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This is update 44 of 19 December 2009.
The graphics part of the CumFreq, EnDrain, RainOff, SegReg and WellDrain programs were given a new
appearance.
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HISTORY
Since the first publication, in June 2002, download opportunities
are given of computer programs SegReg, CumFreq, EnDrain, RainOff
and (indirectly) Saltmod.
Download facilities of (1) a lecture note with applications of
SegReg, CumFreq and RainOff and (2) an article on the energy balance
of ground water (groundwater) flow belonging to EnDrain are also given.
Since then the web site was regularly updated and extended as follows.
UPDATE RECORD
(the 32 updates before January 2006 have been omitted) :
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In update 43 of 15 October 2009, all software programs were given extended explanations in
the status bar. The program EnDrain was given a floating figure to explain entrance
resistance. Thanks to the comments of Mrs. Birgit, the program SegReg was corrected for
an error of the Y-axis label in the second graph of calculated versus observed values.
By the end of October five downloadable PDF files were added to the
reports page while on 5 November the page on
consultancy reports was given more download options. The new
files refer water management and soil salinity in alluvial fans or inland delta's. In update 42 of 12 February 2009 the programs SahysMod, SegReg, and Cumfreq have been updated while minor inconveniences were removed. On 11 April 2009 Segreg was given een extended list of explanations of output symbols. On 29 April 2009 WellDrain was updated and an inconsistency in use of symbols was removed thanks to comments of Mr. Richard Bartram. There is now a floating explanatoray figure. The name WellDrainW was replaced by WellDrain. On 30 April 2009 the same work was done on EnDrain. On 21 May 2009 the CumFreq graphics for return period were improved. In update 41 of 18 October 2008 the SahysModW program was adjusted to accommodate random numbering of the nodes in the polygonal network. On 23 October, the saving of the input files to the disc was brought under Windows/Delphi so that the former DOS/TurboPascal format restrictions of file names and directory/folder names were eliminated. The new program, version 1.3.1, is now called SahysMod instead of SahysModW. On 22 November the guided procedure for construction of the polygonal network was improved thanks to the efforts of Mr. Tsegay Fithanegest. In update 40 of 27 April 2008 the full screen output graphics of the SahysModW program, which were based on DOS (TurboPascal), have been brought under Windows (Delphi) because the graphics are not supported by Windows Vista. The new SahysModW version 1.1 is now available for download. All previous DOS versions of the CumFreq, SegReg, EnDrain, WellDrain, RainOff, SaltMod and SahysMod programs have been removed and are no longer available. On 15 May 2008 the SahysModW version 1.1 has been replaced by version 1.2 with improved network making functions. A version with a polygonal network of more than 300 nodes can now be made available on request. In update 39 of 10 December 2007, thanks to comments of Mr. Javier Sassi from, the SahysModW program was adjusted to overcome certain inconveniences. On the FAQ's page a paper was included on acid sulfate soils in Pulau Petak, South Kalimantan, Indonesia. In the list of publications a download was given of a report on irrigation improvement in Egypt, including water/salt balances and other information. In update 38 of 20 November 2007 the SahysModW program was corrected for unforeseen freezes, thanks to comments of Mr. M.Madyaka. On the FAQ's page questions on tidal irrigation were dealt with. In update 37 of 9 September 2007 Mr. Michael Siek of UNESCO-IHE the suggestions for improvement of CumFreqW handling a larger data set, up to 2500 data, and for adding a threshold (cutoff value) was followed. On 2 October, the CumFreq and SegReg programs were given the option to copy and paste spreadsheet data. On 15 October, the program SegReg was given improved graphics thanks to the comments of Mr. Sergio Alonso Oroza. Further all windows programs (CumFreqW, EnDrainW, RainOffW, SaltModW, SahysModW, SegRegW and WellDrainW) were improved regarding a dot/comma decimal separator problem. Thanks Sergio for calling my attention to this. In update 36 of 28 June 2007 the issue of "waterlogging" was added on the FAQ's page (frequently asked questions). In update 35 of Christmas 2006 the Windows version SahysModW of Sahysmod has become available, be it that the graphics still rely on the old but sturdy Turbo Pascal (DOS) menu. All WaterLog.info software has now been modernized. In 2007 the "polishing phase" will begin. In update 34 of 18 July 2006 the EnDrain program became available as Windows version EnDrainW. Other software programs will follow. On 20 July the Windows versions of Cumfreq (CumFreqW) and WellDrain (WellDrainW) were made available. On 27 July the Windows version of SegReg (SegRegW) was added, and on 1 August the Windows version of RainOff (RainOffW). On 24 August the Windows version of SaltMod (SaltModW) followed suit. On the FAQ's page a paper on pipe drain envelopes (filters, wrappings) was added. In update of 33 March 2006 the type 2 function in the SegReg program was improved thanks to the comments of Mr. Fancisco Leotte, Portugal. On 15 April 2006 the FAQ's page was extended and references were included to the Satem (Software for Aquifer Test Evaluation) and Surdev (Suface Irrigation Software) packages at ILRI. |
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