Use colormap with better perceptual contrast
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@ -49,10 +49,16 @@ data[:,50:60,50:60] += sig
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imv.setImage(data, xvals=np.linspace(1., 3., data.shape[0]))
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## Set a custom color map
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positions = [0, 0.5, 1]
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colors = [(0,0,255), (0,255,255), (255,255,0)]
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cm = pg.ColorMap(positions, colors)
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imv.setColorMap(cm)
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colors = [
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(0, 0, 0),
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(45, 5, 61),
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(84, 42, 55),
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(150, 87, 60),
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(208, 171, 141),
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(255, 255, 255)
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]
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cmap = pg.ColorMap(pos=np.linspace(0.0, 1.0, 6), color=colors)
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imv.setColorMap(cmap)
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## Start Qt event loop unless running in interactive mode.
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if __name__ == '__main__':
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