Aug-22, 2007

• Release 9.0 of the SDL Component Suite is now available for CodeGear C++Builder, too

May-28, 2007

• New release 9.0 of the SDL Component Suite
• new units SDL_COMPLEX and SDL_HTMLSUPPORT
• new components TSline, TScaleGauge, TNumIO2, TSmithChart and TWaveLet1D implemented

• SDL_BOXPLOT
  
  • bug fix: number of horizontal boxplots can now exceed 30 without throwing exceptions

• SDL_COMPLEX
  
  • published with release 9.0 of the SDL Component Suite

• SDL_DATATABLE
  
  • new constants csAll, csNone, and csUser1..csUser4 defined to reflect predefined cell states
  • new functions CountMarkedCellsInColumn and CountMarkedCellsInRow count marked cells
  • new overloaded method ImportASC allows to read from clipboard
  • bug fix: ImportASC now does not crash if data is imported from stream and number of columns is reduced

• SDL_DSTRUCT
  
  • associative arrays support now the retrieval of strings and numbers (ResolveAsString and ResolveAsNumber)
  • routines for calculating hash codes implemented: SHA1FromString, SHA1FromStream, SHA1FromFile, and SHA1DigestToHex

• SDL_FILESYS
  
  • new function DetectStringInFile can be used to check validity of a file

• SDL_GAUGE
  
  • published with release 9.0 of the SDL Component Suite

• SDL_GEODB
  
  • two additional versions of AddBLOB implemented
  • new property Revision implemented
  • new method SearchForItemID searches database item IDs
  • The FilePath variable of the meta information record now contains the full file spec of the original file (including the filename)
  • ExportDataDebug now includes BLOB sizes, as well

• SDL_GEOMAP
  
  • TGeoMap now supports the OnMouseWheel, OnMouseWheelUp, and OnMouseWheelDown events
  • new method ZoomFitPage resizes map to fit into current window
  • new method CopyToBMP allows to copy portions of a map to a bitmap (including non-visible parts of the map)
  • calibration models extended by conic conformal and Miller cylindrical projection
  • ParseCalibData now returns the calibration model too
  • new method CopyEntireMapToClipboard copies the entire map (including landmarks) into the clipboard
  • RemoveAllLandmarks is now available in a second overloaded form restricting the removed landmarks to a specific class number
  • procedure WriteRawCalDataToOpenXMLFile extended to additionally store calibration model
  • bug fix: ReadLandmarksFromOpenXMLFile and LoadLandmarks now read landmarks correctly (first LM was set to all-zero)

• SDL_GRADFL
  
  • property FrameStyle implemented

• SDL_HTMLSUPPORT
  
  • published with release 9.0 of the SDL Component Suite

• SDL_MATH1
  
  • new routines to check the validity of various numeric types implemented: IsValidBin, IsValidDecInt, IsValidFPNum, IsValidHex, IsValidOct
  • RoundNeg125 and RoundPos125 implemented
  • interface of function IsValidDouble changed: the parameter DecPChar has been renamed to DecSeparator and is now of type TDecPSep instead of integer
  • bug fix: ScanDateTime works now as expected if no date (only time) is specified

• SDL_MATH2
  
  • The algorithm used for TCurveFit.CalcPolyFit has been replaced by an SVD based version which is much more stable for higher orders (up to MaxPolyFitOrder).
  • second order derivative of Savitzky-Golay smoothed filter implemented

• SDL_MATRIX
  
  • the matrix inversion routine now works for matrices with very small values, too.

• SDL_NTABED
  
  • new functions NrOfMarkedDataA and NrOfMarkedDataB return number marked data cells
  • new property BoldMarks determines bold/normal font of marked cells
  • new property IfAnyMarked checks if at least one cell of the table editor is marked.
  • PopupMenuClickCopy now copies selected data both to the matrix clipboard and to the Windows clipboard.
  • property ClipboardUseFullPrec controls numeric precision when copying to Windows clipboard
  • event OnMouseUp published
  • bug fix: copy into data clipboard does not crash after matrix transpose

• SDL_NUMIO
  
  • new component TNumIO2 is an improved replacement of the existing TNumIO component (which is no longer supported but still part of the SDL Component Suite for backward compatibility).
  • type declaration TDecPSep moved from unit SDL_numio to SDL_sdlbase

