Re: [OSM-dev] Pre-rendered OpenStreetMap Carto tiles

2019-02-21 Thread Paul Norman via dev

On 2019-02-21 6:06 p.m., Anish Mangal wrote:


Is your new tileset raster or vector? I intend to go about making a 
base OSM tileset in vector, + high zoom regional vector tilesets. Also 
intend to render srtm data as contour+hillshade. I was looking at 
openmaptiles for the same.


I do not find vector tiles and client-side rendering suitable for 
archival purposes. I am confident that in 5-10 years there will be 
software that can display xyz tiles on current computers, and in 30-50 
years PNG tiles will still be readable. I do not expect the same to be 
true for any of the client-side rendering libraries working with an old 
style.


I thought I'd reply to this email if there is a common goal here, or 
whether you have any thoughts on the plans outlined above. The current 
OSM vector tiles (low zoom) made available on the Internet-in-a-Box 
may be seen here - http://iiab.me/modules/en-worldmap-10/map.html



The script I have at https://github.com/pnorman/lz-prerender might be 
useful for you. I'm considering making pg_dump files available, which 
could be useful if you're using something that takes the standard 
osm-carto schema.



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Re: [OSM-dev] Pre-rendered OpenStreetMap Carto tiles

2019-02-21 Thread Anish Mangal
Hi,

I am one of the volunteers of the Internet-in-a-Box project (http://iiab.io).
I remember discussing with you about two years ago on IRC on how to render
tiles for offline usage and your guidance was very helpful. Since then, I
went on rendering OSM-Bright tiles for various zoom levels also
incorporating srtm data as contours+hillshade. At the time, those were
raster tiles.

Is your new tileset raster or vector? I intend to go about making a base
OSM tileset in vector, + high zoom regional vector tilesets. Also intend to
render srtm data as contour+hillshade. I was looking at openmaptiles for
the same.

I thought I'd reply to this email if there is a common goal here, or
whether you have any thoughts on the plans outlined above. The current OSM
vector tiles (low zoom) made available on the Internet-in-a-Box may be seen
here - http://iiab.me/modules/en-worldmap-10/map.html

Looking forward to your reply.

-Anish

On Mon, Jan 7, 2019 at 3:09 AM Paul Norman  wrote:

> Many people have asked about downloading low-zoom tiles of OpenStreetMap
> Carto. I’ve completed my project to script automatic downloading,
> importing, and pre-rendering of an OpenStreetMap Carto database to make
> it available for others, and have put the results on one of my servers
> at http://legolas.paulnorman.ca/prerender/
>
> The tar files contain zoom 0 to zoom 6, 8, 9 or 10, depending on the
> file name.
>
> These are most useful for someone who wants to render the world but
> doesn’t need high zooms and doesn’t want to set up a database server.
> Because the tiles are just tiles in a directory structure there’s no
> need for anything except a web server to serve them.
>
> Are these useful for you? Let me know, and I’ll provide them on an
> ongoing basis. These particular files contain OSM data from December
> 17th rendered with OpenStreetMap Carto v4.18.0
>
>
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Re: [OSM-dev] Pre-rendered OpenStreetMap Carto tiles

2019-02-21 Thread Paul Norman via dev

On 2019-01-06 1:21 p.m., Paul Norman wrote:
Many people have asked about downloading low-zoom tiles of 
OpenStreetMap Carto. I’ve completed my project to script automatic 
downloading, importing, and pre-rendering of an OpenStreetMap Carto 
database to make it available for others, and have put the results on 
one of my servers at http://legolas.paulnorman.ca/prerender/



I've moved them to https://pnorman.dev.openstreetmap.org/lz-prerender/.

I want to add some more files to the tarballs documenting how they're 
generated, their contents, how to use them, and other material useful if 
archiving them for a large number of years. I doubt I'll do this soon.



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[OSM-dev] Pre-rendered OpenStreetMap Carto tiles

2019-01-06 Thread Paul Norman
Many people have asked about downloading low-zoom tiles of OpenStreetMap 
Carto. I’ve completed my project to script automatic downloading, 
importing, and pre-rendering of an OpenStreetMap Carto database to make 
it available for others, and have put the results on one of my servers 
at http://legolas.paulnorman.ca/prerender/


The tar files contain zoom 0 to zoom 6, 8, 9 or 10, depending on the 
file name.


These are most useful for someone who wants to render the world but 
doesn’t need high zooms and doesn’t want to set up a database server. 
Because the tiles are just tiles in a directory structure there’s no 
need for anything except a web server to serve them.


Are these useful for you? Let me know, and I’ll provide them on an 
ongoing basis. These particular files contain OSM data from December 
17th rendered with OpenStreetMap Carto v4.18.0



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