本文整理汇总了Python中qgis.core.QgsLayout.gridSettings方法的典型用法代码示例。如果您正苦于以下问题:Python QgsLayout.gridSettings方法的具体用法?Python QgsLayout.gridSettings怎么用?Python QgsLayout.gridSettings使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsLayout
的用法示例。
在下文中一共展示了QgsLayout.gridSettings方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testSnapPoint
# 需要导入模块: from qgis.core import QgsLayout [as 别名]
# 或者: from qgis.core.QgsLayout import gridSettings [as 别名]
def testSnapPoint(self):
p = QgsProject()
l = QgsLayout(p)
page = QgsLayoutItemPage(l)
page.setPageSize('A4')
l.pageCollection().addPage(page)
s = QgsLayoutSnapper(l)
guides = l.guides()
# first test snapping to grid
l.gridSettings().setResolution(QgsLayoutMeasurement(5, QgsUnitTypes.LayoutMillimeters))
s.setSnapToGrid(True)
s.setSnapTolerance(1)
point, snapped = s.snapPoint(QPointF(1, 1), 1)
self.assertTrue(snapped)
self.assertEqual(point, QPointF(0, 0))
s.setSnapToGrid(False)
point, snapped = s.snapPoint(QPointF(1, 1), 1)
self.assertFalse(snapped)
self.assertEqual(point, QPointF(1, 1))
# test that guide takes precedence
s.setSnapToGrid(True)
s.setSnapToGuides(True)
guides.addGuide(QgsLayoutGuide(QgsLayoutGuide.Horizontal, QgsLayoutMeasurement(0.5), page))
point, snapped = s.snapPoint(QPointF(1, 1), 1)
self.assertTrue(snapped)
self.assertEqual(point, QPointF(0, 0.5))
示例2: testSnapRect
# 需要导入模块: from qgis.core import QgsLayout [as 别名]
# 或者: from qgis.core.QgsLayout import gridSettings [as 别名]
def testSnapRect(self):
p = QgsProject()
l = QgsLayout(p)
page = QgsLayoutItemPage(l)
page.setPageSize('A4')
l.pageCollection().addPage(page)
s = QgsLayoutSnapper(l)
guides = l.guides()
# first test snapping to grid
l.gridSettings().setResolution(QgsLayoutMeasurement(5, QgsUnitTypes.LayoutMillimeters))
s.setSnapToItems(False)
s.setSnapToGrid(True)
s.setSnapTolerance(1)
rect, snapped = s.snapRect(QRectF(1, 1, 2, 1), 1)
self.assertTrue(snapped)
self.assertEqual(rect, QRectF(0, 0, 2, 1))
rect, snapped = s.snapRect(QRectF(1, 1, 3.5, 3.5), 1)
self.assertTrue(snapped)
self.assertEqual(rect, QRectF(1.5, 1.5, 3.5, 3.5))
s.setSnapToItems(False)
s.setSnapToGrid(False)
rect, snapped = s.snapRect(QRectF(1, 1, 3.5, 3.5), 1)
self.assertFalse(snapped)
self.assertEqual(rect, QRectF(1, 1, 3.5, 3.5))
# test that guide takes precedence
s.setSnapToGrid(True)
s.setSnapToGuides(True)
guides.addGuide(QgsLayoutGuide(Qt.Horizontal, QgsLayoutMeasurement(0.5), page))
rect, snapped = s.snapRect(QRectF(1, 1, 2, 3), 1)
self.assertTrue(snapped)
self.assertEqual(rect, QRectF(0.0, 0.5, 2.0, 3.0))
# add an item
item1 = QgsLayoutItemMap(l)
item1.attemptMove(QgsLayoutPoint(121, 1.1, QgsUnitTypes.LayoutMillimeters))
l.addItem(item1)
# test that guide takes precedence over item
s.setSnapToGrid(True)
s.setSnapToGuides(True)
s.setSnapToItems(True)
rect, snapped = s.snapRect(QRectF(1, 1, 2, 3), 1)
self.assertTrue(snapped)
self.assertEqual(rect, QRectF(0.0, 0.5, 2.0, 3.0))
# but items take precedence over grid
s.setSnapToGuides(False)
rect, snapped = s.snapRect(QRectF(1, 1, 2, 3), 1)
self.assertTrue(snapped)
self.assertEqual(rect, QRectF(0.0, 1.1, 2.0, 3.0))
