ENVI-met Update History

ENVI-met updates for version 5.6.1 (Winter 23/24)

Updates

HeadQuarter/Workspace Manager
  • Bugfix: Workspace and projects could not be created properly

ENVI-met updates for version 5.6 (Winter 23/24)

Updates

ENVI-core
  • Improved SVF analysis using Steyn alorithm
  • Improved IVS: Higher accuracy also following Steyn algorithm
  • Much higher accuracy and improved directional radiation fluxes for non-IVS simulations
  • Improved Full Forcing: Increased wind forcing stability as well as higher computational speed
  • Dry Soil (0 % soil humidity) can now be simulated. Before it has always been limited to wilting point humidity
  • Added MRT variable to radiation output folder for convenience
  • Rel. Humidity from EPW Full Forcing is now limiting values to max. 100 %
  • Added an option to the SIMX file to limit TKE to positive values only (enabled by default, changeable in the Expert section of the ENVIguide); this option strongly increases simulation stability
  • Bugfix: Simulation now runs, even if no user pollutant type is selected
  • Bugfix: Coefficient calculation at building/ground surfaces updated, which causes more heat to be transported from surface to air; air temperature increase is now larger than before for impervious areas
  • Bugfix: Building cells with zBottom > zTop are not gridded anymore
  • Bugfix: Gridding bugfixes to prevent issues with T0 invalid temperature inside building: Prevents atmosphere cells enclosed by buildings cell (originating from external plugins) to be handled as atmosphere to avoid crashes → these cells are now filled with building cells
  • Bugfix: Amount of received LW radiation of plants corrected
LEONARDO
  • Added new feature Multi Data Maps to store several time slices of data in one map
  • Datalayer is now default visualized as floating legend
  • To avoid ouliers to distort legend, min and max values of floating legend are stretched between 1 and 99 percentile
  • Display and export animations of Multi Data Maps
  • New version of Classification dialog with enhanced options and GUI implementation
BIO-met
  • Dynamic Thermal Comfort: Added option to classify values for walks
  • Minor bugfixes
SPACES
  • Bugfix: Get Location button fixed to automatically fill in model area coordinates as well as timezone longitude
  • Bugfix: Z-SingleWalls could not be removed
  • Bugfix: Model Area Analyzer could not be opened with enabled telescoping
  • Bugfix: Cut Area tool did not shift all indices (for example for soil profiles) correctly
ENVIguide
  • GUI now has a larger temporal update interval at the Full Forcing page to allow easier selection/loading of FOX files
  • Bugfix: Loading of SIMX with disabled IVS automatically enabled IVS again, which is now removed

ENVI-met updates for version 5.5.1 (Summer 23)

Updates

ENVI-core
  • Improved wind flow stability
  • Increased simulation speed due to code optimization)
  • Disabled evapotranspiration for plants without roots
  • Bugfix for ACRT module for handling the solar altitude angle of exactly 0 degree
  • Improved soil model and plant root model (water uptake of plants)
  • FullForcing, improved profile calculation, better file format, no time interval restrictions anymore
BIO-met
  • Added minimize/maximize window option
SPACES
  • Bugfix for Model Inspector in Spaces for telescoped model areas
  • Bugfix: Removing Z-direction Single Walls was not possible
DBManager
  • Changes in tree database:
  • Lowered amount of filled LAD cells for Abstract Trees to reduce their overall density
  • Lowered overall LAD values for all Abstract Trees (also Legacy) and some dense simple plants due to turbulence issues with ultra-high-density plants
  • Corrected leaf type to conifer for Abstract Conifers

ENVI-met updates for version 5.5 (Summer 23)

