These release notes describe the new features and improvements, operating system requirements, and installation type for XPRafts 2018.1.1.

New Features and Improvements

  • Added additional support for ARR2016 spatially varying rainfall.
  • Created an Ensemble Statistics Utility to analyze ARR2016 ensemble results.
  • Updated the C++ runtime to C++ 2017 edition.
  • Updated XPDiagnostic to most recent version.
  • Increased the number of stacked storms that can be solved in the engine from 3000 to 10000.
  • Added the ability for the ARR2016 Storm Generator to handle and generate catchment dependent rainfall data.
  • Initial and Continuing losses are now imported when importing data from the ARR data hub.
  • Ensemble statistics selects the first highlighted node by default.
  • Users can now highlight and delete multiple rows in stacked storm at the same time.
  • Added an entry in XPTABLES to set the Subcatchment Location for ARR2016 Catchment Dependent Rainfall models.
  • The ensemble statistics utility will now filter the ensembles based on location to give meaningful statistics for catchment dependent rainfall models.
  • Improved retarding basin documentation. 


  • Fixed a bug where the engine would not solve if file paths were longer than 80 characters or contained periods.
  • Fixed a bug where the catchment data was sometimes not being exported correctly.
  • Fixed a bug where the total area of catchments 1 and 2 with non-completely pervious/impervious areas would sometimes be miscalculated.
  • Fixed a bug where text was missing from the Retarding Basin dialog window.
  • The Y-axis range of Box Plot results is now based on the selected AEP, rather than all AEPs.
  • Renamed Automatic Storm Generator in XPRafts to ARR87 Automatic Storm Generator.
  • Fixed a bug where hydsys files were not being read correctly.
  • Updated the EULA to replace XP Solutions with Innovyze.
  • Fixed a bug where data was not always being copied correctly when duplicating a rafts storm in Global data.
  • Fixed a bug where duplicating a stage/discharge rating curve would not copy all the data correctly.
  • Fixed a bug where the dialog window for 10 unequal subareas was not displayed correctly.
  • Fixed a bug where trying to stop the XPRafts engine prematurely could crash the software.
  • Added a feature to enable/disable all stacked storms in Global Storms window.
  • Renamed the Description column in Global Storms to AEP for use in the Ensemble Statistics Utility.
  • Fixed a bug where some stacked storms were not correctly selected when opening an XPRafts 2013 model in 2018.
  • Fixed a bug where certain flags were not set correctly when importing a model from 2013.
  • When importing storms from the storm generator, the number of iterations is set to 1.5 times the total duration of the storm (burst plus preburst duration).
  • Extended the width of the storm name drop-down in Review Results to handle longer named storms.
  • Imported storms from Storm Generator are now ticked on by default.
  • Improved the visibility of progress bars in the UI for longer running processes.
  • Added a check before replacing all storms when importing from Storm Generator.
  • Increased the width of the Number of Intervals column in stacked storms to handle larger values.
  • Fixed an issue where an empty internal field was selectable as an XPTABLES variable.
  • Increased the width of the Stacked Storms drop-down list to handle longer storm and ensemble names.
  • The build number is now visible within the XPRafts UI.
  • Added a message to notify the user when unable to find a valid Sentinel lock (either local or network) during program start up.
  • Fixed a bug where the Ensemble Statistics Utility would sometimes return the incorrect but similarly named node to the one highlighted.
  • The global storm name is now shown in the engine solve dialogue.
  • Fixed a bug where the names of selected stacked storms were not being written correctly to the dat file, causing the engine to crash.
  • Fixed a bug where trying to print a graph in XPRafts would sometimes crash the application.

Operating System Requirements

This installer for XPRafts 2018.1.1 will run on:

  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows 10

All of them 32 and 64 bits.

Installation Type

XPRafts 2018.1.1 is available in two installations:

  • Local - requires Sentinal lock and client specific configuration file.
  • Network - requires Sentinal lock and client specific configuration file.

For any issues encountered during installation, contact our Support.