from io import BytesIO from time import sleep from picamerax import PiCamera from PIL import Image # Create the in-memory stream stream = BytesIO() camera = PiCamera() camera.start_preview() sleep(2) camera.capture(stream, format='jpeg') # "Rewind" the stream to the beginning so we can read its content stream.seek(0) image = Image.open(stream)
from time import sleep
from picamerax import PiCamera
camera = PiCamera()
camera.resolution = (1024, 768)
camera.start_preview()
# Camera warm-up time
sleep(2)
camera.capture('foo.jpg')
from picamerax import PiCamera
from time import sleep
from fractions import Fraction
# Force sensor mode 3 (the long exposure mode), set
# the framerate to 1/6fps, the shutter speed to 6s,
# and ISO to 800 (for maximum gain)
camera = PiCamera(resolution=(1280, 720),
framerate=Fraction(1, 6),
sensor_mode=3)
camera.shutter_speed = 6000000
camera.iso = 800
# Give the camera a good long time to set gains and
# measure AWB (you may wish to use fixed AWB instead)
sleep(30)
camera.exposure_mode = 'off'
# Finally, capture an image with a 6s exposure. Due
# to mode switching on the still port, this will take
# longer than 6 seconds
camera.capture('dark.jpg')
from io import BytesIO from time import sleep from picamerax import PiCamera # Create an in-memory stream my_stream = BytesIO() camera = PiCamera() camera.start_preview() # Camera warm-up time sleep(2) camera.capture(my_stream, 'jpeg')
from time import sleep
from picamerax import PiCamera
# Explicitly open a new file called my_image.jpg
my_file = open('my_image.jpg', 'wb')
camera = PiCamera()
camera.start_preview()
sleep(2)
camera.capture(my_file)
# At this point my_file.flush() has been called, but the file has
# not yet been closed
my_file.close()
from time import sleep
from picamerax import PiCamera
camera = PiCamera()
camera.resolution = (1024, 768)
camera.start_preview()
# Camera warm-up time
sleep(2)
camera.capture('foo.jpg', resize=(320, 240))