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[processing] Make line intersection alg able to handle intersections of type 'geometry collection'
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+224
-12
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8 files changed

+224
-12
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‎python/plugins/processing/tests/testdata/custom/line_intersection_collection1.gml‎

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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/ line_intersection_collection1.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>963795.9543288001</gml:X><gml:Y>1077577.066142281</gml:Y></gml:coord>
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<gml:coord><gml:X>964309.9869270925</gml:X><gml:Y>1077925.530188314</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:line_intersection_collection1 fid="line_intersection_collection1.0">
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<ogr:geometryProperty><gml:LineString srsName="EPSG:3116"><gml:coordinates>963795.9543288,1077590.54265235 963905.691625065,1077713.75645868 963926.868998028,1077925.53018831 963980.775038299,1077802.31638198 964219.501788067,1077867.7737166 964059.761477611,1077699.94219859 964144.709036072,1077671.41702938 964211.234771022,1077618.29701916 964261.241936687,1077648.19439743 964309.986927093,1077617.49567248 964144.418374834,1077577.06614228 963905.691625065,1077713.75645868</gml:coordinates></gml:LineString></ogr:geometryProperty>
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<ogr:longitud>1804.4</ogr:longitud>
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</ogr:line_intersection_collection1>
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</gml:featureMember>
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</ogr:FeatureCollection>

‎python/plugins/processing/tests/testdata/custom/line_intersection_collection1.xsd‎

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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="line_intersection_collection1" type="ogr:line_intersection_collection1_Type" substitutionGroup="gml:_Feature"/>
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<xs:complexType name="line_intersection_collection1_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:LineStringPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
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<xs:element name="longitud" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:decimal">
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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>

‎python/plugins/processing/tests/testdata/custom/line_intersection_collection2.gml‎

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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/ line_intersection_collection2.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>963718.9456998424</gml:X><gml:Y>1077618.297019162</gml:Y></gml:coord>
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<gml:coord><gml:X>964257.4287541196</gml:X><gml:Y>1077989.062307205</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:line_intersection_collection2 fid="line_intersection_collection2.0">
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<ogr:geometryProperty><gml:LineString srsName="EPSG:3116"><gml:coordinates>964257.42875412,1077702.09075594 964211.234771022,1077618.29701916 963980.775038299,1077802.31638198 963926.868998028,1077925.53018831 963718.945699842,1077989.0623072</gml:coordinates></gml:LineString></ogr:geometryProperty>
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<ogr:longitud>672.7</ogr:longitud>
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</ogr:line_intersection_collection2>
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</gml:featureMember>
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</ogr:FeatureCollection>

‎python/plugins/processing/tests/testdata/custom/line_intersection_collection2.xsd‎

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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="line_intersection_collection2" type="ogr:line_intersection_collection2_Type" substitutionGroup="gml:_Feature"/>
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<xs:complexType name="line_intersection_collection2_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:LineStringPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
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<xs:element name="longitud" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:decimal">
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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>

‎python/plugins/processing/tests/testdata/expected/line_intersection_collection.gml‎

