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picamera [2014/07/23 00:15] admin |
picamera [2016/12/11 14:23] admin [Funktions for the Camera Preview:] |
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- | ---- | + | ===== PiCamera===== |
- | **PiCamera**\\ | + | |
- | ---- | + | |
[[http:// | [[http:// | ||
- | ---- | + | ==== 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 | + | |
- | camera.preview_window | + | |
- | time.sleep(0.2) | + | |
- | finally: | + | |
- | camera.stop_preview() | + | |
+ | >>> | ||
+ | >>> | ||
+ | >>> | ||
+ | >>> | ||
---- | ---- | ||
- | **Funktions for Camera Preview:**\\ | + | ====Funktions for the Camera Preview:==== |
+ | __brightness__ (0< | ||
+ | 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) | ||
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| | ||
__rotation__ (0, 90, 180, 270) | __rotation__ (0, 90, 180, 270) | ||
- | camera.rotate | + | camera.rotation |
| | ||
__saturation__ (-100 < u < 100) | __saturation__ (-100 < u < 100) | ||
camera.saturation = u | camera.saturation = u | ||
+ | |||
+ | __sharpness__ (-100 < u < 100) | ||
+ | camera.sharpness = u | ||
| | ||
__vflip__ | __vflip__ | ||
camera.vflip = False | camera.vflip = False | ||
- | __led__ | + | __exposure__ |
+ | cam.exposure_mode = ' | ||
+ | |||
+ | __AWB__ | ||
+ | cam.awb_mode = ' | ||
---- | ---- | ||