mirror of
https://github.com/qgis/QGIS.git
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[FEATURE] Port autoincremental field to c++
Also add: - support for setting initial value for field to start at - support for user-set field names (instead of always using 'AUTO')
This commit is contained in:
Nyall Dawson
parent
61dc8ea28f
commit
97c1b0d322
@ -1,10 +1,3 @@
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qgis:addautoincrementalfield: >
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This algorithm adds a new integer field to a vector layer, with a sequential value for each feature.
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This field can be used as a unique ID for features in the layer.
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The new attribute is not added to the input layer but a new layer is generated instead.
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qgis:addfieldtoattributestable: >
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This algorithm adds a new attribute to a vector layer.
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@ -1,60 +0,0 @@
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# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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AutoincrementalField.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from qgis.PyQt.QtCore import QVariant
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from qgis.core import (QgsField)
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from processing.algs.qgis.QgisAlgorithm import QgisFeatureBasedAlgorithm
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class AutoincrementalField(QgisFeatureBasedAlgorithm):
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def __init__(self):
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super().__init__()
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self.current = 0
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def group(self):
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return self.tr('Vector table')
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def name(self):
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return 'addautoincrementalfield'
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def displayName(self):
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return self.tr('Add autoincremental field')
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def outputName(self):
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return self.tr('Incremented')
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def outputFields(self, inputFields):
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inputFields.append(QgsField('AUTO', QVariant.Int))
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return inputFields
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def processFeature(self, feature, feedback):
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attributes = feature.attributes()
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attributes.append(self.current)
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self.current += 1
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feature.setAttributes(attributes)
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return feature
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@ -43,7 +43,6 @@ from .QgisAlgorithm import QgisAlgorithm
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from .AddTableField import AddTableField
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from .Aggregate import Aggregate
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from .Aspect import Aspect
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from .AutoincrementalField import AutoincrementalField
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from .BasicStatistics import BasicStatisticsForField
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from .Boundary import Boundary
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from .CheckValidity import CheckValidity
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@ -174,7 +173,6 @@ class QGISAlgorithmProvider(QgsProcessingProvider):
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algs = [AddTableField(),
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Aggregate(),
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Aspect(),
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AutoincrementalField(),
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BasicStatisticsForField(),
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Boundary(),
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CheckValidity(),
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86
python/plugins/processing/tests/testdata/expected/autoincrement_field_field_name.gml
vendored
Normal file
86
python/plugins/processing/tests/testdata/expected/autoincrement_field_field_name.gml
vendored
Normal file
@ -0,0 +1,86 @@
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<?xml version="1.0" encoding="utf-8" ?>
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<ogr:FeatureCollection
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://ogr.maptools.org/ autoincrement_field_field_name.xsd"
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xmlns:ogr="http://ogr.maptools.org/"
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xmlns:gml="http://www.opengis.net/gml">
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<gml:boundedBy>
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<gml:Box>
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<gml:coord><gml:X>0</gml:X><gml:Y>-5</gml:Y></gml:coord>
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<gml:coord><gml:X>8</gml:X><gml:Y>3</gml:Y></gml:coord>
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</gml:Box>
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</gml:boundedBy>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.0">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>1,1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>1</ogr:id>
