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picmaeramancontrol.py
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picmaeramancontrol.py
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#Trackbar Picamera manual control program
#program tested with Rasspberry PI 3B+.v2 NoIR camera
#sets up 2 windows -trackbar window and video quad display showing cmera settings and R, B and RGB components
#record video by setting file name, videowriter formet and enabling 'out.write(combined)'
#requires opencv2 and picamera
#ESC to quit
import time
import numpy as np
import cv2
import picamera
import picamera.array
from fractions import Fraction
def nothing(x):
pass
ISO_number = [100,200,320,400,500,640,800]
exposure_number = ['auto','off','night', 'nightpreview', 'backlight','spotlight', 'sports','snow','beach','verylong','fixedfps','antishake','fireworks']
effect_number = ['none','negative','solarize', 'colorswap','washedout','colorbalance','cartoon','sketch', 'denoise','emboss', 'oilpaint','hatch','gpen','pastel','watercolor','film','blur']
font=cv2.FONT_HERSHEY_SIMPLEX
cv2.namedWindow("Public Lab")
blankimg= np.zeros((400,544,3),np.uint8)
cv2.namedWindow("Trackbars", cv2.WINDOW_NORMAL)
#cv2.resizeWindow("Trackbars",512,512)
cv2.createTrackbar ('Exposure Comp',"Trackbars",25,50,nothing)
cv2.createTrackbar ('Red Gain',"Trackbars",10,80,nothing)
cv2.createTrackbar ('Blue Gain',"Trackbars",10,80,nothing)
cv2.createTrackbar ('Frame Rate',"Trackbars",25,60,nothing)
cv2.createTrackbar ('Contrast',"Trackbars",100,200,nothing)
cv2.createTrackbar ('Brightness',"Trackbars",50,100,nothing)
cv2.createTrackbar ('Saturation',"Trackbars",100,200,nothing)
cv2.createTrackbar ('Sharpness',"Trackbars",100,200,nothing)
cv2.createTrackbar ('Exposure',"Trackbars",0,11,nothing)
cv2.createTrackbar ('Effects',"Trackbars",0,16,nothing)
# Create a VideoCapture object/used for video recording
cap = cv2.VideoCapture(0)
#Set video frame height
height= 400
width=544
frame_width = 544
#frame_height = int(cap.get(4))
frame_height= 400
# Define the codec and create VideoWriter object. Three choices aare available avi,mpeg4 or h264
#The output is stored in 'outpy.avi' file.
#out = cv2.VideoWriter('outpy.avi',cv2.VideoWriter_fourcc('M','J','P','G'), 10, (frame_width,frame_height))
#twice height and width
#set video writer MPEG4 =XVID
out = cv2.VideoWriter('/home/pi/Desktop/NDVItest20.mp4',cv2.VideoWriter_fourcc('X','V','I','D'), 10, (1088,800),1)
#set video writer (MJPG=avi) option
#out = cv2.VideoWriter('/home/pi/Desktop/NDVItestwithtrackbar.avi',cv2.VideoWriter_fourcc('M','J','P','G'), 10, (1088,800),1)
#set video writer H264 option
#out = cv2.VideoWriter('/home/pi/Desktop/output.h264',cv2.VideoWriter_fourcc('H','2','6','4'), 10, (1088,800),1)
#def functions
def label(image, text):
"""
Labels the given image with the given text
"""
return cv2.putText(image, text, (0, 50), font, 2, (255,255,255),4)
def disp_multiple(im1=None, im2=None, im3=None, im4=None):
# height, width = im1.shape
combined = np.zeros((2 * height, 2 * width, 3), dtype=np.uint8)
# combined[0:height, 0:width, :] = cv2.cvtColor(im1, cv2.COLOR_GRAY2RGB)
# combined[height:, width:, :] = im1
combined[0:height, 0:width, :] = im1
combined[height:, 0:width, :] = cv2.cvtColor(im2, cv2.COLOR_GRAY2RGB)
# combined[height:, 0:width, :] = im2
# combined[height:, width:, :] = im3
combined[0:height, width:, :] = cv2.cvtColor(im3, cv2.COLOR_GRAY2RGB)
combined[height:, width:, :] = im4
return combined
#begin camera collection
def run():
with picamera.PiCamera() as camera:
# Set the camera parameters
x = 400
# camera.resolution = (int(640), x)
camera.resolution = (544, x)
# Various optional camera settings below:
camera.iso=100
camera.framerate = 30
camera.awb_mode = 'off'
camera.exposure_mode = "off"
# camera.framerate = Fraction (1,6)
#red/blue camera ratios from 0 to 8
# camera.awb_gains = (Red_gain,Blue_gain)
# Need to sleep to give the camera time to get set up properly
time.sleep(1)
with picamera.array.PiRGBArray(camera) as stream:
# Loop constantly
while True:
