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Version History

Minor updates are free, but customers using versions 1, 2, or 3 must pay to upgrade to version 4. For notification of new releases, follow us on Twitter!

Version 4

Version 4.0.16 (June 29, 2016)
  • Fixed bug preventing data coverage chart from showing gap at the end of the period of record.
  • Improved import of data files with European number formatting.
  • Improved import of WindSim TWS format.
Version 4.0.15 (June 7, 2016)
  • Fixed bugs introduced in v4.0.14 related to graphs remembering their settings.
  • Fixed bug preventing a direction column’s associated speed column from being set to <none>.
  • Fixed bug causing data coverage chart to display incorrectly when showing data sets with different start times and different lengths.
Version 4.0.14 (May 5, 2016)
  • Added option to download MERRA-2 data for free from NASA.
  • Added ability to export to Turkish MGM format.
  • Small improvements to data import logic.
  • Small changes to calibration logic.
Version 4.0.13 (Pi Day 2016)
  • Small change to import logic to improve handling of Ammonit data files.
Version 4.0.12 (March 1, 2016)
  • Improved stability of Windographer Data Downloader.
  • Added ability to open RLD files from the new SymphoniePRO data logger.
  • Improved RWD file import process, added option to ignore site files.
  • Added ability to specify PIN number when opening encrypted RWD files.
  • Improved NSD import process to read calibration constants and serial numbers.
  • Added ability to read instrument serial numbers when importing NDF files.
  • Added ‘swap axes’ button to Scatter Plot tab.
Version 4.0.11 (December 8, 2015)
  • Added ability to read instrument serial numbers from NDF files during import.
  • Added indication of when calibration changes occur during multi-file append.
  • Fixed bug causing turbulence rose to appear incorrectly in summary report.
  • Fixed bug that slowed the multi-file append process.
  • Fixed bug causing MCP process to overwrite measured direction values even if user requests otherwise.
Version 4.0.10 (November 9, 2015)
  • Added ability to read Fulcrum 3D SODAR files.
  • Fixed bug causing occasional crash during MCP performance test.
  • Changed wind veer calculated column to report positive and negative wind veer rates.
Version 4.0.9 (October 22, 2015)
  • Fixed bug causing incorrect air density in Openwind MM2 export files if pressure units are not kPa.
  • Additional improvement to efficiency of MCP performance test process.
Version 4.0.8 (October 19, 2015)
  • Improved efficiency of MCP performance test process to avoid out-of-memory errors..
Version 4.0.7 (October 7, 2015)
  • Fixed bug (dating from v4.0.5) in Maximum Likelihood Method Weibull fit algorithm.
  • Added tabular display option to the rotor-equivalent wind speed window.
  • Added option to perform two-step file save process.
  • Small changes to data import process to improve interpretation of ASC and WRF files.
Version 4.0.6 (September 14, 2015)
  • Fixed bug occasionally causing erroneously high extrapolated wind speed standard deviations.
  • Added randomness to extrapolated turbulence for more realistic representative TI.
Version 4.0.5 (September 4, 2015)
  • Added option to include solar radiation data when downloading NASA MERRA data.
  • Made all mean direction calculations report vector means.
  • Switched to Yamartino method for calculating standard deviation of directional data.
  • Small bug fixes.
Version 4.0.4 (August 12, 2015)
  • Added a diagram to clarify rotor-equivalent wind speed inputs.
  • Fixed bug that always set elevation units to metres above sea level when reading pre-v4 windog files, even if the elevation were in feet.
Version 4.0.3 (July 24, 2015)
  • Fixed bug causing calibration errors during some append processes.
Version 4.0.2 (July 3, 2015)
  • Restored the ability to save and apply templates.
  • Fixed bug in vertical extrapolation process causing incorrect results when extrapolating to multiple heights from calculated columns.
  • Fixed bug preventing favorite flag rules from working with database import.
  • Tiny fixes to header of Brazilian EPE export format.
  • Restored Windows XP compatibility.
Version 4.0.1 (June 5, 2015)
  • Improved RWD file import to handle European-style number formatting of calibration constants.
  • Several user interface improvements to Windographer Data Downloader.
  • Several small bug fixes and stability improvements.
Version 4.0 (May 18, 2015)
  • New Calibration window.
  • Expanded calculated column capability with many new options.
  • Ability to import much larger text files.
  • New ability to hide data columns from graphs and drop-down boxes.
  • Document History window now displays a complete list of configuration changes.
  • New Combine Anemometers window for combining co-located anemometers.
  • Easier sharing of favorite flags and flag rules within a team.
  • New ability to scale (rather than lengthen) the target data set in MCP module.
  • MCP performance test now compares different settings as well as different algorithms.
  • MCP performance test now allows multiple iterations to help determine uncertainty.
  • Vertical Extrapolation window now includes turbulence, directions, and temperatures.
  • New ability to export multiple-height data to Openwind in the form of an MM2 file.
  • Gap fill process now offers option of shear-based reconstruction only.
  • Gap fill process now generates more realistic turbulence data.
  • Turbulence Analysis window now shows data for all heights at once.
  • New Representative Year module for creating 'typical year' of data.
  • New Forecast Error Analysis module.
  • New concurrency option on Diurnal Pattern tab.
  • New ability to open ZPH files from ZephIR.
  • New ability to offset direction values in TAB files.

