Relatively simple stock trading "game"

This is a discussion on Relatively simple stock trading "game" within the Game Programming forums, part of the General Programming Boards category; I had the idea of making a simple stock market trainer for daytrading. The idea is you see a random ...

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    Relatively simple stock trading "game"

    I had the idea of making a simple stock market trainer for daytrading. The idea is you see a random day-graph "unrolling" at a predefined pace. So the program has a database of historical daily graphs (in png picture format) of some stock and the player has a buy and a sell button. The goal is then to make as much money per day as possible.

    I would like to use png pictures (or bmp if i convert them first) because i know where to get them. You have to pay for detailed historical price data and I'm not willing to do that. Also the program would have to read values from the pictures, here's a sample:

    http://i37.tinypic.com/2ebzxpw.png

    Im thinking it shouldnt be impossible to read values from it. The data is always the black line, so I have to remove the thin black frame in all pictures. Then do something like "if pixel = black" then read value. The numbers on the y-axis could probably also be read, converting the pixel-patterns into numbers. However I don't know how to do all this. I would need some picture library which handles bmp or png pics. Something which could read the color of individual pixels and "roll a blanket" off the graphs, which would involve displaying a picture over an existing one or simply making temporary pictures for each clock tick and showing these one by one. Heres also a sample of how i think the program would work:

    http://i39.tinypic.com/29giw7l.jpg
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    And the web-site you are getting the .PNG images from do not mind that you are doing that? Just because the site is free to the public doesn't mean that you can take the images from it and use them as you like, you know?

    As to analyzing the images, if we assume that the font is always the same, it wouldn't be particularly hard to analyze that sort of information.

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    Quote Originally Posted by matsp View Post
    And the web-site you are getting the .PNG images from do not mind that you are doing that? Just because the site is free to the public doesn't mean that you can take the images from it and use them as you like, you know?

    As to analyzing the images, if we assume that the font is always the same, it wouldn't be particularly hard to analyze that sort of information.

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    Yes I'll have to e-mail them about that. The font stays the same, do you have any suggestions on libraries to use?

    edit: found the pngwriter library. Is it good enough or are there better ones? Think I'll check it out first though and come here complaining when i have problems :P
    Last edited by finnepower; 01-27-2009 at 05:03 PM.
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    Sorry, have no suggestion for libraries to read PNG. But if we assume the font is the same, then you should be able to just have 10 bitmap segments, for the digits 0 .. 9, that when you find the digits on the side of the graph, you can determine the value from the 10 possible digits - you may need a couple of extra symbols (, and . for example).

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    I found this Stock Trading Game the looks pretty much like what you want to do. It has a daily competition for trading like your trying to build. Maybe it could give you some ideas for your stock trading tool.

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    Heh, I've always wanted to do something more like this:

    http://www.atariarchives.org/basicga...e.php?page=154
    http://www.atariarchives.org/basicga...e.php?page=155
    http://www.atariarchives.org/basicga...e.php?page=156

    That's kinda the direction I thought you might be going with this.
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    Wow - Mr. Madoff got a computer in prison?

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