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Memphis' Real Time Crime Center
Message
 
To
18/04/2008 16:58:33
General information
Forum:
Visual FoxPro
Category:
Internet applications
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Vista
Network:
Windows 2000 Server
Database:
MS SQL Server
Miscellaneous
Thread ID:
01311710
Message ID:
01311816
Views:
22
>Impressive concept!
>
>One thought on the generation of the real-time maps:
>
>As others have remarked, it takes some time for the crime map to show up. On my system (FireFox) I had to click past a couple of "Script appears to be busy ..." dialogs before the chosen map eventually appeared.
>
>Hopefully you aren't generating this map on the fly for each hit, because I don't think that's necessary. The maps are always the same, until a new report comes in. You could basically regenerate static pages (e.g. with a background server process) each time a report is received. In fact, you'd only have to regenerate the ones that have changed, not all of them will change for a given new crime report.
>
>If your current engine *is* generating maps on the fly, that is of course perfect to support ad-hoc queries, so definitely don't delete that function < g >

These are static pages that get recreated every 15 minutes, even thought the meta-refresh tags update the pages every 10.

>
>UPDATE: clicking on the "Simple Assaults" link (64 reports) basically crashed FireFox - 3 "busy scripts" messages, then CPU pinned indefinitely at 100%.
>

It's a performance issue with firefox. I've done some preliminary research on the issue and google knows about it, but I haven't found any fixes other than preloading the images, which I am trying.

>A couple of appearance quibbles:
>- you might want to clean up the artwork (e.g. dept. seal), it should be optimized for on-screen web page resolution, and in some places it's oval instead of round

I called myself fixing that. I'll run fireworks on the images and have it optimize also.

>- I'd consider a sans-serif font instead Times (New) Roman. You might want to rationalize any style sheet(s) you may be using

Good point.

Thanks for the criticism?<g>
John Harvey
Shelbynet.com

"I'm addicted to placebos. I could quit, but it wouldn't matter." Stephen Wright
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