[postgis] To Do List

Paul Ramsey pramsey at refractions.net
Mon Jun 11 08:14:32 PDT 2001


Hi Frank,
We're very much interested in seeing postgis hooked into Mapserver, as
it would provide an instant interface to our datastore. And when
conversing with the PHBs, an interface is important! (For some reason,
people just don't get all excited about the SQL commandline, I have no
idea why.) Is hooking into the maplayer.c abstraction difficult?

Frank Warmerdam wrote:
> 
> Paul Ramsey wrote:
> 
> > - Testing (DONE)
> >   Results of bounding box query on indexed table of 1million records:
> > returned so fast we cannot stopwatch it.
> > - Fix to VACUUM ANALYZE (DONE)
> > - gml() function and associated support type
> > - wkb() function and associated support type
> >   - testing of wkb() and binary cursors with libpq
> > - documentation
> >   - started moving structure over to docbook
> > - type() functions to return polygon/polyline/point, etc
> > - interface into the Minnesota mapserver
> 
> Paul,
> 
> I haven't built postgis yet, but I would like to comment on a few of the
> TODO items.
> 
> I have WKB parsing/building code in my OGR library (same code used to
> implement WKT and WKB functions in FME).  I don't know that it would make
> sense to add the OGR code to postgis, or just to reimplement.  Handling WKB
> isn't particularly hard.
> 
> I think the gml() idea is good, though I don't have much to add.
> 
> MapServer already can use "OGR datasources", which currently includes a
> quick hack on libpq for simple features style vectors in postgres.  I would
> like to "catch up" the postgres driver in OGR to match the schema maintained
> by postgis, so that MapServer can use this link to utilize postgis.
> 
> It may make sense to use OGR as a basis for some postgis related utilities,
> and as a data loader/unloader for some applications.
> 
> Best regards,
> 
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent
> 
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