Top "Spatial" questions

Spatial data types store geometric data, that is data related to an object's position in space.

What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?

I'm designing a table in SQL Server 2008 that will store a list of users and a Google Maps co-ordinate (longitude &…

sql-server sql-server-2008 latitude-longitude spatial
Simple way to subset SpatialPolygonsDataFrame (i.e. delete polygons) by attribute in R

I would like simply delete some polygons from a SpatialPolygonsDataFrame object based on corresponding attribute values in the @data data …

r mapping spatial maptools
Inverse Distance Weighted (IDW) Interpolation with Python

The Question: What is the best way to calculate inverse distance weighted (IDW) interpolation in Python, for point locations? Some …

python numpy scipy spatial interpolation
SQL Server 2008 Spatial: find a point in polygon

I am using SQL Server 2008 spatial data types. I have a table with all States (as polygons) as data type …

sql-server sql-server-2008 sql-server-2008-r2 geospatial spatial
Crop for SpatialPolygonsDataFrame

I have two SpatialPolygonsDataFrame files: dat1, dat2 extent(dat1) class : Extent xmin : -180 xmax : 180 ymin : -90 ymax : 90 extent(dat2) class : …

r crop spatial
MySQL INSERT/UPDATE on POINT column

I'm trying to populate my DB with geographical places of my country. One of my tables have 4 fields: ID[PK], …

mysql sql geospatial spatial mysql-error-1416
Create SpatialPointsDataframe

I have a dataframe df1 with 10 columns. Two of these columns are lng and lat. I want to create a …

r geospatial spatial sp
Confused between Temporal and Spatial locality in real life code

I was reading this question, I wanted to ask more about the code that he showed i.e for(i = 0; …

computer-science spatial computer-architecture temporal
Google maps spatial reference system

What is Google map's spatial reference system using when you enter a lat, long into the maps search bar? I've …

google-maps spatial geotools
How to convert a spatial dataframe back to normal dataframe?

This is a basic question but unfortunately I could not find the relevant command elsewhere. Is there a way i …

r type-conversion dataframe spatial