# ... unless item is ignored!
rect, snapped = s.snapRect(QRectF(1, 1, 2, 3), 1, None, None, [item1])
self.assertTrue(snapped)
self.assertEqual(rect, QRectF(0.0, 0.0, 2.0, 3.0))
示例3: testSnapPointsToGrid
# 需要导入模块: from qgis.core import QgsLayout [as 别名]
# 或者: from qgis.core.QgsLayout import gridSettings [as 别名]
def testSnapPointsToGrid(self):
p = QgsProject()
l = QgsLayout(p)
# need a page to snap to grid
page = QgsLayoutItemPage(l)
page.setPageSize('A4')
l.pageCollection().addPage(page)
s = QgsLayoutSnapper(l)
l.gridSettings().setResolution(QgsLayoutMeasurement(5, QgsUnitTypes.LayoutMillimeters))
s.setSnapToGrid(True)
s.setSnapTolerance(1)
delta, snappedX, snappedY = s.snapPointsToGrid([QPointF(1, 0.5)], 1)
self.assertTrue(snappedX)
self.assertTrue(snappedY)
self.assertEqual(delta, QPointF(-1, -0.5))
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(9, 2), QPointF(12, 6)], 1)
self.assertTrue(snappedX)
self.assertTrue(snappedY)
self.assertEqual(point, QPointF(1, -1))
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(9, 2), QPointF(12, 7)], 1)
self.assertTrue(snappedX)
self.assertFalse(snappedY)
self.assertEqual(point, QPointF(1, 0))
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(8, 2), QPointF(12, 6)], 1)
self.assertFalse(snappedX)
self.assertTrue(snappedY)
self.assertEqual(point, QPointF(0, -1))
# grid disabled
s.setSnapToGrid(False)
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(1, 1)], 1)
self.assertFalse(snappedX)
self.assertFalse(snappedY)
self.assertEqual(point, QPointF(0, 0))
s.setSnapToGrid(True)
# with different pixel scale
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(0.5, 0.5)], 1)
self.assertTrue(snappedX)
self.assertTrue(snappedY)
self.assertEqual(point, QPointF(-.5, -.5))
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(0.5, 0.5)], 3)
self.assertFalse(snappedX)
self.assertFalse(snappedY)
self.assertEqual(point, QPointF(0, 0))
# with offset grid
l.gridSettings().setOffset(QgsLayoutPoint(2, 0))
point, snappedX, snappedY = s.snapPointsToGrid([QPointF(13, 23)], 1)
self.assertTrue(snappedX)
self.assertFalse(snappedY)
self.assertEqual(point, QPointF(-1, 0))
示例4: testReadWriteXml
# 需要导入模块: from qgis.core import QgsLayout [as 别名]
# 或者: from qgis.core.QgsLayout import gridSettings [as 别名]
def testReadWriteXml(self):
p = QgsProject()
l = QgsLayout(p)
l.setName('my layout')
l.setUnits(QgsUnitTypes.LayoutInches)
collection = l.pageCollection()
# add a page
page = QgsLayoutItemPage(l)
page.setPageSize('A6')
collection.addPage(page)
grid = l.gridSettings()
grid.setResolution(QgsLayoutMeasurement(5, QgsUnitTypes.LayoutPoints))
g1 = QgsLayoutGuide(Qt.Horizontal, QgsLayoutMeasurement(5, QgsUnitTypes.LayoutCentimeters),
l.pageCollection().page(0))
l.guides().addGuide(g1)
snapper = l.snapper()
snapper.setSnapTolerance(7)
# add some items
item1 = QgsLayoutItemMap(l)
item1.setId('xxyyxx')
l.addItem(item1)
item2 = QgsLayoutItemMap(l)
item2.setId('zzyyzz')
l.addItem(item2)
doc = QDomDocument("testdoc")
elem = l.writeXml(doc, QgsReadWriteContext())
l2 = QgsLayout(p)
