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Posting realtime data (graph) on the net

 
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DanRRight



Joined: 10 Mar 2008
Posts: 2923
Location: South Pole, Antarctica

PostPosted: Wed May 04, 2011 3:36 pm    Post subject: Posting realtime data (graph) on the net Reply with quote

Have anyone here done that?
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DanRRight



Joined: 10 Mar 2008
Posts: 2923
Location: South Pole, Antarctica

PostPosted: Sat May 21, 2011 11:38 am    Post subject: Reply with quote

What i mean is mostly this one i found on the net

http://www.aim.env.uea.ac.uk/aim/info/fortran.pdf

At least it may look like this (the gif is reneved every min):

http://quotes.ino.com/chart/?s=NYMEX_CL.N11.E
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silicondale



Joined: 15 Mar 2007
Posts: 252
Location: Matlock, Derbyshire, UK

PostPosted: Sat Mar 17, 2012 8:31 pm    Post subject: Reply with quote

Hello, Dan - with some help from other contributors, I have managed to do this - but it seems that you can't do it with ordinary rented web space, for security reasons. I have rented a virtual private server (costing �10 / $15 a month) and it works just fine with that. So far I have programmed it with a combination of classic ASP on the web pages and standalone Fortran programs which do all their I/O to and from files. Still an issue if you have fatal errors that aren't trapped because they try to open a message window on a non-existent monitor, but you can probably get around all of these by trapping them, other than infinite loops which require going into the server as administrator and killing the program manually. I have generated JPG and GIF graphics using Clearwin+ functions, and also SVG format by simple Fortran coding. Most impressed by the SVG as this can be displayed directly by the browser without needing even a hot HTML page. Please contact me direct if you'd like more info on this.
All the best -- Steve
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