def testRenderLineLayerDataDefined(self):
""" test that rendering a line symbol with data defined enabled layer works"""
lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
QgsProject.instance().addMapLayer(lines_layer)
layer = QgsSimpleLineSymbolLayer()
layer.setDataDefinedProperty(QgsSymbolLayer.PropertyLayerEnabled, QgsProperty.fromExpression("Name='Highway'"))
layer.setColor(QColor(100, 150, 150))
layer.setWidth(5)
symbol = QgsLineSymbol()
symbol.changeSymbolLayer(0, layer)
lines_layer.setRenderer(QgsSingleSymbolRenderer(symbol))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-133, 22, -70, 52))
ms.setLayers([lines_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_layer')
renderchecker.setControlName('expected_linelayer_ddenabled')
self.assertTrue(renderchecker.runTest('linelayer_ddenabled'))
QgsProject.instance().removeMapLayer(lines_layer)
def testHashPlacement(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Vertex)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(7)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_vertex', 'line_hash_vertex', rendered_image)
s.symbolLayer(0).setPlacement(QgsTemplatedLineSymbolLayerBase.FirstVertex)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_first', 'line_hash_first', rendered_image)
s.symbolLayer(0).setPlacement(QgsTemplatedLineSymbolLayerBase.LastVertex)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_last', 'line_hash_last', rendered_image)
def testLineOffset(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
s.symbolLayer(0).setOffset(3)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_offset_positive', 'line_offset_positive', rendered_image)
s.symbolLayer(0).setOffset(-3)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_offset_negative', 'line_offset_negative', rendered_image)
def testHashAngle(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(7)
hash_line.setHashAngle(45)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_angle', 'line_hash_angle',
rendered_image)
s.symbolLayer(0).setRotateSymbols(False)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_no_rotate', 'line_hash_no_rotate',
rendered_image)
def testPointNumInterval(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
s.symbolLayer(0).setDataDefinedProperty(
QgsSymbolLayer.PropertyLineDistance,
QgsProperty.fromExpression("@geometry_point_num * 2"))
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_dd_size', 'line_dd_size', rendered_image)
def testRenderLineLayerDataDefined(self):
""" test that rendering a line symbol with data defined enabled layer works"""
lines_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
lines_layer = QgsVectorLayer(lines_shp, 'Lines', 'ogr')
QgsProject.instance().addMapLayer(lines_layer)
layer = QgsSimpleLineSymbolLayer()
layer.setDataDefinedProperty(
QgsSymbolLayer.PropertyLayerEnabled,
QgsProperty.fromExpression("Name='Highway'"))
layer.setColor(QColor(100, 150, 150))
layer.setWidth(5)
symbol = QgsLineSymbol()
symbol.changeSymbolLayer(0, layer)
lines_layer.setRenderer(QgsSingleSymbolRenderer(symbol))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-133, 22, -70, 52))
ms.setLayers([lines_layer])
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_layer')
renderchecker.setControlName('expected_linelayer_ddenabled')
self.assertTrue(renderchecker.runTest('linelayer_ddenabled'))
QgsProject.instance().removeMapLayer(lines_layer)
def testLineOffset(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
s.appendSymbolLayer(hash_line.clone())
s.symbolLayer(0).setOffset(3)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_offset_positive', 'line_offset_positive',
rendered_image)
s.symbolLayer(0).setOffset(-3)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_offset_negative', 'line_offset_negative',
rendered_image)
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
self.assertEqual(
s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings)
s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
self.assertEqual(
s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
s2 = s.clone()
self.assertEqual(
s2.symbolLayer(0).ringFilter(),
QgsLineSymbolLayer.ExteriorRingOnly)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(
s2.symbolLayer(0).ringFilter(),
QgsLineSymbolLayer.ExteriorRingOnly)
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(hash_line.clone())
