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)