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test_qgsvectorlayerrenderer.py
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"""QGIS Unit tests for QgsVectorLayerRenderer
.. note:: This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
"""
__author__ = 'Nyall Dawson'
__date__ = '2020-06'
__copyright__ = 'Copyright 2020, The QGIS Project'
import os
from qgis.PyQt.QtCore import QDir, QSize
from qgis.PyQt.QtGui import QColor
from qgis.core import (
Qgis,
QgsCategorizedSymbolRenderer,
QgsCentroidFillSymbolLayer,
QgsCoordinateReferenceSystem,
QgsFeatureRendererGenerator,
QgsFillSymbol,
QgsGeometry,
QgsLineSymbol,
QgsMapClippingRegion,
QgsMapSettings,
QgsMarkerSymbol,
QgsRectangle,
QgsRendererCategory,
QgsRuleBasedRenderer,
QgsSingleSymbolRenderer,
QgsVectorLayer,
)
import unittest
from qgis.testing import start_app, QgisTestCase
from utilities import unitTestDataPath
# Convenience instances in case you may need them
# not used in this test
start_app()
TEST_DATA_DIR = unitTestDataPath()
class TestQgsVectorLayerRenderer(QgisTestCase):
@classmethod
def control_path_prefix(cls):
return 'vectorlayerrenderer'
def testRenderWithIntersectsRegions(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
region = QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))'))
region.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.NoClipping)
region2 = QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))'))
region2.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.NoClipping)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
self.assertTrue(
self.render_map_settings_check(
'intersects_region',
'intersects_region',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'intersects_region',
'intersects_region',
mapsettings
)
)
def testRenderWithIntersectionRegions(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
region = QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))'))
region.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
region2 = QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))'))
region2.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
self.assertTrue(
self.render_map_settings_check(
'intersection_region',
'intersection_region',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'intersection_region',
'intersection_region',
mapsettings
)
)
def testIntersectionRuleBased(self):
"""
Test that rule based renderer using intersection clip paths correctly uses original feature area for rule
evaluation, not clipped area
"""
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
sym2 = QgsFillSymbol.createSimple({'color': '#00ffff', 'outline_color': '#000000', 'outline_width': '1'})
r1 = QgsRuleBasedRenderer.Rule(sym1, 0, 0, 'area($geometry)>25')
r2 = QgsRuleBasedRenderer.Rule(sym2, 0, 0, 'ELSE')
rootrule = QgsRuleBasedRenderer.Rule(None)
rootrule.appendChild(r1)
rootrule.appendChild(r2)
renderer = QgsRuleBasedRenderer(rootrule)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
mapsettings.setEllipsoid('')
region = QgsMapClippingRegion(QgsGeometry.fromWkt(
'Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))'))
region.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
region2 = QgsMapClippingRegion(QgsGeometry.fromWkt(
'Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))'))
region2.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
self.assertTrue(
self.render_map_settings_check(
'intersection_rule_based',
'intersection_rule_based',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'intersection_rule_based',
'intersection_rule_based',
mapsettings
)
)
def testRenderWithPainterClipRegions(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
region = QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon ((-11725957 5368254, -12222900 4807501, -12246014 3834025, -12014878 3496059, -11259833 3518307, -10751333 3621153, -10574129 4516741, -10847640 5194995, -11105742 5325957, -11725957 5368254))'))
region.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipPainterOnly)
region2 = QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon ((-11032549 5421399, -11533344 4693167, -11086481 4229112, -11167378 3742984, -10616504 3553984, -10161936 3925771, -9618766 4668482, -9472380 5620753, -10115709 5965063, -11032549 5421399))'))
region2.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipPainterOnly)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
self.assertTrue(
self.render_map_settings_check(
'painterclip_region',
'painterclip_region',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'painterclip_region',
'painterclip_region',
mapsettings
)
)
def testRenderWithPainterClipRegionsMultiPolygon(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
region = QgsMapClippingRegion(QgsGeometry.fromWkt(
