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-- File: Prs3d_ArrowAspect.cdl
-- Created: Fri Jun 11 11:28:18 1993
-- Author: Jean-Louis FRENKEL
-- <jlf@stylox>
-- Modified GG : GER61351 01/02/00 Add SetColor() & Aspect() methods
---Copyright: Matra Datavision 1993
class ArrowAspect from Prs3d inherits CompositeAspect from Prs3d
---Purpose: A framework for displaying arrows in representations
-- of dimensions and relations.
uses
Length from Quantity,
PlaneAngle from Quantity,
NameOfColor from Quantity,
Color from Quantity,
AspectLine3d from Graphic3d
raises
InvalidAngle from Prs3d
is
Create returns mutable ArrowAspect from Prs3d;
---Purpose: Constructs an empty framework for displaying arrows
-- in representations of lengths. The lengths displayed
-- are either on their own or in chamfers, fillets,
-- diameters and radii.
Create (anAngle: PlaneAngle from Quantity; aLength: Length from Quantity)
returns mutable ArrowAspect from Prs3d;
--- Purpose: Constructs a framework to display an arrow with a
-- shaft of the length aLength and having a head with
-- sides at the angle anAngle from each other.
SetAngle(me: mutable; anAngle: PlaneAngle from Quantity)
---Purpose: defines the angle of the arrows.
raises InvalidAngle from Prs3d
is static;
Angle(me) returns PlaneAngle from Quantity
---Purpose: returns the current value of the angle used when drawing an arrow.
is static;
SetLength(me: mutable; aLength: Length from Quantity)
---Purpose: defines the length of the arrows.
is static;
Length(me) returns Length from Quantity
---Purpose: returns the current value of the length used when drawing an arrow.
is static;
SetColor(me: mutable; aColor: Color from Quantity);
SetColor(me: mutable; aColor: NameOfColor from Quantity);
Aspect(me) returns AspectLine3d from Graphic3d;
Print( me; s: in out OStream from Standard)
is virtual;
fields
myArrowAspect: AspectLine3d from Graphic3d;
myAngle: PlaneAngle from Quantity;
myLength: Length from Quantity;
end ArrowAspect from Prs3d;
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