def testProfileRenderFixedColor(self):
pcl = QgsPointCloudLayer(
os.path.join(unitTestDataPath(), 'point_clouds', 'ept',
'lone-star-laszip', 'ept.json'), 'test', 'ept')
self.assertTrue(pcl.isValid())
pcl.elevationProperties().setMaximumScreenError(30)
pcl.elevationProperties().setMaximumScreenErrorUnit(
QgsUnitTypes.RenderMillimeters)
pcl.elevationProperties().setPointSymbol(Qgis.PointCloudSymbol.Square)
pcl.elevationProperties().setPointColor(QColor(255, 0, 255))
pcl.elevationProperties().setPointSize(3)
pcl.elevationProperties().setPointSizeUnit(
QgsUnitTypes.RenderMillimeters)
pcl.elevationProperties().setRespectLayerColors(False)
curve = QgsLineString()
curve.fromWkt(
'LineString (515387.94696552358800545 4918366.65919817332178354, 515389.15378401038469747 4918366.63842081092298031)'
)
req = QgsProfileRequest(curve)
req.setCrs(pcl.crs())
req.setTolerance(0.05)
plot_renderer = QgsProfilePlotRenderer([pcl], req)
plot_renderer.startGeneration()
plot_renderer.waitForFinished()
res = plot_renderer.renderToImage(400, 400, 0, curve.length(), 2320,
2330)
self.assertTrue(
self.imageCheck('point_cloud_layer_fixed_color',
'point_cloud_layer_fixed_color', res))
def testToFromMapCoordinates(self):
"""
Test converting canvas coordinates to map coordinates
"""
canvas = QgsElevationProfileCanvas()
canvas.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
canvas.setFrameStyle(0)
canvas.resize(600, 400)
canvas.setProject(QgsProject.instance())
canvas.show()
self.assertEqual(canvas.width(), 600)
self.assertEqual(canvas.height(), 400)
# no profile curve set
self.assertTrue(
canvas.toMapCoordinates(QgsPointXY(300, 200)).isEmpty())
self.assertTrue(canvas.toCanvasCoordinates(QgsPoint(6, 3)).isEmpty())
ls = QgsLineString()
ls.fromWkt('LineString(0 2, 10 2, 10 4)')
canvas.setProfileCurve(ls)
canvas.setVisiblePlotRange(0, ls.length(), 0, 100)
res = canvas.toMapCoordinates(QgsPointXY(300, 200))
self.assertAlmostEqual(res.x(), 5.927, 0)
self.assertAlmostEqual(res.y(), 2, 4)
self.assertAlmostEqual(res.z(), 49.165, 0)
res = canvas.toCanvasCoordinates(QgsPoint(6, 2, 50))
self.assertAlmostEqual(res.x(), 303.578, -1)
self.assertAlmostEqual(res.y(), 196.75, -1)
# point outside plot area
res = canvas.toMapCoordinates(QgsPointXY(0, 0))
self.assertTrue(res.isEmpty())
# just inside top left of plot area
res = canvas.toMapCoordinates(QgsPointXY(15, 380))
self.assertAlmostEqual(res.x(), 0.1190, delta=0.1)
self.assertAlmostEqual(res.y(), 2, 4)
self.assertAlmostEqual(res.z(), 2.95, 0)
res = canvas.toCanvasCoordinates(QgsPoint(0, 2, 0))
self.assertAlmostEqual(res.x(), 9.156, delta=3)
self.assertAlmostEqual(res.y(), 391.5, delta=10)
res = canvas.toCanvasCoordinates(QgsPoint(10, 4, 100))
self.assertAlmostEqual(res.x(), 598, -1)
self.assertAlmostEqual(res.y(), 2, -1)
res = canvas.toMapCoordinates(QgsPointXY(590, 10))
self.assertAlmostEqual(res.x(), 10, 1)
self.assertAlmostEqual(res.y(), 3.83, 1)
self.assertAlmostEqual(res.z(), 97.946, 1)
def test_tool(self):
"""
Test some plot tool logic
"""
canvas = QgsElevationProfileCanvas()
