[postgis-users] polygon creation

[Cedric BERNIER]

Hi all,

I need to create polygons made up circular arcs, is it possible to do this with postgis just like with
ORACLE spatial ?

Jonathan Lowe a écrit :

> Chris,
>
> You were right. Updating to the proper version of the library file solved
> the problem.
>
> Thanks very much,
>
> Jonathan
>
> ----------------------------------------------------------
>
> Is it possible that it is using an old library file, from when you perhaps
> had postgres
> 7.1 installed in the same directory? I would suggest this as a possibility
> because the
> ggeometry_consistent function is the first function defined in postgis.sql
> which changed
> in the library from 7.1 to 7.2. Check the date on the library file, and
> ensure that it is
> being copied correctly, and referenced correctly by the sql file.
>
> We have tested it on Solaris 6 on our SPARC  box, and it compiles,
> installs, and functions
> correctly, so it doesn't seem to be just a "Solaris bug".
>
> Chris
>
>
>                       Jonathan Lowe
>                                                To:       postgis-users at postgis.refractions.net
>                       05/08/2002 04:09         cc:
>                       PM                       From:     Jonathan Lowe/Oakland/IBM at IBMUS
>                                                Subject:  Error running postgis.sql and libpostgis.so.0.7
>
>
>
>
> Hello,
>
> An error is surfacing at the tail end of a PostGIS installation on a
> Solaris 2.7 platform with PostgreSQL 7.2.1 and postgis 0.7.0.
>
> The following commands were successful:
>       "make" (with the 72 switch set to "1")
>       "make install" (with a perl script fix of some DOS carriage return
> problems)
>       "createlang plpgsql <yourdatabase>"
>
> However, the command "psql -f postgis.sql -d <yourdatabase>" results in the
> following error:
>
> (...long list of various successful transactions...)
> BEGIN
> psql:postgis.sql:764: ERROR:  Can't find function ggeometry_consistent in
> file /local3/pgsql/lib/contrib/libpostgis.so.0.7
> BEGIN TRANSACTION;
> (...remaining function creation statements within this BEGIN work block
> aborted...)
>
> The path (/local3/pgsql/lib/contrib) and library file are correct and
> exist.
>
> The statement in the postgis.sql file raising the error is the following:
>
> -------- 7.2 GiST support functions
> create function ggeometry_consistent(opaque,GEOMETRY,int4) returns bool
> as '/local3/pgsql/lib/contrib/libpostgis.so.0.7'   language 'C';
>
> Commenting out these lines and running the postgis.sql file again results
> in a similar error for the next "create function" statement, which also
> relies on the libpostgis.so.0.7 file.
>
> Other archived discussions refer to this lib file, but not in the context
> of running postgis.sql.
>
> Any suggestions?
>
> Regards,
>
> Jonathan W. Lowe (jonathan at us.ibm.com)
> Senior IT Specialist, IBM Data Management
> --------------------------------------------------------------------------------------
>
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