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-- File: SectionLine.cdl
-- Created: Tue Jun 18 10:04:18 1991
-- Author: Didier PIFFAULT
-- <dpf@phobox>
---Copyright: Matra Datavision 1991, 1992
class SectionLine from Intf
---Purpose: Describe a polyline of intersection between two
-- polyhedra as a sequence of points of intersection.
uses SectionPoint from Intf,
SeqOfSectionPoint from Intf
raises OutOfRange from Standard
is
-- User Interface :
NumberOfPoints (me)
returns Integer is static;
---Purpose: Returns number of points in this SectionLine.
---C++: inline
GetPoint (me;
Index : in Integer)
returns SectionPoint from Intf
raises OutOfRange from Standard
is static;
---Purpose: Gives the point of intersection of address <Index> in the
-- SectionLine.
--
---C++: return const &
IsClosed (me)
returns Boolean is static;
---Purpose: Returns True if the SectionLine is closed.
Contains (me;
ThePI : in SectionPoint from Intf)
returns Boolean is static;
---Purpose: Returns True if ThePI is in the SectionLine <me>.
IsEnd (me;
ThePI : in SectionPoint from Intf)
returns Integer is static;
---Purpose: Checks if <ThePI> is an end of the SectionLine. Returns 1
-- for the beginning, 2 for the end, otherwise 0.
IsEqual (me;
Other : in SectionLine from Intf) -- in like me);
returns Boolean is static;
---Purpose: Compares two SectionLines.
--
---C++: alias operator ==
-- Builder :
Create returns SectionLine;
---Purpose: Constructs an empty SectionLine.
Create (Other : SectionLine)
returns SectionLine;
---Purpose: Copies a SectionLine.
Append (me : in out;
Pi : in SectionPoint from Intf)
is static;
---Purpose: Adds a point at the end of the SectionLine.
Append (me : in out;
LS : in out SectionLine from Intf)
is static;
---Purpose: Concatenates the SectionLine <LS> at the end of the
-- SectionLine <me>.
Prepend (me : in out;
Pi : in SectionPoint from Intf)
is static;
---Purpose: Adds a point to the beginning of the SectionLine <me>.
Prepend (me : in out;
LS : in out SectionLine from Intf)
is static;
---Purpose: Concatenates a SectionLine <LS> at the beginning of the
-- SectionLine <me>.
Reverse (me : in out)
is static;
---Purpose: Reverses the order of the elements of the SectionLine.
Close (me : in out)
is static;
---Purpose: Closes the SectionLine.
Dump (me;
Indent : in Integer) is static;
fields
myPoints : SeqOfSectionPoint from Intf;
closed : Boolean;
end SectionLine;
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