OpenSIMPPLLE is a spatially explicit, landscape level, dynamic simulation system that is designed as a management tool to facilitate the use of landscape ecology concepts in designing and evaluating land management alternatives for a range of planning scales.

Latest News

June 30, 2017

Released version 1.3.11

  • Regeneration logic can now be loaded in isolation from a user knowledge file
  • Fixed null pointer exception thrown during simulations on certain habitat type groups
  • Fixed null pointer exception thrown while computing next EVU states
  • Fixed null pointer exception thrown when user knowledge loaded after a simulation

June 15, 2017

Released version 1.3.10

  • Fixed bug with Keane fire spread not respecting random number generator seed
  • Removed change java heap size from utilities menu
  • Added reporting of the index of from units to the EVU_SIM_DATA file
  • Added reporting of the regeneration rules index to the EVU_SIM_DATA file

January 19, 2017

Released version 1.3.9

  • Added missing paths and attributes to the simulation dialog
  • Fixed crash caused by limiting time steps in memory
  • Fixed text wrapping and resize behavior of knowledge source dialog
  • Renamed fire event logic menu item to fire spread, type, and spotting
  • Unified existing FMZ editors into a single dialog
  • Increased size of fire season probability dialog

Upcoming Features

Fall - Winter 2017

  • Dampen fire spread along boundaries to reduce 'pooling' effect
  • Save areas to a human-readable file format
  • Run OpenSIMPPLLE from the command line

Supported Geographic Areas

US map showing the regions covered by OpenSimpplle



The work on OpenSIMPPLLE has been partially supported by the USDA, Forest Service Northern Region, and the Rocky Mountain Research Station under agreement 12-CR-11015600-072.