Thread: BlueChart on Nuvi 3590

1. Please read: [Only registered and activated users can see links. ]

2. Please read: [Only registered and activated users can see links. ] "Write" Tab

3. Open gMapTool

4. Select Experimental Options

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5. Add the BlueChart.img

6. In gMapTool Split the BlueChart.img into SubFiles

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7. Move Transparent SubFiles (*.LBL *.RGN *.TRE) to Contours folder (Files marked T) (That's 3 SubFiles per *.MPC file below)

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8. In gMapTool Add SubFiles (*.LBL *.RGN *.TRE) (ALL Files NOT marked T) (That's 3 SubFiles per *.MPC file above)

9. In gMapTool Write
Mapset (a name of your choosing)
set Transparency
Set draw priority
TRE parameters for SubFiles

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10. In gMapTool Join the Subfiles (*.LBL *.RGN *.TRE) & (BLUCHART.MPS MARINAS.MDR MARINAS.SRT)

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You now have a BlueChart map that (when selected) will be drawn over all other maps. (Deselect for On Road maps)

The SubFiles in the Contours folder also need to be joined (I also included BLUCHART.MPS, MARINAS.MDR & MARINAS.SRT)

The BlueChart Contours map can be left selected all the time (these are transparent lines) (in Step 9. Select Transparent)