self.assertTrue(l2.readXml(elem, doc, QgsReadWriteContext()))
self.assertEqual(l2.name(), 'my layout')
self.assertEqual(l2.units(), QgsUnitTypes.LayoutInches)
collection2 = l2.pageCollection()
self.assertEqual(collection2.pageCount(), 1)
self.assertAlmostEqual(collection2.page(0).pageSize().width(), 105, 4)
self.assertEqual(collection2.page(0).pageSize().height(), 148)
self.assertEqual(l2.gridSettings().resolution().length(), 5.0)
self.assertEqual(l2.gridSettings().resolution().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(l2.guides().guidesOnPage(0)[0].orientation(), Qt.Horizontal)
self.assertEqual(l2.guides().guidesOnPage(0)[0].position().length(), 5.0)
self.assertEqual(l2.guides().guidesOnPage(0)[0].position().units(), QgsUnitTypes.LayoutCentimeters)
self.assertEqual(l2.snapper().snapTolerance(), 7)
# check restored items
new_item1 = l2.itemByUuid(item1.uuid())
self.assertTrue(new_item1)
self.assertEqual(new_item1.id(), 'xxyyxx')
new_item2 = l2.itemByUuid(item2.uuid())
self.assertTrue(new_item2)
self.assertEqual(new_item2.id(), 'zzyyzz')
示例5: testUndoRedo
# 需要导入模块: from qgis.core import QgsLayout [as 别名]
# 或者: from qgis.core.QgsLayout import gridSettings [as 别名]
def testUndoRedo(self):
p = QgsProject()
l = QgsLayout(p)
g = l.gridSettings()
g.setResolution(QgsLayoutMeasurement(15, QgsUnitTypes.LayoutPoints))
# these two commands should be 'collapsed'
g.setOffset(QgsLayoutPoint(555, 10, QgsUnitTypes.LayoutPoints))
g.setOffset(QgsLayoutPoint(5, 10, QgsUnitTypes.LayoutPoints))
# these two commands should be 'collapsed'
g.setResolution(QgsLayoutMeasurement(45, QgsUnitTypes.LayoutInches))
g.setResolution(QgsLayoutMeasurement(35, QgsUnitTypes.LayoutInches))
self.assertEqual(g.offset().x(), 5.0)
self.assertEqual(g.offset().y(), 10.0)
self.assertEqual(g.offset().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(g.resolution().length(), 35.0)
self.assertEqual(g.resolution().units(), QgsUnitTypes.LayoutInches)
l.undoStack().stack().undo()
self.assertEqual(g.offset().x(), 5.0)
self.assertEqual(g.offset().y(), 10.0)
self.assertEqual(g.offset().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(g.resolution().length(), 15.0)
self.assertEqual(g.resolution().units(), QgsUnitTypes.LayoutPoints)
l.undoStack().stack().undo()
self.assertEqual(g.offset().x(), 0.0)
self.assertEqual(g.offset().y(), 0.0)
self.assertEqual(g.offset().units(), QgsUnitTypes.LayoutMillimeters)
self.assertEqual(g.resolution().length(), 15.0)
self.assertEqual(g.resolution().units(), QgsUnitTypes.LayoutPoints)
l.undoStack().stack().redo()
self.assertEqual(g.offset().x(), 5.0)
self.assertEqual(g.offset().y(), 10.0)
self.assertEqual(g.offset().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(g.resolution().length(), 15.0)
self.assertEqual(g.resolution().units(), QgsUnitTypes.LayoutPoints)
l.undoStack().stack().redo()
self.assertEqual(g.offset().x(), 5.0)
self.assertEqual(g.offset().y(), 10.0)
self.assertEqual(g.offset().units(), QgsUnitTypes.LayoutPoints)
self.assertEqual(g.resolution().length(), 35.0)
self.assertEqual(g.resolution().units(), QgsUnitTypes.LayoutInches)