Questions tagged [carto-js]

CARTO.js is a JavaScript library that interacts with different CARTO APIs. It is part of the CARTO Engine ecosystem.

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Interactive filtering histogram widget with cartoJS

I would like an interactive filtering histogram widget like this one https://public.carto.com/builder/0c982e6d-b254-4e2b-86ed-e0f097f519c2/embed (the population density histogram widgets on right ...
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Is it possible to share CARTO datasets with password?

It's my understanding that only CARTO maps can be password-protected, not datasets. I'm currently using the datasets like so: const source = new carto.source.Dataset(dataset); const style = new carto....
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Access feature data for all features in a NamedMap

For any Cartodb NamedMap, we load it using this function: cartodb.createLayer(map, namedLayerSource, {https: true}) .addTo(map) .done(function (layer) { }); After that I need to ...
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CARTO.js changing the styling only on one segment of a line with multiple segments

I'm attempting to change the styling of a line segment when clicked on a layer that has 4 segments. Only one segment's style would be changed at a time. Each segment has it's own column within a CARTO ...
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Have Feature Click Events for Two Layers On, but only one is active at a time in CARTO.js 4

I am currently developing an application using CARTO.js 4, see here. We have a slider where layers for different years of data are loaded on both sides so you can compare them. We have a feature event ...
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.createLayer method in CARTO.js (v4)

Trying to recreate an application made in carto v3 in the new version of carto (v4); here is the one which was create using v3. Problem we are running into is that we can't seem to figure out how to ...
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How to setBounds on a CartoJS 4 boundingBox?

I have tried to find an example on how to setBounds on a carto.filter.BoundingBox with no success. There is examples of carto.filter.BoundingBoxLeaflet which takes map as parameter. const ...
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Apply a polygon filter to CartoJS 4 dataview

Checking this example on CartoJS 4 documentation https://carto.com/developers/carto-js/examples/#example-filter-data-using-drawing-tools, you can apply a circle filter to a source. The problem with ...
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3 answers
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Getting data manually from CARTO.js four dataview?

I have a series of CARTO.js four dataviews, but I want to manually get the data instead of listening to the 'dataChanged' event (when multiple datasets are created, this end in multiple errors). I ...
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Creating subLayers using CARTO JS v4.1.8

I created a simple map with multiple layers using the below code. this.cartoSource = new carto.source.SQL(sql); this.layerStyle = new carto.style.CartoCSS(layerStyle); this.layer = new carto.layer....
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What is difference between carto.js and cartoDB?

I am exploring how to use carto.js map in a web application. I had seen couple of samples where carto.JS is used and some of them used cartoDB by including a supporting js file in the document. What ...
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Display query result in a table

How can I retrieve the result of a SQL query from a source? I would like to create a dynamic table that displays the result of a query. const source= new carto.source.SQL('SELECT cartodb_id, ...
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Can I use external map data with cartojs library? [closed]

I am receiving data from another source apart from cartodb and I would like to use the data for carto maps.
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460 views

Zoom to selected feature extent using Carto and Leaflet

I am trying to use the getBounds and setBounds functions to zoom to the extent of a selected polyline feature in Carto. The feature has been selected using an SQL query. I want to zoom to the extent ...
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Using CARTO in a different language (multilanguage)?

Is it possible to configure CARTO, CARTO Builder, etc to be available in different languages e.g. Spanish, French, Portuguese?
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CARTO Airship widget default text

I am testing CARTO Airship. I have a query regarding airship widget default text. There are some default text values in all widgets like "There is no data to display" or "NO DATA AVAILABLE". I also ...
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Leaflet map with jQuery autocomplete: fitBounds (click input) on selection?

I'm trying to fire a click event on my search button and/or the input field as soon as a user selects something from the jQuery autocomplete <li>: https://jsfiddle.net/grh2dLyw/1/ I'm not sure ...
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How to use CARTO map visualization in Odyssey.js sandbox

I have a story map in Odyssey's sandbox GUI. I want to use a visualization I have in CARTO as a base map for this map. How can I find my viz key? All the documentation seems to refer to an option that ...
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Blocked loading mixed active content error when loading named map as layer in CARTO?

I am unable to get my layers to draw on my Carto map using https. My map is created I can see the basemap, but the layers do not draw. The layers load locally, but they won't when I host the site on ...
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Carto zoom to areas in "link second layer"

I have a Carto map with two layers which I have linked using Carto's "Link Second Layer" analysis. I added a widget which lets me select the name of polygons and through this link, the map returns ...
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Error while rendering Map from CARTO without any code change [closed]

I have suddenly started getting error while rendering US map. This has come without any code changes. We are using CARTO.js. Uncaught TypeError: Cannot read property 'lat' of undefined at d....
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Carto.JS - Pop up closes when mouse hovers out of feature

As per the CARTO docs I am using the following code to trigger a info pop up when the user's mouse hovers over a feature: const popup = L.popup({ closeButton: false }); ecosystem.on(carto.layer....
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1 answer
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React / CARTO Enabling interactions

I have a React JS component that adds a Layer to the Basemap: componentDidMount() { const { client } = this.props; // Craete source, styles and layer with the given props const ...
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CARTO.js / ReactJS: Showing and hiding layers on toggle

I have a the following layer: class DataLayer extends Component { static contextTypes = { map: PropTypes.object, // Leaflet map }; componentDidMount() { const { client } = this.props; ...
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Adding a legend to CARTO.js v4 map application

I have made a map that shows fire risk for the different Districts within South Africa, and each fire risk is styled by value to match a certain color. I am trying to add a legend to show what each ...
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CARTO.js (V4) - How to style different values of a polygon

Using Carto.js V4, I have added a layer that shows fire risk levels (low, medium, high and extreme) for South Africa. This is the code I have used to call the layer from my Carto library: const ...
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CARTO popup links redirect back to embed map?

