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-- File: StdPrs_Curve.cdl
-- Created: Fri Aug 4 11:17:47 1995
-- Author: Modelistation
-- <model@metrox>
---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;
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