本文整理匯總了Python中qgis.core.QgsHashedLineSymbolLayer.setInterval方法的典型用法代碼示例。如果您正苦於以下問題：Python QgsHashedLineSymbolLayer.setInterval方法的具體用法？Python QgsHashedLineSymbolLayer.setInterval怎麽用？Python QgsHashedLineSymbolLayer.setInterval使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類qgis.core.QgsHashedLineSymbolLayer的用法示例。
在下文中一共展示了QgsHashedLineSymbolLayer.setInterval方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: testLineOffset
# 需要導入模塊: from qgis.core import QgsHashedLineSymbolLayer [as 別名]
# 或者: from qgis.core.QgsHashedLineSymbolLayer import setInterval [as 別名]
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)示例2: testHashPlacement
# 需要導入模塊: from qgis.core import QgsHashedLineSymbolLayer [as 別名]
# 或者: from qgis.core.QgsHashedLineSymbolLayer import setInterval [as 別名]
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)示例3: testRingFilter
# 需要導入模塊: from qgis.core import QgsHashedLineSymbolLayer [as 別名]
# 或者: from qgis.core.QgsHashedLineSymbolLayer import setInterval [as 別名]
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)示例4: testPointNumInterval
# 需要導入模塊: from qgis.core import QgsHashedLineSymbolLayer [as 別名]
# 或者: from qgis.core.QgsHashedLineSymbolLayer import setInterval [as 別名]
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)