comment:
This is an IPAT-S script. IPAT-S is an open-source scripting language
for developing sustainability scenarios. It can be run using the free
IPAT-S software, available from:

	http://ipat-s.kb-creative.net/

For more information, please contact the author of IPAT-S,
Eric Kemp-Benedict (eric@kb-creative.net)
:comment

comment:
The "loglet" procedure in the IPAT-S standard library implements
a time series as a sum of logistic curves (a "loglet" decomposition).

For information on the loglet approach, and to download the LogletLab
software, go to http://phe.rockefeller.edu/LogletLab/.
:comment

base year 2000
scenario years 2010 2020 2030

load _Loglet from 'IPATS_standard.dll' as Loglet

summvar x

#
# To use the Loglet procedure, specify for each term:
#
#    max value, characteristic duration (in years), midpoint (year)
#
# An arbitrary number of terms can be introduced
#

call Loglet using x  \
                  100 	25 	2015 \
                  150 	15 	2025 \
                  30 	5 	2020

report x as "x"