def testTrueNorth(self):
"""Test syncing picture to true north"""
layout = QgsLayout(QgsProject.instance())
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(0, 0, 10, 10))
map.setCrs(QgsCoordinateReferenceSystem.fromEpsgId(3575))
map.setExtent(QgsRectangle(-2126029.962, -2200807.749, -119078.102, -757031.156))
layout.addLayoutItem(map)
picture = QgsLayoutItemPicture(layout)
layout.addLayoutItem(picture)
picture.setLinkedMap(map)
self.assertEqual(picture.linkedMap(), map)
picture.setNorthMode(QgsLayoutItemPicture.TrueNorth)
self.assertAlmostEqual(picture.pictureRotation(), 37.20, 1)
# shift map
map.setExtent(QgsRectangle(2120672.293, -3056394.691, 2481640.226, -2796718.780))
self.assertAlmostEqual(picture.pictureRotation(), -38.18, 1)
# rotate map
map.setMapRotation(45)
self.assertAlmostEqual(picture.pictureRotation(), -38.18 + 45, 1)
# add an offset
picture.setNorthOffset(-10)
self.assertAlmostEqual(picture.pictureRotation(), -38.18 + 35, 1)
def testTrueNorth(self):
"""Test syncing picture to true north"""
layout = QgsLayout(QgsProject.instance())
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(0, 0, 10, 10))
map.setCrs(QgsCoordinateReferenceSystem.fromEpsgId(3575))
map.setExtent(
QgsRectangle(-2126029.962, -2200807.749, -119078.102, -757031.156))
layout.addLayoutItem(map)
picture = QgsLayoutItemPicture(layout)
layout.addLayoutItem(picture)
picture.setLinkedMap(map)
self.assertEqual(picture.linkedMap(), map)
picture.setNorthMode(QgsLayoutItemPicture.TrueNorth)
self.assertAlmostEqual(picture.pictureRotation(), 37.20, 1)
# shift map
map.setExtent(
QgsRectangle(2120672.293, -3056394.691, 2481640.226, -2796718.780))
self.assertAlmostEqual(picture.pictureRotation(), -38.18, 1)
# rotate map
map.setMapRotation(45)
self.assertAlmostEqual(picture.pictureRotation(), -38.18 + 45, 1)
# add an offset
picture.setNorthOffset(-10)
self.assertAlmostEqual(picture.pictureRotation(), -38.18 + 35, 1)
def testNorthArrowWithMapItemRotation(self):
"""Test picture rotation when map item is also rotated"""
layout = QgsLayout(QgsProject.instance())
map = QgsLayoutItemMap(layout)
map.setExtent(QgsRectangle(0, -256, 256, 0))
layout.addLayoutItem(map)
picture = QgsLayoutItemPicture(layout)
layout.addLayoutItem(picture)
picture.setLinkedMap(map)
self.assertEqual(picture.linkedMap(), map)
picture.setNorthMode(QgsLayoutItemPicture.GridNorth)
map.setItemRotation(45)
self.assertEqual(picture.pictureRotation(), 45)
map.setMapRotation(-34)
self.assertEqual(picture.pictureRotation(), 11)
# add an offset
picture.setNorthOffset(-10)
self.assertEqual(picture.pictureRotation(), 1)
map.setItemRotation(55)
self.assertEqual(picture.pictureRotation(), 11)
def testGridNorth(self):
"""Test syncing picture to grid north"""
layout = QgsLayout(QgsProject.instance())
map = QgsLayoutItemMap(layout)
map.setExtent(QgsRectangle(0, -256, 256, 0))
layout.addLayoutItem(map)
picture = QgsLayoutItemPicture(layout)
layout.addLayoutItem(picture)
picture.setLinkedMap(map)
self.assertEqual(picture.linkedMap(), map)
picture.setNorthMode(QgsLayoutItemPicture.GridNorth)
map.setMapRotation(45)
self.assertEqual(picture.pictureRotation(), 45)
# add an offset
picture.setNorthOffset(-10)
self.assertEqual(picture.pictureRotation(), 35)
def testGridNorth(self):
"""Test syncing picture to grid north"""
layout = QgsLayout(QgsProject.instance())
map = QgsLayoutItemMap(layout)
map.setExtent(QgsRectangle(0, -256, 256, 0))
layout.addLayoutItem(map)
picture = QgsLayoutItemPicture(layout)
layout.addLayoutItem(picture)
picture.setLinkedMap(map)
self.assertEqual(picture.linkedMap(), map)
picture.setNorthMode(QgsLayoutItemPicture.GridNorth)
map.setMapRotation(45)
self.assertEqual(picture.pictureRotation(), 45)
# add an offset
picture.setNorthOffset(-10)
self.assertEqual(picture.pictureRotation(), 35)