[postgis-users] Question about creating polylines

[Mark Cave-Ayland]

On Tue, 2007-02-06 at 15:41 +0100, Uwe Seher wrote:
> Hi group!
> 
> I am creating 3d- polylines from a lot of points, which are stored in a  
> table. These points represent the gps-paths of seismic measuring and have  
> an id that references the single profile. This work quite good. To create  
> the geometries i use the followimg statement:
> 
> linefrommultipoint(collect(geomfromewkt(((((('SRID = 31468; Point('::text  
> || t3.x_coord::text) || ' '::text) || t3.y_coord::text) || ' '::text) ||  
> t3.z_coord::text) || ')'::text))) AS geom
> 
> Now the question:  Some geometries aren't created, when there are more  
> then ~1300 points in one profile. Is there a upper boundary for points in  
> a line? Is there a workaround for that?
> 
> Thank you
> Uwe Seher


Hi Uwe,

If you think you have found a bug, please submit a .sql file contain a
set of SQL commands that we can run to reproduce the problem. Also,
which versions of PostgreSQL/PostGIS are you using?


Kind regards,

Mark.