CartoCSS is a CSS-like language used in TileMill to style features.

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CartoCSS: raster custom transparency color value?

In QGIS (and probably other GIS tools) you can style a raster layer such that certain pixel color value(s) will be rendered as transparent. In QGIS 2.6, this can be set in Layer Properties -> ...
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26 views

What OSM information to use for low zoom levels to get a style similar to MapQuest

I am building an outdoor map of Europe. Everything looks pretty nice when zoomed in. But when I am zoomed out, my map looks pretty boring. Most parts are white. In low zoom levels I display polygons ...
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63 views

External font in CartoCSS

I want to use a non CartoDB-installed typeface (one from typography.com) for the place labels (closer than 14z) on the map at http://outgoingnyc.com. So far if I try to do it in the css, it fails ...
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23 views

Distance between waterway labels in CartoCSS

How can I manage distance between waterway labels (names of rivers) in cartoCSS?
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69 views

Custom icons for Torque Categories in CartoDB

We’re developing a project with CartoDB and we want to show the elements clustering by zone and showing the most used one (Mode). We're doing this with Torque Categories, and it works! :) The ...
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2answers
184 views

How to style ways with CartoCSS depending on a relation property (OSM)

I'm using CartoCSS together with an OSM Postgres DB (hstore on). I want to set the line color depending on the operator tag of relations (routes). How can I do that? Update Thanks to Paul Norman for ...
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154 views

label placment in multipolygon with cartocss (Denmark, Greenland)

I am rendering an interactive world map with Tilemill and I have the problem that the country name for Denmark is placed onto Greenland. This is because Denmark is represented as a multipolygon with ...
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290 views

How do I make my Cartodb info windows wider?

According to my read of andrewxhill (more readable version) I should be able to change the info window size by adding CSS, like so: <div class="cartodb-popup header with-image" ...
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75 views

Rule -torque-frame-count not allowed for Map

I'm simply trying to recreate a map I've already made successfully but with an updated table. I added the table to CartoDB, selected "Map View," and then selected "Torque Cat." Aside from doing those ...
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134 views

How to use external CartoCSS/mss within JavaScript?

I am using CartoCSS to style features in a run-time CartoDB layer (as opposed to a pre-made visualization) but it gets messy doing this within JavaScript: sublayers: [{ cartocss: '#initvisitedfws ...
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609 views

How to use OSM Bright with Mapnik Renderd

I have set up an OSM tile server using instructions at this blog - http://seshagiriprabhu.wordpress.com/2013/07/21/building-an-openstreetmap-tile-server-on-ubuntu-12-04-lts/ The slippymap renders ...
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Is there a Carto CSS Gallery which also contains code?

I am currently exploring the usage of CartoCSS and TileMill in one of our projects. I have seen the impressive gallery available at http://www.mapbox.com/tilemill/gallery/ The gallery looks ...
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35 views

Torque map: dates by year; year in slider text

I would like to put the year in the slider text and for the data to be scrolled through via year. Apparently it was working until three weeks ago, and now doesn't. In particular the slider now ...
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76 views

Large road labels and roads on high zoom level

I am making small maps to print on small paper cards with the street people live in and the surroundings. The paper card has the dimensions of a printed photo, around 10x15cm. First, I made a ...
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2answers
144 views

How do I mask a raster in TileMill?

I've tried just about every single TileMill compositing operation on the vector and raster layers in question, and I have to admit that I can't figure it out: How the heck can I mask a raster with a ...
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102 views

Trying to Offset Overlapping Transit Lines/Routes - Is There a Way?

I am trying to create a bus route map in Los Angeles. I realize that it is shooting for the moon (perhaps it is impossible to do well) since there are so many overlapping routes, but I think I've gone ...
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77 views

CartoDB: How to I cluster by features? Is it even possible?

I have a set of points for a number of buildings in NYC. I would like to group those points into clusters per their respective neighborhood (ex: Chelsea, Upper East Side etc.). Each of my points have ...
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27 views

How to restrict the number of symbols in feature name in CartoCSS?

I make a tourist map with CartoCSS in TileMill. There are several zooms and I would like to show markers of the objects on 15 zoom and their labels (names) on 16 or 17 zoom. If the number of symbols ...
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28 views

Is it possible to include '#' in CartoCSS string values (in CartoDB)?

I have a few tables in CartoDB that come from an external source. There is a name column that contains a few values with # in them. I would like to style particular features in the table, so I use ...
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37 views

CartoCSS: Filter by json field

In a MapBox Studio project of mine, I have field values that are stored as JSON values. My features all have attributes like: id 48545756 meta {} relations [] tags ...
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3answers
70 views

Is there a way to add a 'home extent' to a cartodb map?

Within the zoom bar, is there a way to include a home extent button that the user could click to zoom to the same extent as the initial extent of the map?
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69 views

In TileMill/CartoCSS how do show several markers for the same point?

I'm creating a custom map using TileMill to show local walks. I want to show Points Of Interest along the path. I've exported the points from Google Maps using KML and I want to show an icon on a ...
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240 views

Hover effects using CartoCSS: Is this possible?

I'm trying to make a simple map of parcels in TileMill. Right now when I hover over a parcel, the information for that parcel appears in a teaser. That's simple enough. However, when working with ...
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131 views

How are OSM tags mapped to fields in Mapbox Streets vector tiles?

I recently started experimenting with Mapbox Studio and have encountered some discrepancies between feature tags in OSM and the corresponding feature fields in the vector tiles from Mapbox Streets. ...
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21 views

Where can I find the SQL queries for use with OpenStreetMap-Carto?