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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/ line_intersection_collection.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>964081.0170018662</gml:X><gml:Y>1077618.29701916</gml:Y></gml:coord>
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<gml:coord><gml:X>964211.234771022</gml:X><gml:Y>1077722.274363162</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:line_intersection_collection fid="line_intersection_collection1.0">
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<ogr:geometryProperty><gml:Point srsName="EPSG:3116"><gml:coordinates>964081.017001866,1077722.27436316</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:longitud>1804.4</ogr:longitud>
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<ogr:fid_2>line_intersection_collection2.0</ogr:fid_2>
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<ogr:longitud_2>672.7</ogr:longitud_2>
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</ogr:line_intersection_collection>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:line_intersection_collection fid="line_intersection_collection1.0">
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<ogr:geometryProperty><gml:Point srsName="EPSG:3116"><gml:coordinates>964144.709036063,1077671.41702938</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:longitud>1804.4</ogr:longitud>
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<ogr:fid_2>line_intersection_collection2.0</ogr:fid_2>
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<ogr:longitud_2>672.7</ogr:longitud_2>
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</ogr:line_intersection_collection>
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</gml:featureMember>
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<gml:featureMember>
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<ogr:line_intersection_collection fid="line_intersection_collection1.0">
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<ogr:geometryProperty><gml:Point srsName="EPSG:3116"><gml:coordinates>964211.234771022,1077618.29701916</gml:coordinates></gml:Point></ogr:geometryProperty>
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<ogr:longitud>1804.4</ogr:longitud>
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<ogr:fid_2>line_intersection_collection2.0</ogr:fid_2>
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<ogr:longitud_2>672.7</ogr:longitud_2>
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</ogr:line_intersection_collection>
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</gml:featureMember>
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</ogr:FeatureCollection>

‎python/plugins/processing/tests/testdata/expected/line_intersection_collection.xsd‎

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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="line_intersection_collection" type="ogr:line_intersection_collection_Type" substitutionGroup="gml:_Feature"/>
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<xs:complexType name="line_intersection_collection_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="longitud" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:decimal">
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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="fid_2" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:maxLength value="255"/>
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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="longitud_2" nillable="true" minOccurs="0" maxOccurs="1">
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<xs:simpleType>
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<xs:restriction base="xs:decimal">
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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>

‎python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml‎

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fields:
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fid: skip
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- algorithm: native:lineintersections
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name: Line intersections with geometry collection
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params:
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INPUT:
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name: custom/line_intersection_collection1.gml
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type: vector
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INTERSECT:
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name: custom/line_intersection_collection2.gml
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type: vector
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results:
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OUTPUT:
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name: expected/line_intersection_collection.gml
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type: vector
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- algorithm: qgis:sumlinelengths
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name: Sum line lengths
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params:

‎src/analysis/processing/qgsalgorithmlineintersection.cpp‎

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@@ -196,24 +196,44 @@ QVariantMap QgsLineIntersectionAlgorithm::processAlgorithm( const QVariantMap &p
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{
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outAttributes.append( inFeatureB.attribute( b ) );
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}
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if ( intersectGeom.type() == QgsWkbTypes::PointGeometry )
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if ( intersectGeom.wkbType() == QgsWkbTypes::GeometryCollection )
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{
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if ( intersectGeom.isMultipart() )
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QVector<QgsGeometry> geomCollection = intersectGeom.asGeometryCollection();
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for ( const QgsGeometry &part : qgis::as_const( geomCollection ) )
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{
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points = intersectGeom.asMultiPoint();
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if ( part.type() == QgsWkbTypes::PointGeometry )
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{
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if ( part.isMultipart() )
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{
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points = part.asMultiPoint();
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}
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else
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{
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points.append( part.asPoint() );
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}
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}
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}
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else
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{
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points.append( intersectGeom.asPoint() );
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}
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for ( const QgsPointXY &j : qgis::as_const( points ) )
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}
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else
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{
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if ( intersectGeom.type() == QgsWkbTypes::PointGeometry )
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{
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outFeature.setGeometry( QgsGeometry::fromPointXY( j ) );
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outFeature.setAttributes( outAttributes );
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sink->addFeature( outFeature, QgsFeatureSink::FastInsert );
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if ( intersectGeom.isMultipart() )
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{
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points = intersectGeom.asMultiPoint();
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}
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else
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{
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points.append( intersectGeom.asPoint() );
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}
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}
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}
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for ( const QgsPointXY &j : qgis::as_const( points ) )
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{
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outFeature.setGeometry( QgsGeometry::fromPointXY( j ) );
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outFeature.setAttributes( outAttributes );
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sink->addFeature( outFeature, QgsFeatureSink::FastInsert );
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}
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}
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}
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}

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