You might want to use iframe's so you can refresh just individual
sections when you need to.
On Fri, 2004-03-19 at 12:00, dpgirago@xxxxxxxxxxxxxx wrote:
> Howdy Listers,
>
> The Background:
> I am making dynamic, color-coded, png images of the floor plan of a
> building and displaying them in a browser. Numerous radioactivity sensors
> throughout the building send their readings to a MySQL dB, and the web
> page queries the dB, and depending on the readings, the areas specific to
> the sensors will appear green for normal, yellow for high but acceptable,
> and red for critical. All this works OK.
>
> The Problem:
> Neither the HTML nor JavaScript code I usually use for automatically
> refreshing a page has any effect if the header("Content-type: image/png")
> necessary for displaying the png image is included. If I comment out the
> header() line, the page refreshes, but the image data comes through as
> hieroglyphics. Obviously, I need to refresh the page to get the latest
> data, and to create and display the corresponding image.
>
> The Question:
> Is there any way to automatically refresh a web page displaying a png
> image?
>
> Thanks in advance for any thoughts/insights into how I can solve this
> problem.
>
> dave
--
Adam Voigt
adam@xxxxxxxxxxxxx
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