topbanner_forum
  *

avatar image

Welcome, Guest. Please login or register.
Did you miss your activation email?

Login with username, password and session length
  • Tuesday August 16, 2022, 7:56 am
  • Proudly celebrating 15+ years online.
  • Donate now to become a lifetime supporting member of the site and get a non-expiring license key for all of our programs.
  • donate

Author Topic: Detect change in marked area  (Read 9203 times)

kgp43

  • Participant
  • Joined in 2016
  • *
  • default avatar
  • Posts: 1
    • View Profile
    • Donate to Member
Detect change in marked area
« on: March 03, 2016, 11:03 AM »
Hi,

I just found this brilliant forum and hope some of you guys will be able to help me out :)

A windows program that will detect a change in a "marked/selected" area of the screen, and play a sound if it changes.

Example:
  • Start program
  • Select what area of the screen to monitor
  • Select sound file to play
  • click start button

The software will then "monitor" the selected area of the screen and play the sound file it it changes.

This will be used to monitor a game interface (window mode) and alert me if something changes (in a defined area of the window).


I hope one of you find this exciting and decide to give it a try :)

Ath

  • Supporting Member
  • Joined in 2006
  • **
  • Posts: 3,571
    • View Profile
    • Donate to Member
Re: Detect change in marked area
« Reply #1 on: March 03, 2016, 03:05 PM »
Exactly the same request has been posted on this forum some time ago, but I don't recall if it was answered... :-[

4wd

  • Supporting Member
  • Joined in 2006
  • **
  • Posts: 5,575
    • View Profile
    • Donate to Member
Re: Detect change in marked area
« Reply #2 on: March 03, 2016, 08:05 PM »
Exactly the same request has been posted on this forum some time ago, but I don't recall if it was answered... :-[

If it was this you were thinking of it wasn't ... but there is: Skrommel's PixelNotifier
« Last Edit: March 03, 2016, 08:19 PM by 4wd »

lhatch

  • Participant
  • Joined in 2021
  • *
  • default avatar
  • Posts: 1
    • View Profile
    • Donate to Member
Re: Detect change in marked area
« Reply #3 on: December 10, 2021, 10:04 AM »
Sorry to revive an old post, but I too need this. 

I did pulled Pixelnotifier program and do not understand it.  I want to monitor an area of the screen (not a pixel) and if a % different change happened make a sound and launch a program maybe.  I would use it to monitor a video camera windows for change.  Sure other will use it for stock symbol changes and more.

I did have a program from years ago in autohotkey from Skrommel, but it never worked and I did not follow up with him.  Hoping someone has written something like that.  Or better documentation for pixel notifier.

I can upload the Skrommel code I have if needed.

Thanks.

user45454

  • Participant
  • Joined in 2010
  • *
  • Posts: 21
    • View Profile
    • Donate to Member
Re: Detect change in marked area
« Reply #4 on: March 24, 2022, 04:37 PM »
Yes, Lets revive this yet post again, I would realy like a program like this!

Usage: I would use a webcam pointed to my heater (see picture)
The program could watch the stream or I can snap picutures at intervalls that the program could look at.
If the ALARM lamp turns red = run a program.
Alarm is the lamp marked with an "!" in a rectangle and it can turn red or stay off.
Vatten.jpgDetect change in marked area

Alarm is the most important, but if possible I would like to look at the other lights to.


publicdomain

  • Honorary Member
  • Joined in 2019
  • **
  • Posts: 499
  • Call me Vic!
    • View Profile
    • PublicDomain.is
    • Read more about this member.
    • Donate to Member
Re: Detect change in marked area
« Reply #5 on: March 24, 2022, 07:39 PM »
If the ALARM lamp turns red = run a program.

Hi! I have code for this (GetWindowRect + percentage difference between images).

If you're having the webcam feed visible via webcam viewer program, this is a small app which can be put together quickly :)

Please confirm.
My name's Victor but do feel free to call me Vic!

❤️ Support on Patreon @ www.patreon.com/publicdomain
🎁 One-time Paypal @ www.paypal.com/paypalme/victorvls
Email/Paypal: publicdomainvicgmail.com
« Last Edit: April 05, 2022, 11:26 PM by publicdomain »

publicdomain

  • Honorary Member
  • Joined in 2019
  • **
  • Posts: 499
  • Call me Vic!
    • View Profile
    • PublicDomain.is
    • Read more about this member.
    • Donate to Member
Re: Detect change in marked area
« Reply #6 on: April 05, 2022, 06:50 PM »
My name's Victor but do feel free to call me Vic!

❤️ Support on Patreon @ www.patreon.com/publicdomain
🎁 One-time Paypal @ www.paypal.com/paypalme/victorvls
Email/Paypal: publicdomainvicgmail.com