'MultiSurface (Polygon ((-10856627.66351187042891979 5625411.45629768911749125, -11083997.96136780828237534 4995770.63146586995571852, -10887235.20360786281526089 4357384.79517805296927691, -9684796.12840820662677288 4851477.9424419105052948, -10069576.63247209787368774 5428648.69853774644434452, -10856627.66351187042891979 5625411.45629768911749125)),Polygon ((-12045949.22152753174304962 5533588.83600971661508083, -12758667.65519132651388645 4868967.96535390708595514, -12478827.28859940730035305 4296169.71498607192188501, -11783598.87784760631620884 4077544.42858613422140479, -11223918.14466376602649689 4715930.26487395167350769, -11127723.01864779368042946 5673509.01930567622184753, -11359465.8222317285835743 5809056.69687363691627979, -12045949.22152753174304962 5533588.83600971661508083),(-11341975.79931973293423653 4790262.86224992945790291, -11722383.7976556234061718 4318032.24362606555223465, -12019714.18715953826904297 4606617.62167398259043694, -11757363.84347961470484734 4908320.51690589636564255, -11341975.79931973293423653 4790262.86224992945790291)))'))
region.setFeatureClip(QgsMapClippingRegion.FeatureClippingType.ClipPainterOnly)
mapsettings.addClippingRegion(region)
self.assertTrue(
self.render_map_settings_check(
'painterclip_region_multi',
'painterclip_region_multi',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'painterclip_region_multi',
'painterclip_region_multi',
mapsettings
)
)
def testRenderMultipleRenderersBelow(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ffaaff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#33aa33', 'outline_width': '3'})
sym2 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#aa33aa', 'outline_width': '3'})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2'
def level(self):
return -3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
sym1 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#aa1111', 'outline_width': '5'})
sym2 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#1111dd', 'outline_width': '5'})
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen1'])
poly_layer.addFeatureRendererGenerator(Gen2())
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen1', 'Gen2'])
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_below',
'multiple_renderers_below',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_below',
'multiple_renderers_below',
mapsettings
)
)
poly_layer.removeFeatureRendererGenerator('Gen3')
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen1', 'Gen2'])
poly_layer.removeFeatureRendererGenerator('Gen1')
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen2'])
poly_layer.removeFeatureRendererGenerator('Gen1')
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen2'])
poly_layer.removeFeatureRendererGenerator('Gen2')
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], [])
poly_layer.removeFeatureRendererGenerator('Gen1')
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], [])
def testRenderMultipleRenderersAbove(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ffaaff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return 3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#33aa33', 'outline_style': 'no', 'size': '5'}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#aa33aa', 'outline_style': 'no', 'size': '5'}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2'
def level(self):
return 2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#aa1111', 'outline_style': 'no', 'size': '8'}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#1111dd', 'outline_style': 'no', 'size': '8'}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen1'])
poly_layer.addFeatureRendererGenerator(Gen2())
self.assertEqual([g.id() for g in poly_layer.featureRendererGenerators()], ['Gen1', 'Gen2'])
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_above',
'multiple_renderers_above',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_above',
'multiple_renderers_above',
mapsettings
)
)
def testRenderMultipleRenderersAboveAndBelow(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ffaaff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return 3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#33aa33', 'outline_style': 'no', 'size': '5'}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#aa33aa', 'outline_style': 'no', 'size': '5'}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2'
def level(self):
return 2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#aa1111', 'outline_style': 'no', 'size': '8'}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(QgsMarkerSymbol.createSimple(
{'color': '#1111dd', 'outline_style': 'no', 'size': '8'}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
# add secondary renderer, for rendering below
class Gen1b(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1b'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#33aa33', 'outline_width': '3'})