When I click a link in the pop-up window the link opens a new tab to the same CARTO map instead of redirecting to the url specified. Here is my code: <div class="CDB-infowindow CDB-infowindow--...
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490 views

Adding SQL layer with dropdown selector in Carto?

I am trying to make a map that has a layer showing District boundaries of South Africa, with a selector allowing the user to view which climate change indicators are a priority to each District. Using ...
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Torque.js error creating layertorque: Missing closing ] of filter

I've been trying to create a cartodb map with a torque layer as indicated in the Torque.js documentation, but I keep getting the same error: cartodb.js:14 MAP: error creating layertorque Error: :...
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156 views

Torque.js is not working: L.TorqueLayer is not a constructor

I've been trying to create a carto map with a torque layer as indicated in the Torque.js documentation, but I keep getting the same error: Uncaught TypeError: L.TorqueLayer is not a constructor <...
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254 views

Data from dataview doesn't update after changing the operation

I'm trying to update some dataviews' operation by a select item. The operation has been changed but the data didn't (so it doesn't trigger a 'dataChanged'). I've tried without boundingBoxFiltering but ...
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370 views

How to use the the Category Widget in the CartoJS v4?

I'm looking into using the Category Widget in a custom Map, using Carto JS v4. I've managed to get the data to show up on my map, and Now I want to have a category Widget, like the one you have Carto ...
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2 answers
292 views

Fitting bounds with Carto.js?

I am new to Carto.js and I don't understand how to work with it SQL. How do I get bounds for this query? const places = new carto.source.SQL(`SELECT * FROM someTable`); I saw an example with ...
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543 views

Using Carto.js with free account? [closed]

I have a website running with an old CartoDB account and I would like to make some improvements. With the arrival of CARTO BUILDER, I lost the opportunity to share layers and thus be able to use ...
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1 answer
152 views

replacement for cartodb.SQL({user: 'user'}).execute(sqlquery) in new cartojs

this used to be my code in older carto.js cartodb.SQL({user: 'user'}).execute(sqlquery).done(function (data){ console.log(data); } how to readapt it in newer cartojs 4.0 beta
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2 answers
550 views

Multi layer interactivity not working with carto.js

I've two sublayers with interaction set as true and the proper columns added in the interactivity method. The featureClick listener is attached to the layer. On the one hand, popups are working on ...
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3 votes
3 answers
377 views

Carto SQL fails due to CORS error in local CartoDB?

I have successfully installed CartoDB in Ubuntu 14.04 LTS and uploaded a point geometry dataset. I have created a HTML/JS application to access the layers from the local cartodb and visualize in the ...
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1 answer
140 views

Cartodb popup opening at wrong location

i am using carto js to load a map and inbuilt leaflet to load additional points following (see image below) is the error i am getting. i am using this js <script src="http://libs.cartocdn.com/...
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1 vote
1 answer
150 views

Using Carto API in HTML

I am trying to use CARTO API with my HTML to display a map, code below: <!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>...
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4 votes
2 answers
112 views

Unable to connect POSTGIS Table to CARTO

I am a new Carto Builder (enterprise) User and I am trying to connect a Postgres9.6.4 / PostgiS 2.3.1. table to my datasets. Here is my script that should do the trick but I receive an extra long ...
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1 vote
1 answer
197 views

Centre map on marker click in CartoDB

How do I centre my map after clicking on a marker in carto js? I'm using createLayer but not sure where my listener should be applied (i.e. to map object created using Leaflet or within createLayer ...
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1 answer
149 views

Proper use of layer.invalidate() in Carto.js

According to the Carto.js documentation, layer.invalidate(): "Refreshes the data. If the data has been changed in the CARTO server those changes will be displayed. Nothing happens otherwise. Every ...
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1 answer
357 views

how cartodb.createLayer function works

i am using cartodb.createLayer() function to prepare my web application. I have tried to pass vizjson url and metadata method both to get my layers from my carto account which has total of 8 layers in ...
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1 answer
152 views

Carto JS only gets cartodb_id on click

Here's my code: function main() { // create leaflet map and define some properties var map= L.map( "map", { ...
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  • 287
1 vote
1 answer
105 views

Problem updating infowindow

I have a problem with the infowindow of one of my sublayers in a Carto map. First of all I'll show my code. I create the layer options and then I get my sublayer. I set its options and a first version ...
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1 vote
0 answers
258 views

How to show a carto map in an ionic 2 app?

Has anyone shown a carto map in an ionic 2 app? When I used ionic 1 there was no problem, because it is angular js and I could add the library in the index.html: <link rel="stylesheet" href="http:/...
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1 vote
1 answer
124 views

How to get sublayer infowindow to close in Carto.js

I have a map with 5 different sublayers and am having an issue with the infowindows between sublayers. If I click on a sublayer point to open an infowindow and then click on a different sublayer to ...
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-1 votes
1 answer
138 views

Map with polygons evolution over time

I want to put a button on a map with polygons so that you can see an evolution over time. The problem is that clicking on these buttons is not getting any response. It also happens that the provinces ...
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1 vote
0 answers
2k views

What are the licensing rules for using cartodb's public REST API with leafletjs

I am currently working on a project which needs some offline mapping. I am using Leaflet.js as my base library. I have also seen that leaflet can be used with the following tile providers: https://...
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0 votes
1 answer
889 views

Toggle between layers in Carto Builder

If you publish a map with multiple layers using Carto Builder, is there a way for viewers of a map to toggle on/off a specific layer? For example, imagine a choropleth map with a map marker overlay. ...
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