Warren Block wrote:
:: Matt O'Toole <[email hidden]> wrote:
::
::: This makes sense. However, I'm surprised they're still
::: interpolating anything, w/ three dimensional plots of
::: the actual roads perhaps being available in GIS
::: databases.
::
:: There's a version of Topo available for use with the
:: Computrainer (computrainer.comcomputrainer.comOpen ↗), and the
:: problem is well known. Topo has the topo data, and the
:: routes of the roads, but roads often don't follow the
:: terrain. Cuts are made through hills, bridges over
:: valleys, and that adds up. The Computrainer version of
:: Topo has a "bridging" feature that lets you correct this
:: manually. I've tested this on local rides, and there are
:: some notable up-and-downs on routes that I know are not
:: that way in real life.
::
:: If there's true topo data for the roads themselves, it's
:: not in Topo. It would probably increase the database
:: size (possibly a lot), without increasing sales of the
:: program much.
Speaking of sales, just who are the typical customers of
such software? Obviously, some of us, and perhaps those who
hike, and maybe those to work in delivery? Who else?
I'm interesting in the DVD version, but I'm a bit unsure
if I'll really benefit from it. I'm using MS Streets and
Trips and find it fun to use....but I've already found two
road errors within a 20-mile raduis of my house (one
within 0.5 miles of my house), in addition to it missing a
major new highway!