A term widely used to describe the combination of spatial software and analytical methods with terrestrial or geographic datasets

learn more… | top users | synonyms

2
votes
2answers
463 views

What's a good way store borehole data in SQLite / SpatiaLite?

I have a bunch of bores / wells with downhole data. The 'header' info for each borehole can easily go into a single table, but I'm wondering how best to store the downhole log data. Typically they are ...
1
vote
2answers
903 views

Openlayers Vector Layer Polygons not displaying properly with OSM

So I have an Openlayers map displaying Acetate tiles in OSM, and I'm drawing polygon regions on a vector layer to represent the countries of the world. This works fine for the most part, however, ...
10
votes
4answers
21k views

How to add a simple WFS layer from GeoServer to OpenLayers map?

I'm trying to add one of the included datasets with GeoServer to an OpenLayers map. I've followed the OpenGeo tutorials, seen similar thread on here, but I can't seem to crack it. Can somebody take a ...
4
votes
3answers
4k views

How do I determine the center point of several features in OpenLayers?

I have several polygons being drawn on a map, usually representing a country or province or state. Depending on some chosen data, different regions may be selected, so what I was hoping is that ...
2
votes
4answers
2k views

How can I transform some KML data to Sql Server 2008 using FME?

I've just downloaded FME 14 day trial. I'm trying to see how easy/hard it is to transform some KML data (a simple neighbourhood shape) into my Sql Server 2008 database using FME. I sorta don't even ...
6
votes
4answers
2k views

Point in polygon algorithm for multiple polygons

I've a Google map with bunch of polygons on it. Here is a problem I'm interested in: Given a lat,lng point, what's the best way to determine all the polygons that this point lies in? The obvious way ...
8
votes
3answers
1k views

Are large companies successfully using SQL Server GeoSpatial functionality?

I am working on a project where I have to allow users to find things that are near by. In the past I have just manually stored lat/longs and done my own calculations but I'm curious if it's worth ...
4
votes
1answer
3k views

Why is my PostGIS query not using a spatial index?

I am having an issue with a spatial query that is not making use of indexes. My schema is: CREATE TABLE geoplanet_place ( woeid integer NOT NULL, "name" character varying(300) NOT NULL, ...
6
votes
1answer
212 views

Predict user's future location - location awareness mobile computing

This question is a part of an online course (Mobility Data Management) that I am currently auditing. A part of the project is to implement a system that can predict user's future location. This kind ...
4
votes
0answers
1k views

Examples of GIS Visualisation [closed]

Examples of GIS Visualisation [This is a community wiki post, you are inviting other members of the community to edit it - not just to correct spelling or improve formatting] Example: Dr. John Snow ...
18
votes
2answers
387 views

How does Watson solve Geography problems?

In spite of losing to humans on the geography question, Watson still won Jeopardy. The explanations regarding this incorrect answer seem a bit lame to me (at 3:40 in the video). With a logo like ...