Spatial Solutions Architect and Database Expert
Oracle Spatial has, for many versions, made available an implementation of the OpenGIS SFS type hierarchy. Today I will show how to use this type hierarchy do extract points from an SDO_GEOMETRY. The first example extracts the first and last point from a linestring constructed from Well Known Text. The second example finds the firstRead More
Recently I was asked to review a database migration from one vendor’s database to another’s. The conversion involved geospatial data and database internal representations. I am not going to talk about who the client was, or what actually transpired, but the final report I submitted was edited by the client and the phrase “to industry-bestRead More
There is a discussion going on on LinkekIn about GIS and cloud computing. I responded to the posts and include my comments (which should be read in light of the threads themselves) as follows. The reason is because I have been thinking about the failure (or silence) about whether any update functions (eg the variouslyRead More