2
votes
1answer
177 views

How to use tiles in this strange tiling scheme?

I'm looking at cell coverage maps such as this one, and trying to figure out how to get a GIS program to use it as a source of information. Ultimately, I need to be able to combine the output with ...
1
vote
0answers
82 views

How to optimize color ramp for terrain

I'm working on a project to highlight LiDAR terrain on the web and part of the idea is to show the detail of the data at large scales. I've already read through the excellent Mapbox guide and I've got ...
0
votes
0answers
35 views

Can I make tiles with all countries but one transparent?

I would like to have one country in a given style and all other countries in another grayed out one. But styles should be changeable in the production webmap, so I need them to be independent of each ...
2
votes
1answer
48 views

Is there demand for a service to publish web maps with lots of shapes? [closed]

Is anyone in the GIS community trying to publish choropleth web maps with a large (10s to 100s of thousands) number of polygons? and if so what's your current approach and what are the shortcomings of ...
2
votes
2answers
1k views

gdal2tiles.py generates wrong tiles / MapTiler the right ones

I'm trying to generate tiles with gdal2tiles.py and the resulting tiles are stored as 18/132639/164219. If I do the same thing with MapTiler (the GUI variant of gdal2tiles) the tile result is ...
1
vote
1answer
121 views

Create tiles given images and locations; convert markers to tiles

What I need I need to convert a list of markers to a tile layer I've been googleing without success how to do this. Anyone has faced this problem and has a nice easy solution? Why I need it I've ...
1
vote
2answers
1k views

how to use mapproxy to serve WMS from reprojected google maps tiles

how to use mapproxy to serve WMS from reprojected google maps tiles, i have searched for docs, but there's no docs which describe how to add google maps as source.
1
vote
2answers
472 views

Why is my shapefile not visible in Tilemill?

I have 3 layers of vectors (shapefiles) that I've loaded into Tilemill. However, nothing is visible in Tilemill. What am I doing wrong, and what should I do to get my map to show up? This is part ...
3
votes
1answer
420 views

Add a mbtiles file to TileMill

is it possible to add a mbtiles file as TileMill layer? Thank you, Andrea
9
votes
4answers
1k views

What kind of AWS configuration is needed for running a low-to-medium bandwidth Web map app?

Does anyone have experience with running Web maps (tile server + client JS scripting) on Amazon Web Services (S3, EC2 etc...)? What kind of AWS configuration is needed for running a low-to-medium ...
4
votes
2answers
265 views

Looking for stand alone map server

New to mapping tech. Requirements: Stand Alone Server for offline use (will be an internal app) - No Mobile. Ability to add custom CSS class and hover information to US counties Programmatically ...
14
votes
3answers
490 views

How are Google serving up their Styled Maps?

As we all know, Google changed web mapping when they introduced Google Maps. At the time of writing this, tiled maps are now the norm with web mapping. For example, with ArcGIS Server, you cache ...
5
votes
1answer
2k views

How to serve local maps for an offline HTML5 webmapping app?

How could one serve maps (tiles in wherever format possible) within a Android device to be consumed by an offline webmapping app also accessed within the device's browser?
19
votes
6answers
3k views

Creating a small web-mapping/map-tiling service

I am looking for a small-scale and easy way to present one or more polygon shapefiles online (on a municipal website without any existing map-server infrastructure, to be precise). Right now, I'm ...
5
votes
2answers
564 views

Disk space and numbers of tiles for world layer

I'm thinking about testing tiles generation of a world layer for webmapping. In this context, I want to know how I can calculate the number of tiles (256x256 for tilecache if I remember) I will need ...
4
votes
1answer
700 views

Advice on benchmarking my Tile Server (Apache2+mod_wsgi)

I'm wondering what advice people have for benchmarking a tile server? Specifically, I'm running a TMS using TileLite, and Vector Tiles using TileStache. Both are running under Ubuntu Server 10.10 / ...
12
votes
3answers
7k views

How to georeference a web mercator tile correctly using gdal?

As an example I will take the following tile http://a.tile.openstreetmap.org/3/4/2.png and save it as "4_2.png". The WGS84 coordinates of this tile can be calculated or read there by clicking the ...