本文整理汇总了Python中qgis.PyQt.QtCore.QVariant.String方法的典型用法代码示例。如果您正苦于以下问题:Python QVariant.String方法的具体用法?Python QVariant.String怎么用?Python QVariant.String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.PyQt.QtCore.QVariant
的用法示例。
在下文中一共展示了QVariant.String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: initAlgorithm
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def initAlgorithm(self, config):
self.addParameter(
QgsProcessingParameterFeatureSource(
self.PrmInputLayer,
'Input vector layer or table',
[QgsProcessing.TypeVector])
)
self.addParameter(
QgsProcessingParameterField(
self.PrmPlusCodesField,
'Field containing Plus Code coordinate',
defaultValue='pluscodes',
parentLayerParameterName=self.PrmInputLayer,
type=QgsProcessingParameterField.String)
)
self.addParameter(
QgsProcessingParameterFeatureSink(
self.PrmOutputLayer,
'Output layer')
)
示例2: addpoint
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def addpoint(self, feature):
if self.cntPt == 0:
f = QgsFields()
f.append(QgsField("name", QVariant.String))
f.append(QgsField("folders", QVariant.String))
f.append(QgsField("description", QVariant.String))
f.append(QgsField("altitude", QVariant.Double))
f.append(QgsField("alt_mode", QVariant.String))
f.append(QgsField("time_begin", QVariant.String))
f.append(QgsField("time_end", QVariant.String))
f.append(QgsField("time_when", QVariant.String))
for item in self.extData:
f.append(QgsField(item, QVariant.String))
(self.sinkPt, self.dest_id_pt) = self.parameterAsSink(
self.parameters,
self.PrmPointOutputLayer, self.context, f,
QgsWkbTypes.PointZ, epsg4326)
self.cntPt += 1
self.sinkPt.addFeature(feature)
示例3: addline
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def addline(self, feature):
if self.cntLine == 0:
f = QgsFields()
f.append(QgsField("name", QVariant.String))
f.append(QgsField("folders", QVariant.String))
f.append(QgsField("description", QVariant.String))
f.append(QgsField("altitude", QVariant.Double))
f.append(QgsField("alt_mode", QVariant.String))
f.append(QgsField("time_begin", QVariant.String))
f.append(QgsField("time_end", QVariant.String))
f.append(QgsField("time_when", QVariant.String))
for item in self.extData:
f.append(QgsField(item, QVariant.String))
(self.sinkLine, self.dest_id_line) = self.parameterAsSink(
self.parameters,
self.PrmLineOutputLayer, self.context, f,
QgsWkbTypes.MultiLineStringZ, epsg4326)
self.cntLine += 1
self.sinkLine.addFeature(feature)
示例4: addpolygon
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def addpolygon(self, feature):
if self.cntPoly == 0:
f = QgsFields()
f.append(QgsField("name", QVariant.String))
f.append(QgsField("folders", QVariant.String))
f.append(QgsField("description", QVariant.String))
f.append(QgsField("altitude", QVariant.Double))
f.append(QgsField("alt_mode", QVariant.String))
f.append(QgsField("time_begin", QVariant.String))
f.append(QgsField("time_end", QVariant.String))
f.append(QgsField("time_when", QVariant.String))
for item in self.extData:
f.append(QgsField(item, QVariant.String))
(self.sinkPoly, self.dest_id_poly) = self.parameterAsSink(
self.parameters,
self.PrmPolygonOutputLayer, self.context, f,
QgsWkbTypes.MultiPolygonZ, epsg4326)
self.cntPoly += 1
self.sinkPoly.addFeature(feature)
示例5: __init__
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def __init__(self, iface, parent):
""" Constructor to initialize the circular heatmap dialog box """
super(HeatmapDialog, self).__init__(parent)
self.setupUi(self)
self.iface = iface
self.canvas = iface.mapCanvas()
self.layerComboBox.setFilters(QgsMapLayerProxyModel.VectorLayer)
self.layerComboBox.layerChanged.connect(self.userSelectsLayer)
self.dtComboBox.setFilters(QgsFieldProxyModel.String | QgsFieldProxyModel.Date | QgsFieldProxyModel.Time)
self.dateComboBox.setFilters(QgsFieldProxyModel.String | QgsFieldProxyModel.Date)
self.timeComboBox.setFilters(QgsFieldProxyModel.String | QgsFieldProxyModel.Time)
self.categoryComboBox.setFilters(QgsFieldProxyModel.String | QgsFieldProxyModel.Numeric)
self.dtRadioButton.clicked.connect(self.enableComponents)
self.notdtRadioButton.clicked.connect(self.enableComponents)
self.radialComboBox.addItems(OPTIONMENU)
self.circleComboBox.addItems(OPTIONMENU)
self.buttonBox.button(QDialogButtonBox.Ok).setText("Create Chart")
self.buttonBox.button(QDialogButtonBox.Help).clicked.connect(self.help)
示例6: processAlgorithm
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def processAlgorithm(self, parameters, context, feedback):
