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picamera [2014/07/23 00:15]
admin 		picamera [2016/12/11 14:19]
admin [Funktions for the Camera Preview:]
Line 1: Line 1:
----- +===== PiCamera=====
-**PiCamera**\\ +
-----+
  
 [[http://picamera.readthedocs.org/en/release-1.4/]]\\ [[http://picamera.readthedocs.org/en/release-1.4/]]\\
  
----- +==== Installation ====
-**Install:**\\+
   $ sudo apt-get update   $ sudo apt-get update
   $ sudo apt-get install python-picamera   $ sudo apt-get install python-picamera
  
----- +==== Example ====
-**Example:**\\ +
- +
-  import time +
-  import picamera +
-  with picamera.PiCamera() as camera: +
-    camera.start_preview() +
-    try: +
-        for j in range(100): +
-            camera.preview_fullscreen = False +
-            camera.preview_window = (100-j, 100-j, 1000, 500) +
-            time.sleep(0.2) +
-    finally: +
-        camera.stop_preview()+
  
 +  >>> import picamera
 +  >>> camera = picamera.PiCamera()
 +  >>> camera.start_preview()
 +  >>> camera.stop_preview()
  
 ---- ----
-**Funktions for Camera Preview:**\\+====Funktions for the Camera Preview:==== 
 +__brightness__ (0<u<100)\\ 
 +  camera.brightness = u 
 __color effects__ (0 < u < 255 and 0 < v < 255)\\ __color effects__ (0 < u < 255 and 0 < v < 255)\\
 +The default value is //None//\\
   camera.color_effects = (u, v)   camera.color_effects = (u, v)
 + 
  
 __contrast__ (-100 < u < 100) __contrast__ (-100 < u < 100)
Line 63: Line 56:
      
 __rotation__ (0, 90, 180, 270) __rotation__ (0, 90, 180, 270)
-  camera.rotate = 90+  camera.rotation = 90
      
 __saturation__ (-100 < u < 100) __saturation__ (-100 < u < 100)
Line 71: Line 64:
   camera.vflip = False   camera.vflip = False
  
-__led__+__exposure__ 
 +  cam.exposure_mode = 'off' 
 +   
 +__AWB__ 
 +  cam.awb_mode = 'auto'  
  
  
 ---- ----