Re: [postgis-users] Help in Defending FOSS SDI

2010-08-02 Thread Edward Mac Gillavry
Please feel free to provide your management with the technical design document for the SDI in the Netherlands. http://www.geonovum.nl/sites/default/files/MOT_20100618_TechnicalDesign_v1.01.pdf The document is in English, so you don't have to brush off your Dutch language skills. Also read

Re: [postgis-users] Help in Defending FOSS SDI

2010-08-02 Thread Mark Cave-Ayland
Ravi wrote: Some so called SDI experts feel that FOSS SDI cannot perform at-par with Proprietary SDI. Please provide examples to fight a case from an Indian state which swears by Free and Open Source Software. We can never expect a better level playing field. Kerala - India Here are some

Re: [postgis-users] Help in Defending FOSS SDI

2010-08-02 Thread Simon Greener
Gee, somebody is desperate. S On Mon, 02 Aug 2010 20:07:55 +1000, Mark Cave-Ayland mark.cave-ayl...@siriusit.co.uk wrote: Ravi wrote: Some so called SDI experts feel that FOSS SDI cannot perform at-par with Proprietary SDI. Please provide examples to fight a case from an Indian state which

Re: [postgis-users] Help in Defending FOSS SDI

2010-08-02 Thread Bèrto ëd Sèra
Hi all, one thing you may want to point out to the Indian Authorities is also that the phrase A highly scalable system may therefore be confronted with high license costs should be be understood according to what geoinformation is. A large system has a large number of potential external users,

Re: [postgis-users] Help in Defending FOSS SDI

2010-08-02 Thread Peter Baumann
For what it's worth: I cannot speak about FOSS in general, but for raster servers I dare to take position. Open-source rasdaman repeatedly has been reported to have a performance way superior to ArcSDE. Some more voices (look at the Oracle one!): “world leading technology. -- Aerovista France

[postgis-users] cruces de vias en tabla postgis.

2010-08-02 Thread FRANK RADA
Hola estoy contruyendo los sentidos en un tabla que almacena las vias de la zona centrica de una ciudad, los sentidos son simples, solo quiero saber como puedo modelar los cruces y los sentidos. he visto que en arcgis utilizan un par de columnas FROMLEFT, TOLEFT, FROMRIGHT, TORIGHT. Gracias.

[postgis-users] ST_Distance_Spheroid SRID

2010-08-02 Thread Francis Markham
Hi all, The documentation for ST_Distance_Spheroid ( http://postgis.refractions.net/docs/ST_Distance_Spheroid.html ) states that it does not look at the SRID of a geometry and will always assume its in WGS 80 long lat. What is WGS 80? Is it WGS-84, GRS-80, or something else entirely? Cheers,