Getting started with FOCUS_PEARL
|valid for FOCUS_PEARL_1.1.1
How PEARL works
PEARL contains a wizzard which can generate FOCUS scenarios
by guiding the user step by step through four screens: crops - locations
- substance/applications - project.
Detailed instructions for generating FOCUS scenarios can
be found in the PEARL Help (in main screen of PEARL user interface) following
FOCUS and Dutch standard scenario
Generating FOCUS runs.
Pearl has been tested on Win95, Win98 and WinNT 4 machines.
Pearl is likely to run on Win2000 machines. However,
this has not yet been tested
On WinNT 4 machines it is advised to have Administrator
Pearl requires an installation of Microsoft Access 97
(users who have installed Microsoft Access 2000 OVER an existing
Microsoft Access 97 installation are fine too).
Pearl requires at least 64 Mb internal memory, although
sometimes problems occur when viewing very large detailed output files
with 64 Mb.
Hard disk memory:
Pearl requires 45 Mb for installation, and around 40
Mb for running scenarios.
Monitor with at least 800x600, at 256 colours.
The faster the better.
See the ReadMe.Txt file that is part of the PEARL
The installation procedure is as follows:
If you accept all defaults, PEARL will be installed under
download the PEARL zip file
extract all files to some temporary directory at your local
run the Setup.exe program and follow on screen instructions
Pearl can now be started from the Start menu of Windows following
The PEARL user interface contains a Help button, which
gives detailed information about many aspects.
A user manual is provided as part of the software package:
Background information on the concepts can be found in:
Excerpt of existing model documentation related to FOCUS Groundwater
FOCUS (2000) FOCUS Groundwater scenarios in the EU plant
protection product review process. Report of the FOCUS Groundwater Scenarios
Workgroup. EC Document Reference Sanco/321/2000, 197 pp. Appendix E. Parameterisation