[mat-wg] suggestions for atlas service
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Piotr Strzyzewski
Piotr.Strzyzewski at polsl.pl
Wed May 18 12:26:30 CEST 2011
On Wed, May 18, 2011 at 12:19:28PM +0200, Robert Kisteleki wrote: > > >> Background information: we'd rather not publish the exact geo-coordinates > >> the hosts put in, because of privacy concerns. So what we do now is that > >> whenever we display probes on a map, we round the geo-coordinates to two > >> digits. This introduces a "random" error of up to 1000 meters or so. (If you > >> zoom in on Amsterdam, where we have enough probes, you'll see that all > >> probes are aligned into a neat, sparse matrix; it's because of this.) > > > > It seems to be relatively easy to round the geo-coordinates to two > > digits (as you do it right now) and then add some random number from > > 0.00000 to 0.00999 to it. > > Yes, but it would also make the probes dance around at each page load. I'm > sure it would be entertaining, but not so sure about the usefulness :-) I was rather thinking about some random, but fixed (put into database) number for each probe. OTOH it would be nice to see a movie from such a dance. ;-) Piotr -- gucio -> Piotr Strzyżewski E-mail: Piotr.Strzyzewski at polsl.pl
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