Questions tagged [carto-js]
CARTO.js is a JavaScript library that interacts with different CARTO APIs. It is part of the CARTO Engine ecosystem.
211
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Carto: Markers being offset or cut-off on polygon & marker map
I am seeing artifacts and markers are getting cut-off on my map. Zooming in and out can also leave an 'imprint' of what the map looked like before - either for a few seconds or until you refresh the ...
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2
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1
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347
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Centering map with Carto Builder?
In previous versions of Carto it was easy to set the zoom and center-point of a map embed via URL parameters
http://<username>.carto.com/viz/<viz_id>/embed_map?zoom=3¢er_lat=0&...
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125
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MIME type not executable error in CartoDB
I'm having trouble serving a layer using the Cartodb JS API. Essentially, the script is being refused because of MIME type. I notice ?callback=vizjson has been appended to the end of the URL (see ...
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3
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179
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carto api with javascript using online carto db. Argument of WHERE must be type boolean, not type geometry
I am using cartodb api to fetch the geojson from the cartodb data set using this code
var map = L.map('map',{ center: [-35.1393961, 149.8530818], zoom: 13});
var alpha=map.getBounds();
var lat0=...
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768
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CARTO/Leaflet: How to improve map performance?
I'm having problems getting my map to load data consistently quickly and smoothly. The buttons on my map execute sql queries to display data per category and by year. When I click between them, ...
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381
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How to get CARTO.js vizjson URL
I am new to CartoDB. I have a free user account with 5 maps. I cannot see CartoDB.js URL just in a publish map. I have got just 'Get the link' and 'Embed it' publish map possibility and not the third ...
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0
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117
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Why won't my street addresses georeference?
I've been using Carto for about a month or two now and it had been working perfectly, however it suddenly malfunctioned today. I updated my excel document (nothing changed except the number of rows), ...
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135
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Carto JS no sublayer event response
I'm trying to create a custom infowindow based on cartojs sublayer.
I've tried many things, but through testing I think the issue is that the event is not being registered/recognized on any of my ...
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250
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Carto.js Infowindow Listeners open/close Events
I have a website with the carto.js library and some layers loaded. If I click on a feature, an Infowindow is opening up.
I know that there is an event for the feature click:
sublayer.on('...
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776
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Migrating from CARTO Editor TO CARTO Builder and problem with odyssey.js (viz.json)
In odyssey.js you have:
-vizjson: URL like this "//username.cartodb.com/u/usernanme/api/v2/viz/key/viz.json"
The first thing we want to do is bring the CartoDB Visualization we created into ...
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3
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Is there a way to get a viz.json url from Carto Builder?
Questions for any Carto users/developers here. I am trying to find out a way to a get a viz.json url that can be used as an overlay on a Leaflet map using Carto.js API.
However, I can't find it under ...
- 129
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368
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Add two sublayers at once Carto.js
How can I have two sublayers on at once in carto.js? I'm very much struggling on how to accomplish this. My code is here, I have gotten so far as to hide and display each sublayer with a checkbox, but ...
- 125
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167
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Is it possible to change interactivity in Carto.js map when called from Carto
I am making a carto map using carto.js and a map/data from my Carto account. I know I can set the interactivity there for clicking on polygons, etc. in the wizard, but am not able to alter that in my ...
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108
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How to add GPS UI on CARTO public_map and/or embed_map?
I want to add GPS UI for getting current location on CARTO public_map and/or embed_map, when they are accessed from mobile phones.
I know I can do it coding in JavaScript and carto.js, but I want to ...
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218
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Using data from my cartodb in my search box
I would like to use the data on my cartodb in the search function using SQL API. Please help me understand what is missing form my code because when i use my search, i get this error:-
(Bad Request)...
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131
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Trouble hosting CARTO data on GitHub
I'm having trouble getting data from a createLayer layer to populate a CARTO map when hosted on GitHub. The map itself draws but the data is missing, although, it works when hosted locally. Also, I am ...
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504
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Carto.js - Change infowindow field on click event
How can I get fields in an infowindow to change when I click on something?
For example, if this is my infowindow code:
cartodb.vis.Vis.addInfowindow(map, layer.getSubLayer(0), ['abbrev'])
How can I ...
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1
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104
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Carto Feature Selector
Still a novice in this aspect of GIS. I am trying to get a feature list to select only matching points when clicked. However, I am not sure what I am missing for the query to run correctly. I am ...
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103
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How to automatically separate two pins when a map is scaled in Carto
I am building a map on Carto, i am mapping activities at building level in a city. Sometimes two activities occur in the same building, when the map is zoomed in (at building level) you can clearly ...
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276
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How to spiderfy stacked POIs in CARTO's standard map?
I'm creating this map on CARTO.
Some POIs are stacked even at max zoom level, so some POIs are impossible to be clicked.
Are there any methods to make these POIs spiderfied?
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2
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584
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Applying https to Carto map but requesting insecure data?
I am building a site using data from CartoDB that locates someone on a map, and Chrome requires that be over https. I added an SSL, but it was not working, the page showed up black. I found out that ...
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459
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Add marker interactivity to a carto map
I've got a working example of a map that adds a marker layer with the creatLayer method. I am trying to add a click listener to the carto markers. I have tried the examples here and here to no avail.
...
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411
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Adding a fixed infobox showing an image when clicking on a feature
Each of my data points have a different image. The images are uploaded to a web server and on CARTO I created a column with the url {{image_url}}. This works fine when showing the images on hover ...
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485
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Carto - Search for point by name and zoom to
I have a map I've put together with Carto. The main layer is a brewery point layer. I want to set up a search box that allows the map reader to search for a brewery by name. I know I can set up a ...
