本文整理汇总了Python中qgis.core.QgsProcessingParameterEnum类的典型用法代码示例。如果您正苦于以下问题：Python QgsProcessingParameterEnum类的具体用法？Python QgsProcessingParameterEnum怎么用？Python QgsProcessingParameterEnum使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QgsProcessingParameterEnum类的6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
def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT,
self.tr('Input layer')))
self.addParameter(QgsProcessingParameterExtent(self.EXTENT,
self.tr('Clipping extent')))
self.addParameter(QgsProcessingParameterNumber(self.NODATA,
self.tr('Assign a specified nodata value to output bands'),
type=QgsProcessingParameterNumber.Double,
defaultValue=None,
optional=True))
options_param = QgsProcessingParameterString(self.OPTIONS,
self.tr('Additional creation options'),
defaultValue='',
optional=True)
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
options_param.setMetadata({
'widget_wrapper': {
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
self.addParameter(options_param)
dataType_param = QgsProcessingParameterEnum(self.DATA_TYPE,
self.tr('Output data type'),
self.TYPES,
allowMultiple=False,
defaultValue=0)
dataType_param.setFlags(dataType_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(dataType_param)
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
self.tr('Clipped (extent)')))示例2: initAlgorithm
def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterFeatureSource(self.INPUT,
self.tr('Point layer'),
[QgsProcessing.TypeVectorPoint]))
z_field_param = QgsProcessingParameterField(self.Z_FIELD,
self.tr('Z value from field'),
None,
self.INPUT,
QgsProcessingParameterField.Numeric,
optional=True)
z_field_param.setFlags(z_field_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(z_field_param)
self.addParameter(QgsProcessingParameterNumber(self.RADIUS_1,
self.tr('The first radius of search ellipse'),
type=QgsProcessingParameterNumber.Double,
minValue=0.0,
defaultValue=0.0))
self.addParameter(QgsProcessingParameterNumber(self.RADIUS_2,
self.tr('The second radius of search ellipse'),
type=QgsProcessingParameterNumber.Double,
minValue=0.0,
defaultValue=0.0))
self.addParameter(QgsProcessingParameterNumber(self.ANGLE,
self.tr('Angle of search ellipse rotation in degrees (counter clockwise)'),
type=QgsProcessingParameterNumber.Double,
minValue=0.0,
maxValue=360.0,
defaultValue=0.0))
self.addParameter(QgsProcessingParameterNumber(self.MIN_POINTS,
self.tr('Minimum number of data points to use'),
type=QgsProcessingParameterNumber.Integer,
minValue=0,
defaultValue=0))
self.addParameter(QgsProcessingParameterNumber(self.NODATA,
self.tr('NODATA marker to fill empty points'),
type=QgsProcessingParameterNumber.Double,
defaultValue=0.0))
options_param = QgsProcessingParameterString(self.OPTIONS,
self.tr('Additional creation parameters'),
defaultValue='',
optional=True)
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
options_param.setMetadata({
'widget_wrapper': {
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
self.addParameter(options_param)
dataType_param = QgsProcessingParameterEnum(self.DATA_TYPE,
self.tr('Output data type'),
self.TYPES,
allowMultiple=False,
defaultValue=5)
dataType_param.setFlags(dataType_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(dataType_param)
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
self.tr('Interpolated (moving average)')))示例3: initAlgorithm
def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
self.addParameter(QgsProcessingParameterBand(self.BANDS,
self.tr('Selected band(s)'),
None,
self.INPUT,
allowMultiple=True))
options_param = QgsProcessingParameterString(self.OPTIONS,
self.tr('Additional creation options'),
defaultValue='',
optional=True)
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
options_param.setMetadata({
'widget_wrapper': {
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
self.addParameter(options_param)
dataType_param = QgsProcessingParameterEnum(self.DATA_TYPE,
self.tr('Output data type'),
self.TYPES,
allowMultiple=False,
defaultValue=0)
dataType_param.setFlags(dataType_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(dataType_param)
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
self.tr('Converted')))示例4: initAlgorithm
def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
self.addParameter(QgsProcessingParameterCrs(self.TARGET_CRS,