Updates

ENVI-core
  • Improvement of longwave radiation calculation, mainly affecting nocturnal urban heat island and improving MRT accuracy
  • Improved border inflow and wind conditions: Increased stability for low wind conditions (below to 1 m/s) and high wind conditions (more than 5 m/s)
  • Improved vertical wind profiles for model areas with DEM / terrain (vertical wind profiles are now terrain following)
  • Overhaul of greening module (including a detailled technical paper and new output variables)
  • Improved soil model and plant root model (water uptake of plants)
  • FullForcing, improved profile calculation, better file format, no time interval restrictions anymore
BIO-met
  • Introduction of Dynamic Thermal Comfort Analysis of moving persons (dPET)
LEONARDO
  • Added classified data for datalayer
  • Added new color ramps
  • Re-Introduction of reading Solargram (.SI) files created at receptors (use Map Manager)
  • Added direct script access
SPACES
  • New full 3D build mode: Block based construction
DBManager
  • Complete overhaul of database
Plug-Ins
  • Introduction of a new Plug-In for QGIS

Minor Changes

General
  • Added a new splash screen for all apps
ENVI-core
  • Fixed small bug in diffuse component of MRT
  • Added / changed output folder stucture
  • Simulation now runs with IVS by default
  • netCDF uses old grid mapping
Datastudio
  • Improved object explorer
SPACES
  • Fixed bug in 2D digitization
DBManager
  • Database items are structured in groups
  • Added new field “cost” for database items
BIO-met
  • netCDF files with other than 60 minute intervals can now be written

ENVI-met updates for version 5.1.1 (Winter 22/23)

Updates

ENVI-core
  • Added a more sophisticated alert to warn users of disc space running out. Simulation will try to continue even if disc space is too low - however new simulation outputs can only be written when enough space is available again

Bugfixes

ENVI-core
  • CO2 ppm output field corrected
  • Vertical interpolation of wind speed in full forcing corrected
BIO-met
  • NetCDF could not be selected as an additional output
Spaces
  • Digitization was impaired as only diagonal mouse movements were detected
DB Manager
  • Single Walls in system database were not referring to valid materials
Headquarter
  • Auto-Updater showed a scripting error
Forcing Manager
  • Scaling on High-DPI devices was not working
ENVI-guide
  • Selection of workspace and open Workspace button were not anchored correctly

ENVI-met updates for version 5.1 (Winter 22/23)

Major Updates

BIO-met
  • Complete Redesign of graphical user interface now matching the V5 concept.
  • Reworked/Recoded PET module
Spaces
  • Added option to create Building Performance Simulation outputs for specific buildings
  • Added an advanced search for trees e.g. by size, LAD, type
  • Introducted Makers as bookmarks in the model (not used yet)
DB Manager
  • Added leaf emissivity as database property
  • Converted the Database from ANSI to UTF-8
Albero
  • Added leaf emissivity as database property
  • Added an advanced search for trees e.g. by size, LAD, type
  • Scaling L-based Plants
  • Added Florescense in calendar and in display
Leonardo
  • Added EDX to netCDF converter to be able to convert finished model outputs to netCDF file format
  • Updated Datastudio support
Forcing Manager
  • Reworked graphical user interface
  • Added Datastudio support
Monde
  • Now in 64 bit enabling even bigger model areas
  • Easier terrain import using OpenTopography
Other
  • Removed 32 bit directory

Bugfixes

ENVI-core
  • Bugfix to the parallel calculation of IVS - there used to be small differences in reflected radiation - patterns were only visible in difference maps
  • Easier terrain import using OpenTopography
Spaces
  • Various bugfixes

ENVI-met updates for version 5.0.3 (Summer 22, 07-July)

Updates

  • DBManager: Added solar panels as materials for single walls (calculation of electrical output not included yet)

Minor Bugfixes

  • Bugfix FoxManager: Wrong import of TRY2 files
  • Database Bugfix: Further fixes for tree types (deciduous or conifer)
  • Database Bugfix: Added a new wood soil profile with lower Albedo (ID: 0200WD)
  • ENVI-Guide: Cloud cover can now be edited correctly
  • ENVI-core: Minor stability fixes

ENVI-met updates for version 5.0.2 (Winter 21/22)

Bugfixes

  • ENVI-core Bugfix: When ACRT module was disabled (not the default option) in V5, diffuse shortwave radiation was underestimated by accounting twice for sky view factors
  • ENVI-core Bugfix: New six-directional TMRT calculation was further improved (particularly erased the overestimation of diffuse shortwave radiation impact)
  • Monde: To use terrain import from OpenTopography, users now have to create an individual API login for OpenTopography and enter the login credentials in Monde.
  • Monde Bugfix: Building roof leveling based on terrain height was improved.
  • Database Bugfix: Tree types (deciduous or conifer) changed accidentally during the update to V5. These changes are now reverted, hence restoring backwards compatibility to pre-V5.

