Top "Geospatial" questions

pertaining to the geographic location and characteristics of natural or constructed features and boundaries on, above, or below the earth's surface; esp.

Convert CSV to mongoimport-friendly JSON using Python

I have a 300 mb CSV with 3 million rows worth of city information from Geonames.org. I am trying to convert …

python json csv geospatial mongoimport
PostGIS: register a "geometry" column without AddGeometryColumn

The usual way to create a geometry column is AddGeometryColumn, however I have to work with pre-existing columns, so I …

sql postgresql geospatial postgis geography
Calculating Great-Circle Distance with SQLite

Here is my problem, I have a SQLite table with locations and latitudes / longitudes. Basically I need to: SELECT location, …

php sqlite pdo geospatial haversine
Sql Server spatial data type Geometry, STDistance and units : Get meters?

I'm using Sql server 2012 and google maps client-side, I use SRID 3785, as it's mercator that maps uses. I use geometry …

sql-server geometry geospatial spatial geography
Smoothing out ggplot2 map

Previous Posts Cleaning up a map using geom_tile Get boundaries to come through on states Problem/Question I'm trying …

r ggplot2 geospatial interpolation
MongoDB geo distance/radius to useful units

I'm using MongoDB geospatial queries -- $near, geoNear, etc. -- and I'd like to know how to turn the dis …

mongodb geospatial human-readable
How to use linear interpolation estimate current position between two Geo Coordinates?

I have the following available: last reported lat,lon w/timestamp target lat,lon estimated time to target heading How …

language-agnostic math geospatial estimation interpolation
What are some efficient Geohash bounding box coverage algorithms?

My requirement is: Given a lat-lon bounding box, return a set of geohashes such that: The number of geohashes in …

map geolocation gis geospatial geohashing
How can I remove border lines when using geom_sf?

I tried doing the following: ggplot(geography) + geom_sf(aes(fill=rate, color = NULL)) but that didn't get rid of …

r ggplot2 geospatial
openlayers - wms - map not loading

I've created a simple site with a map where I'm connecting to a wms-server. The problem is now, that the …

javascript geospatial openlayers wms