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
g = QgsGeometry.fromWkt(
'Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))'
)
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('hashline_exterioronly',
'hashline_exterioronly', rendered_image)
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly)
g = QgsGeometry.fromWkt(
'Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))'
)
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('hashline_interioronly',
'hashline_interioronly', rendered_image)
def setSectorsStyle(self, layer):
# get unique values
field = 'Class'
fni = layer.fields().indexFromName(field)
if fni == -1: # Hydraulic sectors
field = 'SubNet'
fni = layer.fields().indexFromName(field)
unique_values = layer.dataProvider().uniqueValues(fni)
# define categories
categories = []
for unique_value in unique_values:
# initialize the default symbol for this geometry type
symbol = QgsSymbol.defaultSymbol(layer.geometryType())
# configure a symbol layer
symbol_layer = None
if layer.geometryType() == 0: # Point
layer_style = dict()
layer_style['color'] = '%d, %d, %d' % (randrange(
0, 256), randrange(0, 256), randrange(0, 256))
layer_style['size'] = str(2)
symbol_layer = QgsSimpleMarkerSymbolLayer.create(layer_style)
else:
symbol = QgsLineSymbol().createSimple({})
symbol.deleteSymbolLayer(0)
# Line
lineSymbol = QgsSimpleLineSymbolLayer()
lineSymbol.setWidthUnit(2) # Pixels
lineSymbol.setWidth(1.5)
lineSymbol.setColor(
QColor(randrange(0, 256), randrange(0, 256),
randrange(0, 256)))
symbol.appendSymbolLayer(lineSymbol)
# replace default symbol layer with the configured one
if symbol_layer is not None:
symbol.changeSymbolLayer(0, symbol_layer)
# create renderer object
category = QgsRendererCategory(unique_value, symbol,
str(unique_value))
# entry for the list of category items
categories.append(category)
# create renderer object
renderer = QgsCategorizedSymbolRenderer(field, categories)
# assign the created renderer to the layer
if renderer is not None:
layer.setRenderer(renderer)
def testRingFilter(self):
# test filtering rings during rendering
s = QgsFillSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.AllRings)
s.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
self.assertEqual(s.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
s2 = s.clone()
self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
doc = QDomDocument()
context = QgsReadWriteContext()
element = QgsSymbolLayerUtils.saveSymbol('test', s, doc, context)
s2 = QgsSymbolLayerUtils.loadSymbol(element, context)
self.assertEqual(s2.symbolLayer(0).ringFilter(), QgsLineSymbolLayer.ExteriorRingOnly)
# rendering test
s3 = QgsFillSymbol()
s3.deleteSymbolLayer(0)
s3.appendSymbolLayer(
hash_line.clone())
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.ExteriorRingOnly)
g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('hashline_exterioronly', 'hashline_exterioronly', rendered_image)
s3.symbolLayer(0).setRingFilter(QgsLineSymbolLayer.InteriorRingsOnly)
g = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0),(1 1, 1 2, 2 2, 2 1, 1 1),(8 8, 9 8, 9 9, 8 9, 8 8))')
rendered_image = self.renderGeometry(s3, g)
assert self.imageCheck('hashline_interioronly', 'hashline_interioronly', rendered_image)
def testSegmentCenter(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.SegmentCenter)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 0, 0 10)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_segmentcenter', 'line_hash_segmentcenter', rendered_image)
def testOpacityWithDataDefinedColor(self):
line_shp = os.path.join(TEST_DATA_DIR, 'lines.shp')
line_layer = QgsVectorLayer(line_shp, 'Lines', 'ogr')
self.assertTrue(line_layer.isValid())
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setDataDefinedProperty(QgsSymbolLayer.PropertyStrokeColor, QgsProperty.fromExpression(
"if(Name='Arterial', 'red', 'green')"))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
line_symbol.setOpacity(0.5)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
# set opacity on both the symbol and subsymbol, to test that they get combined
s.setOpacity(0.5)
line_layer.setRenderer(QgsSingleSymbolRenderer(s))
ms = QgsMapSettings()
ms.setOutputSize(QSize(400, 400))
ms.setOutputDpi(96)
ms.setExtent(QgsRectangle(-118.5, 19.0, -81.4, 50.4))
ms.setLayers([line_layer])
