Is possible in Processing Modeler use "Export" - "Save features as"?
Model schema:
Generated code:
from qgis.core import QgsProcessing
from qgis.core import QgsProcessingAlgorithm
from qgis.core import QgsProcessingMultiStepFeedback
from qgis.core import QgsProcessingParameterVectorLayer
from qgis.core import QgsProcessingParameterFeatureSink
import processing
class MyExampleModel(QgsProcessingAlgorithm):
def initAlgorithm(self, config=None):
self.addParameter(QgsProcessingParameterVectorLayer('inputlayer', 'input layer', types=[QgsProcessing.TypeVectorPoint], defaultValue=None))
self.addParameter(QgsProcessingParameterFeatureSink('ResultCsvLayer', 'result CSV layer', type=QgsProcessing.TypeVectorAnyGeometry, createByDefault=True, defaultValue=None))
def processAlgorithm(self, parameters, context, model_feedback):
# Use a multi-step feedback, so that individual child algorithm progress reports are adjusted for the
# overall progress through the model
feedback = QgsProcessingMultiStepFeedback(1, model_feedback)
results = {}
outputs = {}
# Add field to attributes table
alg_params = {
'FIELD_LENGTH': 10,
'FIELD_NAME': 'example_field',
'FIELD_PRECISION': 0,
'FIELD_TYPE': 0,
'INPUT': parameters['inputlayer'],
'OUTPUT': parameters['ResultCsvLayer']
}
outputs['AddFieldToAttributesTable'] = processing.run('qgis:addfieldtoattributestable', alg_params, context=context, feedback=feedback, is_child_algorithm=True)
results['ResultCsvLayer'] = outputs['AddFieldToAttributesTable']['OUTPUT']
return results
def name(self):
return 'my example model'
def displayName(self):
return 'my example model'
def group(self):
return 'example group'
def groupId(self):
return ''
def createInstance(self):
return MyExampleModel()
Model exported format:
<!DOCTYPE model>
<Option type="Map">
<Option type="Map" name="children">
<Option type="Map" name="qgis:addfieldtoattributestable_1">
<Option type="bool" value="true" name="active"/>
<Option name="alg_config"/>
<Option type="QString" value="qgis:addfieldtoattributestable" name="alg_id"/>
<Option type="QString" value="Add field to attributes table" name="component_description"/>
<Option type="double" value="443" name="component_pos_x"/>
<Option type="double" value="506" name="component_pos_y"/>
<Option name="dependencies"/>
<Option type="QString" value="qgis:addfieldtoattributestable_1" name="id"/>
<Option type="Map" name="outputs">
<Option type="Map" name="result CSV layer">
<Option type="QString" value="qgis:addfieldtoattributestable_1" name="child_id"/>
<Option type="QString" value="result CSV layer" name="component_description"/>
<Option type="double" value="448" name="component_pos_x"/>
<Option type="double" value="585" name="component_pos_y"/>
<Option type="invalid" name="default_value"/>
<Option type="bool" value="false" name="mandatory"/>
<Option type="QString" value="result CSV layer" name="name"/>
<Option type="QString" value="OUTPUT" name="output_name"/>
</Option>
</Option>
<Option type="bool" value="true" name="outputs_collapsed"/>
<Option type="bool" value="true" name="parameters_collapsed"/>
<Option type="Map" name="params">
<Option type="List" name="FIELD_LENGTH">
<Option type="Map">
<Option type="int" value="2" name="source"/>
<Option type="int" value="10" name="static_value"/>
</Option>
</Option>
<Option type="List" name="FIELD_NAME">
<Option type="Map">
<Option type="int" value="2" name="source"/>
<Option type="QString" value="example_field" name="static_value"/>
</Option>
</Option>
<Option type="List" name="FIELD_PRECISION">
<Option type="Map">
<Option type="int" value="2" name="source"/>
<Option type="int" value="0" name="static_value"/>
</Option>
</Option>
<Option type="List" name="FIELD_TYPE">
<Option type="Map">
<Option type="int" value="2" name="source"/>
<Option type="int" value="0" name="static_value"/>
</Option>
</Option>
<Option type="List" name="INPUT">
<Option type="Map">
<Option type="QString" value="inputlayer" name="parameter_name"/>
<Option type="int" value="0" name="source"/>
</Option>
</Option>
</Option>
</Option>
</Option>
<Option name="help"/>
<Option name="modelVariables"/>
<Option type="QString" value="example group" name="model_group"/>
<Option type="QString" value="my example model" name="model_name"/>
<Option type="Map" name="parameterDefinitions">
<Option type="Map" name="inputlayer">
<Option type="List" name="data_types">
<Option type="int" value="0"/>
</Option>
<Option type="invalid" name="default"/>
<Option type="QString" value="input layer" name="description"/>
<Option type="int" value="0" name="flags"/>
<Option name="metadata"/>
<Option type="QString" value="inputlayer" name="name"/>
<Option type="QString" value="vector" name="parameter_type"/>
</Option>
<Option type="Map" name="qgis:addfieldtoattributestable_1:result CSV layer">
<Option type="bool" value="true" name="create_by_default"/>
<Option type="int" value="-1" name="data_type"/>
<Option type="invalid" name="default"/>
<Option type="QString" value="result CSV layer" name="description"/>
<Option type="int" value="0" name="flags"/>
<Option name="metadata"/>
<Option type="QString" value="qgis:addfieldtoattributestable_1:result CSV layer" name="name"/>
<Option type="QString" value="sink" name="parameter_type"/>
<Option type="bool" value="true" name="supports_non_file_outputs"/>
</Option>
</Option>
<Option type="Map" name="parameters">
<Option type="Map" name="inputlayer">
<Option type="QString" value="inputlayer" name="component_description"/>
<Option type="double" value="443" name="component_pos_x"/>
<Option type="double" value="418" name="component_pos_y"/>
<Option type="QString" value="inputlayer" name="name"/>
</Option>
</Option>
</Option>
Info about QGIS:
Summary:
I want to specify result CSV layer as CSV file with semicolon delimiter in model without user typing settings in file export system menu.
