[postgis-users] Raster displaced when loading or make a new one

Pierre Racine Pierre.Racine at sbf.ulaval.ca
Mon Feb 20 10:18:19 PST 2012


Is this happening with any raster or just with a specific one (or a set of specific ones)?

Is this is only happening with a specific one, could we have it?

> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-
> bounces at postgis.refractions.net] On Behalf Of Jose Carlos Martinez
> Sent: Monday, February 20, 2012 7:35 AM
> To: PostGIS Users Discussion
> Subject: [postgis-users] Raster displaced when loading or make a new one
> 
> Hi,
> Im getting a problem with raster in PostGIS 2.0, r9200.
>   POSTGIS="2.0.0alpha6SVN" GEOS="3.3.2-CAPI-1.7.2" PROJ="Rel. 4.7.1, 23
> September 2009" GDAL="GDAL 1.9.0, released 2011/12/29" LIBXML="2.7.8"
> USE_STATS
> 
> I have loaded a raster file successfully. The layer is dem1 and the raster column
> is rast.
> The  when I try to make any new raster from this one, even just a copy of it:
> 
> alter table dem1 add column rast1 raster; update dem1 set rast1 = rast; --
> UPDATE 132 select addrasterconstraints ('dem1','rast1');
> 
> I got the new raster 'rast1' displaced.
> Dont know what im doing wrong. QGIS and GDAL_translate to png show the
> same problem (maybe its no a postgis problem but a gdal problem?):
> I uploaded a pdf with the images [1].
> 
> PD: Im having similar problems when I try to load a tif raster to PostGIS.
> 
> [1]
> http://intercambio.upv.es/download.php?id=35c292331b627e462c1d5d92187bf
> 492
> 
> 
> The constrains are the same in both:
> ra1=# \d dem1
>                            Table "public.dem1"
>   Column |  Type   |                     Modifiers
> --------+---------+----------------------------------------------------
>   rid    | integer | not null default nextval('dem1_rid_seq'::regclass)
>   rast   | raster  |
>   rast1  | raster  |
> Indexes:
>      "dem1_pkey" PRIMARY KEY, btree (rid) Check constraints:
>      "enforce_height_rast" CHECK (st_height(rast) = 100)
>      "enforce_height_rast1" CHECK (st_height(rast1) = 100)
>      "enforce_max_extent_rast" CHECK (st_coveredby(st_convexhull(rast),
> '0103000020E76400000100000005000000C09AA2803CA41A4104D63FE70A7950
> 41C09AA2803CA41A4104D63FE776E45041604D51409EFB204104D63FE776E450
> 41604D51409EFB204104D63FE70A795041C09AA2803CA41A4104D63FE70A7950
> 41'::geometry))
>      "enforce_max_extent_rast1" CHECK
> (st_coveredby(st_convexhull(rast1),
> '0103000020E76400000100000005000000C09AA2803CA41A4104D63FE70A7950
> 41C09AA2803CA41A4104D63FE776E45041604D51409EFB204104D63FE776E450
> 41604D51409EFB204104D63FE70A795041C09AA2803CA41A4104D63FE70A7950
> 41'::geometry))
>      "enforce_nodata_values_rast" CHECK
> (_raster_constraint_nodata_values(rast)::numeric(16,10)[] =
> '{32767}'::numeric(16,10)[])
>      "enforce_nodata_values_rast1" CHECK
> (_raster_constraint_nodata_values(rast1)::numeric(16,10)[] =
> '{32767}'::numeric(16,10)[])
>      "enforce_num_bands_rast" CHECK (st_numbands(rast) = 1)
>      "enforce_num_bands_rast1" CHECK (st_numbands(rast1) = 1)
>      "enforce_out_db_rast" CHECK (_raster_constraint_out_db(rast) =
> '{f}'::boolean[])
>      "enforce_out_db_rast1" CHECK (_raster_constraint_out_db(rast1) =
> '{f}'::boolean[])
>      "enforce_pixel_types_rast" CHECK
> (_raster_constraint_pixel_types(rast) = '{16BSI}'::text[])
>      "enforce_pixel_types_rast1" CHECK
> (_raster_constraint_pixel_types(rast1) = '{16BSI}'::text[])
>      "enforce_same_alignment_rast" CHECK (st_samealignment(rast,
> '0100000000000000000000594000000000000059C0C09AA2803CA41A4104D63F
> E776E4504100000000000000000000000000000000E764000001000100'::raster)
> )
>      "enforce_same_alignment_rast1" CHECK (st_samealignment(rast1,
> '0100000000000000000000594000000000000059C0C09AA280FC781C4104D63F
> E7EED0504100000000000000000000000000000000E764000001000100'::raster)
> )
>      "enforce_scalex_rast" CHECK (st_scalex(rast)::numeric(16,10) =
> 100::numeric(16,10))
>      "enforce_scalex_rast1" CHECK (st_scalex(rast1)::numeric(16,10) =
> 100::numeric(16,10))
>      "enforce_scaley_rast" CHECK (st_scaley(rast)::numeric(16,10) =
> (-100)::numeric(16,10))
>      "enforce_scaley_rast1" CHECK (st_scaley(rast1)::numeric(16,10) =
> (-100)::numeric(16,10))
>      "enforce_srid_rast" CHECK (st_srid(rast) = 25831)
>      "enforce_srid_rast1" CHECK (st_srid(rast1) = 25831)
>      "enforce_width_rast" CHECK (st_width(rast) = 100)
>      "enforce_width_rast1" CHECK (st_width(rast1) = 100)
> 
> Best,
> Jose
> 
> 
> 
> 
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users



More information about the postgis-users mailing list