def testPolygon_isIn(self):
points = numpy.array([[0, 0], [0, 10], [5, 10]])
item = roi_items.PolygonROI()
item.setPoints(points)
self.assertTrue(item.contains((0, 0)))
self.assertFalse(item.contains((6, 2)))
self.assertFalse(item.contains((-2, 5)))
self.assertFalse(item.contains((2, -1)))
self.assertFalse(item.contains((8, 1)))
self.assertTrue(item.contains((1, 8)))
def testRoiDisplay(self):
rois = []
# Line
item = roi_items.LineROI()
startPoint = numpy.array([1, 2])
endPoint = numpy.array([3, 4])
item.setEndPoints(startPoint, endPoint)
rois.append(item)
# Horizontal line
item = roi_items.HorizontalLineROI()
item.setPosition(15)
rois.append(item)
# Vertical line
item = roi_items.VerticalLineROI()
item.setPosition(15)
rois.append(item)
# Point
item = roi_items.PointROI()
point = numpy.array([1, 2])
item.setPosition(point)
rois.append(item)
# Rectangle
item = roi_items.RectangleROI()
origin = numpy.array([0, 0])
size = numpy.array([10, 20])
item.setGeometry(origin=origin, size=size)
rois.append(item)
# Polygon
item = roi_items.PolygonROI()
points = numpy.array([[10, 10], [12, 10], [50, 1]])
item.setPoints(points)
rois.append(item)
# Degenerated polygon: No points
item = roi_items.PolygonROI()
points = numpy.empty((0, 2))
item.setPoints(points)
rois.append(item)
# Degenerated polygon: A single point
item = roi_items.PolygonROI()
points = numpy.array([[5, 10]])
item.setPoints(points)
rois.append(item)
# Degenerated arc: it's a point
item = roi_items.ArcROI()
center = numpy.array([10, 20])
innerRadius, outerRadius, startAngle, endAngle = 0, 0, 0, 0
item.setGeometry(center, innerRadius, outerRadius, startAngle,
endAngle)
rois.append(item)
# Degenerated arc: it's a line
item = roi_items.ArcROI()
center = numpy.array([10, 20])
innerRadius, outerRadius, startAngle, endAngle = 0, 100, numpy.pi, numpy.pi
item.setGeometry(center, innerRadius, outerRadius, startAngle,
endAngle)
rois.append(item)
# Special arc: it's a donut
item = roi_items.ArcROI()
center = numpy.array([10, 20])
innerRadius, outerRadius, startAngle, endAngle = 1, 100, numpy.pi, 3 * numpy.pi
item.setGeometry(center, innerRadius, outerRadius, startAngle,
endAngle)
rois.append(item)
# Arc
item = roi_items.ArcROI()
center = numpy.array([10, 20])
innerRadius, outerRadius, startAngle, endAngle = 1, 100, numpy.pi * 0.5, numpy.pi
item.setGeometry(center, innerRadius, outerRadius, startAngle,
endAngle)
rois.append(item)
# Horizontal Range
item = roi_items.HorizontalRangeROI()
item.setRange(-1, 3)
rois.append(item)
manager = roi.RegionOfInterestManager(self.plot)
self.roiTableWidget.setRegionOfInterestManager(manager)
for item in rois:
with self.subTest(roi=str(item)):
manager.addRoi(item)
self.qapp.processEvents()
item.setEditable(True)
self.qapp.processEvents()
item.setEditable(False)
self.qapp.processEvents()
manager.removeRoi(item)
self.qapp.processEvents()
def testPolygon_geometry(self):
points = numpy.array([[10, 10], [12, 10], [50, 1]])
item = roi_items.PolygonROI()
item.setPoints(points)
numpy.testing.assert_allclose(item.getPoints(), points)
def testPolygon_emptyGeometry(self):
points = numpy.empty((0, 2))
item = roi_items.PolygonROI()
item.setPoints(points)
numpy.testing.assert_allclose(item.getPoints(), points)