Questions tagged [carto]

CARTO empowers any organization and individual to discover and predict key insights through location data. With CARTO’s intuitive location intelligence platform anyone can build self-service location based apps that help optimize operational performance, strategic investments, and everyday decisions.

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1answer
112 views

Why do geometries disappear after having applied ST_Union

I applied ST_Union on my set of about 2000 geometries in order to get 12 distinct areas. As a result, I obtained (probably) WKB format that I'm still not able to use in order to get some interesting ...
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1answer
80 views

Obtaining relevant information from CARTO's format of the the_geom attribute

I've just started using CARTO and wanted to join two files: the shape data and the data from the excel file. They have a common column, so I did the analysis and applied the inner join. Then I ...
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1answer
214 views

How to rotate a marker based on a value

I wanted to know if it is possible to make a turn for a point with a defined image (arrow example) depending on the attribute of a field that reflects the angle in degrees. I want to represent the ...
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1answer
117 views

No maps visible when downloading something with CartoPackageManager

I am facing such problem: while some package is downloading with Carto PackageManager, I can’t see neither other downloaded offline maps nor online maps of any other place. In other words, if there ...
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1answer
69 views

Cannot override onVectorElementClicked from MapEventListener

According to carto (https://carto.com/docs/carto-engine/mobile-sdk/developer-guide-to-sdk-features/), the function OnVectorElementClicked can be overwritten if it extends from MapEventListener. But I ...
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1answer
34 views

Styling data by specific values

hoping someone can help me with some styling on a map I've created. I'm rather inexperienced here, but feel rather close to success so hopefully this is a layup for someone who knows what they're ...
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2answers
296 views

How to format values using SQL in CARTO? [closed]

I am trying to make sense of how to format data values for a popup. I have values that are reading $890000, and I want them to read $890,000. How would I format my SQL statement? More generally, is ...
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1answer
217 views

Is there a command to duplicate a map in Carto?

I'm hoping to make a quick duplicate of a map in Carto, the same way you can 'make a copy' of a spreadsheet or a word doc. My plan is to add a new map layer (with new data) to the duplicate and ...
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0answers
35 views

How to get the data on screen after movened event is triggered

I am displaying 100 cities on the map. After zoom or move the map, only e.g. 9 items are displaying on the current screen. So how can I get these data from my dataset? Especially the object id? ...
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1answer
125 views

marker (map pin shape) transform-origin

How can i move the center/origin of my marker image(map pin), so that my marker pin points always on the same point (in CSS transform-origin: center bottom;) how can i achieve this in CARTO CSS?
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1answer
71 views

Live datasets in Carto using Census API

I want to get population counts for places in California. [Ideally Census Tracts, but that's not a supported geography in the population dataset?] After reading through the documentation and ...
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1answer
279 views

Adjusting Polygon Visibility with CartoCSS

I am attempting to adjust the visibility of a polygon layer in Carto by zoom level. To keep it simple for now I am looking to have the opacity of 1 from zoom 0-7 and opacity 0 from zoom 8+. I am ...
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1answer
451 views

Creating custom legend to map to custom css torque heatmap

I'm hoping someone can help me with html to create a legend that maps to a custom heatmap I made using the style CSS. When I try using the default legend, it neither maps to the right custom colors, ...
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1answer
31 views

carto clusters + sql

The example below is based on Ramiro's code and using his data set works perfectly : http://bl.ocks.org/Pabloska/a860115cc78515291688ca4491f3ba09 But for some reasons when I change the json API and ...
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0answers
13 views

Mapping Bronx Breweries 1840-1940? [duplicate]

I created on a Wordpress site for my final thesis and need to add a map. I do not even know where to start. I am so confused. I do not need to do anything fancy (yet) I just want to map about 30 ...
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1answer
66 views

Franchise App in carto

How can I use the franchise application connected to carto. Using your app does not come access to the carto dataset. When I want to connect to the web: https: //franchise.carto.io/logged or https://...
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1answer
136 views

How to merge datasets without creating new columns

I am using Carto Builder and I have two datasets with exactly the same column headings but each dataset has different data under each column heading. Is there a way to merge the data without ...
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1answer
947 views

Can I write a title on a CARTO map?

I close a project with CARTO on the website (no through coding) but I don't see where and how to write a title on the export map. It was possible with CartoDB but I didn't found solution with CARTO. ...
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1answer
416 views

How to convert from lat,lng to tile coordinates?

Given a pair of lat/long coordinates (and a screen size if needed), we need to establish the Z/X/Y coordinates for the map tiles which will be requested when we tell our map fitBounds(coordinatePair);....
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1answer
290 views

Embed Static Carto Map in Google Sheet Cell

Carto is mapping software that provides me with a url to a dynamic map. I want to show a static version of the map (which updates daily) in a google sheets cell. Ideally there would be a way to ...
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1answer
191 views

Setting the_geom to coordinate system EPSG5514 in CARTO?

How can I set my geometry column to coordinate system EPSG5514 Krovak in CARTO? I would like to publish maps on this system. If I enter: UPDATE komunikace_jtsk SET the_geom = ST_Transform (...
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1answer
117 views

Visualizing a SQL query in Carto

I'm new to SQL. I wrote a query to perform a join based on a common attribute. I am having problems displaying it because the column the_geom_webmercator doesn't exist. My question is, is my table ...
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1answer
151 views

CARTO.Geometry field in polygons [closed]

I want to know how to import a layer of polygons that I have exported from a database in postgis to txt format to my dataset. I have used the ST_GeomFromText function but it does not identify the ...
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1answer
89 views

How to enable Latin names for places in some places instead of local ones in Carto Services?

