fixed tabs vs spaces issue

Signed-off-by: Tristan Hearn <[email protected]>

get_pulse.py

@@ -7,7 +7,7 @@ class getPulseApp(object):
     """
     Python application that finds a face in a webcam stream, then isolates the
     forehead.
-    
+
     Then the average green-light intensity in the forehead region is gathered 
     over time, and the detected person's pulse is estimated.
     """
@@ -19,37 +19,37 @@ def __init__(self):
         self.pressed = 0
         #Containerized analysis of recieved image frames (an openMDAO assembly)
         #is defined next.
-        
+
         #This assembly is designed to handle all image & signal analysis,
         #such as face detection, forehead isolation, time series collection,
         #heart-beat detection, etc. 
-        
+
         #Basically, everything that isn't communication
         #to the camera device or part of the GUI
         self.processor = findFaceGetPulse(bpm_limits = [50,160],
                                           data_spike_limit = 25.,
                                           face_detector_smoothness = 10.)  
-        
+
         #Init parameters for the cardiac data plot
         self.bpm_plot = False
         self.plot_title = "Cardiac info - raw signal, filtered signal, and PSD"
-        
+
         #Maps keystrokes to specified methods
         #(A GUI window must have focus for these to work)
         self.key_controls = {"s" : self.toggle_search,
-                        "d" : self.toggle_display_plot}
-        
-    
+                             "d" : self.toggle_display_plot}
+
+
     def toggle_search(self):
         """
         Toggles a motion lock on the processor's face detection component.
-        
+
         Locking the forehead location in place significantly improves
         data quality, once a forehead has been sucessfully isolated. 
         """
         state = self.processor.find_faces.toggle()
         print "face detection lock =",not state
-    
+
     def toggle_display_plot(self):
         """
         Toggles the data display.
@@ -63,15 +63,15 @@ def toggle_display_plot(self):
             self.bpm_plot = True
             self.make_bpm_plot()
             moveWindow(self.plot_title, self.w,0)
-    
+
     def make_bpm_plot(self):
         """
         Creates and/or updates the data display
         """
         plotXY([[self.processor.fft.times, 
                  self.processor.fft.samples],
-            [self.processor.fft.even_times[4:-4], 
-             self.processor.measure_heart.filtered[4:-4]],
+                [self.processor.fft.even_times[4:-4], 
+                 self.processor.measure_heart.filtered[4:-4]],
                 [self.processor.measure_heart.freqs, 
                  self.processor.measure_heart.fft]], 
                labels = [False, False, True],
@@ -81,23 +81,23 @@ def make_bpm_plot(self):
                skip = [3,3,4],
                name = self.plot_title, 
                bg = self.processor.grab_faces.slices[0])
-    
+
     def key_handler(self):    
         """
         Handle keystrokes, as set at the bottom of __init__()
-        
+
         A plotting or camera frame window must have focus for keypresses to be
         detected.
         """
         self.pressed = waitKey(10) & 255 #wait for keypress for 10 ms
         if self.pressed == 27: #exit program on 'esc'
-			print "exiting..."
-			self.camera.cam.release()
-			exit()
+            print "exiting..."
+            self.camera.cam.release()
+            exit()
         for key in self.key_controls.keys():
             if chr(self.pressed) == key:
                 self.key_controls[key]()
-                
+
     def main_loop(self):
         """
         Single iteration of the application's main loop.
@@ -106,27 +106,28 @@ def main_loop(self):
         frame = self.camera.get_frame()
         self.h,self.w,_c = frame.shape
 
+
         #display unaltered frame
         #imshow("Original",frame)
-        
+
         #set current image frame to the processor's input
         self.processor.frame_in = frame
         #process the image frame to perform all needed analysis
         self.processor.run()
         #collect the output frame for display
         output_frame = self.processor.frame_out
-        
+
         #show the processed/annotated output frame
         imshow("Processed",output_frame)
-        
+
         #create and/or update the raw data display if needed
         if self.bpm_plot:
             self.make_bpm_plot()
-        
+
         #handle any key presses
         self.key_handler()
 
 if __name__ == "__main__":
     App = getPulseApp()
     while True:
-		App.main_loop()
+        App.main_loop()