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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How to create an interactive based filter (checkboxes) with multiple layers using Carto VL
I'm relatively new to coding, and have been developing a map using Carto VL and Mapbox. I've found a way to create a filter within a map where users can turn off and on different categories within ...
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Seeking tutorial on Time Slider in Carto?
I want to add a time slider to a map. It looks as if I have to do that via CartoCSS but I really don't know where to start. Unfortunately, I don't understand what all the other posts regarding this ...
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Can CartoDB and Mapbox.js talk?
Back in December it seemed there was no way to bring in a CartoDB layer into a Mapbox.js or Tilemill project.
Has this changed?
(http://support.mapbox.com/discussions/mapbox-tiles/763-cartodb-and-...
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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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CartoDB - Deleting datasets via API
We're running our own CartoDB stack and all is working well, but in writing an API testing script, that creates and subsequently deletes a dataset, we've discovered we're not sure how to ...
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Waiting on AJAX result in main JS function
So .... my main init()Javascript function has these 3 lines:
sarea = GetArea(Uname,UIDfield,Table, document.getElementById("Source").value);
darea = GetArea(Uname,UIDfield,Table, document....
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Creating polygons from points in Carto
Using Carto, I am trying to create shapefiles of regions using points(Link to Dataset in Carto ) with a shared column value to group by. I've included 3 photographs. 1st photograph of the points ...
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Changing data type of column for synced table
A synced table I setup against the 311 dataset at data.cityofnewyork.us works great!
However, the date columns come over as string, preventing me from doing date functions in queries, and from using ...
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Casting data types from GeoJSON feed
Just getting started with the CartoDB Way and have run up against first problem which is similar to Changing data type of column for synced table.
We have a GeoJSON feed coming from a Fulcrum data ...
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Interactivity in CartoDb with createLayer method?
I have a problem with my interactivity and I can't solve alone. When mouse hover are on any point I would like show by console.log any column of my dataset.
With my code, only show me cartodb_id.
...
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Odbc_fdw.control is missing
I am using cartoDB and Postgres 9.3 including PostGIS. When I try to create development user in cartoDB I get this error:
'CREATE EXTENSION IF NOT EXISTS odbc_fdw SCHEMA public;'
ERROR: could not ...
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List all columns of a dataset?
Using CARTO VL.
Having a dataset, is there a way to fetch all columns this dataset has before I create the viz object so I can programmatically decide which variables to add to the viz?
Something ...
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How to export geospatial files from CARTO?
I recently made an iso-area trade polygon in Carto from a point and would like to export this area as a shapefile, geopackage, or geojson for stylizing in QGIS. However, when I try to export, there's ...
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Why is torque not working with large polygons?
It seems that torque isn't working with a "big" polygon. By "big" I mean the size of a french department.
Could you confirm that?
I would like to show the evolution of jobless rate ...
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Street-view Image not rendering in CartoDB infoWindow
Following instructions on Infowindows with Google Street View Images, I'm trying to add this feature to a visualization
Instead of an image, I'm simply getting the link to the image via the SQL query ...
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Export Torque Animation
Is it possible to export a video of a CartoDB Torque animation to a file, like in ArcGIS? If not, what are my options for displaying the animation in a presentation?
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Cartodb: How to make dates appear in Torque time slider
I am trying to use my date column as a time-slider in my cartodb map. But it doesn't appear or seem to be an option.
What am I doing wrong?
Here's my map: Map
Here's my data:
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Map doesn't show up in CARTOframes
I'm new in Carto. I have been trying to figure out how Maps are used, I tried this code that is in the web; however the map is never displayed.
from cartoframes.auth import set_default_credentials, ...
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CartoDB API to make a table public after an import?
I am currently using the import API to import my layer data into CartoDB from another application.
My question is whether there is a way to make this table PUBLIC using an API instead of the UI?
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carto giving error: TypeError: Cannot read property 'hasOwnProperty' of undefined
I have a new ubuntu 17.10 server that Im building an Open Streetmap Server on. I installed carto and am now getting this error:
osm@atlantageek-System-Product-Name:~/openstreetmap-carto-2.41.0$ ...
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Opacity problem with Carto static maps API V1 and .JPG image type
EDIT
If I change the last three characters of the image request URL to be png instead of jpg, then the image renders nicely.
Original question
A few years ago, my Carto anonymous map was rendering ...
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Converting SQL queries from PostGIS to BigQuery
I have a table called drawn_items with columns “the_geom”, “fsrn_db” , & “area” in Carto2 which is queried by SQL. Having recreated the table in Carto 3, in order to use the query, I must ...