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<ogr:id2>2</ogr:id2>
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<ogr:my_field>0</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.1">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>3,3</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>2</ogr:id>
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<ogr:id2>1</ogr:id2>
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<ogr:my_field>1</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.2">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>2,2</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>3</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:my_field>2</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.3">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>5,2</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>4</ogr:id>
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<ogr:id2>2</ogr:id2>
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<ogr:my_field>3</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.4">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>4,1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>5</ogr:id>
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<ogr:id2>1</ogr:id2>
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<ogr:my_field>4</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.5">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>0,-5</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>6</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:my_field>5</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.6">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>8,-1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>7</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:my_field>6</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.7">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>7,-1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>8</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:my_field>7</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_field_name fid="points.8">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>0,-1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>9</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:my_field>8</ogr:my_field>
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</ogr:autoincrement_field_field_name>
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</gml:featureMember>
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</ogr:FeatureCollection>
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44
python/plugins/processing/tests/testdata/expected/autoincrement_field_field_name.xsd
vendored
Normal file
44
python/plugins/processing/tests/testdata/expected/autoincrement_field_field_name.xsd
vendored
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@ -0,0 +1,44 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema targetNamespace="http://ogr.maptools.org/" xmlns:ogr="http://ogr.maptools.org/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:gml="http://www.opengis.net/gml" elementFormDefault="qualified" version="1.0">
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<xs:import namespace="http://www.opengis.net/gml" schemaLocation="http://schemas.opengis.net/gml/2.1.2/feature.xsd"/>
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<xs:element name="FeatureCollection" type="ogr:FeatureCollectionType" substitutionGroup="gml:_FeatureCollection"/>
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<xs:complexType name="FeatureCollectionType">
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<xs:complexContent>
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<xs:extension base="gml:AbstractFeatureCollectionType">
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<xs:attribute name="lockId" type="xs:string" use="optional"/>
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<xs:attribute name="scope" type="xs:string" use="optional"/>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:element name="autoincrement_field_field_name" type="ogr:autoincrement_field_field_name_Type" substitutionGroup="gml:_Feature"/>
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<xs:complexType name="autoincrement_field_field_name_Type">
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<xs:complexContent>
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<xs:extension base="gml:AbstractFeatureType">
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<xs:sequence>
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<xs:element name="geometryProperty" type="gml:PointPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
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<xs:element name="id" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:integer">
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<xs:totalDigits value="10"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<xs:element name="id2" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:integer">
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<xs:totalDigits value="10"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<xs:element name="my_field" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:long">
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<xs:totalDigits value="20"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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</xs:sequence>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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</xs:schema>
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86
python/plugins/processing/tests/testdata/expected/autoincrement_field_start.gml
vendored
Normal file
86
python/plugins/processing/tests/testdata/expected/autoincrement_field_start.gml
vendored
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<?xml version="1.0" encoding="utf-8" ?>
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<ogr:FeatureCollection
