Commit 98dec9e9 by Luke Campagnola

### minor cleanup

parent ac90bf4c
 ... ... @@ -2,8 +2,6 @@ """ In this example we draw two different kinds of histogram. """ import initExample ## Add path to library (just for examples; you do not need this) import pyqtgraph as pg ... ... @@ -15,7 +13,6 @@ win.resize(800,350) win.setWindowTitle('pyqtgraph example: Histogram') plt1 = win.addPlot() plt2 = win.addPlot() plt3 = win.addPlot() ## make interesting distribution of values vals = np.hstack([np.random.normal(size=500), np.random.normal(size=260, loc=4)]) ... ... @@ -23,17 +20,14 @@ vals = np.hstack([np.random.normal(size=500), np.random.normal(size=260, loc=4)] ## compute standard histogram y,x = np.histogram(vals, bins=np.linspace(-3, 8, 40)) ## Using stepMode=True causes the plot to draw two lines for each sample. ## notice that len(x) == len(y)+1 ## We are required to use stepMode=True so that PlotCurveItem will interpret this data correctly. curve = pg.PlotCurveItem(x, y, stepMode=True, fillLevel=0, brush=(0, 0, 255, 80)) plt1.addItem(curve) plt2.plot(x, y, stepMode=True, fillLevel=0, brush=(0,0,255,150)) plt1.plot(x, y, stepMode=True, fillLevel=0, brush=(0,0,255,150)) ## Now draw all points as a nicely-spaced scatter plot y = pg.pseudoScatter(vals, spacing=0.15) #plt3.plot(vals, y, pen=None, symbol='o', symbolSize=5) plt3.plot(vals, y, pen=None, symbol='o', symbolSize=5, symbolPen=(255,255,255,200), symbolBrush=(0,0,255,150)) #plt2.plot(vals, y, pen=None, symbol='o', symbolSize=5) plt2.plot(vals, y, pen=None, symbol='o', symbolSize=5, symbolPen=(255,255,255,200), symbolBrush=(0,0,255,150)) ## Start Qt event loop unless running in interactive mode or using pyside. if __name__ == '__main__': ... ...
 ... ... @@ -70,7 +70,8 @@ class PlotDataItem(GraphicsObject): May be any single argument accepted by :func:`mkBrush() ` stepMode If True, two orthogonal lines are drawn for each sample as steps. This is commonly used when drawing histograms. Note that in this case, len(x) == len(y) + 1 Note that in this case, `len(x) == len(y) + 1` (added in version 0.9.9) ========== ============================================================================== **Point style keyword arguments:** (see :func:`ScatterPlotItem.setData() ` for more information) ... ...
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