Compile and install GDAL-GRASS plugin: Difference between revisions

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(link to plugin conf script)
(proj datum files)
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The install order should be kept due to inter-dependencies between the packages. Please keep the order or install all in a single step:
The install order should be kept due to inter-dependencies between the packages. Please keep the order or install all in a single step:


# [http://proj.maptools.org PROJ4]
# [http://proj.maptools.org PROJ4] with [ftp://ftp.remotesensing.org/proj/proj-datumgrid-1.3.zip Datum grids] (expand in nad/ before compiling)
# Optional: [http://geos.refractions.net GEOS]
# Optional: [http://geos.refractions.net GEOS]
# Optional: [http://www.postgresql.org PostgreSQL], [http://www.mysql.org mySQL], [http://www.unixodbc.org unixODBC], [http://www.sqlite.org SQLite] (SQLite is needed for QGIS)
# Optional: [http://www.postgresql.org PostgreSQL], [http://www.mysql.org mySQL], [http://www.unixodbc.org unixODBC], [http://www.sqlite.org SQLite] (SQLite is needed for QGIS)

Revision as of 16:35, 30 August 2006

In general, try to find precompiled packages (i.e., RPMs for most Linuxes, .deb for Debian, Install packages for MS-Windows etc). Check the GRASS download site for software providers.

Compilation

The compilation order should be kept due to inter-dependencies between the packages. Please keep the order as seen below. GRASS compilation is explained in Compile and Install.

Installation

The install order should be kept due to inter-dependencies between the packages. Please keep the order or install all in a single step:

  1. PROJ4 with Datum grids (expand in nad/ before compiling)
  2. Optional: GEOS
  3. Optional: PostgreSQL, mySQL, unixODBC, SQLite (SQLite is needed for QGIS)
  4. GDAL/OGR without GRASS support
  5. GRASS 6
  6. GDAL/OGR-GRASS plugin - file: gdal-grass-1.3.1.1.tar.gz (or later) [1] NOTE: the plugin needs to see the GRASS libraries . The best way is to add a file 'grass6.conf' into the directory /etc/ld.so.conf.d (edit as root) which contains the path to the GRASS libraries; then run 'ldconfig'. A script to configure/install easily can be found here.
  7. QGIS with GRASS support

[1] New plugin version as of 19 Oct 2005, requires GDAL 1.3.1 or later

Usage of the plugin

  • GDAL: gdalinfo grassdata/spearfish60/PERMANENT/cellhd/aspect
  • OGR: ogrinfo -ro -so grassdata/spearfish60/PERMANENT/vector/roads/head
  • GRASS: only needs it for r.out.gdal
  • Mapserver: should see both raster and vector maps, define connection properly in the .map file
  • QGIS: needs it only for raster data

Troubleshooting

All stuff installed but QGIS doesn't see GRASS or r.out.gdal doesn't work?

  • Check if GDAL finds the plugin:
        gdal_translate --formats | grep -i grass
        GRASS (ro): GRASS Database Rasters (5.7+)
  • Check if the GRASS libs are found by the plugin. All libraries should be found (maybe you forgot to run 'ldconfig' if you didn't install from RPMs?):
        ldd /usr/lib/gdalplugins/gdal_GRASS.so
        ldd /usr/lib/gdalplugins/ogr_GRASS.so
  • Check if the GRASS plugins are in the right directory (check the 'Auto register' directory reported in the output):
        export CPL_DEBUG=on
        ogrinfo -summary $HOME/grassdata/spearfish60/PERMANENT/vector/roads/head

Further Instructions

If you are still having trouble, please also visit "GRASS for Fedora Core 4" for more detailed GRASS and GDAL compilation and installation instructions developed by Isaac Ullah for Fedora Core 4.

There are good instructions on source code compiling here http://casoilresource.lawr.ucdavis.edu/drupal/node/123

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