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Added movable temperature cursor using IJKL keys #10

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Added movable temperature cursor using IJKL keys #10

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606dd65
added movable cursor using ijkl
oriolgalceran Dec 18, 2023
312ef19
changed back to false on cap.set
oriolgalceran Dec 18, 2023
ceb3f84
added multiple sensor points using O to add and backspace to remove
oriolgalceran Dec 18, 2023
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122 changes: 88 additions & 34 deletions src/tc001v4.2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,8 @@
import argparse
import time
import io

import random
import copy
#We need to know if we are running on the Pi, because openCV behaves a little oddly on all the builds!
#https://raspberrypi.stackexchange.com/questions/5100/detect-that-a-python-program-is-running-on-the-pi
def is_raspberrypi():
Expand Down Expand Up @@ -58,12 +59,14 @@ def is_raspberrypi():
if isPi == True:
cap.set(cv2.CAP_PROP_CONVERT_RGB, 0.0)
else:
cap.set(cv2.CAP_PROP_CONVERT_RGB, False)
cap.set(cv2.CAP_PROP_CONVERT_RGB, 0)

#256x192 General settings
width = 256 #Sensor width
height = 192 #sensor height
scale = 3 #scale multiplier
hpos = 0.5
vpos = 0.5
scale = 5 #scale multiplier
newWidth = width*scale
newHeight = height*scale
alpha = 1.0 # Contrast control (1.0-3.0)
Expand All @@ -77,21 +80,52 @@ def is_raspberrypi():
hud = True
recording = False
elapsed = "00:00:00"
snaptime = "None"

curr_time = "None"
sensor_list = []
def rec():
now = time.strftime("%Y%m%d--%H%M%S")
#do NOT use mp4 here, it is flakey!
videoOut = cv2.VideoWriter(now+'output.avi', cv2.VideoWriter_fourcc(*'XVID'),25, (newWidth,newHeight))
return(videoOut)

def snapshot(heatmap):
#I would put colons in here, but it Win throws a fit if you try and open them!
now = time.strftime("%Y%m%d-%H%M%S")
snaptime = time.strftime("%H:%M:%S")
cv2.imwrite("TC001"+now+".png", heatmap)
return snaptime


class SensorPoint:
def __init__(self, hpos, vpos, id):
self.hpos = copy.copy(hpos)
self.vpos = copy.copy(vpos)
self.name = name="TT-{}".format(id)


def display(self):
hi = thdata[int(height*self.vpos)][int(width*self.hpos)][0]
lo = thdata[int(height*self.vpos)][int(width*self.hpos)][1]
#print(hi,lo)
lo = lo*256
rawtemp = hi+lo
#print(rawtemp)
self.temp = (rawtemp/64)-273.15
self.temp = round(self.temp,2)
# draw crosshairs
cv2.line(heatmap,(int(newWidth*self.hpos),int(newHeight*self.vpos)+20),\
(int(newWidth*self.hpos),int(newHeight*self.vpos)-20),(255,255,255),2) #vline
cv2.line(heatmap,(int(newWidth*self.hpos)+20,int(newHeight*self.vpos)),\
(int(newWidth*self.hpos)-20,int(newHeight*self.vpos)),(255,255,255),2) #hline

cv2.line(heatmap,(int(newWidth*self.hpos),int(newHeight*self.vpos)+20),\
(int(newWidth*self.hpos),int(newHeight*self.vpos)-20),(0,0,0),1) #vline
cv2.line(heatmap,(int(newWidth*self.hpos)+20,int(newHeight*self.vpos)),\
(int(newWidth*self.hpos)-20,int(newHeight*self.vpos)),(0,0,0),1) #hline
#show temp
cv2.putText(heatmap,str(self.temp)+' C', (int(newWidth*self.hpos)+10, int(newHeight*self.vpos)-10),\
cv2.FONT_HERSHEY_SIMPLEX, 0.45,(0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(heatmap,str(self.temp)+' C', (int(newWidth*self.hpos)+10, int(newHeight*self.vpos)-10),\
cv2.FONT_HERSHEY_SIMPLEX, 0.45,(0, 255, 255), 1, cv2.LINE_AA)
#show name
cv2.putText(heatmap,str(self.name), (int(newWidth*self.hpos)+10, int(newHeight*self.vpos)-25),\
cv2.FONT_HERSHEY_SIMPLEX, 0.45,(0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(heatmap,str(self.name), (int(newWidth*self.hpos)+10, int(newHeight*self.vpos)-25),\
cv2.FONT_HERSHEY_SIMPLEX, 0.45,(0, 255, 255), 1, cv2.LINE_AA)


while(cap.isOpened()):
# Capture frame-by-frame
Expand All @@ -102,8 +136,8 @@ def snapshot(heatmap):
#https://www.eevblog.com/forum/thermal-imaging/infiray-and-their-p2-pro-discussion/200/
#Huge props to LeoDJ for figuring out how the data is stored and how to compute temp from it.
#grab data from the center pixel...
hi = thdata[96][128][0]
lo = thdata[96][128][1]
hi = thdata[int(height*vpos)][int(width*hpos)][0]
lo = thdata[int(height*vpos)][int(width*hpos)][1]
#print(hi,lo)
lo = lo*256
rawtemp = hi+lo
Expand Down Expand Up @@ -192,23 +226,24 @@ def snapshot(heatmap):
cmapText = 'Inv Rainbow'