# Grab data from the camera, in colour format
# NOTE: This comes in BGR rather than RGB, which is important
# for later!
camera.capture(stream, format='bgr', use_video_port=True)
image = stream.array
image1=image
# Get the individual colour components of the image
b, g, r = cv2.split(image)
#get info from Trackbars
Exposure_Comp=cv2.getTrackbarPos ("Exposure Comp","Trackbars")
Red_gain =cv2.getTrackbarPos ("Red Gain","Trackbars")
Blue_gain =cv2.getTrackbarPos ("Blue Gain","Trackbars")
Frame_rate =cv2.getTrackbarPos ("Frame Rate","Trackbars")
Contrast =cv2.getTrackbarPos ('Contrast',"Trackbars")
Brightness =cv2.getTrackbarPos ('Brightness',"Trackbars")
ISO =cv2.getTrackbarPos ('ISO',"Trackbars")
Exp=cv2.getTrackbarPos ('Exposure',"Trackbars")
Saturation=cv2.getTrackbarPos ('Saturation',"Trackbars")
Sharpness=cv2.getTrackbarPos ('Sharpness',"Trackbars")
Effects=cv2.getTrackbarPos ('Effects',"Trackbars")
#scale camera settings
camera.exposure_compensation = Exposure_Comp-25
camera.awb_gains = (Red_gain/10,Blue_gain/10)
camera.framerate = Frame_rate
camera.contrast = Contrast-100
camera.brightness = Brightness
camera.exposure_mode = exposure_number[Exp]
camera.saturation = Saturation-100
camera.sharpness = Sharpness-100
camera.image_effect = effect_number[Effects]
# Label images
label(image1, 'RGB')
label(b, 'B')
label(r, 'R')
# Combine ready for display
combined = disp_multiple(blankimg,b,r,image1)
# write video
cv2.putText(combined,"Exposure Compensation:",(10,25),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.exposure_compensation),(450,25),font,1,(256,256,256),2)
cv2.putText(combined,"Blue",(10,55),font,1,(256,0,0),2)
cv2.putText(combined,"/",(80,55),font,1,(256,256,256),2)
cv2.putText(combined,"Red Gain:",(110,55),font,1,(0,0,256),2)
cv2.putText(combined,str(Red_gain/10),(470,55),font,1,(0,0,256),2)
cv2.putText(combined,"/",(450,55),font,1,(256,256,256),2)
cv2.putText(combined,str(Blue_gain/10),(400,55),font,1,(256,0,0),2)
cv2.putText(combined,"Frame Rate:",(10,85),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.framerate),(450,85),font,1,(256,256,256),2)
cv2.putText(combined,"Contrast:",(10,115),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.contrast),(450,115),font,1,(256,256,256),2)
cv2.putText(combined,"Brightness:",(10,145),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.brightness),(450,145),font,1,(256,256,256),2)
cv2.putText(combined,"Saturation:",(10,175),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.saturation),(450,175),font,1,(256,256,256),2)
cv2.putText(combined,"Sharpness:",(10,205),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.sharpness),(450,205),font,1,(256,256,256),2)
cv2.putText(combined,"Exposure:",(10,235),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.exposure_mode),(355,235),font,1,(256,256,256),2)
cv2.putText(combined,"Image Effect:",(10,265),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.image_effect),(355,265),font,1,(256,256,256),2)
cv2.putText(combined,"ISO:",(10,295),font,1,(256,256,256),2)
cv2.putText(combined,str(camera.iso),(355,295),font,1,(256,256,256),2)
cv2.putText(combined,"Exposure Speed:",(10,325),font,1,(256,256,256),2)
cv2.putText(combined,str(round(camera.exposure_speed/1000000,4)),(355,325),font,1,(256,256,256),2)
cv2.putText(combined,"Analog Gain:",(10,355),font,1,(256,256,256),2)
cv2.putText(combined,str(round(float(camera.analog_gain),2)),(355,355),font,1,(256,256,256),2)
cv2.putText(combined,"Digital Gain:",(10,385),font,1,(256,256,256),2)
cv2.putText(combined,str(round(float(camera.digital_gain),2)),(355,385),font,1,(256,256,256),2)
cv2.putText(combined, "B", (460, 450), font, 2, (255,0,0),4)
cv2.putText(combined, "R", (1020, 50), font, 2, (0,0,255),4)
# use for video recording
# out.write(combined)
# Display
cv2.imshow('Public Lab', combined)
stream.truncate(0)
# press ESC to break
c = cv2.waitKey(7) % 0x100
if c == 27:
break
# cleanup or things will get messy
cv2.destroyAllWindows()
cap.release()
out.release()
if __name__ == '__main__':
run()