Bitstring <[email hidden]>, from the wonderful
person Nigel Cliffe <[email hidden]> said
Quoted message said:Hbunnet said:The blurb I read on the Garmin site suggested that the "X" series is
needed for max resolution. Mine is a 60CS so GSV's info about paths
missing is disappointing.
Google for a report I made a few weeks back from the Garmin Website viewer.
In summary, I was seriously disappointed about the path reporting; both
items missing (ROW and surface features) and items recorded which are
over-emphasised by the software (minor private farm tracks looking more
important than surfaced public roads).
Just to add some more comments (and I picked 'here' for no very good
reason) ..
These farm 'tracks' (which show as 'track' in Mapsource) are also
invisible on my 60C, running 4.00 release firmware. Again, if I hover
the pointer over them I get a popup .. this time 'Area' (of type
'area'😉. Apparently there are some .IMG file types which my 60C isn't
rendering!!
It's also interesting that the 'track' is an area type - although if you
zoom in on Mapsource you can see that tracks do have an area sort of
outline - c.f. lakes, rather than streams .. I guess Garmin ripped those
from satellite photos, or OS raster data, somehow, rather than OS vector
data. 'Path' definitely looks like it came from OS 'path' data though
(not ROWs!) since several of the ones marked have no visible existence
on the ground).
The 'holes in contours' I compared with 1:25k OS mapping data
(tracklogs) and the gaps are
a) where there are quarries, cliffs,
b) or where the 1:25k data also has missing contour sections (try
'getamap' for Dodshill Bank in Shropshire, and look North to NE from
'The Knapp' farm .. no reason I can see!).
c) even a small gap in a 1:25k contour can apparently result in a bigger
gap in the Garmin topo data - c.f. the 340m contour just NW from the
'Three Horseshoes' trig point - 'nothing much' visible on getamap view,
(although there are quarry markings - this was a brick/clay quarry, all
of 1-2m deep) but a hole in the UK topo 340m contour.
--
GSV Three Minds in a Can
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