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Messages - jolly47roger

#61
Map Making Support / Re: Converting KAP files to KML
April 23, 2017, 12:01:39 AM
MAPC2MAPC will convert KAP to a Google Earth Image Overlay (KML/KMZ)
#62
Unless you are using an online source of map data (such as Google) a GPS app does not need Cellular signals for the GPS to function. Look at apps such as Back Country Navigator for a smartphone.
#63
Yes, JAVAWA Device manager will report the number of segments in a map (on a USB stick, in my case)
#64
One possibility....

Try loading the KML into GPSU (www.gpsu.co.uk) - I guess it will appear as a series of broken tracks. If so, you can click on the start of each chunk and use Tools>Join/split track.

And save the result as a GPX.

If there is a large number of pieces, save as a PLT, use a text editor to convert all but the first ",1," to ",0," then reload the PLT and save as a GPX.
#65
I'm using Javawa map convertor and distributing maps as .gmap folder that go into
/programdata/garmin/maps with no need for registry entries.
#66
Are there any other maps on the GPS that might have conflicting segment numbers?

JAVAWA GMTK can help to diagnose this
#67
There are some tools that will convert maps but, because different map systems implement features in different ways, it is unlikely that you will be able to get an exact copy.

However, many of the maps posted on this site have licence conditions that prohibit conversion, re-engineering etc. - so check carefully!
#68
Map Making Support / Re: MP format Zoom# parameter
November 10, 2016, 10:06:32 AM
Hi Jack,

The Levels# directive links hardware levels (bits per coordinate like 21 or 23) to zoom levels.
For each object, the Data# directive defines the level at which the objects coordinates apply. My assumption is that the Zoom# directive maps the Data# to the Level#.

For example LevelX=21 ZoomX=Y DataY=(50.1,0.5) .

But, for safety, I keep X and Y the same so it's always, for example Zoom2=2
#69
Map Making Support / Indexed points
October 13, 2016, 06:39:25 AM
When compiling maps with cGPSMapper, there is an option POIIndex=Y/N.

But the Garmin IMG format contains 'Points of Interest' and 'Indexed Points of Interest' as separate data items.

It would be nice to switch indexing off or on for individual items (e.g index Hospitals but not trees) - is that possible?
#70
General Discussion / Re: USB 3.0 speed not so fast.
September 30, 2016, 01:04:10 AM
There several tools from Javawa to help you find out what is happening.

Some .img files have a bit set that makes them invisible to Basecamp and Javawa device manage will allow you to change that.
#71
Using The Maps/Garmin Software / Re: JNX
August 29, 2016, 02:38:41 PM
In that case, I can't see a reason for the "Too many JNX files" message.
#72
Using The Maps/Garmin Software / Re: JNX
August 29, 2016, 12:13:57 PM
JNX files are Birdseye (unless you have been making them yourself). Have you downloaded a lot of Birdseye stuff??
#73
Map Making Support / Re: Pdf map
August 26, 2016, 12:11:38 PM
The Garmin Custom Map format allows up to 100 map pieces ("tiles") each 1024x 1024 pixels.

There are tools like OKMap and MAPC2MAPC that will convert maps to that format. If the PDF is Georeferenced them MAPC2MAPC (with GDAL installed) will convert it with only a few clicks.
#74
GPSr Units / Re: Large Screen GPS for 4x4 Topo Display
August 13, 2016, 01:51:52 AM
Have you thought of an iPad with a separate Bluetooth GPS device (I use a GNS2000) that you can position for best reception? Or an Android tablet with a separate GPS device? In UK the GNS2000 costs about 70 Pounds - so about US$110.
#75
Map Making Support / MicroSD card
August 05, 2016, 11:50:09 AM
I compile a Garmin map and install it in Basecamp. I then use Basecamp to install onto the MicroSD card of a Garmin Oregon where it appears as Garmin/gmapsupp.img.

If I now copy that MicroSD card is there any reason why the copies should not work in other Garmin devices (assuming, of course, the card size is supported by the firmware)?