-- File: StdPrs_Curve.cdl -- Created: Fri Aug 4 11:17:47 1995 -- Author: Modelistation -- ---Copyright: Matra Datavision 1995 class Curve from StdPrs -- ---Purpose: A framework to define display of lines, arcs of circles -- and conic sections. -- This is done with a fixed number of points, which can be modified. inherits Root from Prs3d uses Curve from Adaptor3d, Presentation from Prs3d, Drawer from Prs3d, Length from Quantity, SequenceOfPnt from TColgp is Add(myclass; aPresentation: Presentation from Prs3d; aCurve : Curve from Adaptor3d; aDrawer : Drawer from Prs3d; drawCurve : Boolean from Standard = Standard_True); ---Purpose: Adds to the presentation aPresentation the drawing of the curve aCurve. -- The aspect is defined by LineAspect in aDrawer. -- If drawCurve equals Standard_False the curve will not be displayed, -- it is used if the curve is a part of some shape and PrimitiveArray -- visualization approach is activated (it is activated by default). Add(myclass; aPresentation: Presentation from Prs3d; aCurve : Curve from Adaptor3d; U1,U2 : Real from Standard; aDrawer : Drawer from Prs3d; drawCurve : Boolean from Standard = Standard_True); ---Purpose: Adds to the presentation aPresentation the drawing of the curve aCurve. -- The aspect is defined by LineAspect in aDrawer. -- The drawing will be limited between the points of parameter U1 and U2. -- If drawCurve equals Standard_False the curve will not be displayed, -- it is used if the curve is a part of some shape and PrimitiveArray -- visualization approach is activated (it is activated by default). Add(myclass; aPresentation: Presentation from Prs3d; aCurve : Curve from Adaptor3d; aDeflection : Length from Quantity; aDrawer : Drawer from Prs3d; Points : out SequenceOfPnt from TColgp; drawCurve : Boolean from Standard = Standard_True); ---Purpose: adds to the presentation aPresentation the drawing of the curve aCurve. -- The aspect is the current aspect. -- aDeflection is used in the circle case. -- Points give a sequence of curve points. -- If drawCurve equals Standard_False the curve will not be displayed, -- it is used if the curve is a part of some shape and PrimitiveArray -- visualization approach is activated (it is activated by default). Add(myclass; aPresentation: Presentation from Prs3d; aCurve : Curve from Adaptor3d; U1, U2 : Real from Standard; aDeflection : Length from Quantity; Points : out SequenceOfPnt from TColgp; aNbPoints : Integer from Standard = 30; drawCurve : Boolean from Standard = Standard_True); ---Purpose: adds to the presentation aPresentation the drawing of the curve -- aCurve. -- The aspect is the current aspect. -- The drawing will be limited between the points of parameter -- U1 and U2. -- aDeflection is used in the circle case. -- Points give a sequence of curve points. -- If drawCurve equals Standard_False the curve will not be displayed, -- it is used if the curve is a part of some shape and PrimitiveArray -- visualization approach is activated (it is activated by default). Match(myclass; X,Y,Z: Length from Quantity; aDistance: Length from Quantity; aCurve: Curve from Adaptor3d; aDrawer: Drawer from Prs3d) returns Boolean from Standard; ---Purpose: returns true if the distance between the point (X,Y,Z) and the -- drawing of the curve is less than aDistance. Match(myclass; X,Y,Z: Length from Quantity; aDistance: Length from Quantity; aCurve: Curve from Adaptor3d; aDeflection: Length from Quantity; aLimit: Real from Standard; aNbPoints : Integer from Standard) returns Boolean from Standard; ---Purpose: returns true if the distance between the point (X,Y,Z) and the -- drawing of the curve is less than aDistance. Match(myclass; X,Y,Z: Length from Quantity; aDistance: Length from Quantity; aCurve: Curve from Adaptor3d; U1,U2 : Real from Standard; aDrawer: Drawer from Prs3d) returns Boolean from Standard; ---Purpose: returns true if the distance between the point (X,Y,Z) and the -- drawing of the curve aCurve is less than aDistance. -- The drawing is considered between the points -- of parameter U1 and U2; Match(myclass; X,Y,Z: Length from Quantity; aDistance: Length from Quantity; aCurve: Curve from Adaptor3d; U1,U2 : Real from Standard; aDeflection: Length from Quantity; aNbPoints : Integer from Standard) returns Boolean from Standard; ---Purpose: returns true if the distance between the point (X,Y,Z) and the -- drawing of the curve aCurve is less than aDistance. -- The drawing is considered between the points -- of parameter U1 and U2; end Curve from StdPrs;