New ScreenPanel

script/test36.py

@@ -0,0 +1,86 @@
+################################################################################################### 
+# Calibrating array and matrix pseudo-devices
+################################################################################################### 
+
+
+
+class Waveform(ReadonlyRegisterBase, ReadonlyRegisterArray):
+    def doRead(self):
+        time.sleep(0.001)
+        self.val = to_array(self.calc(), 'd')
+        return self.val
+
+    def getSize(self):
+        return len(self.take(-1))    #only reads if cache is None
+
+class Image(ReadonlyRegisterBase, ReadonlyRegisterMatrix):
+    def doRead(self):
+        time.sleep(0.001)
+        self.val = to_array(self.calc(), 'd')
+        return self.val
+
+    def getWidth(self):
+        return len(self.take(-1)[0])
+
+    def getHeight(self):
+        return len(self.take(-1))
+
+
+
+class SinusoidWaveform(Waveform):
+    def calc(self):
+        ret = []
+        x = random.random()
+        for i in range (20):
+            ret.append(math.sin(x))
+            x = x + 0.1
+        return ret
+
+class SinusoidImage(Image):
+    def calc(self):     
+        (width, height) = (200, 100)
+        ret = []
+        x = random.random();
+        base = []        
+        for i in range (width):
+            base.append( math.sin(x))
+            x = x + 0.05
+        for i in range (height):
+            noise = (random.random() - 0.5)/5.0 
+            ret.append([x+noise for x in base])
+        return ret
+
+add_device(SinusoidWaveform("wf1"), True)
+add_device(SinusoidImage("im1"), True)
+
+
+class ArrayCalibrated(ReadonlyRegisterBase, ReadonlyRegisterArray, ReadableCalibratedArray):
+    def doRead(self):
+        return wf1.read()
+        
+    def getSize(self):
+        return wf1.size
+        
+    def getCalibration(self):
+        return ArrayCalibration(5,1000)
+        
+        
+
+class MatrixCalibrated(ReadonlyRegisterBase, ReadonlyRegisterMatrix, ReadableCalibratedMatrix):
+    def doRead(self):
+        return im1.read()
+        
+    def getWidth(self):
+        return im1.width
+
+    def getHeight(self):
+        return im1.height
+
+    def getCalibration(self):
+        return MatrixCalibration(2,4,100,200)       
+
+add_device(ArrayCalibrated()
+, True)
+add_device( MatrixCalibrated()
+, True)
+ArrayCalibrated.polling=100