativeSeparators('%s/symbol_layer/%s.qml' % (unitTestDataPath(), "singleSymbol"))
layer.loadNamedStyle(mFilePath)
layer.setMaximumScale(1000)
layer.setMinimumScale(500000)
layer.setScaleBasedVisibility(True)
dom, root = self.layerToSld(layer)
# print("Scale dep on single symbol:" + dom.toString())
self.assertScaleDenominator(root, '1000', '500000')
示例9: loadEDGVLayer
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def loadEDGVLayer(self, uri, layer_name, provider):
vlayer = QgsVectorLayer(uri.uri(), layer_name, provider)
vlayer.setCrs(self.crs)
QgsMapLayerRegistry.instance().addMapLayer(vlayer) #added due to api changes
if self.isSpatialite and (self.dbVersion == '3.0' or self.dbVersion == '2.1.3'):
lyr = '_'.join(layer_name.replace('\r', '').split('_')[1::])
else:
lyr = layer_name.replace('\r','')
vlayerQml = os.path.join(self.qmlPath, lyr+'.qml')
vlayer.loadNamedStyle(vlayerQml, False)
QgsMapLayerRegistry.instance().addMapLayer(vlayer)
if not vlayer.isValid():
QgsMessageLog.logMessage(vlayer.error().summary(), "DSG Tools Plugin", QgsMessageLog.CRITICAL)
示例10: testCategorizedWithScaleDependencies
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def testCategorizedWithScaleDependencies(self):
layer = QgsVectorLayer("Polygon", "addfeat", "memory")
mFilePath = QDir.toNativeSeparators('%s/symbol_layer/%s.qml' % (unitTestDataPath(), "categorized"))
layer.loadNamedStyle(mFilePath)
layer.setMaximumScale(1000)
layer.setMinimumScale(500000)
layer.setScaleBasedVisibility(True)
dom, root = self.layerToSld(layer)
# print("Categorized with scale deps:" + dom.toString())
ruleCount = root.elementsByTagName('se:Rule').size()
for i in range(0, ruleCount):
self.assertScaleDenominator(root, '1000', '500000', i)
示例11: __add_dkm_layers
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def __add_dkm_layers(self):
dkmgem = self.json_settings.dkm_gemeinde(self.curr_gem_name)
if VRP_DEBUG is True:
QgsMessageLog.logMessage('__add_dkm_layers: {0}'.format(dkmgem.keys()), DLG_CAPTION)
QgsMessageLog.logMessage('__add_dkm_layers: {0}'.format(dkmgem['shpgnr']), DLG_CAPTION)
QgsMessageLog.logMessage('__add_dkm_layers: {0}'.format(dkmgem['qmlgnr']), DLG_CAPTION)
QgsMessageLog.logMessage('__add_dkm_layers: {0}'.format(dkmgem['shpgstk']), DLG_CAPTION)
QgsMessageLog.logMessage('__add_dkm_layers: {0}'.format(dkmgem['qmlgstk']), DLG_CAPTION)
lyr = QgsVectorLayer(dkmgem['shpgstk'], dkmgem['lyrnamegstk'], 'ogr')
lyr.loadNamedStyle(dkmgem['qmlgstk'])
QgsMapLayerRegistry.instance().addMapLayer(lyr)
self.dkm_coverage_layer = lyr
lyr = QgsVectorLayer(dkmgem['shpgnr'], dkmgem['lyrnamegnr'], 'ogr')
lyr.loadNamedStyle(dkmgem['qmlgnr'])
QgsMapLayerRegistry.instance().addMapLayer(lyr)
示例12: load
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def load(fileName, name=None, crs=None, style=None):
"""Loads a layer/table into the current project, given its file.
