CartoCSS is a CSS-like language used in TileMill and Mapbox Studio Classic to style features.

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CartoCSS: alpha blending with comp-op

Using CartoCSS/Tilemill, I have one layer for the land polygons and one for urban areas, as follows: #zoomed-polygons[zoom>7] { polygon-fill: white; } #urban[zoom>=4] { polygon-fill: ...
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How to use longitude and latitude coordinates to make a mobile network coverage map using mapbox [duplicate]

I am new to mapping and currently I am trying to make a map showing coverage of a network provider here in my country. The map I am trying to achieve should look similar to that at ...
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1answer
372 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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1answer
29 views

Adding a border on hover to a CartoDB map

I have created a map of pedestrian collisions in Toronto in CartoDB. I would like the border of each neighbourhood to be outlined in a dark colour on hover. Is it possible to modify the CSS to achieve ...
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1answer
215 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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30 views

Cartodb: Linking social data to road color scheme

I am recreating this "smelly maps" project on cartodb. I'd like to create symbology on roads (IE: color roads red,blue,green,yellow) based on the information I am receiving on social media. View ...
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1answer
19 views

TileMill : set minzoom to layers?

i found in this post: CartoCSS layer visibility a solution to set a layer not visible for some zoom levels. But in https://github.com/gravitystorm/openstreetmap-carto it seems that a minzoom ...
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1answer
15 views

CartoDB – How can I place labels from one layer on top of an overlapping layer?

I have two overlapping polygon layers and I'd like to display the labels from the bottom layer on top of both layers so they're easily visible. Is there a way to do this with CartoCSS? Some sort of ...
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1answer
30 views

Tilemill/openstreetmap-carto, how to remove unwanted road lines

I am using Tilemill and the openstreetmap-carto style. The latest versions of each. I was curious to why these Center-lines are showing up in my highways and roads, and I am unable to get rid of them. ...
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1answer
36 views

CSS Styling Torque in CartoDB

I am trying to make a map that would show the total load of a bus. I have plotted the route and set up the time constraints. The ellipse is moving and seems to work fine, but when I try to style the ...
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2answers
208 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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9 views

Thousands separator for numeric value labels with CartoCSS

Is there any way to style labels with a thousands separator in CartoCSS without re-creating the column as a string?
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667 views

Converting from SLD to Carto CSS?

I have a bunch of layers and corresponding SLD's running a WMS service. I was exploring the possibility of shifting to a TileMill's tile based TMS service. For this, I would like if it were possible ...
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59 views

Cartodb map style changes when clearing view

I'm losing the custom settings of my map when I perform simple filtering analysis and "Create Dataset from Query". Here's what I'm doing: I've created a map where I've specified my color scheme, ...
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2answers
279 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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58 views

Marker line in CartoCSS

I'm trying to symbolize a line layer in CartoDB using CartoCSS. I need my line to be a series of diagonal lines, something like this -> ///////////// In QGIS I would do this as a marker line with a ...
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3answers
103 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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1answer
108 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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2answers
54 views

Mapbox Natural earth map disappears on zooms 0 & 1

As the title says, I'm currently using mapbox to create a little atlas app the issue is whenever I zoom out to anything lower than zoom level 2, the map dissappears with the map background being the ...
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10 views

Raster layer underneath others

I have a TileMill project going. It's my first one ever. I have a raster layer in my map which I got from here. Unfortunately, it covers/hides all my labels. Is it possible to order layers? So that ...
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21 views

Mapbox Cartocss: Associating field values to building-fill fails to apply

I have uploaded a shapefile with buildings with a field names [height] and [color], values stored are for height 1 to 4 and for color 1 to 10. I want to color based on that colors, code starts ...
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1answer
151 views

How to render tm2 projects

What are the options for rendering tm2 projects? As far as I know the open source Mapbox tm2 projects have proprietary data sources (like OSM Bright 2), thus they are of little use, but some other ...
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1answer
127 views

osm2pgsql vs imposm rendering performance

Is there any difference in rendering performance between using a osm2pgsql vs imposm imported PostGIS DB in Mapnik? Or asking it differently, is there any downside of using imposm if I only want to ...
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30 views

Tilemill styling with openstreetmap data - labeling boundaries

I have UK county boundaries (boundary=ceremonial) and want to give them labels that periodically run along the boundaries on the inside of the county. Just like polygon shapes do - eg, you can give a ...
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15 views

How to allow-text-overlap for one layer in Tilemill

I have a map that displays Countour-Lines including height labels. Those labels should be treaded as "background". So f.e. a village label should appear on top of on of those labels. If I set the flag ...
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How to align text in the middle of an object with CartoCSS

How do I show up a text only once and center it in the middle of the object (in this case building) using CartoCSS? Here in the image you can see that the text "Terminal 1" shows up multiple times.
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58 views

CartoDB toggle buttons not working with my data?

We are taking CartoDB data for this Canadian election map -- http://cdb.io/1TabLyz -- to create a version that adds toggle buttons to filter by political party. However, the buttons only work ...
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1answer
846 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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1answer
77 views

How to alter labels in Mapbox Streets in Mapbox Studio

I am creating vector tiles in Mapbox Studio v5 based off of the MapBox Streets layer. I want to alter the labels that appear over buildings, parks, schools, churches etc. but I cannot find the code ...
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132 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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188 views

What is the future of CartoCSS (i.e. does it have one)? [closed]

MapBox recently announced that they would be moving away from CartoCSS towards a completely visual interface. Apparently the new style sheets that underlay that UI will be JSON based, so despite the ...
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1answer
71 views

CartoCSS: building polygon by tag

I'm using MapBox Studio to create a personalized map for slums. In OSM we have many polygons representing buildings and I need to style them according to their "building" tag. For example, the ...
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22 views

Tilemill: Render a raster only where a shape layer is underneath

I'd like to mask a raster to only those areas, where there is a shape layer underneath. To be more precise: I have a land layer and a hillshading on top and I only want my hillshading to appear on top ...
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1answer
145 views

CartoDB Torque: show severity by size of marker?

I have a dataset containing the cost of damage caused by individual floods over the past 100 years. I'd like to use TORQUE to display these events on a map over time, with their severity shown by the ...
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1answer
193 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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61 views

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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69 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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150 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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1answer
62 views

Distance between waterway labels in CartoCSS

How can I manage distance between waterway labels (names of rivers) in cartoCSS?
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124 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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1answer
114 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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2answers
226 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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1answer
894 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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3answers
10k views

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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1answer
87 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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179 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
195 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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1answer
145 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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41 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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51 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 ...