On Thu, Apr 26, 2001 at 11:35:26PM +0100, Lee wrote:
Hi there,
[Some questions about working with C programs snipped] Essentially, if you can get the data back quickly enough, you should have no problem. (You don't want the browser to time out waiting for a response). You have two major options in working witht the programs, both probably involve External methods. you can invoke the 'C' program from a system call and have it drop something into a LocalFS accessible directory. Or you can pipe something. This is oten a matter of taste, but in the case of visualiztion, may not be. For example. I am working the following system. I have engineering (ACAD) drawings on several servers and a database that keeps a name to URN correspondence. Once a drawing is requested, it is pulled back to the Zope server (via rsync), and converted to any of several JPEGs, PNGs, PDFs, or PS files. These may be put in a filespace for viewing, or they may ve piped directly to a printer. Again, the only question is speed, make sure you get back to the browser in a timely manner. Jim Penny
- Best regards,
Lee
-- Lee Reilly mailto:lee.reilly@ntlworld.com http://www.footkick.co.uk/lee
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