canvas.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
canvas.setFrameStyle(0)
canvas.resize(600, 400)
canvas.setProject(QgsProject.instance())
canvas.show()
self.assertEqual(canvas.width(), 600)
self.assertEqual(canvas.height(), 400)
ls = QgsLineString()
ls.fromWkt('LineString(0 2, 10 2, 10 4)')
canvas.setProfileCurve(ls)
canvas.setVisiblePlotRange(0, ls.length(), 0, 100)
self.assertFalse(canvas.tool())
tool = TestTool(canvas)
self.assertFalse(tool.isActive())
canvas.setTool(tool)
self.assertEqual(canvas.tool(), tool)
key_press_event = QKeyEvent(QEvent.KeyPress, 54, Qt.ShiftModifier)
canvas.keyPressEvent(key_press_event)
self.assertEqual(tool.events[-1].type(), QEvent.KeyPress)
key_release_event = QKeyEvent(QEvent.KeyRelease, 54, Qt.ShiftModifier)
canvas.keyReleaseEvent(key_release_event)
self.assertEqual(tool.events[-1].type(), QEvent.KeyRelease)
mouse_dbl_click_event = QMouseEvent(QEvent.MouseButtonDblClick, QPointF(300, 200), Qt.LeftButton, Qt.MouseButtons(), Qt.ShiftModifier)
canvas.mouseDoubleClickEvent(mouse_dbl_click_event)
self.assertEqual(tool.events[-1].type(), QEvent.MouseButtonDblClick)
self.assertIsInstance(tool.events[-1], QgsPlotMouseEvent)
self.assertAlmostEqual(tool.events[-1].mapPoint().x(), 5.92, delta=0.6)
self.assertAlmostEqual(tool.events[-1].mapPoint().y(), 2, 4)
self.assertAlmostEqual(tool.events[-1].mapPoint().z(), 49.165, delta=5)
mouse_move_event = QMouseEvent(QEvent.MouseMove, QPointF(300, 200), Qt.LeftButton, Qt.MouseButtons(), Qt.ShiftModifier)
canvas.mouseMoveEvent(mouse_move_event)
self.assertEqual(tool.events[-1].type(), QEvent.MouseMove)
self.assertIsInstance(tool.events[-1], QgsPlotMouseEvent)
self.assertAlmostEqual(tool.events[-1].mapPoint().x(), 5.92, delta=10)
self.assertAlmostEqual(tool.events[-1].mapPoint().y(), 2, 4)
self.assertAlmostEqual(tool.events[-1].mapPoint().z(), 49.165, delta=5)
mouse_press_event = QMouseEvent(QEvent.MouseButtonPress, QPointF(300, 200), Qt.LeftButton, Qt.MouseButtons(), Qt.ShiftModifier)
canvas.mousePressEvent(mouse_press_event)
self.assertEqual(tool.events[-1].type(), QEvent.MouseButtonPress)
self.assertIsInstance(tool.events[-1], QgsPlotMouseEvent)
self.assertAlmostEqual(tool.events[-1].mapPoint().x(), 5.927, delta=1)
self.assertAlmostEqual(tool.events[-1].mapPoint().y(), 2, 4)
self.assertAlmostEqual(tool.events[-1].mapPoint().z(), 49.165, delta=5)
mouse_release_event = QMouseEvent(QEvent.MouseButtonRelease, QPointF(300, 200), Qt.LeftButton, Qt.MouseButtons(), Qt.ShiftModifier)
canvas.mouseReleaseEvent(mouse_release_event)
self.assertEqual(tool.events[-1].type(), QEvent.MouseButtonRelease)
self.assertIsInstance(tool.events[-1], QgsPlotMouseEvent)
self.assertAlmostEqual(tool.events[-1].mapPoint().x(), 5.927, delta=1)
self.assertAlmostEqual(tool.events[-1].mapPoint().y(), 2, 4)
self.assertAlmostEqual(tool.events[-1].mapPoint().z(), 49.165, delta=5)
wheel_event = QWheelEvent(QPointF(300, 200), QPointF(300, 200), QPoint(1, 2), QPoint(3, 4), Qt.NoButton, Qt.NoModifier, Qt.ScrollBegin, False)
canvas.wheelEvent(wheel_event)
self.assertEqual(tool.events[-1].type(), QEvent.Wheel)