• SDL_NUMLAB
  
  • new property Transparent allows to make the outer background transparent

• SDL_PLOT3D
  
  • TPlot3D now supports the OnKeyPress, OnKeyDown, OnKeyUp, OnMouseWheel, OnMouseWheelUp, and OnMouseWheelDown events
  • various mesh kinds implemented (new property MeshKind)

• SDL_POLCHART
  
  • property SuppressPaint implemented
  • property MouseAction supports now maZoomWind and maZoomWindPos
  • property LabelModeAngular extended to provide symmetric labels around zero (-p to +p radians)
  • TPolChart is now derived from TCustomControl instead of TGraphicControl

• SDL_RCHART
  
  • TSmithChart is a new component derived from RChart. It supports Smith charts which are commonly used in electronics and electrical engineering
  • new method SetEqualScales implemented
  • new method SetEqualScalesXOnly implemented
  • new method SetEqualScalesYOnly implemented
  • mouse wheel events are now published
  • function FindUsedLayers implemented
  • improvement: the background color of dashed lines is now controlled by the property FillColor
  • improvement of the methods AutoRange, AutoRangeXOnly, and AutoRangeYOnly
  • bug fix: AddTextLabel now works as expected (bug was introduced with release 8.5)
  • bug fix: mouse cursor adjusts its image according to MouseAction (bug was introduced with release 8.5)
  • bug fix: changing the range of any axis does no longer force several repaints
  • bug fix: rectangles and ellipses are now filled with the correct color after switching from transparent to opaque items
  • bug fix: maZoomWind now keeps scale ratio of axes if IsoMetric is TRUE
  • bug fix: number of grid lines per axis is no longer limited to 50 (new limit is 250)

• SDL_REPLIST
  
  • new method RemoveEmptyRows implemented
  • internal data structure of component is now packed into separate class TRLData
  • new property ShowEmptyCheckBoxes allows to hide check boxes of empty cells
  • new function MouseCell returns the cell number of a particular point of the report list
  • two new functions CountCheckedElemsInCol and CountCheckedElemsInRow count checked elements
  • new property CountHeadRows returns number of visible headers
  • Enabled property now affects colors of text, check boxes and highlighting (cells appear dimmed if disabled)
  • column headers can now be adjusted in color by ColorColumnHd and ColorColumnHdText
  • the data of the report listview can now be displayed without any headers by setting both the new CommonHeaderVisible and the new ColumnHeadersVisible properties to FALSE.
  • new common header implemented, which is controlled by the following properties: CommonHeader, CommonHeaderVisible, CommonHeaderAlignment, ColorCommonHd, ColorCommonHdText
  • new property FixedFirstColumn can be used to create a row header
  • improvement: component uses now double buffering to reduce flicker when scrolling
  • bug fix: horizontal scrolling no longer creates spurious vertical lines in header
  • bug fix: FirstSelectedRow returned 1 in some cases despite the number of rows was zero
  • bug fix: InterRowIndicatorPos works now correctly if TopRow is greater than 1
  • bug fix: component is no longer disabled if EditRowEntries is called with an readonly column formatter
  • bug fix: Fill now works correctly for checked columns too
  • bug fix: ExportHTMLTable now creates correct HTML tables for checked columns, too
  • bug fix: property LeftCol now addresses the columns correctly (had an offset of +1)

• SDL_ROT3D
  
  • TRot3D now supports the OnKeyPress, OnKeyDown, OnKeyUp, OnMouseWheel, OnMouseWheelUp, and OnMouseWheelDown events
  • the events OnDataRendered and OnBeforeRenderData implemented
  • bug fix: rotated image was compressed to zero thickness for very small z angles

• SDL_SCALE
  
  • ConvertPixelToScale implemented
  • SetBounds implemented
  • SetRange implemented
  • improvement: numeric labels are suppressed on non-integer tick marks if number of decimal places is set to zero

