owkaplanmeier: change the symbol of censored data

orangecontrib/survival_analysis/widgets/owkaplanmeier.py

@@ -5,7 +5,7 @@
 from itertools import zip_longest
 from xml.sax.saxutils import escape
 
-from AnyQt.QtGui import QBrush, QColor
+from AnyQt.QtGui import QBrush, QColor, QPainterPath
 from AnyQt.QtCore import Qt, QSize
 from AnyQt.QtCore import pyqtSignal as Signal
 from pyqtgraph.functions import mkPen
@@ -27,6 +27,13 @@
 HORIZONTAL_LINE = pg.InfiniteLine(pos=0.5, angle=0, pen=MEDIAN_LINE_PEN)
 
 
+def create_line_symbol():
+    p = QPainterPath()
+    p.moveTo(0, -1)
+    p.lineTo(0, 1)
+    return p
+
+
 class EstimatedFunctionCurve:
     @staticmethod
     def generate_curve_coordinates(timeline, probabilities):
@@ -71,7 +78,8 @@ def __init__(self, time, events, label=None, color=None):
             y=censored_data[:, 1],
             brush=QBrush(Qt.black),
             pen=self.get_pen(width=1, alpha=255),
-            # size=np.full((points.shape[0],), 10.1),
+            symbol=create_line_symbol(),
+            size=10,
         )
         self.censored_data.setZValue(10)