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Locus Map - help desk Topic Question Locus Map (Android)

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Category Locus Map (Android)

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possibility of custom icons for poi db

Skully Fox shared this question ago

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Hi.

We made our national poi-db according to the format of Lomap-poi-db.

It includes 3 million POIs and work well.

But it can't show our custom icons when we use "Point of Interest(Beta)" feature.

If you include our custom poi icons to Locusmap app, (location of \assets\svg_db_poi\)

then we can use custom icons, by editing FoldersSub table.

If you agree with my suggestion, I will attatch our custom icons.

Thank you for your cooperation.

Picture below shows our custom icons

c69c9c081af53b9b0976f2b5e5f7a155

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Replies (1)

Petr Voldan ●

Hi,

honestly, I'd suggest generating your own map > create a custom theme and custom POI DB. This is the best option because it's independent on Locus assets. Please display any LoMap (with official POI DB) and click on ...let's say a restaurant. Locus display details o this point (that are loaded from LoMaps POI DB and the icon is defined by the theme. (Locus basically 'merge' the POIs from the map with DB POI on the fly). It requires that you use the same Key-Value pairs for POIs in the map and POIs in the DB.

So what you need:

convert your POI dataset into OSM format
merge source OSM data with your converted dataset
generate custom using mapsforge map-writer plugin https://github.com/mapsforge/mapsforge/blob/master/docs/Getting-Started-Map-Writer.md
mapsforge mapwriter has config mapping XML that defines OSM key-value pairs that are used for generation. You need to edit this file and to add Key-Value pairs of your POIs https://github.com/mapsforge/mapsforge/blob/master/mapsforge-map-writer/src/main/config/tag-mapping.xml
create a custom theme and define icons/style for your points
generate your own POI DB

Please see the article https://docs.locusmap.eu/doku.php?id=manual:advanced:map_tools:conversion#convert_shp_to_mapsforge_format that describes how to convert the SHP file into Mapsforge map. The article is quite old, it doesn't describe exactly your situation but I think that the conversion itself is well described.

Thank you

Petr

Please feel free

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Skully Fox ●

Hi, Petr.

You said, "LoMaps POI DB and the icon is defined by the theme."

But It sounds strangely to me.

I think Lomaps Poi db icons came from inside of Locusmap '/assetes/icons_db_poi/'

Is that right? what you mean 'theme and icons' that define Lomaps poi db ?

I think external mapsforge theme just related with mapsforge map, not Lomap poi db icons.

Could you explain more precisely?

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Petr Voldan ●

Hi,you have two ways how to display the POIs :

Menu - More - LoPoints - select category - display POIs on the map. In this case, POIs have a custom icon that is really defined in the asset
But you can simply browse the map and when you click on any map icon, Locus displays additional info that's loaded from POI Database

/c436756261bb058f4ee2128f2fe999dc

All these icons are clickable, data are loaded from POI DB, but the icon for POI is defined by the theme. I hope you can understand me :)

Regards, Petr

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