I found the OpenStreetMap-carto stylesheets (.mssfiles) here. I also found an issue discussing a problem with a SQL query here. Does anyone know where I can find the SQL scripts to build the layers ...
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51 views

CartoCSS problem with zoom levels - polygons are turned off

Can someone help me where could be a problem with CartoCSS rule below? I'm not able to see "school" polygons at z11-13 though rule seems to be written correctly:>>> [zoom>=11][zoom<=15]. Polygons ...
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126 views

CartoDB adding custom legend to sublayer

Here's what I'm trying to do: I have a map with selectors that load data from the same table (using SQL) based on what you selected. This all works great (code below). What I want is for a legend to ...
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62 views

Dynamic rendering on a layer with a long SQL query

I have a question on dynamic rendering with the cartodb APIs. These APIs are new for me. Data is a big layer stored in cartoDB (about 30 000 polygons). In my application the default rendering of ...
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72 views

Bring marker on same layer to front in CartoDB

I'm using a category map showing markers based on the value of one column. They can be one of two values. One is for customer location and the other for store location. I'd like to have it so that ...
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36 views

CartoDB map won't render at all with cartodb.js or display markers with embed

I've tried to load a visualization I've made using cartodb.js and it simply doesn't appear at all. If I look in the network call response, there's this rather cryptic error: ...
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1answer
157 views

Marker icons overlapping street names in Tilemill

I'm new to CartoCSS and I'm trying to properly add subway markers on a map using Tilemill and OSM data. My problem is that some street names stay behind my marker icons : I have add ...
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2answers
51 views

How to chose which line goes on top of the other line

I am trying to do something very simple, but apparently impossible. Overlay two lines with different size and color signing same route different direction. Like this one: ...
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390 views

Including chart based on fields in CartoDB infowindow?

I would like to make graphs, pie charts, etc based on fields in my table within my infowindows. Is there a way to accomplish this?
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125 views

CartoCSS Expression for shield-name

Is there any way to use a regular expression to filter a string when using CartoCSS expressions? I have geojson of some ways and route relations I obtained using Overpass Turbo. When creating a new ...
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51 views

Flow direction CartoCSS

I'm working on a TileMill project essentially displaying freight routes. The original shapefile contains a origin city and a destination city (and a path between both cities). When I apply a ...
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192 views

Is there a way to customize the zoom button and legend in cartodb js?

I am following this tutorial, http://docs.cartodb.com/tutorials/toggle_map_view.html, and have been successful in developing an application with similar functionality, currently I am working on ...
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39 views

MapBox Studio - Reverse Character Strings

I am working on a project in MapBox studio where I had to flip all the labels 180° that were on lines. Since its not possible to use text-orientation for labels on lines, I flipped the font file 180 ...
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1answer
454 views

CartoDB - How would I customize my legend to not be white and have blocks instead of bullets?

First off, CartoDB is amazing. I am trying to modify the look of my legend to look something like the one as seen on the "Elephant Movement in a Human Landscape" example on the CartoDB website. ...
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59 views

CartoCSS: labels along inside of polygon boundary

I'm using CartoCSS to render maps that include large polygons (like national parks). At higher zoom levels I want labels along the inside of the polygon boundaries, like in OpenStreetMap: I ...
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1answer
74 views

How to filter a Cluster Map at run time

I think I am a bit confused with CartoDB when doing maps at runtime. Let's say I have a Cluster Map that includes all my data. However, I want to filter by a field. I thought one could simply set ...
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113 views

how do i change my map's styling in mapbox using mapbox.js?

i really searched for it high and low but couldn't find it!! I am using mapbox.js for this. i am working on the project which requires to change the styling of map, eg: area,land and water colors on ...
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1answer
41 views

Reduce building size in tilemill

I am designing a map of very densely populated area in Tilemill. I am using OSM building data. Due to having a lot of buildings it is very difficult to differentiate one building to another. Is there ...
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1answer
148 views

Add MapBox sourced hillshade to MapBox Studio project

I am working on a MapBox studio project that was originally the pre-styled 'OSM Bright 2'. I have since made lots of edits and would now like to add some subtle hillshading. I can see hillshading is ...
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1answer
85 views

How to place the label on the map once in TileMill?

I am trying to create a basemap in tilemill. Very new to this software. When I add the label styling for the roads, it adds the name several times. Is there a way to have it only place the label on ...
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37 views

Points of interest

I am using OSM Bright carto template for rendering my own OpenStreetMap data. When I imported data with osm2pgsql I specified sytle openstreetmap-carto. Points of interest (amenities) are in ...
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1answer
108 views

Pattern styled polygons in Tilemill

I'm just learning CartoCSS with Tilemill. I've got a really simple requirement for styling a polygon but cannot find any hint nowhere. What is the code for styling simple polygon fills e.g. can be ...
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5 views

TorqueCat Line 4 Error

I am getting errors when trying to use TorqueCat. I've attached pictures of what the errors say. Anyone else having this issue? Is CartoDB updating the site right now or something? I'm not sure what ...
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400 views

Cant get infoWindow to show in CartoDB dynamic layer

Heres my very simple code. <title>Leaflet multilayer example | CartoDB.js</title> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <meta ...
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2answers
179 views

Error while building OSMBright

Error while building OSMBright when i run the make.py the following error is coming Traceback (most recent call last): File "./make.py", line 123, in <module> build() File ...
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1answer
35 views

Min distance for markers in CartoCSS

I used shields in CartoCss to show the subway stations on my map. When I started to develop the map for mobile devices, I noticed that svg images in shields were destorted hugely and I decided to use ...