[processing] Fix Rectangles/Ovals/...(variable) chokes on angle value…

…s of 0

Change the test to a NULL test instead, as angle values of 0 are valid

python/plugins/processing/algs/qgis/RectanglesOvalsDiamondsVariable.py

@@ -28,7 +28,8 @@
 import math
 
 from qgis.PyQt.QtCore import QCoreApplication
-from qgis.core import (QgsWkbTypes,
+from qgis.core import (NULL,
+                       QgsWkbTypes,
                        QgsFeature,
                        QgsFeatureSink,
                        QgsGeometry,
@@ -148,9 +149,15 @@ def rectangles(self, sink, source, width, height, rotation, feedback):
                 w = feat[width]
                 h = feat[height]
                 angle = feat[rotation]
-                if not w or not h or not angle:
+                # block 0/NULL width or height, but allow 0 as angle value
+                if not w or not h:
+                    feedback.pushInfo(QCoreApplication.translate('RectanglesOvalsDiamondsVariable', 'Feature {} has empty '
+                                                                 'width or height. '
+                                                                 'Skipping…').format(feat.id()))
+                    continue
+                if angle is NULL:
                     feedback.pushInfo(QCoreApplication.translate('RectanglesOvalsDiamondsVariable', 'Feature {} has empty '
-                                                                 'width, height or angle. '
+                                                                 'angle. '
                                                                  'Skipping…').format(feat.id()))
                     continue
 
@@ -217,9 +224,15 @@ def diamonds(self, sink, source, width, height, rotation, feedback):
                 w = feat[width]
                 h = feat[height]
                 angle = feat[rotation]
-                if not w or not h or not angle:
+                # block 0/NULL width or height, but allow 0 as angle value
+                if not w or not h:
                     feedback.pushInfo(QCoreApplication.translate('RectanglesOvalsDiamondsVariable', 'Feature {} has empty '
-                                                                 'width, height or angle. '
+                                                                 'width or height. '
+                                                                 'Skipping…').format(feat.id()))
+                    continue
+                if angle is NULL:
+                    feedback.pushInfo(QCoreApplication.translate('RectanglesOvalsDiamondsVariable', 'Feature {} has empty '
+                                                                 'angle. '
                                                                  'Skipping…').format(feat.id()))
                     continue
 
@@ -284,9 +297,15 @@ def ovals(self, sink, source, width, height, rotation, segments, feedback):
                 w = feat[width]
                 h = feat[height]
                 angle = feat[rotation]
-                if not w or not h or not angle:
+                # block 0/NULL width or height, but allow 0 as angle value
+                if not w or not h:
+                    feedback.pushInfo(QCoreApplication.translate('RectanglesOvalsDiamondsVariable', 'Feature {} has empty '
+                                                                 'width or height. '
+                                                                 'Skipping…').format(feat.id()))
+                    continue
+                if angle == NULL:
                     feedback.pushInfo(QCoreApplication.translate('RectanglesOvalsDiamondsVariable', 'Feature {} has empty '
-                                                                 'width, height or angle. '
+                                                                 'angle. '
                                                                  'Skipping…').format(feat.id()))
                     continue
 

