Merge pull request #2985 from j9ac9k/kevinsmia1939/master

Add Vertical and Horizontal Line Symbols
pyqtgraph · Apr 18, 2024 · c522f58 · c522f58
2 parents 3d15f22 + 33add55
commit c522f58
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Showing 3 changed files with 12 additions and 1 deletion.
diff --git a/pyqtgraph/examples/Symbols.py b/pyqtgraph/examples/Symbols.py
@@ -30,6 +30,9 @@
 plot.plot([12, 13, 14, 15, 16], pen=(189, 189, 189), symbolBrush=(189, 189, 189), symbolPen='w', symbol='arrow_left', symbolSize=22, name="symbol='arrow_left'")
 plot.plot([13, 14, 15, 16, 17], pen=(187, 26, 95), symbolBrush=(187, 26, 95), symbolPen='w', symbol='arrow_up', symbolSize=22, name="symbol='arrow_up'")
 plot.plot([14, 15, 16, 17, 18], pen=(248, 187, 208), symbolBrush=(248, 187, 208), symbolPen='w', symbol='arrow_right', symbolSize=22, name="symbol='arrow_right'")
+plot.plot([15, 16, 17, 18, 19], pen=(255, 69, 58), symbolBrush=(255, 69, 58), symbolPen='w', symbol='|', symbolSize=22, name="symbol='|'")
+plot.plot([16, 17, 18, 19, 20], pen=(94, 92, 230), symbolBrush=(94, 92, 230), symbolPen='w', symbol='_', symbolSize=22, name="symbol='_'")
+
 plot.setXRange(-2, 4)
 
 if __name__ == '__main__':

diff --git a/pyqtgraph/exporters/Matplotlib.py b/pyqtgraph/exporters/Matplotlib.py
@@ -47,6 +47,8 @@
     'arrow_down'  : 7,      # caretdown
     'arrow_left'  : 4,      # caretleft
     'crosshair'   : 'o',    # circle
+    '|'           : '|',    # vertical line
+    '_'           : '_'     # horizontal line
 }
 
 

diff --git a/pyqtgraph/graphicsItems/ScatterPlotItem.py b/pyqtgraph/graphicsItems/ScatterPlotItem.py
@@ -16,7 +16,7 @@
 
 
 ## Build all symbol paths
-name_list = ['o', 's', 't', 't1', 't2', 't3', 'd', '+', 'x', 'p', 'h', 'star',
+name_list = ['o', 's', 't', 't1', 't2', 't3', 'd', '+', 'x', 'p', 'h', 'star', '|', '_',
              'arrow_up', 'arrow_right', 'arrow_down', 'arrow_left', 'crosshair']
 Symbols = OrderedDict([(name, QtGui.QPainterPath()) for name in name_list])
 Symbols['o'].addEllipse(QtCore.QRectF(-0.5, -0.5, 1, 1))
@@ -52,6 +52,7 @@ def makeCrosshair(r=0.5, w=1, h=1):
              (-0.1816, 0.059), (-0.2939, 0.4045), (0, 0.1910),
              (0.2939, 0.4045), (0.1816, 0.059), (0.4755, -0.1545),
              (0.1123, -0.1545)],
+    '|': [(-0.1, 0.5),(0.1, 0.5), (0.1, -0.5), (-0.1, -0.5)],
     'arrow_up': [
         (-0.125, 0.125), (0, 0), (0.125, 0.125),
         (0.05, 0.125), (0.05, 0.5), (-0.05, 0.5), (-0.05, 0.125)
@@ -69,6 +70,9 @@ def makeCrosshair(r=0.5, w=1, h=1):
 Symbols['arrow_right'] = tr.map(Symbols['arrow_up'])
 Symbols['arrow_down'] = tr.map(Symbols['arrow_right'])
 Symbols['arrow_left'] = tr.map(Symbols['arrow_down'])
+
+# already rotated 90 degrees from earlier commands
+Symbols['_'] = tr.map(Symbols['|'])
 _DEFAULT_STYLE = {'symbol': None, 'size': -1, 'pen': None, 'brush': None, 'visible': True}
 
 
@@ -667,6 +671,8 @@ def setSymbol(self, symbol, update=True, dataSet=None, mask=None):
         * 'p'  pentagon
         * 'h'  hexagon
         * 'star'
+        * '|' vertical line
+        * '_' horizontal line
         * 'x'  cross
         * 'arrow_up'
         * 'arrow_right'