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-- File: Geom_Axis1Placement.cdl
-- Created: Tue Mar 9 19:24:06 1993
-- Author: JCV
-- <fid@phylox>
-- Copyright: Matra Datavision 1993
class Axis1Placement from Geom inherits AxisPlacement from Geom
---Purpose : Describes an axis in 3D space.
-- An axis is defined by:
-- - its origin, also termed the "Location point" of the axis,
-- - its unit vector, termed the "Direction" of the axis.
-- Note: Geom_Axis1Placement axes provide the
-- same kind of "geometric" services as gp_Ax1 axes
-- but have more complex data structures. The
-- geometric objects provided by the Geom package
-- use gp_Ax1 objects to include axes in their data
-- structures, or to define an axis of symmetry or axis of rotation.
-- Geom_Axis1Placement axes are used in a context
-- where they can be shared by several objects
-- contained inside a common data structure.
uses Ax1 from gp,
Ax2 from gp,
Dir from gp,
Pnt from gp,
Trsf from gp,
Geometry from Geom
is
Create (A1 : Ax1) returns mutable Axis1Placement;
---Purpose : Returns a transient copy of A1.
Create (P : Pnt; V : Dir) returns mutable Axis1Placement;
---Purpose :
-- P is the origin of the axis placement and V is the direction
-- of the axis placement.
Ax1 (me) returns Ax1;
---Purpose : Returns a non transient copy of <me>.
---C++: return const&
Reverse (me : mutable);
---Purpose : Reverses the direction of the axis placement.
Reversed (me) returns mutable Axis1Placement
---Purpose : Returns a copy of <me> reversed.
is static;
SetDirection (me : mutable; V : Dir);
---Purpose : Assigns V to the unit vector of this axis.
Transform (me : mutable; T : Trsf);
---Purpose: Applies the transformation T to this axis.
Copy (me) returns mutable like me;
---Purpose: Creates a new object, which is a copy of this axis.
end;
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