self.tr('Override the projection for the output file'),
defaultValue=None,
optional=True))
self.addParameter(QgsProcessingParameterNumber(self.NODATA,
self.tr('Assign a specified nodata value to output bands'),
type=QgsProcessingParameterNumber.Double,
defaultValue=None,
optional=True))
self.addParameter(QgsProcessingParameterBoolean(self.COPY_SUBDATASETS,
self.tr('Copy all subdatasets of this file to individual output files'),
defaultValue=False))
options_param = QgsProcessingParameterString(self.OPTIONS,
self.tr('Additional creation options'),
defaultValue='',
optional=True)
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
options_param.setMetadata({
'widget_wrapper': {
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
self.addParameter(options_param)
dataType_param = QgsProcessingParameterEnum(self.DATA_TYPE,
self.tr('Output data type'),
self.TYPES,
allowMultiple=False,
defaultValue=0)
dataType_param.setFlags(dataType_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(dataType_param)
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
self.tr('Converted')))示例5: initAlgorithm
def initAlgorithm(self, config=None):
self.predicates = (
('intersects', self.tr('intersects')),
('contains', self.tr('contains')),
('isEqual', self.tr('equals')),
('touches', self.tr('touches')),
('overlaps', self.tr('overlaps')),
('within', self.tr('within')),
('crosses', self.tr('crosses')))
self.statistics = [
('count', self.tr('count')),
('unique', self.tr('unique')),
('min', self.tr('min')),
('max', self.tr('max')),
('range', self.tr('range')),
('sum', self.tr('sum')),
('mean', self.tr('mean')),
('median', self.tr('median')),
('stddev', self.tr('stddev')),
('minority', self.tr('minority')),
('majority', self.tr('majority')),
('q1', self.tr('q1')),
('q3', self.tr('q3')),
('iqr', self.tr('iqr')),
('empty', self.tr('empty')),
('filled', self.tr('filled')),
('min_length', self.tr('min_length')),
('max_length', self.tr('max_length')),
('mean_length', self.tr('mean_length'))]
self.addParameter(QgsProcessingParameterFeatureSource(self.INPUT,
self.tr('Input layer'),
[QgsProcessing.TypeVectorAnyGeometry]))
self.addParameter(QgsProcessingParameterFeatureSource(self.JOIN,
self.tr('Join layer'),
[QgsProcessing.TypeVectorAnyGeometry]))
predicate = QgsProcessingParameterEnum(self.PREDICATE,
self.tr('Geometric predicate'),
options=[p[1] for p in self.predicates],
allowMultiple=True, defaultValue=[0])
predicate.setMetadata({
'widget_wrapper': {
'useCheckBoxes': True,
'columns': 2}})
self.addParameter(predicate)
self.addParameter(QgsProcessingParameterField(self.JOIN_FIELDS,
self.tr('Fields to summarise (leave empty to use all fields)'),
parentLayerParameterName=self.JOIN,
allowMultiple=True, optional=True))
self.addParameter(QgsProcessingParameterEnum(self.SUMMARIES,
self.tr(
'Summaries to calculate (leave empty to use all available)'),
options=[p[1] for p in self.statistics],
allowMultiple=True, optional=True))
self.addParameter(QgsProcessingParameterBoolean(self.DISCARD_NONMATCHING,
self.tr('Discard records which could not be joined'),
defaultValue=False))
self.addParameter(QgsProcessingParameterFeatureSink(self.OUTPUT,
self.tr('Joined layer')))示例6: initAlgorithm
def initAlgorithm(self, config=None):
self.methods = ((self.tr('Nearest Neighbour'), 'nearest'),
(self.tr('Bilinear'), 'bilinear'),
(self.tr('Cubic'), 'cubic'),
(self.tr('Cubic Spline'), 'cubicspline'),
(self.tr('Lanczos Windowed Sinc'), 'lanczos'),
(self.tr('Average'), 'average'))
self.addParameter(QgsProcessingParameterRasterLayer(self.SPECTRAL,
self.tr('Spectral dataset')))
self.addParameter(QgsProcessingParameterRasterLayer(self.PANCHROMATIC,
self.tr('Panchromatic dataset')))
resampling_param = QgsProcessingParameterEnum(self.RESAMPLING,
self.tr('Resampling algorithm'),
options=[i[0] for i in self.methods],
defaultValue=2)
resampling_param.setFlags(resampling_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(resampling_param)
options_param = QgsProcessingParameterString(self.OPTIONS,
self.tr('Additional creation options'),
defaultValue='',
optional=True)
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
options_param.setMetadata({
'widget_wrapper': {
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
self.addParameter(options_param)
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
self.tr('Output')))