Version 3

Version 3.3.11 (March 28, 2016)
  • Small change to data import logic to improve handling of European number formats.
Version 3.3.10 (October 8, 2015)
  • Added the ability to work with Excel 2016.
  • Added option to perform two-step save process.
  • Fixed bug in air density calculation when elevation was specified in feet. This bug affected v3 only.
Version 3.3.9 (June 29, 2015)
  • Fixed bug preventing favorite flag rules from working with database import.
  • Tiny fixes to header of Brazilian EPE export format.
Version 3.3.8 (February 26, 2015)
  • Improved processing speed.
  • Improved support for Unicode files in the import process.
  • Changed TAB file export to report latitude and longitude to more decimals.
Version 3.3.7 (February 4, 2015)
  • Improved gap fill algorithm's handling of long gaps.
Version 3.3.6 (January 8, 2015)
  • Added ability to import Turkish MGM file format.
  • Fixed bug causing occasional crash on Synthesis tab of MCP window.
  • Added included and excluded flags to the header of exported time series text files.
Version 3.3.5 (October 9, 2014)
  • Added Brazilian EPE export format.
  • Improved flag rules to handle direction ranges spanning true north.
  • Improved handling of non-Unicode language settings.
Version 3.3.4 (September 19, 2014)
  • Improved Mean by Month table to show vector mean directions.
  • Improved Monthly Statistics and Annual Statistics tables to show more info for direction columns.
  • Improved text export from monthly and annual time series graphs.
  • Eliminated risk of out-of-memory crash when saving large .windog files.
Version 3.3.3 (June 30, 2014)
  • Added Weibull Statistics by Month table to the Tables tab.
  • Fixed bug causing incorrect normalization in TAB files with seasonal bias removed in rare cases.
  • Improved import of Vortex data files.
  • Changed WindSim TWS file export to use European number format in header.
Version 3.3 (May 27, 2014)
  • Added new Append Status window and made multi-file append process more robust.
  • Enabled multiple-file import by dragging and dropping a folder into Windographer.
  • Added menu items for Open Folder and Append Folder.
  • Improved data import logic to increase robustness.
  • Improved ability to handle files containing thousands of data columns.
  • Improved detection of first and last line of data.
  • Improved time step detection when reading NSD files.
  • Improved data column type detection when reading Campbell Scientific files.
  • Allowed multiple selection of flags in Define Flags and Define Favorite Flags windows.
Version 3.2 (January 16, 2014)
  • Added free download of MERRA data via Windographer Data Downloader beta.
  • Added scaling of TAB files to a particular wind speed.
  • MCP window now allows up to twelve yearly divisions.
  • Compare Data Sets window now offers option to filter for the overlap period.
  • Now stack up to three time series graphs. Watch Video
  • Tower Distortion Analysis window now shows differences as well as ratios.
  • Made flag rules obey default flag filtering in search columns.
Version 3.1 (April 17, 2013)
  • Added tabular display to the Flag Manually window.
  • Added to the Flag by Scatter Plot window triangular and free-form selection options.
  • Added the ability to test flag rules before executing them.
  • Added the Inspect and Remove Flags window.
  • Added ‘stacked bars’ wind rose style to Wind Rose tab.
  • Added Export Image window.
  • Added Fix Quantization window, which randomizes quantized data to improve the performance of extreme wind or MCP analyses.
  • Improved Document History window: a double click now brings up a new window showing additional details.
  • Improved TAB file export by reporting mean of time series and of TAB file.
  • Added ability to export Windfarmer WTI files.
  • Added the ability to export to SAM, the System Advisor Model.
  • Added to the Delete Data window the ability to delete data points not flagged with specified flags.
  • Made all flag windows warn on cancel if it will result in lost changes.
Version 3.0 (August 27, 2012)
  • A new measure-correlate-predict (MCP) module
  • A new Compare Data Sets window to compare graphically two or more data sets
  • A new Extreme Wind Analysis window that implements the Method of Independent Storms
  • A new ability to flag by scatter plot
  • A new ability to define your own calculated data columns
  • A greatly improved Wind Turbine Output window and expanded turbine library
  • Multiple temperature and pressure sensors at different heights
  • New relative humidity data column type
  • Expanded database interface to handle new data column types
  • New abilities to analyze wind veer, temperature profile, and long-term trends
  • New minimum data coverage requirements for averaging to longer time steps
  • More powerful and more flexible data import capability

