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-- File: ShapeUpgrade_ConvertSurfaceToE3.cdl
-- Created: Fri May 21 14:20:03 1999
-- Author: Pavel DURANDIN
-- <pdn@friendox.nnov.matra-dtv.fr>
---Copyright: Matra Datavision 1999
class ConvertSurfaceToBezierBasis from ShapeUpgrade inherits SplitSurface from ShapeUpgrade
---Purpose: Converts a plane, bspline surface, surface of revolution, surface
-- of extrusion, offset surface to grid of bezier basis surface (
-- bezier surface,
-- surface of revolution based on bezier curve,
-- offset surface based on any previous type).
uses
CompositeSurface from ShapeExtend
is
Create returns mutable ConvertSurfaceToBezierBasis from ShapeUpgrade;
---Purpose: Empty constructor.
Build (me: mutable; Segment: Boolean) is redefined;
---Purpose: Splits a list of beziers computed by Compute method according
-- the split values and splitting parameters.
Compute(me: mutable; Segment: Boolean) is redefined;
---Purpose: Converts surface into a grid of bezier based surfaces, and
-- stores this grid.
Segments(me) returns CompositeSurface from ShapeExtend;
---Purpose: Returns the grid of bezier based surfaces correspondent to
-- original surface.
--Methods for handling surface modes
SetPlaneMode(me: mutable; mode: Boolean);
---Purpose: Sets mode for conversion Geom_Plane to Bezier
---C++: inline
GetPlaneMode(me) returns Boolean;
---Purpose: Returns the Geom_Pline conversion mode.
---C++: inline
SetRevolutionMode(me: mutable; mode: Boolean);
---Purpose: Sets mode for conversion Geom_SurfaceOfRevolution to Bezier
---C++: inline
GetRevolutionMode(me) returns Boolean;
---Purpose: Returns the Geom_SurfaceOfRevolution conversion mode.
---C++: inline
SetExtrusionMode(me: mutable; mode: Boolean);
---Purpose: Sets mode for conversion Geom_SurfaceOfLinearExtrusion to Bezier
---C++: inline
GetExtrusionMode(me) returns Boolean;
---Purpose: Returns the Geom_SurfaceOfLinearExtrusion conversion mode.
---C++: inline
SetBSplineMode(me: mutable; mode: Boolean);
---Purpose: Sets mode for conversion Geom_BSplineSurface to Bezier
---C++: inline
GetBSplineMode(me) returns Boolean;
---Purpose: Returns the Geom_BSplineSurface conversion mode.
---C++: inline
fields
mySegments : CompositeSurface from ShapeExtend;
myPlaneMode : Boolean;
myRevolutionMode: Boolean;
myExtrusionMode : Boolean;
myBSplineMode : Boolean;
end ConvertSurfaceToBezierBasis;
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