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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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Simple Example Wanted - Add SQL Layer to a basemap
I am very new to CartoDB. I have a set of tables uploaded and am able to create the visualization and it works fine in the CartoDB website.
However, I want to use a simple basemap and then add my ...
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Printing from free version of CartoDB?
I am trying to export the maps into a MS Word document and cannot find a way of doing it. Currently I am having to screen print to Photoshop and then cut and paste into a document. The problem is ...
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Making icon marker size variable depend on data value using CartoDB
Is there any way in CartoDB where I can make the size of individual icon markers, visualized on a CartoDB map, variable and set according to its data value in a given data range?
Similar to the ...
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fitBounds on points after feature selection
I am trying to follow some of the examples I have found here and in Google Groups about fitBounds for points. Most of the examples are for polygons and don't seem to work for points. I think I've ...
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Styling vector tiles from Carto in QGIS
The CDRC have a range of useful maps online here: https://mapmaker.cdrc.ac.uk - previously they used XYZ Tiles which could be re-used in QGIS easily but the new system uses Vector Tiles hosted on ...
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CartoDB - Non-animated heatmap, but won't let me layer under
I have a simple heatmap layer that is not animated. I want to move a choropleth layer above that heatmap layer, but Carto will not let me, as it thinks my Heatmap layer is animated.
Is there any way ...
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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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Does cartodb support arabic text?
I'd like to use Arabic text in my map.
I saw this post earlier about Cyrillic text (Does CartoDB support alphabets other than Latin?), but does anyone know about Arabic?
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Can a Carto web map auto-pan to follow point animation?
Setting up an animated map in Carto Builder that follows a point across the Pacific. In order to see local route details the map must be scaled in, but then not all of the route is visible at once. ...
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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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Trying to Count Number of Points within Specified Distance from Lines using Carto?
There were multiple points stacked on the same coordinates that I did not notice.
I am trying to count the number of points within 10km of lines (routes) so the routes can be styled according to the ...
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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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Uploading image into the non-header part of infowindow in #Cartodb
There are instructions on uploading image into the infowindow header in CartoDB. however, I would like to upload an image into the sub categories under CartoDB and encountered problems.
What is the ...
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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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How to let the right toolbar of CartoDB show out?
How to let the right toolbar of CartoDB show out? My page window is different from that in the guiding video.
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Summing values that are geographically close to each other using Carto? [closed]
I have a dataset of Boko Harams rampage in Nigeria uploaded to CartoDB.
I have columns like coordinates, dates, number of victims.
Would it be possible to write a query that would sum the victims ...
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Carto time-series widget: how to change bucket labels?
I am using the Carto builder animated time-series widget based on a number column that contains a year as a four digit integer. In the widget's horizontal axis, the buckets are not labeled with ...
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Cartodb: How can I prevent edge-spanning polygons from wrapping in the wrong direction?
When using Cartodb to layer polygons (craters on Mercury) on top of a user-defined (via Mapbox) basemap, features (craters/polygons) that span the edge of the basemap are extended into bands that wrap ...
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Adding different animated widget at same map in cartobuilder
I have 4 layers in Carto and I want to make animated maps for each of them but it seems I can only make one.
Is there any way that I can make more than one?
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Using features of CARTO Builder to dynamically calculate the average of selected columns
I am trying to find a simple way to calculate the average of selected columns (avg per row) dynamically in CARTO, using only the pre implemented features of CARTO Builder so that it is as user-...
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Iterate through date columns in CARTO (frames, VL, etc.)
I currently have a data file that has columns for each day over an 8-month period.
I am seeking of a way to create an interactive CARTO map that displays the change over time. I want to know if there ...
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Changing property on Carto VL feature?
I have a map that relates to a table. When the user selects a table row, I would like to highlight the corresponding map feature. This is the only way I found to do it:
const siteGeoJSON = ...
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JS errors on cartoDB map editor - tracker.js
When editing my map in the CartoDB interface the page breaks with errors - see screenshot.
Any ideas how to resolve this?
tracker.js:14cartodb/table/views/tooltip/custom_templates/infowindow_light ...
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CartoDB opensource vs paid one?
What's the difference between open source CartoDB version vs the paid one?
this one the open source: https://github.com/CartoDB/cartodb
and this one the "paid" version: https://carto.com/
i don't ...
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Displaying currency format in CARTO Builder scorecard widget
I am creating a map in CARTO Builder and I would like to have a scorecard widget showing the average income across all points on the map. In the scorecard, I want the average to be displayed with ...
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429
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Leaftlet Map with Carto database to recalculate area on polygon edits
I have a Carto database called drawn_items with the columns cartdb_id, the_geom, fsrn_db and area.
The following JavaScript code (which I will call code 1) inserts a new row into the carto table drawn ...
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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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