Version 2

Version 2.4.14 (January 8, 2015)
  • Allowed import process to accept 2015 data.
Version 2.4.13 (August 23, 2013)
  • Added support for Excel 2013.
Version 2.4.12 (June 20, 2013)
  • Fixed bug where flag-specific data deletion ignored date range.
Version 2.4.11 (January 16, 2013)
  • Allowed Tower Distortion Analysis window to analyze speed sensors at different heights.
Version 2.4.10 (October 22, 2012)
  • Made optional the flagging of vertically extrapolated wind speeds as synthetic.
  • Improved import of Kintech .wnd files.
  • Improved detection of delimiters in imported files.
Version 2.4.9 (September 13, 2012)
  • Added the ability to read .windog files created by Windographer 3.0
  • Updated PDF utility to make it work with 64-bit systems
Version 2.4.8 (September 5, 2012)
  • Fixed bug preventing Triton turbulence data from appearing in the Summary Report
Version 2.4.7 (June 19, 2012)
  • Fixed bug causing start/middle/end-of-interval setting to apply only to first file during multiple file append process.
Version 2.4.6 (March 22, 2012)
  • Added ability to import .wt files into Append Data window via Load Settings button.
  • Added ‘Wind Speed Statistics for Synthesis’ table to Tables tab.
  • Improved import of 3Tier and Vortex data files.
  • Improved support for Oracle database integration.
  • Fixed bug with “never overwrite” append setting.
  • Fixed bug causing occasional mistakes when moving flags (and rules) to or from favorites.
  • Fixed bug causing ‘changes more than’ search criterion to work incorrectly
Version 2.4.5 (January 6, 2012)
  • Added Openwind export option.
  • Allowed symbol size change in scatter plots.
  • Reduced use of Windows number format to time series export only.
Version 2.4.4 (October 19, 2011)
  • Improved import of Windcube data files.
Version 2.4.3 (October 3, 2011)
  • Improved import of Triton data files.
  • Changed TAB file export to use the dot decimal separator regardless of your Windows number format.
Version 2.4.2 (August 11, 2011)
  • Added support for proxy connections for users behind firewalls.
  • Fixed flag filtering bug on the Scatter Plot tab.
  • Made the Export Data > Time Series tab save its settings.
Version 2.4.1 (July 20, 2011)
  • Fixed bug in process of appending one .windog file to another.
  • Improved export of flags to database, sending only the newly added, deleted, or modified flags.
Version 2.4 (June 30, 2011)
  • Added database import/export capability.
  • Added to the Histogram tab the option to bin by month or by time of day.
  • Added user name to the Document History window.
  • Added computer-level licensing.
  • Fixed bug in WAsP algorithm for fitting Weibull distribution.
  • Reduced memory requirements for the gap fill process.
Version 2.3 (May 18, 2011)
  • Improved the append process by adding the Append Data window.
  • Improved gap fill logic to account more accurately for diurnal and seasonal patterns.
  • Added option for computer-level licensing.
  • Changed export files to use the Windows number format.
  • Improved image resolution of graphs in reports.
  • Changed Meteodyn export to include lines with missing values and to use .tim extension.
  • Fixed bug in reading of lat/long from NDF files.
  • Added bin size control to Wind Shear Analysis window.
  • Improved import of ZephIR data files.
Version 2.2 (December 8, 2010)
  • Added Inflow Angle Analysis window.
  • Added Data Recovery Analysis window.
  • Improved import of Triton, ZephIR, ASC, and Windcube data files.
Version 2.1 (August 23, 2010)
  • Added ability to open NDF files from the Nomad2 data logger
  • Added ability to open NSD files from the NRG Symphonie data logger.
  • Added option to not use fractional completeness factors in calculation of mean of monthly means.
  • Improved data import.
  • Added the ability to change font sizes in graphs via the Properties window.
Version 2.0 (April 30, 2010)
  • New data flagging and filtering capability. Watch Video
  • Improved Vertical Extrapolation module.
  • New Tower Distortion Analysis module.
  • New Short Time Interval Analysis module.
  • Improved ability to interpret Triton SoDAR data files.
  • Improved WAsP tab file export including ability to remove seasonal bias.
  • Improved ability to import RWD files.
  • New Meteodyn export format.