• SDL_SDLBASE
  
  • type declaration TDecPSep moved from unit SDL_numio to SDL_sdlbase

• SDL_SLINE
  
  • published with release 9.0 of the SDL Component Suite

• SDL_STRINGL
  
  • strffForcePlus implemented
  • function Tokenize implemented
  • The following procedures and functions have been moved to the unit SDL_htmlsupport: ResolveHTMLEntities, MakeStringHTMLCompatible, HTMLEntityToAnsi, ExtractHTTPPath, CountWordsHTML, and AnsiToHTMLEntity
  • bug fix: TGrep now does not crash with expressions such as "a+" applied to empty strings
  • bug fix: expressions such as "[a-z]*" or "a*" are now handled correctly

• SDL_THUMBNAILS
  
  • Paint method published

• SDL_VECTOR
  
  • new methods StoreOnFile and LoadFromFile implemented
  • new property IsEmpty implemented

• SDL_WAVELET
  
  • published with release 9.0 of the SDL Component Suite

December-05, 2006

• New release of the (German) Delphi Programming Course.

September-1, 2006

• The SDL Component Suite has been tested and approved for Turbo Delphi/C++ compatibilty. In order to use the SDL Suite under the Turbo Products you simply have to install the BDS2006 version of our products.

June-11, 2006

• Updated release 2.501 of DataLab. For a detailed list of improvements, please see the Datalab release history.

May-24, 2006

• New release 2.500 of DataLab. For a detailed list of improvements, please see the Datalab release history.

February-18, 2006

• New release 8.5 of the SDL Component Suite
• New components TMarkSel and TBoxPlot implemented
• all unit names have been changed by adding the prefix SDL_
• Personal Edition and Standard Edition are now the same (no need to install separate packages for the Personal Edition of Delphi or C++Builder)

• BOXPLOT
  
  • The unit BOXPLOT is made available to the public as part of SDL Component Suite 8.5

• COLSEL
  
  • Enabled (ColSel) property is now published
  • disabled state is now indicated by gray colors

• DATATABLE
  
  • ExportAsASC (DataTable): default width of exported data is now 12 characters
  • optimized resizing of the data table
  • several new methods to calculate statistical parameters of the numeric cells only: MeanVarOfNumCells, QuartilesOfNumCells, MinMaxOfNumCells, PercentileOfNumCells, GeometricMeanOfNumCells, HarmonicMeanOfNumCells, CountNumCells, SumOfNumCells, StandardizeNumCellColumns, StandardizeNumCellRows

• DENDROGRAM
  
  • TDendrogram now supports class colors
  • new method CalcClasses allows to assign class numbers to the data which are derived from the cluster analysis

• DSTRUCT
  
  • bug fix in CalcCRC32ofFile: this routine now opens the file in read-only mode
  • TStringArray now has an OnBeforeSortExchange event to influence the sort order

• FILESYS
  
  • component TUnivSaveDialog has now another predefined parameter "ext" which allows to force a file extension
  • new function EnsureDefaultFileExt adds a default file extension to an extensionless filename

• FOURIER
  
  • new property WgtFunction allows to specify user-defined weighting functions

• GEOATLAS
  
  • GEOATLAS is now available in the Light Edition of the SDL Suite

• GEODB
  
  • GEODB is now available in the Light Edition of the SDL Suite
  • new property Description to store short comment on database
  • bug fix: ReplaceXXXXX methods do no longer store wrong item ID
  • bug fix: GarbageCollection does no longer occasionally increase the database file

• GEOMAP
  
  • GEOMAP is now available in the Light Edition of the SDL Suite
  • new method RenameMapImg impemented TLandMark and AddLandMark extended to support time stamps and alphanumeric identifiers of landmarks
  • bug fix: CreateAndLoadEmptyMap now generates correct maps even if the boundaries exchanged
  • bug fix: color of EmptyMsg string does not depend on program history anymore

• MARKSEL
  
  • The unit MARKSEL is made available to the public as part of SDL Component Suite 8.5

• MATH1
  
  • ScanHex now ignores a leading '$'-character
  • bug fix: ScanDegrees does no longer crash if input string is empty
  • TDegreeFormat extended by additional type dfNumeric
  • new functions CanonicalAngleRadians and CanonicalAngleDegrees implemented