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

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ogr:FeatureCollection
+     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+     xsi:schemaLocation="http://ogr.maptools.org/ rectanglesovalsdiamondsvariable.xsd"
+     xmlns:ogr="http://ogr.maptools.org/"
+     xmlns:gml="http://www.opengis.net/gml">
+  <gml:boundedBy>
+    <gml:Box>
+      <gml:coord><gml:X>-4.5</gml:X><gml:Y>-8</gml:Y></gml:coord>
+      <gml:coord><gml:X>11.5</gml:X><gml:Y>4.068580647443193</gml:Y></gml:coord>
+    </gml:Box>
+  </gml:boundedBy>
+
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.0">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>0.482854838139202,0.517754334841703 0.517754334841703,1.5171451618608 1.5171451618608,1.4822456651583 1.4822456651583,0.482854838139202 0.482854838139202,0.517754334841703</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>1</ogr:id>
+      <ogr:id2>2</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.1">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>1.98269989840633,2.01760471128089 2.01760471128089,4.01730010159367 4.01730010159367,3.98239528871911 3.98239528871911,1.98269989840633 1.98269989840633,2.01760471128089</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>2</ogr:id>
+      <ogr:id2>1</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.2">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>0.5,0.5 0.5,3.5 3.5,3.5 3.5,0.5 0.5,0.5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>3</ogr:id>
+      <ogr:id2>0</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.3">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>2.93141935255681,0.07101733936681 3.07101733936681,4.06858064744319 7.06858064744319,3.92898266063319 6.92898266063319,-0.068580647443194 2.93141935255681,0.07101733936681</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>4</ogr:id>
+      <ogr:id2>2</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.4">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>1.45674974601581,-1.45598822179777 1.54401177820223,3.54325025398419 6.54325025398419,3.45598822179777 6.45598822179777,-1.54325025398419 1.45674974601581,-1.45598822179777</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>5</ogr:id>
+      <ogr:id2>1</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.5">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>-3,-8 -3,-2 3,-2 3,-8 -3,-8</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>6</ogr:id>
+      <ogr:id2>0</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.6">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>4.5,-4.5 4.5,2.5 11.5,2.5 11.5,-4.5 4.5,-4.5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>7</ogr:id>
+      <ogr:id2>0</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.7">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>3,-5 3,3 11,3 11,-5 3,-5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>8</ogr:id>
+      <ogr:id2>0</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+  <gml:featureMember>
+    <ogr:rectanglesovalsdiamondsvariable fid="points.8">
+      <ogr:geometryProperty><gml:Polygon srsName="EPSG:4326"><gml:outerBoundaryIs><gml:LinearRing><gml:coordinates>-4.5,-5.5 -4.5,3.5 4.5,3.5 4.5,-5.5 -4.5,-5.5</gml:coordinates></gml:LinearRing></gml:outerBoundaryIs></gml:Polygon></ogr:geometryProperty>
+      <ogr:id>9</ogr:id>
+      <ogr:id2>0</ogr:id2>
+    </ogr:rectanglesovalsdiamondsvariable>
+  </gml:featureMember>
+</ogr:FeatureCollection>

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

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+<xs:import namespace="http://www.opengis.net/gml" schemaLocation="http://schemas.opengis.net/gml/2.1.2/feature.xsd"/>
+<xs:element name="FeatureCollection" type="ogr:FeatureCollectionType" substitutionGroup="gml:_FeatureCollection"/>
+<xs:complexType name="FeatureCollectionType">
+  <xs:complexContent>
+    <xs:extension base="gml:AbstractFeatureCollectionType">
+      <xs:attribute name="lockId" type="xs:string" use="optional"/>
+      <xs:attribute name="scope" type="xs:string" use="optional"/>
+    </xs:extension>
+  </xs:complexContent>
+</xs:complexType>
+<xs:element name="rectanglesovalsdiamondsvariable" type="ogr:rectanglesovalsdiamondsvariable_Type" substitutionGroup="gml:_Feature"/>
+<xs:complexType name="rectanglesovalsdiamondsvariable_Type">
+  <xs:complexContent>
+    <xs:extension base="gml:AbstractFeatureType">
+      <xs:sequence>
+        <xs:element name="geometryProperty" type="gml:PolygonPropertyType" nillable="true" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="id" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:integer">
+              <xs:totalDigits value="10"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+        <xs:element name="id2" nillable="true" minOccurs="0" maxOccurs="1">
+          <xs:simpleType>
+            <xs:restriction base="xs:integer">
+              <xs:totalDigits value="10"/>
+            </xs:restriction>
+          </xs:simpleType>
+        </xs:element>
+      </xs:sequence>
+    </xs:extension>
+  </xs:complexContent>
+</xs:complexType>
+</xs:schema>

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

@@ -642,6 +642,22 @@ tests:
           geometry:
             precision: 7
 
+  - algorithm: qgis:rectanglesovalsdiamondsvariable
+    name: Rectangles ovals diamonds variable
+    params:
+      HEIGHT: id
+      INPUT:
+        name: points.gml
+        type: vector
+      ROTATION: id2
+      SEGMENTS: 1
+      SHAPE: 0
+      WIDTH: id
+    results:
+      OUTPUT:
+        name: expected/rectanglesovalsdiamondsvariable.gml
+        type: vector
+
   - algorithm: native:mergelines
     name: Merge lines algorithm
     params: