Closedown

script/ExposureScan.py

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