Re: [aprsisce] Digest Number 1147
- On Mon, Apr 23, 2012 at 2:48 PM, Mykle Raymond <n7jzt@...> wrote:
> The Cycle Maps look very interesting as I have not seen them before.You are correct in that the hypsographic information used by the
> They will work fine for 24Hop coverage, but the USGS Topo maps (choose
> from a variety of providers, including the originals) are more
> representative, especially in areas of steep slopes. These contours
> look like they were generated from the USGS elevation data grid (DEM).
> I have used this data for shading, but not for contours unless I didn't
> have good alternatives.
CycleMaps aren't exactly high resolution data. The USGS data would be
higher accuracy. The CycleMap data gives to a better idea of the
terrain than the standard Mapnik map though.