input_layer = self.parameterAsSource(parameters, self.INPUT, context)
traj_id_field = self.parameterAsFields(parameters, self.TRAJ_ID_FIELD, context)[0]
timestamp_field = self.parameterAsFields(parameters, self.TIMESTAMP_FIELD, context)[0]
timestamp_format = self.parameterAsString(parameters, self.TIMESTAMP_FORMAT, context)
output_fields = QgsFields()
output_fields.append(QgsField(traj_id_field, QVariant.String))
(sink, dest_id) = self.parameterAsSink(parameters, self.OUTPUT, context,
output_fields,
QgsWkbTypes.LineStringM,
input_layer.sourceCrs())
trajectories = trajectories_from_qgis_point_layer(input_layer, timestamp_field, traj_id_field, timestamp_format)
for traj in trajectories:
line = QgsGeometry.fromWkt(traj.to_linestringm_wkt())
f = QgsFeature()
f.setGeometry(line)
f.setAttributes([traj.id])
sink.addFeature(f, QgsFeatureSink.FastInsert)
# default return type for function
return {self.OUTPUT: dest_id}
开发者ID:anitagraser,项目名称:qgis-processing-trajectory,代码行数:27,代码来源:trajectoriesFromPointLayerAlgorithm.py
示例7: createPointLayerReverse
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def createPointLayerReverse(self):
layername = self.layerLineEdit.text()
self.pointLayer = QgsVectorLayer("point?crs=epsg:4326", layername, "memory")
self.provider = self.pointLayer.dataProvider()
if self.detailedAddressCheckBox.checkState():
self.provider.addAttributes([
QgsField("osm_type", QVariant.String),
QgsField("osm_id", QVariant.String),
QgsField("display_name", QVariant.String),
QgsField("house_number", QVariant.String),
QgsField("road", QVariant.String),
QgsField("neighbourhood", QVariant.String),
QgsField("locality", QVariant.String),
QgsField("town", QVariant.String),
QgsField("city", QVariant.String),
QgsField("county", QVariant.String),
QgsField("state", QVariant.String),
QgsField("postcode", QVariant.String),
QgsField("country", QVariant.String),
QgsField("country_code", QVariant.String)])
else:
self.provider.addAttributes([QgsField("display_name", QVariant.String)])
self.pointLayer.updateFields()
if self.showLabelCheckBox.checkState():
# Display labels
label = QgsPalLayerSettings()
label.fieldName = 'display_name'
label.placement= QgsPalLayerSettings.AroundPoint
labeling = QgsVectorLayerSimpleLabeling(label)
self.pointLayer.setLabeling(labeling)
self.pointLayer.setLabelsEnabled(True)
示例8: createPointLayer
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def createPointLayer(self):
layername = self.layerLineEdit.text()
self.pointLayer = QgsVectorLayer("point?crs=epsg:4326", layername, "memory")
self.provider = self.pointLayer.dataProvider()
if self.detailedAddressCheckBox.checkState():
self.provider.addAttributes([
QgsField("osm_type", QVariant.String),
QgsField("osm_id", QVariant.String),
QgsField("class", QVariant.String),
QgsField("type", QVariant.String),
QgsField("source_addr", QVariant.String),
QgsField("display_name", QVariant.String),
QgsField("house_number", QVariant.String),
QgsField("road", QVariant.String),
QgsField("neighbourhood", QVariant.String),
QgsField("locality", QVariant.String),
QgsField("town", QVariant.String),
QgsField("city", QVariant.String),
QgsField("county", QVariant.String),
QgsField("state", QVariant.String),
QgsField("postcode", QVariant.String),
QgsField("country", QVariant.String),
QgsField("country_code", QVariant.String)])
else:
self.provider.addAttributes([QgsField("display_name", QVariant.String)])
self.pointLayer.updateFields()
if self.showLabelCheckBox.checkState():
# Display labels
label = QgsPalLayerSettings()
label.fieldName = 'display_name'
label.placement= QgsPalLayerSettings.AroundPoint
labeling = QgsVectorLayerSimpleLabeling(label)
self.pointLayer.setLabeling(labeling)
self.pointLayer.setLabelsEnabled(True)
示例9: createLayer
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def createLayer(self):
'''Create a memory layer from the zoom to locations'''
rowcnt = self.resultsTable.rowCount()
if rowcnt == 0:
return
attr = []
for item, label in enumerate(LABELS[0:self.numCol]):
label = label.lower()
if item <= 1:
attr.append(QgsField(label, QVariant.Double))
else:
attr.append(QgsField(label, QVariant.String))
ptLayer = QgsVectorLayer("Point?crs=epsg:4326", u"Lat Lon Locations", "memory")
provider = ptLayer.dataProvider()
provider.addAttributes(attr)
ptLayer.updateFields()
for id in range(rowcnt):
item = self.resultsTable.item(id, 0).data(Qt.UserRole)
feature = QgsFeature()
