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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
889 views

Examples of self hosted cartodb implementations

I am very impressed with the ease of use of CartoDB and the fact that it is based on OGC standards. I think it would be very usefull for none-GIS specialists. However, I would like to know how well it ...
2
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1answer
1k views

Search Functionality using Cartodb API

I posted a similar question about this a month or so ago and I was still in early stages of researching the problem thus not to many results came from it .After some time and effort I have come close ...
2
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1answer
219 views

advice on browsing multiple points with leaflet - query only the points in the viewport

This a very basic question, but I don´t quite know where to start I have a postgis table with aproximately 15.000 points hosted on CartoDB And I'm developing an application that should let the user ...
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1answer
383 views

cartodb: query for the points within a radio from another point - postgis

I've georreferenced a couple of points in a CartoDb table, so now I have a the_geom column of type point I'd like to get all the points that are x meters away from a certain x,y point. So far now, ...
5
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1answer
474 views

Can QGIS access cartodb tables via OGR?

I see that it is possible to access Google Fusion Tables in QGIS using OGRs Virtual Format layer. Shown here and details about the Google Fusion Table driver here. I was wondering whether something ...
3
votes
1answer
3k views

How to create a search box and SQL statement for searching an attribute field?

How can I add a HTML search bar that the user can use to search an attribute field for a polygon layer, and then tie that input into the SQL statement? So far I am able to hard code the query of ...
1
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2answers
2k views

I have a database in PostGIS, is possible using CartoDB? or I need another map server?

I have a data base in PostgreSQL/PostGIS, and I want to offer to my users a way of visualize it, Is it CartoDB the best option? It is possible? Or which is the best option around? (Please provide ...
4
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3answers
4k views

generate spatial geom from lat lon points for map in PostGIS

I am interested in a PostGIS implementation of the R-based soulution from a previous question, How can I convert data in the form of lat, lon, value into a raster file using R? Currently, I am hoping ...
1
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1answer
1k views

CartoDB Convert from the_geom to google's lat long

I have a CartoDB table that when I query it via the rest api I get something like this: { "name": "sas", "street": "la plata 2390", "cartodb_id": 1, "created_at": "2013-06-26T00:46:21.412Z", ...
2
votes
2answers
6k views

Loop over features of a GeoJSON object from CartoDB

I have just little knowledge about HTML and JavaScript. Nevertheless I was playing, copying and pasting around with Leaflet and CartoDB. I want to display the features GeoJson in a table. This is ...
4
votes
1answer
814 views

Can CartoDB and Mapbox.js talk?

All, 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-...
3
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4answers
3k views

Converting Esri ASCII raster to Shapefile for CartoDB?

I have an ArcGIS grid ascii file (Ramankutty Cropland at 5 minute resolution) that begins as follows: ncols 4320 nrows 2160 xllcorner -180 yllcorner -90 cellsize 0....
1
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1answer
4k views

How to add images in CartoDB infowindows

Can't seem to get the default site to display images. I've added HTML anchor hrefs to a image column, for example: <a href="http:\\website\image1.png"></a> I've dragged the image column ...
2
votes
1answer
1k views

How to render points from CartoDB with Leaflet and Leaflet Vector Layers?

I have a table in CartoDB containing some points. I want to render these points dynamically with Leaflet. There is cartodb.js for such tasks, but it does not support full customization of Tooltips, as ...