ENVI-met updates for version 5.0.1 (Winter 21/22)

Bugfixes

  • Leonardo Bugfix: Timeseries ending at 23:59:59 with more than 24 hour simulation duration can now be loaded again
  • Leonardo Bugfix: Contourlayer can be activated again
  • Spaces Bugfix: Marked cells (for joining or separating building numbers) can now be deselected
  • Spaces Bugfix: Enabling/Disabling bitmap in taskbar
  • Spaces Bugfix: Preview height and crown radius of 3D trees are now rounded
  • Spaces Bugfix: Create model area exception due to invalid wall properties fixed
  • ENVI-core: Fixed MRT calculation within vegetation cells as secondary diffuse radiation (created by ACRT module) lead to MRT overestimation within LAD cells
  • BIO-met Adjustment: UTCI can now also be calculated for wind speeds < 0.5 m/s to avoid white areas in results; the results for these conditions should however still be handled with caution
  • Database: Double item 010000 in simple plants deleted
  • ENVI-guide UI adjustments
  • BIO-met UI adjustments

ENVI-met updates for version 5.0.0 (Winter 21/22)

Major updates

  • Complete overhaul of all graphical user interfaces
  • New and advanced Indexed View Sphere
  • New, more accurate, calculation routine for Mean Radiant Temperature (MRT) External Link
  • New Tree Model
  • Python integration (starting with LEONARDO)
  • New ENVI-guide
  • Reworked MONDE interface and GUI

ENVI-met updates for version 4.4.6 (Summer 21)

Major updates

ENVI-core
  • Increased speed due to new math calculation routines
  • Enhanced License server stability → more backup servers lead to a higher reliability
  • More DLLs added to the program folder in case they might not be included in a Windows Build
  • FullForcing wind speed minimum is now 0.3 m/s to avoid user issues where simulation crashes due to low wind speeds
  • Temperature values in atmosphere folder now contain NoData value inside of buildings to avoid misleading interpretations
  • Outputs can be “safely” saved on network folder → model tries for 1 min, then simply skips
  • Added a warning for potentially, depending on model area size, low disk space
  • Added sensible and latent heat flux to building output
  • Greening and substrate variables are only written if anywhere existent in the model area → saves time and disk space to write them only if necessary
Other Apps
  • MONDE: Updated the new API link for OpenTopography, it can now be imported again

Bugfixes/ Changes

ENVI-core
  • Bugfix: SIMX tag about facade mode is now read correctly. It can now be changed to Monin-Obukhov
  • Bugfix: Wind speed in front of facades is corrected
  • Bugfix: Facade Greening is corrected
  • Bugfix: FOX files created from EPW now feature correct precipitation values
  • Bugfix: FOX files created from EPW now feature correct time for radiation data
  • Bugfix: NetCDF now stores facade data of Y and Z correctly
  • Bugfix: Increase stability for winter simulations, e.g. substrates cannot evaporate when temperature is below 0°C anymore
Other Apps
  • SPACES: 3D View errors solved
  • DB-Manager: PM2.5 and PM10 amounts were inverted when their portions were calculated in TrafficManager
  • LEONARDO: Random errors solved

ENVI-met updates for version 4.4.5 (Summer 20)

Major updates

ENVI-core
  • New calculation method for pressure solver → Increased stability significantly, reduced simulation crashes (especially instabilites in the Air Temperature, Humidity or CO2 fields). Old pressure solver can still be enabled in ENVI-guide.
  • Improved NetCDF outputs: Missing Values, Valid Ranges, GridMapping were added to each variable, dimension variables are tagges as axis variables, 2d fields of UTM coordinates including rotation are added
  • Added a check for necessary NetCDF Microsoft libraries during initialisation of simulation
Other Apps
  • BIO-met: Enabled the possibility to write NetCDF outputs
  • SPACES: Added the option to allow simple changes in vertical gridding even when using Detailed Mode (3D) and to delete existing ghost cells of model areas by reconverting to 2.5D
  • ForcingManager: ForcingManager can be started using parameter values to create Forcing File (grasshopper plugin support)
  • MONDE: Additional export options for INX conversion (vertical gridding etc.)

