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New for GeoCalc 6.1

Marius Lazar
Updated

Support

  • EPSG 6.6 support
  • Enhanced WKT support

New Classes

  • CoordPointCollection : used to hold a set of points, used by both CoordTransform and MathTransform
  • HeightModel : support for Vertical Datum Transformation
  • VerticalDatum : support for Vertical Datum Transformation
  • VerticalReference : support for Vertical Datum Transformation

New Object Methods

  • Create<class> : Each Class now has a static Create<class> method that generates a new object of that type
  • Clone : Certain classes now have a Clone method that returns a copy of the current object

CoordTransform Changes

  • ConvertListAhead and ConvertListBack methods were added to enable the user to convert entire CoordPointCollections
  • InitializeVerticalTransform method and HasValidVerticalTransform property were added

DataSource Changes

  • ExportCoordSysToString and ImportCoordSysFromString methods were added to enable the user to create a WKT string from an CoordSys and vice versa.
  • Get, Put & Remove methods for types  HeightModel, VerticalDatum and VerticalReference were added

GeodeticCoordSys Changes

  • Constructor that takes a VerticalReference as an argument was added
  • get and set VerticalReference methods were added.

MathTransform Changes

  • Higher order polynomial MathTransforms have been added: LinearPolynomial2D, CubicPolynomial2D, QuadraticPolynomial2D, QuarticPolynomial2D and QuinticPolynomial2D
  • AddPointList was added to enable the user to use CoordPointCollections when solving a MathTransform
  • AddPoint : the order of the points are now reversed : AddPoint(SrcPt, DestPt) now implies : SrcPt -> Transform -> DestPt
  • Clear method has been changed to ClearPoints

ProjectedCoordSys Changes

  • Constructor that takes a VerticalReference as an argument was added

Dialog Changes

  • Qt 3.3.4 is now used for the GeoCalc dialogs on Windows.  All Qt apps that use GeoCalc will probably have to be rebuilt using Qt 3.3.4
  • Parent window handles (QWidget or HWND) can be passed in for the Dialogs (DataBrowser, ObjectEditor, ObjectPicker)
  • ObjectPicker Show method now takes an ObjectType that gets set to the type of the object returned.

Interface Changes

  • const keywords, where appropriate have been added to many of the Class methods

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