[HamWAN PSDR] HamWAN use cases [was: hamwan.net DDNS]

[John D. Hays]

Look at node.js for server side real time updates.

________________________________
John D. Hays
K7VE
PO Box 1223, Edmonds, WA 98020-1223



On Tue, Apr 22, 2014 at 1:27 PM, Tom Hayward <esarfl at gmail.com> wrote:
> On Tue, Apr 22, 2014 at 1:00 PM, Dean Gibson AE7Q <hamwan at ae7q.com> wrote:
>> Is the data in a "client bubble" dynamic in the sense of refreshing every
>> time a client location is clicked, or is a page refresh needed for a data
>> update?
>
> No, it's all loaded when the page is first loaded. One of the
> enhancements for the map I'd like is background updates, so you don't
> have to refresh the whole page to update the map data.
>
>> If the latter, I'm curious as to why we are using client-side (eg,
>> JavaScript) rather than server-side (eg, php) processing.  I use Google Maps
>> on a couple of my web pages, and it works well with php.
>
> I'm not sure exactly what you're suggesting. Javascript places lat/lon
> points on Google's slippy map interface. This allows you to pan the
> map and zoom, and javascript will fetch the tiles for the new area,
> and move the Point to the appropriate new pixel coordinate for the
> lat/lon.
>
> The only way to do something like this server side would be rendering
> an image, then rendering a new image every time they want to pan or
> zoom a new area. This would not be a good experience.
>
> Tom
>
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