Offline Tile Server recommendation

[jon.o...@gmail.com]

Anyone have a tile server recommendation that can supply the blue marble data to a Cesium map that has no connectivity to the internet?

Thanks in advance!
-J

[Kevin Ring]

Hi,

One easy way to do it is to grab the Blue Marble source data, tile it up with MapTiler (http://www.maptiler.org/) and then access the pile of static files MapTiler created using Cesium's TileMapServiceImageryProvider.  At that point you can use any standard web server to serve the imagery.

Kevin

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[David Taylor]

Is it possible to do something like that with the planet.pbf data from http://wiki.openstreetmap.org/wiki/Planet.osm ?

[David Taylor]

I've managed to use Maperitive to generate Tiles from .pbf but when I try to load that as the new source it says

tilemapresource.xml 404 (Not Found)

how can I generate an xml for my tiles? or what is the structure so I can create it myself?

[David Taylor]

Maperative generates a JSON file instead of an xml and this is its structure

{

    "tilejson":"1.0.0", 

    "name":"My Map", 

    "description":"Made with Maperitive", 

    "attribution":"Map data © OpenStreetMap contributors", 

    "tiles":

    [

        "tiles/{z}/{x}/{y}.png"

    ], 

    "minzoom":11, 

    "maxzoom":15, 

    "bounds":

    [

        4.5689989657938037, 

        51.201442305146031, 

        4.9943794818540823, 

        51.307795143935138

    ], 

    "center":

    [

        4.7816892238239426, 

        51.254618724540585, 

        11

    ]

}

[Kevin Ring]

Hi David,

It would be very straightforward to write a Cesium ImageryProvider to work with this tileset, but I don't think any of the out-of-the-box ones will work.  Take a look at TileMapServiceImageryProvider.js and see if you can adapt it.  The hardest part will probably be figuring out what to call the new ImageryProvider type. :)  Let me know if you have any questions, and we'd welcome a pull request if you're able to implement it cleanly.

Thanks,

Kevin

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[David]

Ok I'll look into that, for now I've found that Maperative can create Mbtiles for OSM and Qgis can create a GeoJson from mbtiles if anyone is interested.

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[David Taylor]

Quick Update: Simple Solution to Offline Map

OSM data: http://wiki.openstreetmap.org/wiki/Planet.osm (Download a region or planet, be sure to get '.pbf' compressed format)

OSM Convert: http://wiki.openstreetmap.org/wiki/Osmconvert

Maperative: http://maperitive.net/

Infostreams mbtiles-php: https://github.com/infostreams/mbtiles-php

apache: http://httpd.apache.org/

ex: 

1) Download osm data (if needed clip out a region)

osmconvert world.pbf -b=-75.80,45.19,-75.7,45.23 >region.pbf

2) in Maperative open region.osm as map datasource (close all other datasources) and in maperative command line run command (the higher the max zoom and the larger your osm region the longer it will take)

generate-mbtiles minzoom=5 maxzoom=16

rename it to what you like (ex: OpenStreetMap.mbtiles)

3) Download and extract  nfostreams mbtiles-php source, then copy the example/server folder from the source to your htdocs or webfolder
4) copy the generated mbtiles file from maperative/tiles and put it in the server folder
5) then set your new server as the provider (url will be url:http://localhost/serverfolder/filenamewithoutextension)

ex:

var viewer = new Cesium.Viewer('cesiumContainer', {

    imageryProvider : new Cesium.OpenStreetMapImageryProvider({

        url : 'http://localhost/server/OpenStreetMap'

    }),

    baseLayerPicker : false

});

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[Patrick Cozzi]

David - thanks for the walk-through.  Do you have blog?  This would be a great post as a mini-tutorial.

Patrick

[David]

I don't, I have a makeshift mediawiki that isn't guaranteed to always be online.

http://longlostbro.com/mediawiki/index.php/OpenStreetMapTileServer

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[David]

You are more than welcome to host a tutorial with the provided information.

[Patrick Cozzi]

Thanks David.  I'll make a note of it.

Patrick

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[David Taylor]

I was also able to get it to work without the php requirement, using only node js by replacing the mbtiles-php with https://github.com/mapbox/tilestream

that requires a rectangle when adding the provider, otherwise the map won't show up.

new Cesium.ImageryLayer(new Cesium.OpenStreetMapImageryProvider({

        url: 'http://localhost:8888/v2/OpenStreetMap/',

        rectangle: new Cesium.Rectangle.fromDegrees(-112.69, 39.89, -110.85, 41.22),

        minimumLevel: 0,

        maximumLevel: 15

    })

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