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://ogr.maptools.org/ autoincrement_field_start.xsd"
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xmlns:ogr="http://ogr.maptools.org/"
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xmlns:gml="http://www.opengis.net/gml">
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<gml:boundedBy>
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<gml:Box>
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<gml:coord><gml:X>0</gml:X><gml:Y>-5</gml:Y></gml:coord>
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<gml:coord><gml:X>8</gml:X><gml:Y>3</gml:Y></gml:coord>
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</gml:Box>
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</gml:boundedBy>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.0">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>1,1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>1</ogr:id>
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<ogr:id2>2</ogr:id2>
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<ogr:AUTO>10</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.1">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>3,3</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>2</ogr:id>
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<ogr:id2>1</ogr:id2>
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<ogr:AUTO>11</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.2">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>2,2</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>3</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:AUTO>12</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.3">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>5,2</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>4</ogr:id>
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<ogr:id2>2</ogr:id2>
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<ogr:AUTO>13</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.4">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>4,1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>5</ogr:id>
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<ogr:id2>1</ogr:id2>
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<ogr:AUTO>14</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.5">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>0,-5</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>6</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:AUTO>15</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.6">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>8,-1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>7</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:AUTO>16</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.7">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>7,-1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>8</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:AUTO>17</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:autoincrement_field_start fid="points.8">
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<ogr:geometryProperty><gml:Point srsName="EPSG:4326"><gml:coordinates>0,-1</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:id>9</ogr:id>
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<ogr:id2>0</ogr:id2>
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<ogr:AUTO>18</ogr:AUTO>
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</ogr:autoincrement_field_start>
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</gml:featureMember>
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</ogr:FeatureCollection>
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44
python/plugins/processing/tests/testdata/expected/autoincrement_field_start.xsd
vendored
Normal file
44
python/plugins/processing/tests/testdata/expected/autoincrement_field_start.xsd
vendored
Normal file
@ -0,0 +1,44 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema targetNamespace="http://ogr.maptools.org/" xmlns:ogr="http://ogr.maptools.org/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:gml="http://www.opengis.net/gml" elementFormDefault="qualified" version="1.0">
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<xs:import namespace="http://www.opengis.net/gml" schemaLocation="http://schemas.opengis.net/gml/2.1.2/feature.xsd"/>
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<xs:element name="FeatureCollection" type="ogr:FeatureCollectionType" substitutionGroup="gml:_FeatureCollection"/>
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<xs:complexType name="FeatureCollectionType">
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<xs:complexContent>
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<xs:extension base="gml:AbstractFeatureCollectionType">
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<xs:attribute name="lockId" type="xs:string" use="optional"/>
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<xs:attribute name="scope" type="xs:string" use="optional"/>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:element name="autoincrement_field_start" type="ogr:autoincrement_field_start_Type" substitutionGroup="gml:_Feature"/>
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<xs:complexType name="autoincrement_field_start_Type">
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<xs:complexContent>
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<xs:extension base="gml:AbstractFeatureType">
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<xs:sequence>
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<xs:element name="geometryProperty" type="gml:PointPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
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<xs:element name="id" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:integer">
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<xs:totalDigits value="10"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<xs:element name="id2" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:integer">
