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use larger font size for axis ticks #24

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use larger font size for axis ticks #24

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17 changes: 17 additions & 0 deletions GraphWidgetPyQtGraph.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ def __init__(self, config, reactor, cxn = None, parent=None):
def initUI(self):
self.tracelist = TraceList(self)
self.pw = pg.PlotWidget()
self._set_axes_font(20)
if self.vline_name:
self.inf = pg.InfiniteLine(movable=True, angle=90,
label=self.vline_name + '{value:0.0f}',
Expand Down Expand Up @@ -106,6 +107,22 @@ def initUI(self):

self.pw.scene().sigMouseMoved.connect(self.mouseMoved)
self.pw.sigRangeChanged.connect(self.rangeChanged)

def _set_axes_font(self, font_size):
font = QtGui.QFont()
font.setPixelSize(font_size)
left_axis = self.pw.plotItem.getAxis("left")
left_axis.tickFont = font
left_axis.setWidth(font_size * 7)
left_axis.setStyle(tickTextOffset=font_size/2)
left_axis.setStyle(textFillLimits=[(0, 0.6), (2, 0.4),
(4, 0.2), (6, 0.0)])
bottom_axis = self.pw.plotItem.getAxis("bottom")
bottom_axis.tickFont = font
bottom_axis.setHeight(font_size * 2)
bottom_axis.setStyle(tickTextOffset=font_size/2)
bottom_axis.setStyle(textFillLimits=[(0, 0.6), (2, 0.4),
(4, 0.2), (6, 0.0)])

def getItemColor(self, color):
color_dict = {"r": QtGui.QColor(QtCore.Qt.red).lighter(130),
Expand Down