# Test rendering
renderchecker = QgsMultiRenderChecker()
renderchecker.setMapSettings(ms)
renderchecker.setControlPathPrefix('symbol_hashline')
renderchecker.setControlName('expected_hashline_opacityddcolor')
res = renderchecker.runTest('expected_hashline_opacityddcolor')
self.report += renderchecker.report()
self.assertTrue(res)
def testHashAverageAngle(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.CentralPoint)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(7)
hash_line.setHashAngle(45)
hash_line.setAverageAngleLength(30)
s.appendSymbolLayer(hash_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_center_average_angle', 'line_hash_center_average_angle', rendered_image)
def testSingleLines(self):
source = QgsVectorLayer(os.path.join(TEST_DATA_DIR, 'lines_touching.shp'))
self.assertTrue(source.isValid())
map_settings = QgsMapSettings()
map_settings.setExtent(source.extent().buffered(2))
map_settings.setDestinationCrs(source.crs())
map_settings.setLayers([source])
layer = QgsSimpleLineSymbolLayer()
layer.setColor(QColor(0, 0, 0))
layer.setWidth(1)
symbol = QgsLineSymbol([layer])
layer2 = QgsMarkerLineSymbolLayer()
layer2.setPlacement(QgsTemplatedLineSymbolLayerBase.FirstVertex)
marker = QgsMarkerSymbol.createSimple({'size': '4', 'color': '255,0,0', 'outline_style': 'no'})
layer2.setSubSymbol(marker)
symbol.appendSymbolLayer(layer2)
sub_renderer = QgsSingleSymbolRenderer(symbol)
source.setRenderer(QgsMergedFeatureRenderer(sub_renderer))
self.assertTrue(self.imageCheck('lines_single_subrenderer', 'lines_single_subrenderer', map_settings))
def testSimpleLineWithOffset(self):
""" test that rendering a polygon with simple line symbol with offset results in closed line"""
layer = QgsSimpleLineSymbolLayer()
layer.setOffset(-1)
layer.setColor(QColor(0, 0, 0))
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0))')
f = QgsFeature()
f.setGeometry(geom)
extent = geom.constGet().boundingBox()
# buffer extent by 10%
extent = extent.buffered((extent.height() + extent.width()) / 20.0)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(
self.imageCheck('symbol_layer', 'fill_simpleline_offset', image))
def testHashPlacement(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Vertex)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(7)
s.appendSymbolLayer(hash_line.clone())
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_vertex', 'line_hash_vertex',
rendered_image)
s.symbolLayer(0).setPlacement(
QgsTemplatedLineSymbolLayerBase.FirstVertex)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_first', 'line_hash_first',
rendered_image)
s.symbolLayer(0).setPlacement(
QgsTemplatedLineSymbolLayerBase.LastVertex)
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_hash_last', 'line_hash_last',
rendered_image)
def testSimpleLineWithOffset(self):
""" test that rendering a polygon with simple line symbol with offset results in closed line"""
layer = QgsSimpleLineSymbolLayer()
layer.setOffset(-1)
layer.setColor(QColor(0, 0, 0))
symbol = QgsFillSymbol()
symbol.changeSymbolLayer(0, layer)
image = QImage(200, 200, QImage.Format_RGB32)
painter = QPainter()
ms = QgsMapSettings()
geom = QgsGeometry.fromWkt('Polygon((0 0, 10 0, 10 10, 0 10, 0 0))')
f = QgsFeature()
f.setGeometry(geom)
extent = geom.constGet().boundingBox()
# buffer extent by 10%
extent = extent.buffered((extent.height() + extent.width()) / 20.0)
ms.setExtent(extent)
ms.setOutputSize(image.size())
context = QgsRenderContext.fromMapSettings(ms)
context.setPainter(painter)
context.setScaleFactor(96 / 25.4) # 96 DPI
painter.begin(image)
image.fill(QColor(255, 255, 255))
symbol.startRender(context)
symbol.renderFeature(f, context)
symbol.stopRender(context)
painter.end()
self.assertTrue(self.imageCheck('symbol_layer', 'fill_simpleline_offset', image))
def testPointNumInterval(self):
s = QgsLineSymbol()
s.deleteSymbolLayer(0)
hash_line = QgsHashedLineSymbolLayer(True)
hash_line.setPlacement(QgsTemplatedLineSymbolLayerBase.Interval)
hash_line.setInterval(6)
simple_line = QgsSimpleLineSymbolLayer()
simple_line.setColor(QColor(0, 255, 0))
simple_line.setWidth(1)
line_symbol = QgsLineSymbol()
line_symbol.changeSymbolLayer(0, simple_line)
hash_line.setSubSymbol(line_symbol)
hash_line.setHashLength(10)
hash_line.setAverageAngleLength(0)
s.appendSymbolLayer(hash_line.clone())
s.symbolLayer(0).setDataDefinedProperty(QgsSymbolLayer.PropertyLineDistance, QgsProperty.fromExpression(