Version 1

Version 1.52 (January 7, 2014)
  • Fixed bug preventing earlier versions from reading 2014 data files.
Version 1.51 (October 18, 2012)
  • Fixed bug in WAsP Weibull fit algorithm.
Version 1.50 (January 5, 2012)
  • Fixed bug preventing version 1.49 from reading 2012 data files.
Version 1.49 (November 18, 2010)
  • Fixed bug in Virtual Anemometer window causing incorrect calculations when extrapolating to multiple heights.
  • Added ability to import Excel files using Excel 2010.
Version 1.48 (September 8, 2010)
  • Fixed bug causing wind shear data columns to have incorrect values for time steps in which one or more wind speed sensors reported no data.
Version 1.47 (October 23, 2009)
  • Improved reading of latitude and longitude from raw data files.
  • Added latitude and longitude to time series export files.
  • Added support for Unicode text files.
Version 1.46 (May 19, 2009)
  • Fixed bug preventing time stamps from appearing in data files exported from time series graphs.
  • Fixed bug that caused occasional crashes when appending data.
Version 1.45 (March 18, 2009)
  • Fixed bug that caused an out-of-memory error.
  • Fixed bug that prevented the automatic application of a template when appending data files.
Version 1.44 (March 12, 2009)
  • Fixed bug causing scatter plot to display incorrectly when X and Y columns contained dissimilar gaps.
Version 1.43 (March 10, 2009)
  • Fixed bug that disabled the File > Append button in the toolbar.
Version 1.42 (March 5, 2009)
  • Fixed bug in Configure Data Set window relating to units of temperature and pressure columns.
  • Fixed bug in Quality Control window preventing you from deleting the last time step.
Version 1.41 (March 2, 2009)
  • Improved the ability to recognize the date format in Excel files.
Version 1.4 (February 26, 2009)
  • Added the Reports tab allowing export of PDF reports.
  • Added the Time Shift window.
  • Improved the Wind Shear Analysis window.
  • Improved the Extreme Wind Analysis window.
  • Improved data import.
Version 1.3 (October 4, 2008)
  • Improved Export Data window, added WindSim export formats.
  • Improved Gap Fill window.
  • Improved Turbulence Analysis window.
Version 1.2 (May 6, 2008)
  • Improved Turbulence Analysis window to conform to IEC 61400–1 3rd Edition.
  • Added TAB file export.
  • Added Delete Data window.
  • Added Wind Turbine Output Tool window.
  • Improved data import logic.
Version 1.1 (March 12, 2007)
  • Changed shear calculation to require concurrent measurements in all speed sensors.
  • Added the ability to import .RWD files.
  • Overhauled Quality Control window.
  • Added the Tower Shading Analysis window
  • Improved data import logic.
  • Added turbine output window.
  • Added Turbulence Analysis window.
Version 1.0 (September 26, 2005)
  • Initial release.