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| Workaround ... The maps were assembled wrong ...
I saw the same issue in topo 3D ... Roads disappeared for a couple of
resolutions and then reappeared.
What I found was that the roads in question were categorized differently on
the topo 3d maps than on the base map. As you zoom in maps are first
displayed from the base map then they shift over, category by category as
the zoom level increases, to the detail map. The road category has to be
turned off from the base map and turned on from the detailed map at the same
level. If the roads are different categories this does not happenand, there
are one or two level where neither the base map or the detail map are active
for that miscategorized road.
I complained to Magellan but they told me it was the Navtek maps.
Bull!!Bull!!! Bull! Garmin does not display the same problem and they use
Navtek maps. Magellan assembled them wrond and In any case I bought a
Magellan product not a Navtek product. They stink and avoid taking
responsibility for their problems, but It's all that is available.
This is controled and can be modified see below for a section of post to the
Yahoo mapsend group:
an additional workaround to cause disappearing roads to be visable
is to modify the state's map.ini file for streets in the
[ACLV_INFO] section from (the AZ changes depending on the state):
AZ_Streets=1 1 501.000000 0
to
AZ_Streets=1 1 1001.000000 0
In the below problem the Arizona ini file at C:\Program
Files\Magellan\MapSe
nd Topo 3D USA\Map\AZ was modified.
I also modified the Utah map.ini file to make route S63 in Bryce NP
not disappear. Note that there are some map anomolies to the east of
Bryce NP that are present before the modification and therefore not
caused by the modification.
These are workarounds that seem to work for me. I do not know that
they will work for anyone else or if there are unknown
ramifications. Back up all files that you try to edit! I use topo 3D
for rural excursions so it is not an issue to me if detail is
displayed at an earlier level. I suspect that it would be much
different for someone using the program in a more conjested setting.
"Dave Shaffer" <macuser@adelphia.net> wrote in message
news:<41F32378.DB8FB820@adelphia.net>...
> Hi folks:
>
> I have a Meridian Color with Streets and Destinations.
>
> While I'm generally very pleased with the performance of the receiver,
> especially the brightness and resolution of the display, I've observed
> something odd.
>
> Highways sometime vanish in different views.
>
> By that I mean that I may be driving along a familiar section of I-80,
> following along very nicely on the screen. But if I move the view in or
> out, sometimes sections of the highway vanish. The little screen cursor
> will be traveling across a blank section of the map.
>
> I've experimented with this and found that there is a section of I-80
> that doesn't appear in certain views. It is there in closer and wider
> views, but there are two or three (.2, .4, .8 maybe) where it isn't
> visible.
>
> Anybody else seen this phenomenon? Is there a problem? (I would assume
> something is amiss...) What can I do to correct this?
>
> - Dave
>
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