Managing catchments.dbf of GREAT-ER 1
The small datafile catchments.dbf of GREAT-ER 1.0.x
(placed in %GHOME%\catchments)defines the set of
installed catchments and is used
for selections. The file stores the catchments ID,
the directory where it is installed and the country
for which background data can be shown.
||ID of catchment, used for selection in user interface
||Directory name where catchment is installed (which is in %GHOME%\catchments)
||Country code (directory name in %GHOME%\overview, e.g. "de" for
Germany, "uk" for United Kingdom, which the ArcInfo coverages
pppoint, pppoly, rdline, rrline of VMAPL0 (DCW)).
The background data can be download e.g. from
How to create
From a simple text file ('catchments.txt') with tabulator as delimiter such as
the dbf-file ('catchments.dbf') can be created using e.g.
ID dir country
Aire aire uk
Calder calder uk
Don don uk
Itter itter de
Lambro lambro it
txt2dbf -C20 -C20 -C5 -v catchments.txt catchments.dbf
How to merge
Adding a catchment dataset to a GREAT-ER installation sometimes
includes the problem to join the contents of two lists
This could be done in various ways with tools that can read and write
One option is to use the counterpart of txt2dbf,
to create text files that can easily be merged with a text editor.