Does anyone know how to create additional databases at the Garmin Extras level on a Garmin 770 rather than Garming Extras->Custom POIs? It must be some flag or something in the GPI file that tells it whether or not it should be a top level list or inside Custom POIs, but at least GPSBabel had no such options for me while creating my GPIs.
I'm pretty sure the standard POI Loader takes all my csv & gpx files, makes each file a category, and merges them into one big \Garmin\Poi\poi.gpi on the device.
However, under Garmin Extras in addition to "Custom POIs" I have a Mad Maps Historic Route 66 database, complete with its own category set, etc. I find \Garmin\Poi\rte66_samp.gpi on the device.
This led me to believe that GPI files were complete POI databases that are displayed at the Garmin Extras level, and the POI Loader tool creates a single GPI file from your POIs called Custom POIs.
Well after finding a free GPI file (E85_Gas_Stations.gpi) file as well as using GPSBabel to create my own GPI, I learned that if you copy your own GPI files into \Garmin\Poi\, the Garmin still displays them as categories inside Custom POIs. So I'm out of ideas now
Any GPI file Is a Custom-POI file and therefore they display under Extras/Custom-POIs. Why does that present a problem?
Does anyone know how to create additional databases at the Garmin Extras level on a Garmin 770 rather than Garmin Extras->Custom POIs?
Garmin's GPI Creator, which is part of the Content Toolkit, can do this.
It's not cheap though.
It must be some flag or something in the GPI file that tells it whether or not it should be a top level list or inside Custom POIs, but at least GPSBabel had no such options for me while creating my GPIs.
I know someone who embarked on reverse-engineering the additional features. He succeeded in creating Travel Guides (and the types of files you are referring to). The exercise was abandoned AFAIK, when POI Loader V2.5.2 was released. (Prior versions of POI Loader produced .GPI files that had to have device-specific modifications made, in order to display properly.)
I've gotten to the place that my Custom POI set is annoyingly large, having to scroll through a long list of categories to get to what I want.
If the Garmin already has support for an extra layer in the hierarchy, I'd like to try and use it, but not if I have to buy the $500 dev tools.
Have you tried to organize your POI files in separate folders inside the main "preparation" folder where you have them now? For example you could have a --RESTAURANTS folder in which you put all the restaurant related POI files. Another one could be --SHOPPING, etc. There is probably a limit to the number of folders there but I haven't reached it yet.
Then when you use the POI Loader to transfer the data to your GPSR, they will end up in separate categories under Custom POI, creating the extra layer you're looking for.
See Motorcycle Mama's method explained in detail in http://www.poi-factory.com/node/8674
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