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-- File: DsgPrs.cdl
-- Created: Mon Oct 3 15:35:36 1994
-- Author: Arnaud BOUZY
-- <adn@houblon>
---Copyright: Matra Datavision 1994
package DsgPrs
---Purpose: Describes Standard Presentations for DsgIHM objects
uses Prs3d,
gp,
TCollection,
TopoDS,
Quantity,
Geom
is
enumeration ArrowSide is AS_NONE,AS_FIRSTAR,AS_LASTAR,AS_BOTHAR,AS_FIRSTPT,AS_LASTPT,AS_BOTHPT,
AS_FIRSTAR_LASTPT,AS_FIRSTPT_LASTAR;
---Purpose: Designates how many arrows will be displayed and
-- where they will be displayed in presenting a length.
class EllipseRadiusPresentation;
class LengthPresentation;
class RadiusPresentation;
class DiameterPresentation;
class FilletRadiusPresentation;
class AnglePresentation;
class Chamf2dPresentation;
class ParalPresentation;
class PerpenPresentation;
class SymmetricPresentation; -- presentation for axial symmetry
class MidPointPresentation; -- presentation for equal distance from point
class TangentPresentation;
class ConcentricPresentation;
class FixPresentation;
class IdenticPresentation;
class EqualRadiusPresentation;
class EqualDistancePresentation;
class SymbPresentation;
class ShapeDirPresentation;
class OffsetPresentation;
class DatumTool;
class DatumPrs instantiates Datum from Prs3d(Ax2 from gp,
DatumTool from DsgPrs);
class XYZAxisPresentation;
class XYZPlanePresentation;
class ShadedPlanePresentation;
ComputeSymbol(aPresentation: Presentation from Prs3d;
anAspect: AngleAspect from Prs3d;
pt1,pt2:Pnt from gp;
dir1,dir2: Dir from gp;
ArrowSide: ArrowSide from DsgPrs);
---Purpose: draws symbols ((one or two) arrows,(one or two)points
-- at thebeginning and at the end of the dimension
ComputeSymbol(aPresentation: Presentation from Prs3d;
anAspect: LengthAspect from Prs3d;
pt1,pt2:Pnt from gp;
dir1,dir2: Dir from gp;
ArrowSide: ArrowSide from DsgPrs;
drawFromCenter: Boolean = Standard_True);
---Purpose: draws symbols ((one or two) arrows,(one or two)points
-- at thebeginning and at the end of the dimension
ComputePlanarFacesLengthPresentation( FirstArrowLength : Real from Standard;
SecondArrowLength : Real from Standard;
AttachmentPoint1 : Pnt from gp;
AttachmentPoint2 : Pnt from gp;
DirAttach : Dir from gp;
OffsetPoint : Pnt from gp;
PlaneOfFaces : Pln from gp;
EndOfArrow1 : out Pnt from gp;
EndOfArrow2 : out Pnt from gp;
DirOfArrow1 : out Dir from gp );
ComputeCurvilinearFacesLengthPresentation( FirstArrowLength : Real from Standard;
SecondArrowLength : Real from Standard;
SecondSurf : Surface from Geom;
AttachmentPoint1 : Pnt from gp;
AttachmentPoint2 : Pnt from gp;
DirAttach : Dir from gp;
EndOfArrow2 : out Pnt from gp;
DirOfArrow1 : out Dir from gp;
VCurve : out Curve from Geom;
UCurve : out Curve from Geom;
FirstU : out Real from Standard;
deltaU : out Real from Standard;
FirstV : out Real from Standard;
deltaV : out Real from Standard );
ComputeFacesAnglePresentation( ArrowLength : Real from Standard;
Value : Real from Standard;
CenterPoint : Pnt from gp;
AttachmentPoint1 : Pnt from gp;
AttachmentPoint2 : Pnt from gp;
dir1 : Dir from gp;
dir2 : Dir from gp;
axisdir : Dir from gp;
isPlane : Boolean from Standard;
AxisOfSurf : Ax1 from gp;
OffsetPoint : Pnt from gp;
AngleCirc : out Circ from gp;
FirstParAngleCirc : out Real from Standard;
LastParAngleCirc : out Real from Standard;
EndOfArrow1 : out Pnt from gp;
EndOfArrow2 : out Pnt from gp;
DirOfArrow1 : out Dir from gp;
DirOfArrow2 : out Dir from gp;
ProjAttachPoint2 : out Pnt from gp;
AttachCirc : out Circ from gp;
FirstParAttachCirc : out Real from Standard;
LastParAttachCirc : out Real from Standard );
ComputeRadiusLine( aCenter : Pnt from gp;
anEndOfArrow : Pnt from gp;
aPosition : Pnt from gp;
drawFromCenter: Boolean from Standard;
aRadLineOrign : out Pnt from gp;
aRadLineEnd : out Pnt from gp);
ComputeFilletRadiusPresentation( ArrowLength : Real from Standard;
Value : Real from Standard;
Position : Pnt from gp;
NormalDir : Dir from gp;
FirstPoint : Pnt from gp;
SecondPoint : Pnt from gp;
Center : Pnt from gp;
BasePnt : Pnt from gp;
drawRevers : Boolean from Standard;
SpecCase : out Boolean from Standard;
FilletCirc : out Circ from gp;
FirstParCirc : out Real from Standard;
LastParCirc : out Real from Standard;
EndOfArrow : out Pnt from gp;
DirOfArrow : out Dir from gp;
DrawPosition : out Pnt from gp );
---Purpose: computes Geometry for fillet radius presentation;
-- special case flag SpecCase equal Standard_True if
-- radius of fillet circle = 0 or if anngle between
-- Vec1(Center, FirstPoint) and Vec2(Center,SecondPoint) equal 0 or PI
DistanceFromApex( elips : Elips from gp;
Apex : Pnt from gp;
par : Real from Standard)
returns Real from Standard;
---Purpose: computes length of ellipse arc in parametric units
end DsgPrs;
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