• MATH2
  
  • the routine CalcPrincComp is now available in a second overloaded version which allows to select whether to normalize the eigenvalues or not.
  • CalcCovar now calculates the squared correlation coefficients and the sum of squared differences as additional options (mode=3, or 4)
  • kMeansClustering implemented
  • the coefficients of the Savitzky-Golay-Polynomials are now publicly available (see GolayPoly)
  • TCurveFit.MeanAngleX, TCurveFit.MeanAngleY for the calculation of mean angles implemented
  • SpearmanRankCorr, KruskalGamma, and KendallsTau as methods of TCurveFit implemented

• MATRIX
  • bug fix: method Percentile now calculates correct values (bug emerged only for less than 100 selected elements)

• NTABED
  
  • bug fix: PopupMenuClickExtClip does no longer recognize a zero value at the end of the text if it is actually empty
  • bug fix: dimension of table editor is adjusted correctly if data is imported into an external (assigned) TDataTable

• NUMIO
  
  • properties Align and ReadOnly published

• PLOT3D
  
  • size of bounding box is now declared as a public constant P3BoxSize
  • DrawOnForeignCanvas implemented
  • range of magnification extended to 100 (was limited to 3 in previous releases)

• POLCHART
  
  • bug fix: LoadData (FName, TRUE) now correctly appends data (bug was introduced with release 8.0)

• RCHART
  
  • OnMouseLeave and OnMouseEnter events implemented
  • BackGroundImg extended to display colored background area
  • MarginTop, MarginLeft, MarginRight, MarginBottom are introduced instead of TRim, LRim, RRim, and BRim
  • bug fix: layer number of text label is correctly assigned now
  • bug fix: AutoRange, AutoRangeXOnly, and AutoRangeYOnly now work correctly if Layer is set to a zero value
  • bug fix: CrossHair.Layer property cannot be set to illegal values anymore
  • constant MaxNumLayers moved to SDLBASE and renamed to MAXNUMRCLAYERS
  • text labels now support vertical alignment
  • bug fix: LoadData (FName, TRUE) now correctly appends data (bug was introduced with release 8.0)
  • bug fix: initialisation of scale positions in Light Edition was wrong

• REPLIST
  
  • new method ExportHTMLTable allows to export the report list view as an HTML file
  • new event OnBeforeHTMLExport allows to control specific HTML properties of the exported text
  • the new event OnBeforeSortExchange allows to influence the sorting behavior of the list view
  • CopyToClipboard offers now an additional, overloaded version which allows to insert any string as separator

• SDLBASE
  
  • class TCustomTextLabel implemented
  • XML Tags for user defined types implemented: xml(TYPEIDENTIFIER)
  • public constants LanguageID, ISO639_2Char, and ISO639_3Char provides names and ISO-codes of languages

• SDLCOLORS
  
  • new function Interpolate3Colors implemented

• STATIS
  
  • function DeanDixonCriticalValues provides critical values of the Dean-Dixon outlier test
  • new function DeanDixonTest performs the Dean-Dixon outlier test
  • UDistriQuantile, UDistriIntegral, and UDistriDensity implemented
  • Mann-Whitney U-Test implemented (PerformMannWhitneyUTest)
  • TSignifLevelEx and NumericSigLevel extend definition of levels of significance
  • hypergeometric distribution implemented: HyperGeoDistriDensity
  • KendallsTau implemented (calculates Kendall's tau-b rank correlation coefficient)
  • KruskalGamma implemented (calculates Kruskal's gamma value)
  • SpearmanRankCorr implemented (calculates Spearman's rank correlation

• STRINGL
  
  • new function CountWords implemented
  • new function CountWordsHTML implemented
  • function HTMLEntityToAnsi now converts non breaking spaces, too
  • new function ExtractHTTPPath extracts HTTP path information
  • new function ProcessHexChars allows to insert control characters into a string

• THUMBNAILS
  
  • bug fix: index of property SlideSelected is now correct (was offset by the value of Min)

• UNIVCONST
  
  • uc_SecondsPerDay defined

• VECTOR
  • bug fix: method Percentile now calculates correct values (bug emerged only for less than 100 selected elements)

November-27, 2005

• Hans Lohninger's German course on Delphi programming is now available in a new release.

May-06, 2005

• New sample application funcplot which implements a very simple function plotter using the component TMathExpression of unit MATH2.

January-24, 2005

• Release 8.2 of the SDL Component Suite is now available for Delphi 2005, too (both for Win32 and VCL/.Net applications).

(news older than Jan 2005 removed)