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Questions tagged [cartodb]

Cloud-native location intelligence & GIS software for analysts, data scientists & developers solving geospatial problems with modern analytics stacks.

CARTO (formerly CartoDB) is a computing platform which provides and solutions for displaying custom data in a . CARTO is an project by CartoDB Inc..

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170 questions
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Delay between basemap and vector layer when zooming

My Leaflet map is completely functional -- so that's great. However, I noticed that my vector layer (upwards of 200 points) is slightly delayed whenever I try zooming in or out -- it almost appears to "bounce," and it's very jarring. I've tried it…
Benjamin Schroeder
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How can I convert IPs to addresses, and then group those addresses by city?

I have a dataframe composed of IP addresses and corresponding values. I want to visualize these IP addresses (converted to geospatial coordinates) and corresponding values as a bubble map. The problem is that some of these IP addresses are in the…
Danny David Leybzon
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Error: File not found while importing file from framework

I am following this Demo Tutorial URL to add layer on map which is provided by cartoDb. I have WhirlyGlobe_Maply_Distribution_2_4 binary files and its framework and importing its component file. But its showing me that file not found. Here is what…
Jigar Tarsariya
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How to apply hex to the whole world

How to apply hex to the whole world. I found this example on the internet but couldn't apply it for the whole world var bbox = [-180, -90, 180, 90]; but it doesn't works as…
Almis
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How to use postgres functions on columns inside a COPY postgresql

I have a spark (1.2.1 v) job that inserts a content of an rdd to postgres using postgresql.Driver for scala. In postgres I have some functions, such as "CDB_LatLng", that need to be triggered by the inserts (that particular function calculate…
user2552806
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CartoDB map being blocked - XMLHttpRequest cannot load - CORS?

I have a CartoDB map that is using PHP to connect to my CartoDB account and show layers. I am having people report that they can see the map, but not the layers and I am not sure why... below is an image of the error showing up in Chrome, but only…
dchadney
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leaflet : Prevent marker to be dragged outside the map container

Please consider the following code http://jsfiddle.net/franckl/311bcbc8/ var southWest = L.latLng(-90, -180), northEast = L.latLng(90, 180); var bounds = L.latLngBounds(southWest, northEast); var map = L.map('map', { minZoom: 2, …
Franckl
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How to hide ApiKey in Carto Layer request with DeckGl?

I am trying to hide the APIKEY in the network requests that the map is using. I am using "@deck.gl/carto": "version": "8.6.5" The api is set with setDefaultCredentials({ username: environment.carto_account, apiKey:…
Jorge Monroy
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Having an issue seeing the heat signature on the map using HeatMapWithTime

I'm not able to see my data on the map when I run the following script. I can see the map, the temporal slider is present at the bottom and scrolls through the dates I provided, however, I do not see a heat signature at any of the locations. Is…
Geno
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Download GeoJSON file using SQL API call with PHP

I'm trying to download a GeoJSON file using the Carto SQL API and PHP. I can download the file successfully by entering the single line SQL query in the browser or using JavaScript's window.open(), but I cant seem to figure out how to do it using…
Hysteresis
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Can sql queries vary by coulmns?

I'm trying to allow users to add routes to points on a leaflet map, using sql queries to a database of points. Because I want each point to have more than one route that passes through it, I added additional columns: "route2", "routenumber2" till…
Winni
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Change projection of tile provider in bokeh in EPSG:3857 ("web mercator") to my source's in EPSG:4326

I am able to use Bokeh to plot glyphs from a geopandas dataframe over a Google Map using the gmap() function. from bokeh.io import output_notebook, show, output_file from bokeh.plotting import figure from bokeh.models import GeoJSONDataSource,…
Revolucion for Monica
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Is there any way to change layer's style based sql query (carto.js v4)?

I'm showing a layer over a google map and I wanna change layer's style. I have a select control that contains dataset's columns, so when the user selects an option I'm getting to carto the unique values column. So these values I wanna take and…
Carlos
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Is there a good way to display map tiles dynamic and real time?

Ⅰ using python-mapnik(linux)+postgis I've tried using mapnik to show big data(aboult more than 600,0000 polygon features with much points in postgis),I display it real time from python service without cache. but i meet the problem： 1.At the…
Happy Young
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Add layers from cartoDB browser to Android Application

I have amap with three layers in cartoDB browser and I cant add the layers in my map in android App How can I add aKMZ layers (not base map) in CartoDB browser to Android App using java code to show All layer in App?? Can anyone help me? The code…
user9461183
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