Tilemill is a open-source map design program (multi-platform) using the mapnik rendering engine. Maps are styled in Carto (a css-like language) using a variety of data sources (postgis databases, shapefiles, geojson, spreadsheets), and can be exported in mbtiles, Vectors and Raster graphics.

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1answer
412 views

How do I know when to use a map server or a tile server?

I'm new in GIS tech and I still have some questions about GIS. I wanted to know why to choose a map server (mapserver, geomap) instead of a tile server (tilestream, tilecache or tilestache) + tile ...
3
votes
2answers
298 views

small difference in projection between tilemill and postgis

I would like to create a world map with interaction on continents created directly from a postgis database. For the moment, I have a POSTgis database with the data. I created a background with ...
1
vote
1answer
146 views

TileMill shows black lines around raster layers

I've taken a large number of raster images and added them to TileMill. Everything has worked great. The problem that I am seeing is that TileMill adds a small black line around each layer. I know that ...
4
votes
1answer
717 views

Quantum GIS Affine

I have a vector floorplan (DXF) that I've added to a blank project in QGIS using the Dxf2Shp plugin. I've been reading tutorials and StackExchange threads, but I can't seem to find out how to ...
9
votes
2answers
289 views

Options for a historic Web Map?

EDIT: I'm an intern at a small local history museum. We have a budget of $0. Project overview: I've got a bunch of old paper maps. When I say old, I mean 1800s and up. They've been scanned into ...
3
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1answer
2k views

XYZ Layer in Open Layers has Missing Tiles

In Open Layers I'm having a missing tile problem where it generates a missing link icon and a pink background. I found several threads including this one saying to add this code ...
2
votes
1answer
674 views

Show transparency after adding transparent MapBox layer to Open Layers (Openlayers)

I'm new to tile set maps. I am trying to add MapBox layers that I made in TileMill (and have sitting in my MapBox Hosting account) into Open Layers. I have successfully added a non-transparent layer. ...
5
votes
1answer
352 views

How to get started with map overlays and tiles

I have put quite some time into doing my own research and know in theory what i want to do and some of the steps involved in doing it but I wanted to put this question out to ensure i'm not going in ...
2
votes
0answers
882 views

Overlaying a mbtiles tile layer produced with tilemill over another layer maintaining transperency

So using leaflet, I'm overlaying my base tile layer as google satellite imagery. I want to overlay another layer (Mbtiles layer) produced with tilemill over this satellite layer. I was successful in ...
6
votes
1answer
2k views

What's the difference in using OpenLayers and Mapbox?

Hey guys I found this tilemill to develop WebGIS application using MapBox. I wanted to know how is it better than OpenLayers and if I have to develop which would be a better options to go for, as I ...
5
votes
2answers
307 views

How can I setup a simple web mapping system?

I'm new to mapping and GIS and I'd like to setup a mapping system to display informations on a map, I think the following could work but I'm not sure how good it is.. 1- I store my data (lat, lng ...
0
votes
1answer
420 views

Empty preview map Tilestache Mbtiles

So, I generated a map on tilemill and exported the mbtiles file. I've setup Tilestache, and all required dependencies. I tried the OSM preview provided by default which worked fine. When I tried to ...
2
votes
1answer
516 views

Offline satellite map of a specific area for an iOS app

I have a client that wants an offline satellite map as part of an iOS application. The map is of a specific area and needs to be able to be loaded without a connection. From my research I'm pretty ...
3
votes
1answer
246 views

How to keep web map from displaying content from 2 zoom levels at the same time?

So I'm making a web app with a map that combines several layers (and dynamically toggles them off & on). I've made these layers in TileMill, exported them to .mbtiles files, and I'm serving them ...
4
votes
2answers
997 views

How to style a GeoTIFF in Tilemill?

I'm trying to create a "heatmap" style visualization from a number of geopoints and values associated with them. I have been following along with this blog post. I've got a CSV file of points like ...
3
votes
1answer
370 views

making choropleth maps using PostGIS Windows

i read an article on chicago tribune blog about making maps, it consist on "making choropleth maps using PostGIS, TileMill, Mapnik and Google Maps" on Mac environnement, my question is how we can ...
2
votes
1answer
935 views

How to render GeoJSON tiles from Tilestream for polymaps?

Have been using polymaps successfully till now. Need to generate GeoJSON tiles for Canada Provinces. Found Tilestream and got it working with Tilemill. Is there a way I can make Tilestream hand ...
2
votes
1answer
2k views

How do I make text show up on top of Markers using Carto in TileMill

I'm attempting to place intersection markers on a trail map. Each intersection has a number. I can't seem to get the text show up above the marker. If I use the opacity, I can see the text is ...
1
vote
1answer
499 views

Live updating in tilemill/tilestream

This seems like a simple question, but I'm having trouble finding out the answer. I'm building a map in tilemill and using data from a geojson file. I plan on hosting it later using tilestream. Once I ...
3
votes
2answers
492 views

Tilemill (Carto) code for styling multiple features from a single layer

How can I more efficiently write this piece of code which aims to style two features in my streets layer (major roads and major road ramps) the exact same way. #tor_centreline [FCODE=201200] { ...
4
votes
1answer
2k views

Map from Mapbox as layer in OpenLayers

I want to use this map from mapbox as base layer in OpenLayers: http://mapbox.com/#/tileset/iraq I used this example to make it work. Everything is fine when I keep the code as it is with original ...
11
votes
3answers
3k views

Stack - Mapnik, TileMill, OpenLayers, GeoExt

Would this work as a stack for serving webmaps with the basic GIS viewer functionality (pan, zoom, layer switching, info popups)? Apache Web Server Mapnik to serve the geo-data (TileMill to Style ...