sym2 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#aa33aa', 'outline_width': '3'})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
# add secondary renderer, for rendering below
class Gen2b(QgsFeatureRendererGenerator):
def id(self):
return 'Gen2b'
def level(self):
return -3
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
sym1 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#aa1111', 'outline_width': '5'})
sym2 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#1111dd', 'outline_width': '5'})
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
poly_layer.addFeatureRendererGenerator(Gen2())
poly_layer.addFeatureRendererGenerator(Gen1b())
poly_layer.addFeatureRendererGenerator(Gen2b())
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_both_above_below',
'multiple_renderers_both_above_below',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_both_above_below',
'multiple_renderers_both_above_below',
mapsettings
)
)
def testRenderMultipleRenderersSelection(self):
"""
Test that selection colors only apply to main renderer
:return:
"""
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
poly_layer.selectAll()
sym1 = QgsFillSymbol.createSimple({'color': '#ffaaff', 'outline_color': '#000000', 'outline_style': 'no'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
# add secondary renderer, for rendering below
class Gen1(QgsFeatureRendererGenerator):
def id(self):
return 'Gen1'
def level(self):
return -2
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
sym1 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#33aa33', 'outline_width': '3'})
sym2 = QgsFillSymbol.createSimple(
{'color': '#ffaaff', 'outline_color': '#aa33aa', 'outline_width': '3'})
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
poly_layer.addFeatureRendererGenerator(Gen1())
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_selection',
'multiple_renderers_selection',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'multiple_renderers_selection',
'multiple_renderers_selection',
mapsettings
)
)
def test_reference_scale(self):
"""
Test rendering a layer with a reference scale set
"""
layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'lines.shp'), 'Lines', 'ogr')
self.assertTrue(layer.isValid())
sym1 = QgsLineSymbol.createSimple({'line_color': '#4dbf6f', 'line_width': 4, 'line_width_unit': "points"})
renderer = QgsSingleSymbolRenderer(sym1)
layer.setRenderer(renderer)
mapsettings = QgsMapSettings()
mapsettings.setDestinationCrs(layer.crs())
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setExtent(layer.extent())
mapsettings.setLayers([layer])
self.assertAlmostEqual(mapsettings.scale(), 22738556, -5)
self.assertTrue(
self.render_map_settings_check(
'reference_scale_not_set',
'reference_scale_not_set',
mapsettings
)
)
# Set the reference scale as half the map scale -- the lines should be double as wide
# as their preset width
renderer.setReferenceScale(22738556 * 2)
self.assertTrue(
self.render_map_settings_check(
'reference_scale_double',
'reference_scale_double',
mapsettings
)
)
# Set the reference scale as double the map scale -- the lines should be half as wide
# as their preset width
renderer.setReferenceScale(22738556 / 2)
self.assertTrue(
self.render_map_settings_check(
'reference_scale_half',
'reference_scale_half',
mapsettings
)
)
def testRenderWithSelectedFeatureColor(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
poly_layer.selectAll()
poly_layer.selectionProperties().setSelectionColor(
QColor(255, 0, 0)
)
poly_layer.selectionProperties().setSelectionRenderingMode(
Qgis.SelectionRenderingMode.CustomColor
)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
self.assertTrue(
self.render_map_settings_check(
'selection_color',
'selection_color',
mapsettings
)
)
def testRenderWithSelectedFeatureSymbol(self):
poly_layer = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'polys.shp'))
self.assertTrue(poly_layer.isValid())
sym1 = QgsFillSymbol.createSimple({'color': '#ff00ff', 'outline_color': '#000000', 'outline_width': '1'})
renderer = QgsSingleSymbolRenderer(sym1)
poly_layer.setRenderer(renderer)
poly_layer.selectAll()
poly_layer.selectionProperties().setSelectionSymbol(
QgsFillSymbol.createSimple({'style': 'no', 'outline_color': '#6666ff', 'outline_width': '3'})
)
poly_layer.selectionProperties().setSelectionRenderingMode(
Qgis.SelectionRenderingMode.CustomSymbol
)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings.setExtent(QgsRectangle(-13875783.2, 2266009.4, -8690110.7, 6673344.5))
mapsettings.setLayers([poly_layer])
self.assertTrue(
self.render_map_settings_check(
'selection_symbol',
'selection_symbol',
mapsettings
)
)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
self.assertTrue(
self.render_map_settings_check(
'selection_symbol',
'selection_symbol',
mapsettings
)
)
if __name__ == '__main__':
unittest.main()