[postgis-users] [Raster] MNT 250 IGNF data import problem
Yves Jacolin
yves.jacolin at camptocamp.com
Tue Oct 22 04:47:32 PDT 2013
Hello list,
I am currently trying importing french IGN MNT 250 into a postgis database (v
2.0.1):
raster2pgsql -b 1 -s 2154 -I -C -t 100x100 MNT250_L93_FRANCE.ASC raster.mnt250
| psql -d formation
When testing my raster layer I get strange result:
SELECT rid, band, (stats).*
FROM (SELECT rid, band, ST_SummaryStats(rast, band) As stats
FROM raster.mnt250 CROSS JOIN generate_series(1,3) As band
WHERE rid=2) As foo;
NOTICE: Invalid band index (must use 1-based). Returning NULL
CONTEXT: SQL function "st_summarystats" statement 1
[several time]
rid | band | count | sum | mean | stddev | min | max
-----+------+-------+-----+------+--------+-----+-----
2 | 1 | 10000 | 0 | 0 | 0 | 0 | 0
2 | 2 | | | | | |
2 | 3 | | | | | |
QGIS can't display my layer (well the layer seems white) and if I request my
layer I get some weird value (224964728 for example).
In QGIS log, I have:
ERROR 1: PG: dbname=formation host=localhost user=yjacolin password= port=5432
mode=2 schema=raster table=mnt250, band 1: IReadBlock failed at X offset 32, Y
offset 29
ERROR 1: Error retrieving raster data from database
Any idea why this is not working as expected?
When I use raster2pgsql I get this message:
raster2pgsql: /usr/local/lib/libgdal.so.1: no version information available
(required by raster2pgsql)
I built gdal but not postgis.
Thanks,
Y.
--
Responsable Formation et Support
Camptocamp France SAS
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73377 Le Bourget du Lac, Cedex
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Mail : yves.jacolin at camptocamp.com
http://www.camptocamp.com
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