def testClippingRegionsForLayer(self):
layer = QgsVectorLayer(
"Point?field=fldtxt:string&field=fldint:integer", "addfeat",
"memory")
layer2 = QgsVectorLayer(
"Point?field=fldtxt:string&field=fldint:integer", "addfeat",
"memory")
region = QgsMapClippingRegion(
QgsGeometry.fromWkt('Polygon((0 0, 1 0, 1 1, 0 1, 0 0))'))
region2 = QgsMapClippingRegion(
QgsGeometry.fromWkt('Polygon((0 0, 0.1 0, 0.1 2, 0 2, 0 0))'))
region2.setRestrictedLayers([layer])
region2.setRestrictToLayers(True)
ms = QgsMapSettings()
ms.addClippingRegion(region)
ms.addClippingRegion(region2)
rc = QgsRenderContext.fromMapSettings(ms)
regions = QgsMapClippingUtils.collectClippingRegionsForLayer(rc, layer)
self.assertEqual(len(regions), 2)
self.assertEqual(regions[0].geometry().asWkt(1),
'Polygon ((0 0, 1 0, 1 1, 0 1, 0 0))')
self.assertEqual(regions[1].geometry().asWkt(1),
'Polygon ((0 0, 0.1 0, 0.1 2, 0 2, 0 0))')
regions = QgsMapClippingUtils.collectClippingRegionsForLayer(
rc, layer2)
self.assertEqual(len(regions), 1)
self.assertEqual(regions[0].geometry().asWkt(1),
'Polygon ((0 0, 1 0, 1 1, 0 1, 0 0))')
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)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersection_rule_based')
result = renderchecker.runTest('expected_intersection_rule_based')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersection_rule_based')
result = renderchecker.runTest('expected_intersection_rule_based')
self.report += renderchecker.report()
self.assertTrue(result)
def testClippingRegion(self):
ms = QgsMapSettings()
rc = QgsRenderContext.fromMapSettings(ms)
self.assertFalse(rc.clippingRegions())
ms.addClippingRegion(QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon(( 0 0, 1 0 , 1 1 , 0 1, 0 0 ))')))
ms.addClippingRegion(QgsMapClippingRegion(QgsGeometry.fromWkt('Polygon(( 10 0, 11 0 , 11 1 , 10 1, 10 0 ))')))
rc = QgsRenderContext.fromMapSettings(ms)
self.assertEqual(len(rc.clippingRegions()), 2)
self.assertEqual(rc.clippingRegions()[0].geometry().asWkt(), 'Polygon ((0 0, 1 0, 1 1, 0 1, 0 0))')
self.assertEqual(rc.clippingRegions()[1].geometry().asWkt(), 'Polygon ((10 0, 11 0, 11 1, 10 1, 10 0))')
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)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersects_region')
result = renderchecker.runTest('expected_intersects_region')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_intersects_region')
result = renderchecker.runTest('expected_intersects_region')
self.report += renderchecker.report()
self.assertTrue(result)
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)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_painterclip_region_multi')
result = renderchecker.runTest('expected_painterclip_region_multi')
self.report += renderchecker.report()
self.assertTrue(result)
# also try with symbol levels
renderer.setUsingSymbolLevels(True)
poly_layer.setRenderer(renderer)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('vectorlayerrenderer')
renderchecker.setControlName('expected_painterclip_region_multi')
result = renderchecker.runTest('expected_painterclip_region_multi')
self.report += renderchecker.report()
self.assertTrue(result)
def testRenderClipRegion(self):
layer = QgsPointCloudLayer(
unitTestDataPath() + '/point_clouds/ept/rgb/ept.json', 'test',
'ept')
self.assertTrue(layer.isValid())
layer.renderer().setPointSize(2)
layer.renderer().setPointSizeUnit(QgsUnitTypes.RenderMillimeters)
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:4326'))
mapsettings.setExtent(
QgsRectangle(152.977434544, -26.663017454, 152.977424882,
-26.663009624))
mapsettings.setLayers([layer])
region = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((152.97742833685992991 -26.66301088198133584, 152.97742694456141521 -26.66301085776744983, 152.97742676295726483 -26.66301358182974468, 152.97742895431403554 -26.66301349708113833, 152.97742833685992991 -26.66301088198133584))'
))
region.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipPainterOnly)
region2 = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((152.97743215054714483 -26.66301111201326535, 152.97742715037946937 -26.66301116044103736, 152.97742754990858316 -26.66301436878107367, 152.97743264693181686 -26.66301491359353193, 152.97743215054714483 -26.66301111201326535))'
))
region2.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('pointcloudrenderer')
renderchecker.setControlName('expected_clip_region')
result = renderchecker.runTest('expected_clip_region')
TestQgsPointCloudRgbRenderer.report += renderchecker.report()
self.assertTrue(result)
def testRenderWithPainterClipRegions(self):
raster_layer = QgsRasterLayer(
os.path.join(TEST_DATA_DIR, 'rgb256x256.png'))
self.assertTrue(raster_layer.isValid())
raster_layer.setCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
mapsettings = QgsMapSettings()
mapsettings.setOutputSize(QSize(400, 400))
mapsettings.setOutputDpi(96)
mapsettings.setDestinationCrs(
QgsCoordinateReferenceSystem('EPSG:4326'))
mapsettings.setExtent(
QgsRectangle(0.0001451, -0.0001291, 0.0021493, -0.0021306))
mapsettings.setLayers([raster_layer])
region = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((0.00131242078273144 -0.00059281669806561, 0.00066744230712249 -0.00110186995774045, 0.00065145110524788 -0.00152830200772984, 0.00141369839460392 -0.00189076925022083, 0.00210931567614912 -0.00094195793899443, 0.00169354442740946 -0.00067810310806349, 0.00131242078273144 -0.00059281669806561))'
))
region.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipPainterOnly)
region2 = QgsMapClippingRegion(
QgsGeometry.fromWkt(
'Polygon ((0.00067010750743492 -0.0007740503193111, 0.00064612070462302 -0.00151764120648011, 0.00153629760897587 -0.00158693641460339, 0.0014909892036645 -0.00063812510337699, 0.00106722235398754 -0.00055816909400397, 0.00067010750743492 -0.0007740503193111))'
))
region2.setFeatureClip(
QgsMapClippingRegion.FeatureClippingType.ClipToIntersection)
mapsettings.addClippingRegion(region)
mapsettings.addClippingRegion(region2)
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(mapsettings)
renderchecker.setControlPathPrefix('rasterlayerrenderer')
renderchecker.setControlName('expected_painterclip_region')
result = renderchecker.runTest('expected_painterclip_region')
self.report += renderchecker.report()
self.assertTrue(result)
