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picamera [2014/07/23 00:05] 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 ==== | ||
+ | |||
+ | >>> | ||
+ | >>> | ||
+ | >>> | ||
+ | >>> | ||
---- | ---- | ||
- | **Funktion | + | ====Funktions |
+ | __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) | ||
Line 26: | Line 35: | ||
__framerate__ | __framerate__ | ||
- | __hflip__ | + | __hflip__ |
camera.vflip = False | camera.vflip = False | ||
- | __image_effect__ | + | __image_effect__\\ |
- | Image Effect | + | Image effect |
none, negative, sketch, denoise, emboss, hatch, gpen, pastel, film, blur, saturation, washedout, posterise, cartoon\\ | none, negative, sketch, denoise, emboss, hatch, gpen, pastel, film, blur, saturation, washedout, posterise, cartoon\\ | ||
- | These don't work:\\ | + | These effects |
solarise, oilpaint, watercolour, | solarise, oilpaint, watercolour, | ||
camera.image_effect = ' | camera.image_effect = ' | ||
- | | + | |
- | | + | __preview_alpha__ |
- | | + | camera.preview_alpha |
- | | + | |
- | | + | __preview_fullscreen__ (False, True) |
- | | + | camera.preview_fullscreen |
- | | + | |
+ | __preview_window__ (X, | ||
+ | camera.preview_fullscreen = False | ||
+ | camera.preview_window | ||
+ | | ||
+ | __rotation__ (0, 90, 180, 270) | ||
+ | | ||
+ | | ||
+ | __saturation__ (-100 < u < 100) | ||
+ | | ||
- | ---- | + | __sharpness__ (-100 < u < 100) |
- | **Example: | + | camera.sharpness = u |
+ | |||
+ | __vflip__ | ||
+ | camera.vflip = False | ||
+ | |||
+ | __exposure__ | ||
+ | cam.exposure_mode = ' | ||
+ | |||
+ | __AWB__ | ||
+ | | ||
- | 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() | ||
---- | ---- | ||