24 lines
673 B
Python
24 lines
673 B
Python
import ch.psi.pshell.imaging.Data as Data
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class Exposure(Writable):
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def write(self,pos):
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#cam.setExposure(pos)
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img.camera.setExposure(pos)
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exposure=Exposure()
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class Contrast(Readable):
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def read(self):
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data = img.getData()
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roi = Data(data.getRectSelection(500,300,700,600))
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return roi.getGradientVariance()
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contrast=Contrast()
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#a= lscan(exposure,img.getContrast(), 0.5, 1.0, 0.01, 0.5)
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#a= lscan(exposure,contrast, 0.2, 0.4, 0.01, 0.7)
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a= lscan(exposure,contrast, 10.0, 500.0, 10.0, 0.7)
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(n, m, s) = fit(a.getReadable(0), xdata=a.getPositions(0))
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if m is not None:
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print "Setting exposure = ", m
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exposure.write(m) |