Converting JNX to raster IMG

AlexWhiter · 5th January 2014, 03:27 PM

Abedul,

I haven't tried this.
Could you please try to add a DEM subfile into the IMG container and check how it works?

**Abedul** · 6th January 2014, 08:05 PM

I have tested but I did not get it works.
I produced a DEM file with MPC from a shp and bil files (obtained with GlobalMapper from srtm file) and then I made a Join with GmapTool although apparently the Join does work because I could chek resulting img has a DEM subfile, but when I did the Mapsource Project final img did not have DEM subfile (??).
I will try again with other map and more levels. It will follow.

Kind regards

**Giomen** · 7th January 2014, 04:27 AM

Originally Posted by Abedul

but when I did the Mapsource Project final img did not have DEM subfile (??).

If you mean Mapsource it is no support for DEM subfile because only single img files is supported! As I say I do separated single img files and when choose required for interesting area at the moment. It concerns only my old vector img files and new Alex greatest creations that I combine into mapset with my favourite FID. If I have any other MPC with another prescripted FID I choose this files from another FID mapset in Mapsource when upload to device. For example: my old vector plus new Alex raster plus DEM from another russian creator Liesha works with sharm on GPSMAP 620.

**joshlac** · 5th January 2014, 06:33 PM

Hi All,

please, could someone post a quick tutorial how to make .img map with 3 levels (800m, 300m and 200m) from .jnx file that has only one level?

**Giomen** · 5th January 2014, 10:23 PM

The simplest way is creation individual IMG for each level and then combine it with same FID using MapSource or Gmaptool...

AlexWhiter · 13th January 2014, 01:51 PM

The converter is updated.
More user-friendly error output is added.
Also, in Windows 7 and newer the script could not be correctly started from either Run dialog, or from command line, when the current folder was different from the converter's one.

**seppen** · 24th January 2014, 02:44 PM

To show the img right on the Monterra, I have set with "IMGTOOL" the "Priority" = 25 and "Transparency" = yes.

**joecuba** · 8th February 2014, 01:14 AM

Maybe I am doing something wrong, but my IMG only shows at zoom levels of 800m and 500m on my eTrex 30. This is a 1:25k map, so I want it to show at closer zoom levels (300, 200, 120 etc). Converted from a JNX made with Global Mapper 15.

**zagatotz3** · 8th February 2014, 09:30 PM

Originally Posted by joecuba

Maybe I am doing something wrong, but my IMG only shows at zoom levels of 800m and 500m on my eTrex 30. This is a 1:25k map, so I want it to show at closer zoom levels (300, 200, 120 etc). Converted from a JNX made with Global Mapper 15.

After converted JNX made with Global Mapper use JNXCustomizer to set zoom levels

**Giomen** · 9th February 2014, 02:38 AM

Originally Posted by joecuba

Maybe I am doing something wrong, but my IMG only shows at zoom levels of 800m and 500m on my eTrex 30. This is a 1:25k map, so I want it to show at closer zoom levels (300, 200, 120 etc). Converted from a JNX made with Global Mapper 15.

For device with JNX support the pure JNX format is more convenient. But some device especially for marine mode do not support JNX at first and do not show properly modern vector topo map with content prescribed in TYP section. For such devices this program is only salvage.
But you can make separate map for each level on that you want to see raster and then combine it with gmapTool or MapSource. Also experiments with TRE parameters is welcome too...

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