CartoDB is a cloud based mapping, analysis and visualization engine for mobile and web

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Layers Question

I'm currently mapping with a free account on CartoDB but I've run into a roadblock. I need to add multiple visualization layers onto my map but the free account limits me to merely four. Is there any ...
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9 views

CartoDB - “sql applied has errors” message - where can I see the error text?

I'm still getting my bearings with the interface it seems... When running a SQL query in CartoDB against a table... it seems like a get the correct result, but I also get a see a "sql applied has ...
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1answer
30 views

CartoDB basemaps -how to clear out?

In CartoDB, when I switch to Map View on any of my tables, I have the opportunity to change the basemap, including using "Yours". In my attempts to connect to our MassGIS XYZ basemaps, I've filled up ...
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1answer
16 views

Annotating a cartodb torque timeline-control

I'd like to know what options there are to customise a cartodb torque timeline control. I've seen awesome visualisations made with CartoDB/Torque for FIFA '14 matches by twitterdata ( for instance ...
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1answer
72 views

cartodb Feature Click with two overlapping layers

We are using Google MAP API V3 and CartoDB. I am trying to create the custom info box window as user clicked on CartoDB points marker. We have two layers on Google map first one for UK wide ward area ...
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1answer
35 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
36 views

How to combine multiple zipcode polygons into one polygon

In CartoDB, we have a table of chapters that make up a national organization. Each chapter record has a polygon that defines the geographical area that the chapter covers. The area a chapter covers ...
3
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1answer
29 views

Detecting “load” or “done” event after setting new CartoCSS using set() in cartodb.js

I'm loading a map data tilelayer onto a Leaflet map using cartodb. Upon user input, the map reconfigures its CartoCSS to display data differently. Example below. layer.on({ click: function(e){ ...
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1answer
18 views

CartoDB - How do I turn on a scale (in feet / imperial) in the Visualization?

I'm making a map for an architectural site analysis and need to have a scale for the Visualization. Is this a feature in CartoDB? Thanks!
2
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1answer
28 views

Error in Windshaft-cartodb installation step of CartoDb

I am trying to install cartodb on ubuntu 12.04. I have done all the steps mentioned on https://github.com/CartoDB/cartodb and I am stuck at the Install Windshaft-cartodb Step. The following steps ...
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1answer
22 views

SQL in CartoDB to select using OR more efficiently

I made this map a CartoDB map to to show the countries that have banned their citizens working as maids in the Gulf states, I also want to show the Gulf states as one colour. I created this SQL ...
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2answers
24 views

Can I include data from multiple rows in CartoDB infowindow?

I have a visualization in CartoDB of a set of data points in table pointlayer. I am using cartodb.js and have a nice map for browser consumption. When a user clicks on a point, I'd like to run a sql ...
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2answers
43 views

Is it possible to vary the sql query based on Zoom level?

I am trying to create a map where I have added a layer with place names. There are thousands of those in the database, and I am looking for a way to show only the most important ones on the lower zoom ...
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1answer
31 views

CartoDB JSONP callback in leaflet-search plugin

long time reader, first time question-asker etc... So I'm trying to implement a search function on an app I'm building using data from cartodb in leaflet and this leaflet-search plugin: ...
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1answer
29 views

How to georeference 1990 U.S. county names / FIPS for CartoDB?

I have a data table with columns of county and state names as well as FIPS codes for 1990 U.S. counties. I cannot easily merge shape data into the data (e.g. the Census ones), but CartoDB does not ...
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2answers
40 views

How to use cartodb.js without storing sql in javascript

Using cartodb.js, how can I change the layer definition without building the sql dynamically in javascript and passing it as a parameter. Aside from revealing my table structure (not a huge deal at ...
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24 views

client side vector data cache

I'm trying to design a web application where point clustering run server side using python script. Response from server side script is a Geojson data. The client script is Openlayers. Can open Layers ...
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1answer
32 views

Why do I get an error code 503 response when trying to access my CartoDB dashboard?

One pressing problem is that when I try to access my tables or visualizations on the CartoDB web app, I get this error page. My account is 'safedev' Something that may or may not be relevant, but ...
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1answer
45 views

Categories for Torque Cat in CartoDB

I have some traffic data that I want to display with the Torque Cat in CartoDB. The data that I have contains daily traffic numbers from 300 stations on the main around Iceland for 1 year. What I ...
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37 views

Clicking on data point returns “There has been an error…”

My CartoDB map has different data shown for hovering and clicking. It works fine when I'm logged in, but other folks can't see the clicking data. CartoDB thinks for a few seconds, then returns "There ...
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2answers
42 views

IE8 issue with Leaflet and CartoDB

Hi all having some trouble getting this map to work in IE8. Currently tried using some of the old IE8 CSS for both but that didn't seem to work. Any ideas for this? Here is the code for the main map: ...
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40 views

Using Odyssey.js with Cartodb.js

I'm looking to use Odyssey to create an interactive introduction to various data layers on an interactive web map I've created using CartoDB.js. I'd like to have different data layers turned on / off ...
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2answers
67 views

CartoDB Runtime Layers with Angular

Has anyone ever tried adding a CartoDB runtime layer to a leaflet using an Angular Directive or angular-leaflet-directive (Leaflet Javascript Library)? I tried this, which does not throw errors but ...
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2answers
14 views

I am unable to remove the legend from a CartoDB layer. I have passed legends: false in createLayer options but with no luck

cartodb.createLayer(map, BikeTrails) .on('done', function(layer) {legends:false layerBikeTrails = layer; L.control.layers(null, {'Dedicated Bike Lanes': ...
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14 views

How to plot a Start and Stop point while drawing a line in CartoDB?