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<xs:totalDigits value="10"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<xs:element name="AUTO" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:long">
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<xs:totalDigits value="20"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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</xs:sequence>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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</xs:schema>
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@ -414,7 +414,7 @@ tests:
|
||||
name: expected/unique_values.gml
|
||||
type: vector
|
||||
|
||||
- algorithm: qgis:addautoincrementalfield
|
||||
- algorithm: native:addautoincrementalfield
|
||||
name: Add autoincremental field
|
||||
params:
|
||||
INPUT:
|
||||
@ -425,6 +425,33 @@ tests:
|
||||
name: expected/autoincrement_field.gml
|
||||
type: vector
|
||||
|
||||
- algorithm: native:addautoincrementalfield
|
||||
name: Add autoincremental field with start value
|
||||
params:
|
||||
FIELD_NAME: AUTO
|
||||
INPUT:
|
||||
name: points.gml
|
||||
type: vector
|
||||
START: 10
|
||||
results:
|
||||
OUTPUT:
|
||||
name: expected/autoincrement_field_start.gml
|
||||
type: vector
|
||||
|
||||
- algorithm: native:addautoincrementalfield
|
||||
name: Add autoincremental field with name
|
||||
params:
|
||||
FIELD_NAME: my_field
|
||||
INPUT:
|
||||
name: points.gml
|
||||
type: vector
|
||||
START: 0
|
||||
results:
|
||||
OUTPUT:
|
||||
name: expected/autoincrement_field_field_name.gml
|
||||
type: vector
|
||||
|
||||
|
||||
- algorithm: native:dissolve
|
||||
name: Dissolve using field
|
||||
params:
|
||||
|
||||
@ -93,6 +93,7 @@ void QgsNativeAlgorithms::loadAlgorithms()
|
||||
addAlgorithm( new QgsJoinByAttributeAlgorithm() );
|
||||
addAlgorithm( new QgsJoinWithLinesAlgorithm() );
|
||||
addAlgorithm( new QgsAssignProjectionAlgorithm() );
|
||||
addAlgorithm( new QgsAddIncrementalFieldAlgorithm() );
|
||||
}
|
||||
|
||||
void QgsSaveSelectedFeatures::initAlgorithm( const QVariantMap & )
|
||||
@ -698,6 +699,51 @@ QgsFeature QgsAssignProjectionAlgorithm::processFeature( const QgsFeature &featu
|
||||
|
||||
|
||||
|
||||
QString QgsAddIncrementalFieldAlgorithm::shortHelpString() const
|
||||
{
|
||||
return QObject::tr( "This algorithm adds a new integer field to a vector layer, with a sequential value for each feature.\n\n"
|
||||
"This field can be used as a unique ID for features in the layer. The new attribute "
|
||||
"is not added to the input layer but a new layer is generated instead.\n\n"
|
||||
"The initial starting value for the incremental series can be specified." );
|
||||
}
|
||||
|
||||
QgsAddIncrementalFieldAlgorithm *QgsAddIncrementalFieldAlgorithm::createInstance() const
|
||||
{
|
||||
return new QgsAddIncrementalFieldAlgorithm();
|
||||
}
|
||||
|
||||
void QgsAddIncrementalFieldAlgorithm::initParameters( const QVariantMap & )
|
||||
{
|
||||
addParameter( new QgsProcessingParameterString( QStringLiteral( "FIELD_NAME" ), QObject::tr( "Field name" ), QStringLiteral( "AUTO" ) ) );
|
||||
addParameter( new QgsProcessingParameterNumber( QStringLiteral( "START" ), QObject::tr( "Start values at" ),
|
||||
QgsProcessingParameterNumber::Integer, 0, true ) );
|
||||
}
|
||||
|
||||
QgsFields QgsAddIncrementalFieldAlgorithm::outputFields( const QgsFields &inputFields ) const
|
||||
{
|
||||
QgsFields outFields = inputFields;
|
||||
outFields.append( QgsField( mFieldName, QVariant::LongLong ) );
|
||||
return outFields;
|
||||
}
|
||||
|
||||
bool QgsAddIncrementalFieldAlgorithm::prepareAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback * )
|
||||
{
|
||||
mValue = parameterAsInt( parameters, QStringLiteral( "START" ), context );
|
||||
mFieldName = parameterAsString( parameters, QStringLiteral( "FIELD_NAME" ), context );
|
||||
return true;
|
||||
}
|
||||
|
||||
QgsFeature QgsAddIncrementalFieldAlgorithm::processFeature( const QgsFeature &feature, QgsProcessingFeedback * )
|
||||
{
|
||||
QgsFeature f = feature;
|
||||
QgsAttributes attributes = f.attributes();
|
||||
attributes.append( mValue );
|
||||
mValue++;
|
||||
f.setAttributes( attributes );
|
||||
return f;
|
||||
}
|
||||
|
||||
|
||||
void QgsSubdivideAlgorithm::initParameters( const QVariantMap & )
|
||||
{
|
||||
addParameter( new QgsProcessingParameterNumber( QStringLiteral( "MAX_NODES" ), QObject::tr( "Maximum nodes in parts" ), QgsProcessingParameterNumber::Integer,
|
||||
|
||||
@ -164,6 +164,39 @@ class QgsAssignProjectionAlgorithm : public QgsProcessingFeatureBasedAlgorithm
|
||||
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Native add incremental field algorithm.
|
||||
*/
|
||||
class QgsAddIncrementalFieldAlgorithm : public QgsProcessingFeatureBasedAlgorithm
|
||||
{
|
||||
|
||||
public:
|
||||
|
||||
QgsAddIncrementalFieldAlgorithm() = default;
|
||||
QString name() const override { return QStringLiteral( "addautoincrementalfield" ); }
|
||||
QString displayName() const override { return QObject::tr( "Add autoincremental field" ); }
|
||||
virtual QStringList tags() const override { return QObject::tr( "add,create,serial,primary,key,unique,field" ).split( ',' ); }
|
||||
QString group() const override { return QObject::tr( "Vector table" ); }
|
||||
QString shortHelpString() const override;
|
||||
QgsAddIncrementalFieldAlgorithm *createInstance() const override SIP_FACTORY;
|
||||
|
||||
protected:
|
||||
|
||||
void initParameters( const QVariantMap &configuration = QVariantMap() ) override;
|
||||
QString outputName() const override { return QObject::tr( "Incremented" ); }
|
||||
QgsFields outputFields( const QgsFields &inputFields ) const override;
|
||||
|
||||
bool prepareAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
|
||||
QgsFeature processFeature( const QgsFeature &feature, QgsProcessingFeedback *feedback ) override;
|
||||
|
||||
private:
|
||||
|
||||
long long mValue = 0;
|
||||
QString mFieldName;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Native buffer algorithm.
|
||||
*/
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user