Re: [mkgmap-dev] Question about the overview map

[Thomas Morgenstern]

Hallo, ich habe die WW Autoroute DEM Basemap 3.0 auf meinem Nüvi. Bei 
Bedarf kannst mich privat unter tho...@img2ms.de kontaktieren. ~50 MB 
Dateigröße

mfg

Am 19.04.2016 um 21:13 schrieb Jakob Mühldorfer:

Can one get these basemaps somewhere?
The one on my Nüvi 205 is gone (yes that was my fault, i admit)

Am 19.04.2016 um 20:57 schrieb franco_bez:

Hi Andrzej,

my map reaches up to zoom level 16.

I just tested, and you are right, starting from a certain Zoom level the
Basemap takes over if enabled.
With my map the 50km Zoom still shows my map, no basemap visible. 
Beginning
from 80km there is only the Basemap, and the device becomes reactive 
again.


Thanks again for the hint :-)

Ciao,
   Franco



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Re: [mkgmap-dev] Question about the overview map

[Jakob Mühldorfer]

Can one get these basemaps somewhere?
The one on my Nüvi 205 is gone (yes that was my fault, i admit)

Am 19.04.2016 um 20:57 schrieb franco_bez:

Hi Andrzej,

my map reaches up to zoom level 16.

I just tested, and you are right, starting from a certain Zoom level the
Basemap takes over if enabled.
With my map the 50km Zoom still shows my map, no basemap visible. Beginning
from 80km there is only the Basemap, and the device becomes reactive again.

Thanks again for the hint :-)

Ciao,
   Franco



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Re: [mkgmap-dev] Question about the overview map

[franco_bez]

Hi Andrzej,

my map reaches up to zoom level 16.

I just tested, and you are right, starting from a certain Zoom level the
Basemap takes over if enabled.
With my map the 50km Zoom still shows my map, no basemap visible. Beginning
from 80km there is only the Basemap, and the device becomes reactive again.

Thanks again for the hint :-)

Ciao,
  Franco



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Re: [mkgmap-dev] Question about the overview map

[Andrzej Popowski]

Hi Franco,

GPS should switch to basemap at lower scale, if basemap is enabled.

Maybe your map has extended level definition? Basemap starts at 
resolution 17, I think you should limit your detailed map to levels with 
resolution 24-18.


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Re: [mkgmap-dev] Question about the overview map

[franco_bez]

popej wrote
> have you enabled base map in GPS? It should be item like "Worldwide DEM 
> Basemap" in menu of your GPS.

Hi Andrzej,

No I do not have the Basemap enabled, anyway it's really old. 
Maybe it would show up in the blank spaces, maybe not.
But even if I enable the GARMIN Basemap my OSM map will still not perform
well in these extreme Zoom Levels. 
It slows down reactiveness of my device and almost crashes the system trying
to render the OSM map in 120km Zoom.

I think that best practice is to avoid these Zoom Levels.

Ciao,
  Franco




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Re: [mkgmap-dev] Question about the overview map

[Andrzej Popowski]

Hi Franco,

have you enabled base map in GPS? It should be item like "Worldwide DEM 
Basemap" in menu of your GPS.


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Re: [mkgmap-dev] Question about the overview map

[franco_bez]

Hi Thorsten and Andrzej,

thanks for the feedback.

In the map style I use there are no details on the top level.
Only Motorways and Major Cities.

Zooming out to the scale "30km" works  fine, but zooming further out does
not really work.

Here's a sample:
 

So I think I will have to live with the limitation of my old Oregon.

Ciao,
 Franco



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Re: [mkgmap-dev] Question about the overview map

[Andrzej Popowski]

Hi Franco,

> Is there any way to get an overview map working on the mobile device,
> or do we have to avoid zooming out too far?

Each Garmin GPS comes with base map preinstalled. It is a world map 
similar to preview map on PC. GPS displays base map when you zoom out.


You can replace base map with preview map, but there is not much reason 
to do it.


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Re: [mkgmap-dev] Question about the overview map

[Thorsten Kukuk]

On Mon, Apr 18, franco_bez wrote:

> Is it true that the overview map is only used by Mapsource and Bascamp on the
> PC, but does not work on the mobile devices themselves ?

Yes.

> Is there any way to get an overview map working on the mobile device, or do
> we have to avoid zooming out too far?

For this, there are the resolutions/levels.

With every level, I display less informations, and with the 
highest level/lowest resolution, I only display the same few
informations as with the overview map, means mostly highways
and the POI of some very big cities. This works pretty well
on my 62s.

  Thorsten

-- 
Thorsten Kukuk, Senior Architect SLES & Common Code Base
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nuernberg, Germany
GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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[mkgmap-dev] Question about the overview map

[franco_bez]

Is it true that the overview map is only used by Mapsource and Bascamp on the
PC, but does not work on the mobile devices themselves ?

I'm looking for a solution for the following problem:

When you zoom out to a really big scale ( 100km for instance ) the Oregon
will not be able to render all of the display area. Of course  the map is
large enough ( DACH ) , but if you zoom out to show all of Germany at once
the Oregon can not handle this.

I suspect that it has to scan all the 3.8GB of my dach.img for elements to
display and this is simply too much.

I thought that an overview map might fix this problem.

Is there any way to get an overview map working on the mobile device, or do
we have to avoid zooming out too far?

Ciao,
  Franco



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