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52
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How to insert basemaps in cartodb.js?
I'm desperately trying to swap out my basemap in cartodb.js.
Here's the snippet of code, the part I switched out successfully with some basemaps is in bold:
L.tileLayer('https://dnv9my2eseobd....
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366
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CARTO DB / Adding images using layer.on('featureClick',function(e,latlng,pos,data)
Each of my data points have a different image. The images are all loaded in CARTO and the column has a name. I need to call each of the images on click event.
I've been using the
layer.on('...
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109
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Torque map slider formatting problem
I tried combining the code in the example below, with my own code but it does not work: the timeslider continues to count up from 0 and does not display the text alongside the number.
How to Change ...
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111
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Carto legend colours not showing in embed?
Carto legends are showing no colours in the bullets after manually adjusting colours in the HTML window -- but only in IE. No issue in other browsers. Has anyone else seen this?
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791
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Infowindow close on featureOut /hoverOut
I have been working on getting infowindows on my cartodb layers, but i am not sure what I am doing wrong as I want the infowindows to automatically close on feature out and only pop up when featurein ...
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166
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CartoDB Infowindow createLayer with Layersource
I replicated an example of a layer with customized infowindows, but when I changed the source to a layer source object, the layers are loaded but the infowindow fails to show up. Any pointers.. http://...
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158
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How do I put infowindow contents into a separate `div`?
I'm new to CartoJS. When a user clicks a dot on my CartoDB map, I want the content of the infowindow to appear in a separate div on the web page.
How do I do this with CartoDB/JS?
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77
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Buttons that toggle different column visualizations?
I have a census data table in Carto and I want the end user to be able to toggle through several different demographic visualizations via buttons on the map.
For example one button shows median age, ...
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67
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Strange cartodb infowindow behavior
I have been working with some cartodb infowindows and some dynamic templating in showing the infowindows when hovering. Sadly when hovering on different sublayers, interactivity of the different ...
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91
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How to input an mp3 file into CARTO
I am trying to create a bubble map in CARTO in which a user can click on a bubble and one of the fields that appears is an mp3 file. Alternatively, a soundcloud page with the mp3 could appear with the ...
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178
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Cartodb Layer source object not loading
I have tried to figure out why the layer is not showing up on the map. My code is as follows.
var markersLayerSource = {
user_name: 'someaccount',
type: 'cartodb',
sublayers: [{
...
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1k
views
Change the size of legend on Cartodb
My legend is too big and it is blocking the view of my map.
The size of the map is fixed, so the only solution is to make the legend smaller? Is there any way to do this?
<div class='cartodb-...
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367
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CartoDB- popup window not working
I am working on a project, and I have not worked with cartodb long, but there is something wrong with this code. It is supposed to display a little pop window showing the school district for that ...
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1k
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Switching from "layer selector" to buttons to toggle between layers in CartoDB
As of now, we have a map that you can toggle between layers using the "layer selector".
We want to instead have buttons on the map that, by clicking on one, you can switch between layers. In our's, ...
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0
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105
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CartoDB.js/Leaflet map - how can I click between multipolygons cleanly?
Here's my map:
https://jsfiddle.net/Sidders/4exf969e/3/
I want to apply a click and hover effect to the polygons. So a polygon/multipolygon highlights on hover, and is selected with one click. The ...
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58
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CartoDB: Trigger InfoWindow from inside another InfoWindow
Is there a easy way (maybe even generic solution) to trigger opening the InfoWindow of Marker 1 from inside the InfoWindow of Marker 0?
The goal would be to «jump» from marker to marker right from ...
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353
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Using createLayer in CartoDB isn't working
So, the scenario is I have a situation where users can look up multiple tables worth of data, and want to view them in an aggregate fashion. Based on certain filters, I get a list of tables, then want ...
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356
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Mustache functions possible in CartoDB tooltip templates?
CartoDB.js uses the mustache.js library to render tooltip windows. One of the features of mustache.js is allows functions to be defined, which are called when the template is rendered. An example is ...
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461
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Adding infowindow to cartodb map using api
I think this should be easy, but I just can't work it out. I am building a multi-layer map using cartodb (own opensource server).
Layers display well. but I have two problems.
1) the layer select ...
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121
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CartoDB Point Clustering and on Hover
I have been working from a sample on point clustering from cartodb. I would like to have an infowindow show when someone hovers over a series of points. This infowindow will display a different ...
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0
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506
views
Creating Legends in CartoDB?
I'm trying to add a legend to a simple choropleth map using the ui for custom legends. But I'm not sure where to put it in my code, if it should be within the createLayer function, or outside of it, ...
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709
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Leaflet display only clicked element of a loaded map layer (polyline)
I am creating a web mapping application that will return appropriate routes based upon ST_length query on a cartoDB dataset. So far, the code below successfully maps those routes with individual ...
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241
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Create Choropleth Style Map in CartoDB programmatically
I am trying to create a choropleth map for a school project I am working on. Based off user input, I will create a csv file that I will then upload to CartoDB using their Import API. By setting the ...
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75
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Arguments not working in cartoDB createLayer method
I added a cartoDB layer to an existing map using createLayer method and it loaded properly. Thereafter, created a variable params and parsed the arguments as sees on the code snippet below. ...
- 215
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0
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463
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Changing layer color with a button click
I am trying to change the color of my map layer when filter buttons are selected. So, the goal is: the user sees all of the data in one color. Then, when they click on a filter button, only a subset ...
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183
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Creating a runtime visualization with CartoDb
I am trying to create a runtime visualization for a CartoDB map and I am quite the trouble with doing it. I have gone over the documentation and cannot get the code to work correctly at all unless it ...
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