#print(heatmap.shape)

for sensor in sensor_list:
sensor.display()
# draw crosshairs
cv2.line(heatmap,(int(newWidth/2),int(newHeight/2)+20),\
(int(newWidth/2),int(newHeight/2)-20),(255,255,255),2) #vline
cv2.line(heatmap,(int(newWidth/2)+20,int(newHeight/2)),\
(int(newWidth/2)-20,int(newHeight/2)),(255,255,255),2) #hline

cv2.line(heatmap,(int(newWidth/2),int(newHeight/2)+20),\
(int(newWidth/2),int(newHeight/2)-20),(0,0,0),1) #vline
cv2.line(heatmap,(int(newWidth/2)+20,int(newHeight/2)),\
(int(newWidth/2)-20,int(newHeight/2)),(0,0,0),1) #hline
cv2.line(heatmap,(int(newWidth*hpos),int(newHeight*vpos)+20),\
(int(newWidth*hpos),int(newHeight*vpos)-20),(255,255,255),2) #vline
cv2.line(heatmap,(int(newWidth*hpos)+20,int(newHeight*vpos)),\
(int(newWidth*hpos)-20,int(newHeight*vpos)),(255,255,255),2) #hline

cv2.line(heatmap,(int(newWidth*hpos),int(newHeight*vpos)+20),\
(int(newWidth*hpos),int(newHeight*vpos)-20),(0,0,0),1) #vline
cv2.line(heatmap,(int(newWidth*hpos)+20,int(newHeight*vpos)),\
(int(newWidth*hpos)-20,int(newHeight*vpos)),(0,0,0),1) #hline
#show temp
cv2.putText(heatmap,str(temp)+' C', (int(newWidth/2)+10, int(newHeight/2)-10),\
cv2.putText(heatmap,str(temp)+' C', (int(newWidth*hpos)+10, int(newHeight*vpos)-10),\
cv2.FONT_HERSHEY_SIMPLEX, 0.45,(0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(heatmap,str(temp)+' C', (int(newWidth/2)+10, int(newHeight/2)-10),\
cv2.putText(heatmap,str(temp)+' C', (int(newWidth*hpos)+10, int(newHeight*vpos)-10),\
cv2.FONT_HERSHEY_SIMPLEX, 0.45,(0, 255, 255), 1, cv2.LINE_AA)

if hud==True:
# display black box for our data
cv2.rectangle(heatmap, (0, 0),(160, 120), (0,0,0), -1)
Expand All @@ -230,16 +265,16 @@ def snapshot(heatmap):

cv2.putText(heatmap,'Contrast: '+str(alpha)+' ', (10, 84),\
cv2.FONT_HERSHEY_SIMPLEX, 0.4,(0, 255, 255), 1, cv2.LINE_AA)



cv2.putText(heatmap,'Snapshot: '+snaptime+' ', (10, 98),\
cv2.FONT_HERSHEY_SIMPLEX, 0.4,(0, 255, 255), 1, cv2.LINE_AA)
curr_time = time.strftime("%Y-%m-%d %H:%M:%S")
cv2.putText(heatmap,curr_time, (10, 112), cv2.FONT_HERSHEY_SIMPLEX, 0.4,(0, 255, 255), 1, cv2.LINE_AA)

if recording == False:
cv2.putText(heatmap,'Recording: '+elapsed, (10, 112),\
cv2.FONT_HERSHEY_SIMPLEX, 0.4,(200, 200, 200), 1, cv2.LINE_AA)
cv2.putText(heatmap,'Not recording', (10, 98),\
cv2.FONT_HERSHEY_SIMPLEX, 0.4,(0, 255, 255), 1, cv2.LINE_AA)
if recording == True:
cv2.putText(heatmap,'Recording: '+elapsed, (10, 112),\
cv2.putText(heatmap,'Recording: '+elapsed, (10, 98),\
cv2.FONT_HERSHEY_SIMPLEX, 0.4,(40, 40, 255), 1, cv2.LINE_AA)

#Yeah, this looks like we can probably do this next bit more efficiently!
Expand Down Expand Up @@ -271,6 +306,22 @@ def snapshot(heatmap):
videoOut.write(heatmap)

keyPress = cv2.waitKey(1)
print(keyPress)
if keyPress == ord('i'):
vpos -= 0.005
if keyPress == ord('k'):
vpos += 0.005
if keyPress == ord('j'):
hpos -= 0.005
if keyPress == ord('l'):
hpos += 0.005
if keyPress == ord('o'):
sensor_list += [SensorPoint(hpos,vpos,len(sensor_list))]
if keyPress == 8 and len(sensor_list):
sensor_list.pop()

hpos = max(min(hpos,0.99), 0.01)
vpos = max(min(vpos,0.99), 0.01)
if keyPress == ord('a'): #Increase blur radius
rad += 1
if keyPress == ord('z'): #Decrease blur radius
Expand Down Expand Up @@ -344,7 +395,10 @@ def snapshot(heatmap):
elapsed = "00:00:00"

if keyPress == ord('p'): #f to finish reording
snaptime = snapshot(heatmap)
#I would put colons in here, but it Win throws a fit if you try and open them!
now = time.strftime("%Y-%m-%d-%H-%M-%S")
cv2.imwrite("TC001-"+now+".png", heatmap)


if keyPress == ord('q'):
break
Expand Down