Tagged Questions

0
votes
1answer
41 views

Correlation and terrain databases [duplicate]

I would like to know what kind of computation I could perform on a terrain database. I'm making terrain for VBS2 from raw data (shp files and DTM Elevation files) and then I'd like to be able to check ...
13
votes
5answers
310 views

What in-depth spatial database systems tutorials exist?

Is there a good tutorial that explains in depth the internals of a GIS and a spatial database system such as PostGIS with examples and without any background assumption? I'm specifically looking for ...
1
vote
0answers
115 views

What is the best way to create polygons on a map and download files associated with the polygon?

My client wants to build a tourist site and for that he wants a backoffice for the map and the ability to draw polygons on the map (that user can see). When the user clicks on a polygon, he gets a ...
1
vote
1answer
226 views

Is the PostGIS Shapefile Import Manager able to upload to phpmyadmin or only pgadmin III?

After trying to import a shapefile into pgadmin III with no success I was wondering how to successfully upload it, but also if it is possible to upload to phpmyadmin instead. In any case, how exactly ...
0
votes
1answer
139 views

Does a polygon in a layer intersect with another polygon in the same layer [closed]

I am a CS major with little experience in GIS. I am working on vector polygon overlay. Looking at GML and shapefile data, I realized that a map is made up of a large number of polygons. Does a polygon ...
8
votes
4answers
673 views

Fastest spatial storage format?

I am wondering what storage method will result in the fastest reading of the map vectors for rendering. SHP? PostGres? SQLite? (They do not change often and I do not need spatial functions for these ...
12
votes
3answers
788 views

Centralizing shapefile data into database

I've got hundreds of shapefiles from various different GIS projects that I want to start consolidating into a single database platform, currently attempting this with Postgres / PostGIS. Hardly any ...