Bugfixes/ Changes

ENVI-core
  • Bugfix DEM: Corrected waterspray units [ug/s] as input
  • Bugfix Radiation: Corrected shortwave radiation received on roofs
  • Bugfix: Wind field initialization
Other Apps
  • BIO-met: Old singlecore Biomet Version 1.5 is not included anymore, users with an old Biomet license need to download it separately
  • SPACES: Bugfix: Fixed 3d view issue caused by trees
  • MONDE: Fixed OpenTopography import
  • MONDE: Builings in model areas featuring DEM don't have steps in the the roof anymore. Average height of DEM on built-up area is used to “elevate” buildings

ENVI-met updates for version 4.4.4 (Winter 19/20)

Major updates

ENVI-met
  • Added Building Performance Simulation Forcing Outputs → Text file outputs of previously specified Building Numbers that can be used as input for BPS models such as TRNSYS
  • Added the possibility to force precipitation using Full Forcing
  • Added a time estimation for the simulation finish as well as a progress bar to visualize the simulation progress
  • Added the ability of writing NetCDF output files directly through the simulation instead of converting them in postprocessing. NetCDF output files are produced for every hour but hold all data within a single file (no different files are created for atmosphere, buildings, surface, vegetation etc.). Building data needed to be splitted into fields holding either X, Y, or Z data. If simulation crashes during file writing when NetCDF outputs are activated, most likely there is a Microsoft Component missing: Please install Microsoft Visual C++ 2010 SP1 Redistributable Package (found here: https://www.microsoft.com/en-hk/download/confirmation.aspx?id=13523).
  • Added enhanced error messages to simplify the process of understanding and fixing issues
  • Added an additional EXE (envimet4_DEBUG.exe) to send automatically generated error messages to an ENVI-met bug report mail address (forum posts may refer to such a bug report mail)
Other Apps
  • BIOmet: BIOmet 2.0 is parallelized and thus much faster (but needs the new license type delivered with beginning of version 4.4.3 and an internet connection for server communication)
  • SPACES: Added the option to allow simple changes in vertical gridding even when using Detailed Mode (3D) and to delete existing ghost cells of model areas by reconverting to 2.5D
  • ForcingManager: Added the possibility to force precipitation with FOX-files: when FOX-files are created from CSV the precipitation column must exist now (even if empty → filled with 0)
  • ForcingManager: Added the possibility to create FOX files from TRY files in addition to EPW files
  • LEONARDO: Added the support of the temperature unit Fahrenheit

Bugfixes/ Changes

ENVI-met
  • Bugfix DEM: Exposition, Inclination now calculated according to commonly used algorithms of GIS programs → radiation values should be more accurate now due to correction of the lambert factor
  • Bugfix Radiation: Direct radiation values were indicated as horizontal but were not; now there are two output fields for direct radiation: on a horizontal surface and on a surface adapted to be perpendicular to the sun by lambert factor
  • Bugfix: Avoided the crash at simulation check with IVS and receptors
  • Bugfix: Corrected vertical gridding for Telescoping (old model areas could be gridded differently but more precisely with the new version)
Other Apps
  • ForcingManager: Added a correction of wind speed if CSV or EPW/TRY files contain wind speeds of 0.1 m/s or below for a timestep → the values are then corrected to 0.1 m/s to avoid simulation crashes
  • ForcingManager: Added the option to refresh the graphs in the data view of the forcing file (e.g. if zoomed in before)
  • FocingManager: Bugfix: Wind calculation for wind speed in 2500 m corrected (values were too high)
  • SPACES: Bugfix: Corrected vertical gridding for Telescoping (old model areas could be gridded differently but more precisely with the new version)
  • SPACES: Bugfix: No ghost cells if telescoping height starts below highest building (also due to the new vertical gridding)
  • SPACES: Bugfix: SingleWalls checkbox about follow terrain now works correctly
  • SPACES: Bugfix: Model area bounding box is now sized correctly
  • DBManager: Bugfix: Deleting Items sometimes caused an exception
  • DBManager: Bugfix: TrafficTools now allow FloatingPoint values
  • ENVIGuide: Added several features to the Output Settings in the Advanced Section by the options of writing NetCDF outputs additional to the ENVI-met output files, the option of Including the Nesting grids in output files, and the possibility to write Building Performance Simulation Forcing Outputs
  • ENVIGuide: Added handling of Threading in expert settings (allows the simulation window to be responsive all the time if activated)
  • ENVIGuide: Moved the option Adjust Minimum Flowsteps from expert settings to FullForcing settings and added the Force Precipitation option to the page
  • ENVIGuide: Bugfix: Changed that the short name will now be used as default SIMX name suggestion and the output folder now shows correct path where output will be stored
  • ENVIGuide: Removed specific information buttons (the information is always visible now)

