[gdal-dev] Well known text format [Was: Re: Problem reading a '.bil' file]

[Aleksey Naumov]

Thank you for clarifying this for me, Frank. I'll send further questions to
sfcom-devel...

Aleksey

Frank Warmerdam wrote:

> Aleksey Naumov wrote:
> >
> > Thanks, Frank! It works now... very stupid of me :-)
> >
> > I have another question - about WKT, well known text format
> > for geometry. OGR has methods to deal with WKT in several classes,
> > like OGRPolygon::importFromWkt(). I can see what they do, but is
> > there a formal description of the WKT format somewhere? I am looking
> > in the current "OpenGIS Simple Features Specification for OLE/COM"
> > document, but see no description of WKT, only WKB. Where should
> > I look?
>
> Aleksey,
>
> Questions about OGR are better sent on the sfcom-dev at egroups.com list, though
> the line between OGR and GDAL is a bit blurry.
>
> There are a two well known text formats. One for coordinate systems (used
> through GDAL to represent projections), and one for vector geometry (used
> only with the OGRGeometry derived classes).
>
> As far as I know the well known text for geometry is defined only within the
> OGC Simple Features for SQL standard.
>
> When I started OGR presumptuously stood for "Open GIS Reference" as I hoped
> it might become a reference implementation of the some of the simple features
> specifications. Now it just stands for OGR, and the full name for the OGR
> portion of GDAL is the "OGR Simple Features Library".
>
> Best regards,
>
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up | Frank Warmerdam, warmerda at h...
> light and sound - activate the windows | http://members.home.com/warmerda
> and watch the world go round - Rush | Geospatial Programmer for Rent
>