[GRASS5] Re: [GRASSLIST:8620] Re: GRASS, gdal and mapserver
Stephan Holl
holl at gdf-hannover.de
Fri Oct 14 07:25:55 EDT 2005
Hello Francisco,
On Thu, 13 Oct 2005 20:56:03 +0200 Francisco Alonso <alonsarp at um.es>
wrote:
>
> > On 10/13/05, Francisco Alonso <alonsarp at um.es> wrote:
> > > El Viernes, 14 de Octubre de 2005 10:25, Radim Blazek escribió:
> > > > On 10/12/05, Francisco Alonso <alonsarp at um.es> wrote:
> > > > > # ogrinfo
> > > > > /var/www/grass5_mapserver/spearfish60/PERMANENT/vector/streams/head
> > > > > Warning 1: GRASS warning: GISBASE enviroment variable was not
> > > > > set, using: /usr/local/grass-6.0.1
> > > > > ogrinfo: relocation
> > > > > error: /usr/local/lib/gdalplugins/ogr_GRASS.so: undefined
> > > > > symbol: Vect_set_fatal_error
> > > >
>
> Ok I have it.
>
> After realizing that
>
> # ldd ogr_GRASS.so
>
> didn't mention the grass vector library I remembered that I had
> linked just the grass libraries needed by gdal. On the other hand the
> makefile I obtained with:
>
> ./configure --with-gdal=/usr/local/bin/gdal-config
> --with-grass=/usr/local/grass-6.0.1
>
> doesn't include any -lgrass_vect, so I put it myself just to try.
>
> After that ldd ogr_GRASS .so did complain about libgrass_vect. I
> linked it, and after some more links and incluiding
> -lgrass_dbmidriver in the LIBS line of the Makefile I have ogrinfo
> working properly:
>
> #
> ogrinfo /var/www/grass5_mapserver/spearfish60/PERMANENT/vector/streams/head
> Warning 1: GRASS warning: GISBASE enviroment variable was not set,
> using: /usr/local/grass-6.0.1 INFO: Open of
> `/var/www/grass5_mapserver/spearfish60/PERMANENT/vector/streams/head'
> using driver `GRASS' successful.
> 1: 0
> 2: 1
>
> Thanks a lot for your suggestions.
>
> I am still working on my other problem (mapserver not showing GRASS
> raster files that gdal can read)
>
> I tried to gdal_translate the spearfish soils layer to pcraster and
> reading it with mapserver (ugly colours but it worked) so it seem
> that grass-gdal connection works and mapserver-gdal also works.
>
> And now I have changed the roads layer definition in the map file to
> read the roads grass layer instead of shape (I'm workig with
> spearfish demo):
[...]
>
> but I have a prettty similar error message
>
> # /usr/local/mapserver-4.6.1/shp2img -m
> /var/www/grass5_mapserver/map-script/mapserver.map -o mapa.png
>
> msDrawMap(): Image handling error. Failed to draw layer named
> 'roads'. <br> msSHPOpenFile(): Unable to access file.
> (/var/www/grass5_mapserver/spearfish60/PERMANENT/vector/roads/head)
> <br> msSHPOpenFile(): Unable to access file.
> (/var/www/grass5_mapserver/spearfish60/PERMANENT/vector/roads/head)
> <br>
>
> but the file DO exist, do I need to specify in any way that it is a
> GRASS file?
>
> Do you know where you can download the files of the demo 2 accesible
> from http://grass.itc.it/start.html ?
>
> I will continue trying, but if anyone has suggestions ....
Try this:
Layer
NAME GRASSVektor
TYPE LINE
CONNECTIONTYPE OGR
CONNECTION /path/to/location/mapset/vector/map/head
DATA "1"
gml_include_items all
DUMP true
METADATA
wfs_title ?GRASS_vektor?
...
END
CLASS
END
...
END
Best
Stephan
--
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