ENVI-met updates for version 4.4.3 (Summer19)

Major updates

  • ENVI-met: Added a new license system: PCs need to be connected to the internet at start of a simulation. Here are some important information about converting your license
  • ENVI-met: Increased performance due to datatype conversion of timestamps
  • ENVI-met: Fixed stability issues: less errors (especially for several simulations running parallel on 1 PC) → eliminated canvas draw errors
  • ENVI-met: Bugfix Pollutants: now works correctly in parallel mode
  • ENVI-met: Bugfix Vertical SingleWalls: They got too cold since they did not receive any shortwave radiation
  • ENVI-met: Changed the filename structure of output files to be ordered chronologically → YYYY-MM-DD_hh.mm.ss
  • ENVI-met: Added more location information to INX and EDX files for Nesting purposes of Winter release (UTM Zone, more accurate coordinates)
  • ENVI-met: Added remote license registration on multiple PCs

Bugfixes/ Changes

  • SPACES: Bugfix: If no building material available (e.g. from Monde export), the default ID is now 000000 instead of 000001 which did not exist
  • SPACES: Bugfix of 2.5D CutArea Tool: BuildingNrs and trees are now shifted correctly
  • SPACES: Bugfix: Plants or buildings were displayed one grid cell above ground in 3D
  • Monde: World location is now updated automatically if shapefiles are imported, location settings are saved more accurate in INX file (lower left corner of subarea)
  • Monde: Enhanced the postpressing tool for exporting model areas: Add specific SimplePlants on specific soil ID
  • LEONARDO: Bugfix SolarAccess: Can now be displayed again
  • LEONARDO: Export Map Layer now CSV as default, since Excel is not possible for model areas larger than around 250×250 gridcells
  • ENVIGuide: Small Bugfixes in Labels and Warnings (BackgroundConcentration, Sources, Timesteps)
  • ENVIGuide: Added possibility to adjust minimum flowstep in Advanced mode

ENVI-met updates for version 4.4.2 (Winter 18/19)

Major updates

  • ENVI-met: Increased the computational speed of the simulation
  • ENVI-met: User interface now stays responsive while simulation is running
  • ENVI-met: Added more precise error messages
  • ENVI-met: Added a console version
  • ENVI-met: Added a “silent mode” - ENVI-met and ENVI-met console can be started using parameters (Example: envimet4.exe ABSOLUTEPATHTOWORKSPACE PROJECTNAME SIMXFILE.SIMX)

Bugfixes/ Changes

  • SPACES: Fixed bugs where “ghost cells” appeared when building cells were deleted
  • SPACES: Preview of vegetation cells was shifted and not indicated correctly
  • SPACES: Gridding of buildings in detailed design mode featured a bug were y-walls would be missing
  • ENVI-met: Season calendar was corrupted for the winter half year
  • ENVI-met: Increased numerical stability when single cells were surrounded by buildings from all sides
  • ENVI-met: Wind output fields were corrupted (only outputs, no calculations), wind directions with negative U or V wind components (i.e. wind from north or east) were visualized incorrectly, all other parameters were not affected
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