"""
if fileName is None:
return
prjSetting = None
settings = QSettings()
if crs is not None:
prjSetting = settings.value('/Projections/defaultBehaviour')
settings.setValue('/Projections/defaultBehaviour', '')
if name is None:
name = os.path.split(fileName)[1]
qgslayer = QgsVectorLayer(fileName, name, 'ogr')
if qgslayer.isValid():
if crs is not None and qgslayer.crs() is None:
qgslayer.setCrs(crs, False)
if style is None:
if qgslayer.geometryType() == QGis.Point:
style = ProcessingConfig.getSetting(ProcessingConfig.VECTOR_POINT_STYLE)
elif qgslayer.geometryType() == QGis.Line:
style = ProcessingConfig.getSetting(ProcessingConfig.VECTOR_LINE_STYLE)
else:
style = ProcessingConfig.getSetting(ProcessingConfig.VECTOR_POLYGON_STYLE)
qgslayer.loadNamedStyle(style)
QgsMapLayerRegistry.instance().addMapLayers([qgslayer])
else:
qgslayer = QgsRasterLayer(fileName, name)
if qgslayer.isValid():
if crs is not None and qgslayer.crs() is None:
qgslayer.setCrs(crs, False)
if style is None:
style = ProcessingConfig.getSetting(ProcessingConfig.RASTER_STYLE)
qgslayer.loadNamedStyle(style)
QgsMapLayerRegistry.instance().addMapLayers([qgslayer])
iface.legendInterface().refreshLayerSymbology(qgslayer)
else:
if prjSetting:
settings.setValue('/Projections/defaultBehaviour', prjSetting)
raise RuntimeError('Could not load layer: ' + unicode(fileName)
+ '\nCheck the procesing framework log to look for errors')
if prjSetting:
settings.setValue('/Projections/defaultBehaviour', prjSetting)
return qgslayer
示例13: _append_resource_to_map
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def _append_resource_to_map(self, ngw_resource, parent_resource, summary_extent):
children = ngw_resource.get_children()
wfs_resources = [ch for ch in children if isinstance(ch, NGWWfsService)]
if len(wfs_resources) < 1:
#TODO: show error
return
wfs_resource = wfs_resources[0]
#Serach/Add group
toc_root = QgsProject.instance().layerTreeRoot()
parent_group = toc_root.findGroup(parent_resource.common.display_name)
if not parent_group:
parent_group = toc_root.insertGroup(0, parent_resource.common.display_name)
layers_group = parent_group.insertGroup(0, ngw_resource.common.display_name)
try:
layers_group.setExpanded(False)
except:
pass
styles_path = path.join(path.dirname(__file__), 'styles/', ngw_resource.common.cls + '/')
#Add layers
for wfs_layer in wfs_resource.wfs.layers:
url = wfs_resource.get_wfs_url(wfs_layer.keyname) + '&srsname=EPSG:3857&VERSION=1.0.0&REQUEST=GetFeature'
qgs_wfs_layer = QgsVectorLayer(url, wfs_layer.display_name, 'WFS')
#summarize extent
self._summ_extent(summary_extent, qgs_wfs_layer)
QgsMapLayerRegistry.instance().addMapLayer(qgs_wfs_layer, False)
toc_layer = layers_group.insertLayer(0, qgs_wfs_layer)
try:
toc_layer.setExpanded(False)
except:
pass
layer_style_path = path.join(styles_path, wfs_layer.keyname + '.qml')
if path.isfile(layer_style_path):
qgs_wfs_layer.loadNamedStyle(layer_style_path)
else:
message = self.tr('Style for layer "%s" (%s) not found!') % (wfs_layer.display_name, wfs_layer.keyname)
QgsMessageLog.logMessage(message, level=QgsMessageLog.WARNING)
self.update_dicts(qgs_wfs_layer)
示例14: test09_Leaflet_json_pnt_single
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def test09_Leaflet_json_pnt_single(self):
"""Leaflet JSON point single (test_qgis2web_dialog.test_Leaflet_json_pnt_single)"""
layer = QgsVectorLayer("/home/travis/build/tomchadwin/qgis2web/test_data/point.shp", "point", "ogr")
if not layer:
print "Layer failed to load!"
registry = QgsMapLayerRegistry.instance()
registry.addMapLayer(layer)
layer.loadNamedStyle("/home/travis/build/tomchadwin/qgis2web/test_data/point_single.qml")
referenceFile = open('/home/travis/build/tomchadwin/qgis2web/test_data/leaflet_json_point_single.html', 'r')
referenceOutput = referenceFile.read()
self.dialog = MainDialog(IFACE)
self.dialog.paramsTreeOL.itemWidget(self.dialog.paramsTreeOL.findItems("Extent",
(Qt.MatchExactly |
Qt.MatchRecursive))[0], 1).setCurrentIndex(1)
self.dialog.leaflet.click()
testFile = open(self.dialog.preview.url().toString().replace("file://",""))
testOutput = testFile.read()
self.assertEqual(testOutput, referenceOutput)
示例15: test26_Leaflet_wfs_poly_graduated
# 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]
# 或者: from qgis.core.QgsVectorLayer import loadNamedStyle [as 别名]
def test26_Leaflet_wfs_poly_graduated(self):
"""Leaflet WFS polygon graduated (test_qgis2web_dialog.test_Leaflet_wfs_poly_graduated)"""
layer = QgsVectorLayer("http://maps.nationalparks.gov.uk/geoserver/wfs?SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&TYPENAME=yorkshire_dales:ydnpa_conservationareas&SRSNAME=EPSG:27700", "polygon", "WFS")
if not layer:
print "Layer failed to load!"
registry = QgsMapLayerRegistry.instance()
registry.addMapLayer(layer)
layer.loadNamedStyle("/home/travis/build/tomchadwin/qgis2web/test_data/wfs_polygon_graduated.qml")
referenceFile = open('/home/travis/build/tomchadwin/qgis2web/test_data/leaflet_wfs_polygon_graduated.html', 'r')
referenceOutput = referenceFile.read()
self.dialog = MainDialog(IFACE)
self.dialog.paramsTreeOL.itemWidget(self.dialog.paramsTreeOL.findItems("Extent",
(Qt.MatchExactly |
Qt.MatchRecursive))[0], 1).setCurrentIndex(1)
self.dialog.leaflet.click()
testFile = open(self.dialog.preview.url().toString().replace("file://",""))
testOutput = testFile.read()
self.assertEqual(testOutput, referenceOutput)