[OSGeo-Discuss] Benefits raster data on RDBMS

2008-11-03 Thread Gilberto Camara
Dear all Concerning the benefits of having raster data stored together with vector data in a spatial database, let me first quote from an excellent paper from the late Jim Gray (Scientific Data Management in the Coming Decade): What’s wrong with files? Everything builds from files as a

[OSGeo-Discuss] Re: Raster data on RDBMS

2008-10-30 Thread Gilberto Camara
Dear all I would like to take a broader view of the issue of raster data in a DBMS. Issues of performance are relevant, but the benefits of having raster data on a DBMS are much more important. Consider that raster sensors and grid models are by far the dominant source of new geospatial data.

[OSGeo-Discuss] Re: scale of FOSS projects

2008-05-06 Thread Gilberto Camara
Dear all [EMAIL PROTECTED] stated: (...) In the past i've heard it suggested that really successful open source projects now need serious organisational backing. They can't be built by a network of partly-funded enthusiast contributors alone. (...) If this is inevitable, why? Is innovation

[OSGeo-Discuss] Image Handling in RDBMS

2008-02-22 Thread Gilberto Camara
Dear OSGEO I also beg to differ with Paul about the number of cases where image data handling in RDBMS is useful or necessary. In corporate applications where vectors and raster live together, and data processing and editing operations are used, handling different types of data together in a

[OSGeo-Discuss] RE: Open Geo Database

2008-01-23 Thread Gilberto Camara
Dear all Regarding the FOSS Geodatabase discussion, I would like to bring a different issue to the discussion. It concerns whether we should be concerned with broadening the number of FOSS databases that offer support for spatial data, or whether we should focus on deepening and increasing

[OSGeo-Discuss] Re: FOSS4GIS business models

2008-01-07 Thread Gilberto Camara
Dear Markus, Frank, and all I will try to dwell a bit further on some issues raised by Frank and Markus. Sorry for the long message. Certain issues deserve it... Message from Frank Warmerdam Comments from Gilberto (Frank) (...) But, I am left with the