Converting JNX to raster IMG

**Allin** · 13th January 2020, 08:22 PM

Hi
Can you check with GMapTool if the MS of your card . img is "0" or "1"

Code:

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**Allin** · 17th January 2020, 02:06 PM

Here's the sad announcement:

Vale AlexWhiter ...

Code:

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**GalileCircus** · 4th May 2020, 09:00 AM

Originally Posted by AlexWhiter

Known limitations and issues of the current version:
1. All the JNX levels with the scales below 864 will be mapped into a lowest zoom level in IMG, it becomes visible from 5m to 200m....

would it not be possible to modify the allocation of scales and levels of an IMG file with a tool?
between the level 200m to 20m ?

in SASPlanet with a JNX export you can choose the zoom and the level, so I wanted to export to JNX and then convert it to IMG, but I have two problems:
- The export to JNX is split into several files: part1, part2... for a single export. JNX2IMG command does not support multiple part of files ?
- I got errors when converting JNX 2 IMG, about levels and scales

Code:

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Spoiler: image

the point here is that I assign a different custom raster map between each zoom
3 zooms = 3 custom maps

**Allin** · 4th May 2020, 05:15 PM

Hello

@GalileCircus

See your MP inbox

I sent you a PM

Allin

**benclimb** · 16th May 2020, 04:39 PM

Allin, maybe you can post here the solution. I am also interested in.
Thanx!

**hwdean** · 22nd January 2021, 03:10 AM

what the hec?

my test map file is in jnx2img directory. i copied MPC's bld_gmap32.exe to tools

d:\jnx2img>jnx2img.cmd test-1994.jnx test-1994.img
jnx2img, version 1.9
Copyright (C) 2013-2019 Alex Whiter

'Please' is not recognized as an internal or external command,
operable program or batch file.
Press any key to continue . . .

d:\jnx2img>

The only place i have seen the word "please" is when i ran command without copying bld_gmap32.exe asking me to please copy it

what am i missing?

**Allin** · 22nd January 2021, 09:57 PM

Hello,

1 In the Tools directory, do you have a bld_gmap32 directory and a gmt directory?

2. Have you copied TestLicence.mpl into the directory bld_gmap32

Allin

**hwdean** · 23rd January 2021, 01:04 AM

Damn, I missed that. Thanks!
I got the files copied over but still some errors

d:\jnx2img>jnx2img.cmd test-1994.jnx test-1994.img
jnx2img, version 1.9
Copyright (C) 2013-2019 Alex Whiter

Warning: Scale value 298 for level #0 is too low for IMG format. The level will be displayed from 5m to 200m in the device.
JNX level 0 (scale 298) -> 5m - 200m

Compiling map 03F1093F...

Creating IMG...
Error creating map. Please check Temp\03F1093F.log file. Exiting.
Press any key to continue . . .

d:\jnx2img>

there us no .log file in the temp dir but there are over 100 jpegs and an mtx file with same named prefix as .log file

I also received a popup error from bld_gmap32: FreeimagePlus.dll cannot be found

anyway, no img file was created...workjing on it

[edit]: I got it working by putting the entire contents of MPC's bld_gmap32 into jnx2img's

Thanks for your help

**Allin** · 23rd January 2021, 12:13 PM

Hello hwdean,

It was written on page 1

After you unpack the archive, there will be Tools folder with two subfolders.
Please copy the contents of MPC\Tools\bld_gmap32 folder into extracted Tools\bld_gmap32 folder, and also copy you MPC license file into the same folder with License.mpl name.
Next, copy gmt.exe file from GmapTool\gmt.
Make sure the script will have permissions to create and delete subfolders in the folder it is extracted to.
That's it for the initial setup.

When I first started, I made the same mistake and it was Alex who corrected me.

Allin

**Eyelet99** · 24th January 2021, 09:17 PM

I have converted some separate 1-25k and 1-50k topo maps of the same areas from JNX to IMG format using Alex's method.

In GMapTool, I changed the draw priority of the 1-25k maps to 31 and the 1-50k maps to 25 with the intention that on zooming-in the map would change from 1-25k to 1-50k at 200m. In my GPS device, each map is visible if selected individually, however if both the 1-50k and 1-25k maps are enabled at the same time, the 1-50k is the only map that displays on zooming-in.

Any ideas on how to resolve this?

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