"@geometry_point_num * 2"))
g = QgsGeometry.fromWkt('LineString(0 0, 10 10, 10 0)')
rendered_image = self.renderGeometry(s, g)
assert self.imageCheck('line_dd_size', 'line_dd_size', rendered_image)
def setStyle(self, layer, name):
if name == "":
return
stylePath = os.path.join(os.path.dirname(os.path.dirname(__file__)),
"layerStyles")
# user style
qmlPath = os.path.join(stylePath, name + "_user.qml")
if os.path.exists(qmlPath):
layer.loadNamedStyle(qmlPath)
return
# default style
qmlPath = os.path.join(stylePath, name + ".qml.bak")
if os.path.exists(qmlPath):
layer.loadNamedStyle(qmlPath)
svgPath = os.path.join(stylePath, name + ".svg")
if os.path.exists(svgPath):
if layer.geometryType() == 0: # Point
svg_style = dict()
svg_style['name'] = svgPath
svg_style['size'] = str(7)
if name == "demands":
svg_style['fill'] = '#9a1313'
symbol_layer = QgsSvgMarkerSymbolLayer.create(svg_style)
symbol = QgsSymbol.defaultSymbol(layer.geometryType())
symbol.changeSymbolLayer(0, symbol_layer)
renderer = QgsSingleSymbolRenderer(symbol)
else: # Line
symbol = QgsLineSymbol().createSimple({})
symbol.deleteSymbolLayer(0)
# Line
lineSymbol = QgsSimpleLineSymbolLayer()
lineSymbol.setWidthUnit(2) # Pixels
lineSymbol.setWidth(1.5)
if name == "pipes":
lineSymbol.setColor(QColor("#0f1291"))
symbol.appendSymbolLayer(lineSymbol)
# Symbol
marker = QgsMarkerSymbol.createSimple({})
marker.deleteSymbolLayer(0)
svg_props = dict()
svg_props['name'] = svgPath
size = 5
if name == "pipes":
size = 0
svg_props['size'] = str(size)
svg_props['offset'] = '-0.5,-0.5'
svg_props['offset_unit'] = 'Pixel'
markerSymbol = QgsSvgMarkerSymbolLayer.create(svg_props)
marker.appendSymbolLayer(markerSymbol)
# Final Symbol
finalMarker = QgsMarkerLineSymbolLayer()
finalMarker.setSubSymbol(marker)
finalMarker.setPlacement(QgsMarkerLineSymbolLayer.CentralPoint)
symbol.appendSymbolLayer(finalMarker)
if name == "pipes":
prop = QgsProperty()
prop.setExpressionString(
"if(IniStatus is NULL, 0,if(IniStatus !='CV', 0,5))")
symbol.symbolLayer(1).setDataDefinedProperty(
9, prop) # 9 = PropertyWidth
renderer = QgsSingleSymbolRenderer(symbol)
layer.setRenderer(renderer)
def testCondenseFillAndOutline(self):
"""
Test QgsSymbolLayerUtils.condenseFillAndOutline
"""
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
None, None))
# not simple fill or line
self.assertFalse(
QgsSymbolLayerUtils.condenseFillAndOutline(
QgsShapeburstFillSymbolLayer(), QgsSimpleLineSymbolLayer()))
self.assertFalse(
QgsSymbolLayerUtils.condenseFillAndOutline(
QgsSimpleFillSymbolLayer(), QgsMarkerLineSymbolLayer()))
# simple fill/line
fill = QgsSimpleFillSymbolLayer()
line = QgsSimpleLineSymbolLayer()
# set incompatible settings on outline
line.setUseCustomDashPattern(True)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setDashPatternOffset(1)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setAlignDashPattern(True)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setTweakDashPatternOnCorners(True)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setTrimDistanceStart(1)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setTrimDistanceEnd(1)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setDrawInsidePolygon(True)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setRingFilter(QgsSimpleLineSymbolLayer.ExteriorRingOnly)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setOffset(1)
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
line = QgsSimpleLineSymbolLayer()
line.setDataDefinedProperty(QgsSymbolLayer.PropertyTrimEnd,
QgsProperty.fromValue(4))
self.assertFalse(QgsSymbolLayerUtils.condenseFillAndOutline(
fill, line))
# compatible!
line = QgsSimpleLineSymbolLayer()
line.setColor(QColor(255, 0, 0))
line.setWidth(1.2)
line.setWidthUnit(QgsUnitTypes.RenderPoints)
line.setWidthMapUnitScale(QgsMapUnitScale(1, 2))
line.setPenJoinStyle(Qt.MiterJoin)
line.setPenStyle(Qt.DashDotDotLine)
self.assertTrue(QgsSymbolLayerUtils.condenseFillAndOutline(fill, line))
self.assertEqual(fill.strokeColor(), QColor(255, 0, 0))
self.assertEqual(fill.strokeWidth(), 1.2)
self.assertEqual(fill.strokeWidthUnit(), QgsUnitTypes.RenderPoints)
self.assertEqual(fill.strokeWidthMapUnitScale(), QgsMapUnitScale(1, 2))
self.assertEqual(fill.penJoinStyle(), Qt.MiterJoin)
self.assertEqual(fill.strokeStyle(), Qt.DashDotDotLine)
