Code:
class CustumGraph(pg.GraphicsWindow):
pg.setConfigOption('background', 'w')
pg.setConfigOption('foreground', 'k')
def __init__(self, parent=None, **kargs):
pg.GraphicsWindow.__init__(self, **kargs)
self.setParent(parent)
#colors to plot with
self.colors = [(0, 0, 0),(255, 0, 0),(0, 0, 255),(0, 255, 0),(255,
0, 255),(0, 255, 255),(255, 255, 0),(255, 128, 0),(128, 0, 255)]
self.p = None
def graph(self, x, y, headers):
#x is a list of the time
#y is a list of list with data-points
#headers is a list of headers
if self.p == None: #create plot if it doesn't exist yet
self.p = self.addPlot(labels = {'left':'Pressure (mBar)',
'bottom':'Time (s)'})
try:# remove legend if it exist otherwise it just gets longer
self.legend.scene().removeItem(self.legend)
except:
print("First plotting sequence..")
#clear the plot of previous data
self.p.clear()
#make legend and graph
self.legend = self.p.addLegend(offset=(-10,10))
self.p.showGrid(x=True,y=True)
#checks if y is a list of lists, otherwise makes a list of it
if type(y[0]) != list:
y=[y]
#empty list with the length of y to store the curves
curves = [0]*len(y)
#plot the y-data in different collors with the headers
for i in range(0,len(y)):
curves[i] = self.p.plot(pen=None,symbol='o',name=headers[i],
symbolSize=1, symbolPen=self.colors[i])
curves[i].setData(x, y[i])
When I create the CustomGraph and run the function graph it maxes out on 9
graphs in the plot, while the length of the y-list is longer.
Anyone know why?
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