Created Inital Files and basic notes on functionalaity and saved some test photos to test program

2019-06-30 22:46:45 +08:00
8 changed files with 16 additions and 0 deletions
--- a/Photos/daylight_photo_1.jpg
+++ b/Photos/daylight_photo_1.jpg
--- a/Photos/daylight_photo_2.jpg
+++ b/Photos/daylight_photo_2.jpg
--- a/Photos/nighttime_photo_1.jpg
+++ b/Photos/nighttime_photo_1.jpg
--- a/Photos/nighttime_photo_2.jpg
+++ b/Photos/nighttime_photo_2.jpg
--- a/Photos/nighttime_photo_3.jpg
+++ b/Photos/nighttime_photo_3.jpg
--- a/Photos/nighttime_photo_4.jpg
+++ b/Photos/nighttime_photo_4.jpg
--- a/notes.md
+++ b/notes.md
@ -0,0 +1,11 @@
+# Snapshot url
+http://192.168.0.16:8765/picture/1/current/?_username=admin&_signature=4c839a546045ccf433f24e6cd62ec7e1e5334f7a
+
+# Brightness function reference
+https://stackoverflow.com/questions/3490727/what-are-some-methods-to-analyze-image-brightness-using-python
+
+# Functions To-do List
+- [ ] Grab snapshot from camera stream
+- [ ] Calculate brightness from camera stream
+- [ ] output brightness to terminal
+- [ ] interface brightness to node-red/home-assistant system
--- a/test.py
+++ b/test.py
@ -0,0 +1,5 @@
+def brightness( im_file ):
+   im = Image.open(im_file)
+   stat = ImageStat.Stat(im)
+   r,g,b = stat.mean
+   return math.sqrt(0.241*(r**2) + 0.691*(g**2) + 0.068*(b**2))