Some places on the map is labeled with Cyrillic names, but I need only English/Latin names of places on the map, however sometimes there are only local names. In general I need transliteration to ...
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2answers
139 views

Shoreline clipping in Carto

I'm trying to clip a map of Oakland City Council Districts to the shoreline. Carto even has a nice walk through of how one could (theoretically) accomplish this, but I feel like I'm missing something ...
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1answer
27 views

Dragging on mobile using Carto?

We have this large map of United States on our website and we are trying to see it well on mobile. As the map is too large we lose some functionalities on mobile view like dragging. Is there any ...
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1answer
580 views

How do I make the url link on my pop up window open up in a different tab?

How do I make the url link on my pop up window open up in a different tab?: see map below for reference: Map
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1answer
181 views

HTML CartoDB timeSlider Animation Map

I have created a web map using CARTODB API. I'm wanting to make an animation map with my points. The map points displays properly, but the time slider will not display as well as no animation of ...
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1answer
144 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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2answers
379 views

Importing from a PostGIS database into Carto using Carto's Import API

I am not new to Carto, but I'm new to the command line. I am able to import local files using this sample code Carto has in their documentation: curl -v -F file=@/home/documentation/Documents/...
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1answer
425 views

Can I put hyperlinks in Carto infowindows?

I'm mapping a bunch of nursing homes where there have been incidents of abuse. I'd like to put hyperinks to the incident reports in the infowindows. Those would be PDFs hosted on Google Drive. Is this ...
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1answer
94 views

Can legends be exported as image in CARTO BUILDER?

How to add a legend when exporting a BUILDER map as jpg/png image?
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1answer
230 views

Scaling map for certain layers using CARTO?

I would like layer setup in CARTO - scaling map for certain layers. How do I change the zoom, for example, on map markers, so that they are not displayed at all scales?
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1answer
74 views

Remove / change the white border from the CARTO map

I published a CARTO map that I need to embed in WordPress. Can I either remove the white border or change it to a black one? Here's the map: https://colossalmedia.carto.com/builder/31f83b6e-9ef6-...
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1answer
39 views

Carto builder, opacity is set at 0 but publishing at 1

I'm working on a Carto map for a client, so I set up a new Carto account for them today. I'm building it in Carto Builder, using the GUI. (For this job, I need to just use the GUI, not get into ...
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1answer
52 views

CARTO dataset to connect the arcgis service

I can not find the CARTO dataset to connect the arcgis service: http://ags.cuzk.cz/arcgis/rest/services/ZABAGED_TOPO/MapServer/ Can you help me?
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1answer
193 views

connect my WFS service to CARTO

How do I connect my WFS service to CARTO - dashboard/datasets? http://services.cuzk.cz/wfs/inspire-cp-wfs.asp?
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1answer
402 views

static map api “Invalid or nonexistent map configuration token ”

Im trying to create static map and im having problem: Invalid or nonexistent map configuration token When I publish map I get two links and they work fine with token in link https://rokiszb.carto....
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2answers
95 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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1answer
94 views

How to show aggregated values in a CARTO BUILDER popup?

Is it possible to have some column calculations displayed in popups? Given this example map: https://atomotic.carto.com/builder/8238cb36-0f15-4fa4-9c80-cdce7c2bd040/embed I would like to: ...
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1answer
37 views

I cannot create a custom point in CARTO BUILDER, option is always greyed out

I have recently started working with BUILDER and the option to manually add a point (either searching an address or just clicking to create) don´t work for me as with the previous interface. Could ...
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1answer
192 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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1answer
73 views

Can't create named map containing complex CSS condition using cURL

I'd like to style contour lines so that they show differently at varying levels of zoom. When zoomed right out, only the 200m, 400m, 600m, etc. lines should show. When zoomed in a bit further, the ...
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1answer
484 views

Show both label and icon for amenities using Carto CSS

I'm trying to style, e.g. museums, so that both their icon and their name shows up. However, there seems to be some conflict. Here's my - related - code: .points { ::tourism { [tourism = '...
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1answer
80 views

Carto SQL API: generate a point via query

Is it possible in Carto to create a point via a simple query? If I run: https://UserName.carto.com/api/v2/sql?format=GeoJSON&q=SELECT ST_MakePoint(-50.10, 42.31) Encoded: https://UserName....
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1answer
197 views

What is the category limit for category widgets in CARTO BUILDER?

Is there a way to set the numbers of items displayed in the category widget? Is 5 the current limit? I can not find anything in the documentation: https://carto.com/learn/guides/widgets/search-and-...
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1answer
84 views

Labelling left and right names on a line, in a .mss file?

I am currently working with project.mml and associated .mss files. I am looking at replacing OSM admin labels with a secondary source and I am wondering how Carto does the labeling along the lines ...
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1answer
429 views

Showing user's location on Carto map?

I have a series of tram stops on a Carto map and would like to indicate the user's location. Is this doable in Carto? https://jamieparker.carto.com/builder/161cab96-859b-433d-8a72-5ae5653b1b8e/...
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2answers
113 views

My click infowindow does not change for nearby points.

My cartoDB map has several observations/points and sometimes they are clustered. I have infowindows setup for each point and it displays when I click on them. The problem happens when these points are ...
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1answer
47 views

Fixing line breaks in cartoDB infowindow?

I am having trouble with my cartoDB infowindow, the text breaks no matter if I resize the window. Please, take a look at the screen shot below. How can I resolve the issue? Where should I work, ...

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