My visualization plots a bunch of lines on a map using CartoDB using a Start coordinate and a Stop coordinate. My data contains geojson formatted coordinates (for each row) I want to show a "Start" ...
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23 views

How to run cartodb automatically on start up

How can I start cartodb and have it on always even after server boot or shell access is closed
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22 views

CartoDB Infowindow disabled

I'm new to CartoDB, and I'm building a table from Google Form responses as demo'd in this tutorial: http://blog.cartodb.com/make-maps-from-data-you-collect-in-google-forms/. It's all working perfectly ...
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1answer
34 views

CartoDB - Multipolygon not showing intersections

I'm having an issue with Multipolygons on CartoDB. I have a very simple scenario: A multi polygon row on a table that needs to be displayed on the map. Fact is that when more than two polygons ...
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2answers
24 views

CartoDB - Update column from local csv

So I uploaded a csv from my local drive and set up the map, but I would like to update a column of data every day and re-upload the csv, but keep map settings. The dataset is very simple: one column ...
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25 views

CartoDB named maps and events / infoWindows

I've created the named map, it's working well and I'm able to query it with setParameter() method and use some basic methods like setOpacity() and show/hide but I haven't succeeded to use any of the ...
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1answer
26 views

Mapping datapoints over several floors of a building

I'm new to web mapping and am planning and investigating ways on how to best plot and visualize user flow through a building across several floors. We are planning on tracking users location based ...
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1answer
32 views

Synced CSV File Google Drive - Not Filling out Georeference field for visual

I Have a JS account on Cartodb with the sync option for data. I have created code to upload CSV file to Google Drive of all login activity of our Google Accounts for the last day. If I select this ...
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2answers
26 views

send csv with polygon or line in gps data

I want to send a csv with a polygon or line to show it in cartoDB map but when I try to send data to the server I don´t know the exact way to send the info. for polygon some think like this. ...
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37 views

Dynamic content in infoWindow

I am trying to add some dynamic content to my infoWindow. The following code writes the string 'bar' to the element. However this works for the infoWindow of some points, but not for others (content ...
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17 views

cartodb/postgis : how to display a polygon with longitude outside the -180;180 range

I am trying to display the following geojson polygon: { "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": {}, "geometry": { "type": ...
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57 views

What is the best way to escape/encode special characters for a CartoDB insert GET request?

I have a simple web app that uses CartoDB.js. I have a data entry form and use jQuery to pull data from my inputs and textareas. I then form my SQL insert statement and insert it into my CartoDB ...
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17 views

Generating Layercube Format

If not using CartoDB to host your data, how can we modify the input parameters to point toward a layercube file,, and how to generate that file?
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5 views

Adding photos to CartoDB data points [duplicate]

Is there an easy way to display photos, along with the other info that can be displayed, when data points are clicked on in CartoDB?
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2answers
52 views

Can CartoDB read data that are hosted locally?

Can CartoDB read from tables/data hosted on a local machine and not necessarily uploaded to CartoDB's website?
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1answer
35 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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1answer
11 views

Disable Mobile Canvas

Is it possible to disable the mobile canvas in CartoDB when using the embedded maps? When I add extra text to a legend and define the the width of it, the legend isn't displayed correctly on the ...
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13 views

Bringing in UTM NAD17 data from excel into CartoDB

Any ideas how to make a map from an excel file that has UTM Zone 17 NAD27 x,y's? This is what I wrote in my SQL: SELECT * FROM storklocations2 UPDATE storklocations2 SET the_geom = ...
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1answer
17 views

Toggle map view won't work

I followed the Cartodb Toggle Map View tutorial and I inserted the corresponding elements from my own map into the code and it's not working for some reason, all I see is a blank page. I've posted my ...
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1answer
43 views

Create a named map and query it

This is the same question as here: Cartodb - SQL query of public visualization of a private table We have a private table and would like to use setSQL method to query the sublayer as we did with ...
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32 views

Legend not removed when layer changed

I made this webpage with JavaScript and CartoDB. The layer selector works like I expected it to but I noticed that the legend are stacking on top of each other and not being removed when the layer is ...
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1answer
65 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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1answer
37 views

Show Cartodb Maps infowindow on hover programatically

How do i get to show the cartodb infowindow when one hovers over a point? I see that it is possible via the gui but how can one do it via code? what method should i call on the on('featureOver') ...
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32 views

Difference between MapBox and CartoDB [duplicate]

What is the difference between MapBox and CartoDB ?
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Why does no data show up in the embedded CartoDB map? [closed]

It seems something went wrong with CartoDB. Recently I am trying to embed my visualization into my website. But only comes with a blank map. Then I noticed that the live example from the official ...
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29 views

How to convert street number, street and cross-street for georeferencing?

I am trying to use the nyc stop and frisk (data) from aclu in carto_db. I have columns for street number, name, cross-street and intersections, where not all are filled in (so no number for an ...