feature.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(item.lon, item.lat)))
attr = [item.lat, item.lon, item.label]
for i in range(3, self.numCol):
attr.append(item.data[i - 3])
feature.setAttributes(attr)
provider.addFeatures([feature])
ptLayer.updateExtents()
if self.settings.multiZoomStyleID == 1:
settings = QgsPalLayerSettings()
settings.fieldName = 'label'
settings.placement = QgsPalLayerSettings.AroundPoint
labeling = QgsVectorLayerSimpleLabeling(settings)
ptLayer.setLabeling(labeling)
ptLayer.setLabelsEnabled(True)
elif self.settings.multiZoomStyleID == 2 and os.path.isfile(self.settings.customQMLFile()):
ptLayer.loadNamedStyle(self.settings.customQMLFile())
QgsProject.instance().addMapLayer(ptLayer)
示例10: getFeatureFromPointParameter
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def getFeatureFromPointParameter(qgs_point_xy):
feature = QgsFeature()
fields = QgsFields()
fields.append(QgsField('point_id', QVariant.String, '', 254, 0))
feature.setFields(fields)
feature.setGeometry(QgsGeometry.fromPointXY(qgs_point_xy))
feature['point_id']="Start Point"
return feature
示例11: getFieldDatatypeFromPythontype
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def getFieldDatatypeFromPythontype(pythonvar):
if isinstance(pythonvar, str):
return QVariant.String
elif isinstance(pythonvar, int):
return QVariant.Int
elif isinstance(pythonvar, float):
return QVariant.Double
else:
return QVariant.String
示例12: _toQgsField
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def _toQgsField(f):
''' Create QgsFiel '''
if isinstance(f, QgsField):
return f
return QgsField(f[0], TYPE_MAP.get(f[1], QVariant.String))
示例13: initAlgorithm
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def initAlgorithm(self, config):
self.addParameter(
QgsProcessingParameterFeatureSource(
self.PrmInputLayer,
tr('Input layer'),
[QgsProcessing.TypeVector])
)
self.addParameter(
QgsProcessingParameterField(
self.PrmDescriptionField,
tr('Description field'),
defaultValue='description',
parentLayerParameterName=self.PrmInputLayer,
type=QgsProcessingParameterField.String
)
)
self.addParameter(
QgsProcessingParameterString(
self.PrmExpansionTags,
tr('Comma separated list of expansion tags - Left blank autogenerates all tags'),
optional=True)
)
self.addParameter(
QgsProcessingParameterEnum(
self.PrmExpansionType,
tr('How to expand the description field'),
options=[tr('Expand from a 2 column HTML table'),
tr('Expand from "tag = value" pairs'),
tr('Expand from "tag: value" pairs')],
defaultValue=0,
optional=False)
)
self.addParameter(
QgsProcessingParameterFeatureSink(
self.PrmOutputLayer,
tr('Output layer'))
)
示例14: processAlgorithm
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def processAlgorithm(self, parameters, context, feedback):
source = self.parameterAsSource(parameters, self.PrmInputLayer, context)
field = self.parameterAsString(parameters, self.PrmDescriptionField, context)
tags = self.parameterAsString(parameters, self.PrmExpansionTags, context).strip()
type = self.parameterAsInt(parameters, self.PrmExpansionType, context)
feedback.pushInfo(tags)
if not field:
msg = tr('Must have a valid description field')
feedback.reportError(msg)
raise QgsProcessingException(msg)
# Set up the HTML expansion processor
self.htmlProcessor = HTMLExpansionProcess(source, field, type)
self.htmlProcessor.addFeature.connect(self.addFeature)
# Have it generate a list of all possible expansion field names
if self.PrmExpansionTags in parameters and tags != '':
expansionNames = [x.strip() for x in tags.split(',')]
feedback.pushInfo('{}'.format(expansionNames))
self.htmlProcessor.setDesiredFields(expansionNames)
else:
self.htmlProcessor.autoGenerateFileds()
srcCRS = source.sourceCrs()
wkbtype = source.wkbType()
# Create a copy of the fields for the output
fieldsout = QgsFields(source.fields())
for item in self.htmlProcessor.uniqueDesiredNames(source.fields().names()):
fieldsout.append(QgsField(item, QVariant.String))
(self.sink, dest_id) = self.parameterAsSink(parameters,
self.PrmOutputLayer, context, fieldsout, wkbtype, srcCRS)
self.htmlProcessor.processSource()
self.htmlProcessor.addFeature.disconnect(self.addFeature)
return {self.PrmOutputLayer: dest_id}
示例15: getFlagFields
# 需要导入模块: from qgis.PyQt.QtCore import QVariant [as 别名]
# 或者: from qgis.PyQt.QtCore.QVariant import String [as 别名]
def getFlagFields(self):
fields = QgsFields()
fields.append(QgsField('reason',QVariant.String))
return fields