seems it would be a javascript calculation?
On Jan 28, 2008 6:22 PM, David Asbury <[EMAIL PROTECTED]> wrote: > > I've got a little mashup I've been working on in Google Earth/Maps and > I'm stuck. The GE and KML Developer support forums have come up dry so > I'm hoping someone here has an idea about how I can work it out. > > I have created placemarks for several USGS stream gauges in my watershed > of interest and linked each placemark's balloon to the webpage of their > respective site. On said webpage are GIFs of graphs showing the stream's > discharge as recorded by the gauge. These GIFs are dynamically created > and update every 15 minutes. So now, everything looks great. Click on > the placemark icon, up pops the most recent graph - click on the graph > and you're redirected to the main page where you can get a lot more > information. > > The problem is that each GIF's URL is coded with the date, so every 24 > hours the links to the graphs break. Actually there are two dates in the > URL one for the day that the data on the chart begins and a second for > when it ends. Like so - <YYYYMMDD..YYYYMMDD>. You can customize the > graph from the website to display anywhere from 1 to 31 days of data. > The default is 7 days and that's what I'd like to show. > > So what I need is a bit of script that can either increment the date > (and subtract 7 to get the first date) and insert it into a URL, or grab > the date from somewhere, format it as YYYMMDD, subtract 7 and create a > dynamic URL. > > I'm guessing scripts won't work within the GE placemark description > boxes themselves (though I don't know), so I may need to setup a static > link in the placemark to a page where I've created this dynamic image. > > > -- > David Asbury > GIS Analyst/Cartographer > Center for Ecosystem Management and Restoration > 4179 Piedmont Ave. Ste. 325 > Oakland, CA 94611 > Voice: 510-420-4565 x2 > Fax: 510-420-1345 > email: asbury at cemar.org > web: cemar.org > _______________________________________________ > Geowanking mailing list > [email protected] > http://lists.burri.to/mailman/listinfo/geowanking > _______________________________________________ Geowanking mailing list [email protected] http://lists.burri.to/mailman/listinfo/geowanking
