What do I need to consider when deciding how to preserve paper maps safely from the ravages of time? I am trying to understand some best practices when it comes to archiving and storing paper maps. ...
I've faced with the following problem. I have to migrate from Oracle database to PostgreSQL+PostGIS. Currently all geometries of all types are stored in one table and each record contains "lid" field ...
In the GIS world, for most modern formats and Standards (e.g., Shapefiles, WKB/WKT, GML, KML, etc.), valid polygons need to have closed linear rings, which is a linestring of coordinates where the ...
I would like to ask anyone out there who knows of a good free website that allows me to upload my gis data files to co-worker. Each project I am working on are quite large and would need to upload 1 ...
I am currently looking into online/cloud-based storage solutions in general and also for my GIS data which consists of shapefiles, rasters, file geodatabases, and the like (no relational databases). ...
If the user moves the mouse pointer to the top left corner of the screen, I want my software to auto-load the three tiles that are closest to the mouse pointer. My assumptions are that the smaller are ...
How do you manage your geospatial data? I have terrabytes of data spread out over hundreds of datasets, and have an ad-hoc solution using symbolic links within projects which link back to an ...