[postgis-users] Calculating driving distance/times

[Anthony DeBarros]

Looks very interesting -- thank you!

On Mon, Jan 28, 2019 at 4:25 PM James Keener <jim at jimkeener.com> wrote:

> I actually just finished talking about this within the context of a
> transit stop's walkshed.
>
>
> http://jimkeener.com/posts/calculating-service-area-part-2-defining-the-walkshed
>
> I used PostgreSQL + postGIS + pg-routing to do analysis and QGIS to do
> the visualization.
>
> Hop that helps some!
>
> On 1/28/19, Anthony DeBarros <adebarros at gmail.com> wrote:
> > Hi, everyone. Longtime lurker, first-time poster here ...
> >
> > Let's say I have a collection of several thousand U.S. locations in the
> > U.S. geocoded by lat/long.
> >
> > I'd like to perform an analysis that lets me visualize places in the U.S.
> > that have none of these locations within a certain driving distance. For
> > example, if I had a collection of locations of fast-food restaurants, I
> > would like to show all the places in the U.S. that have no fast-food
> within
> > 100 miles.
> >
> > Are there tools PostGIS, QGIS, others or methodologies you'd recommend?
> >
> > Thanks,
> > Anthony
> >
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