Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread Robert Bray
These items are also supported in SDF today: - SRS is a must, complete projection parameters (stored as WKT). - full set of attibute types (c, int2, int4, int8, float, double, txt (i18l), date and timestamps (with gmt precise offset), blobs, ... - indexing (unique and non-unique) on key

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread P Kishor
On 11/14/07, Christopher Schmidt [EMAIL PROTECTED] wrote: On Wed, Nov 14, 2007 at 04:12:21AM -0600, [EMAIL PROTECTED] wrote: I would just love to click open and see something nice, specially if someone has already taken the time to make it beautiful. Think of it as the output of a word

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread P Kishor
disclaimer: I speak from a position of complete ignorance about SDF, so everything I might say could be wrong. On 11/14/07, Robert Bray [EMAIL PROTECTED] wrote: A little clarification on SDF, since it comes up once or twice in this thread. Jason's earlier descriptions of it's capabilities are

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread Frank Warmerdam
P Kishor wrote: I find two problems with Shapefiles -- one, that it is not in public domain (I am not even sure of what licensing there is on it), and while ESRI is not likely to pull a Unisys on us, it just is philosophically better to free if possible. Puneet, I think this is a red

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread David William Bitner
I never (I think I never did) argued that Shapefile is not open. I argued that it is not Free. I could be wrong. Here's the open published specification: http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf Do what you will with it. I don't know in this case what you imply by Free.

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread P Kishor
On 11/14/07, David William Bitner [EMAIL PROTECTED] wrote: I never (I think I never did) argued that Shapefile is not open. I argued that it is not Free. I could be wrong. Here's the open published specification: http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf yes,

RE: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread Michael P. Gerlek
I find two problems with Shapefiles -- one, that it is not in public domain (I am not even sure of what licensing there is on it), and while ESRI is not likely to pull a Unisys on us, it just is philosophically better to free if possible. I don't see this as an issue at all -- legally

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread Frank Warmerdam
Landon Blake wrote: P.S. - This is probably a crazy idea, but has anyone ever considered talking to ESRI about cooperating on an update Shapefile spec? Landon, I believe ESRI sees the file based geodatabase as filling roughly the role that the Shapefile played in the ArcView 3.x days. Of

RE: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread Landon Blake
Puneet wrote: Shall we focus on the technical limitations of Shapefiles in order to keep moving forward? I was going to add a couple of limitations in addition to the limitations of attribute data brought on by use of a DBF file as a storage container: [1] No way to store simple topology. [2] No

RE: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, opendata format

2007-11-14 Thread Landon Blake
It was just a thought. Like I said, it was probably a crazy idea. Landon -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Frank Warmerdam Sent: Wednesday, November 14, 2007 10:06 AM To: OSGeo Discussions Cc: [EMAIL PROTECTED] Subject: Re: [OSGeo-Discuss]

Re: [OSGeo-Discuss] Re: idea for an OSGeo project -- a new, open data format

2007-11-14 Thread Lucena, Ivan
Frank, I was watching this PyTables video [http://www.carabos.com/videos/pytables-1-intro] and one thought came to my mind: HDF5 can easily be used to store and retrieve vector, raster and attribute tables. We would need to standardize a schema tough. Best regards, Ivan PS. I am not that