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94 lines
4.5 KiB
Plaintext
94 lines
4.5 KiB
Plaintext
-- Created on: 1998-06-03
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-- Created by: data exchange team
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-- Copyright (c) 1998-1999 Matra Datavision
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-- Copyright (c) 1999-2014 OPEN CASCADE SAS
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--
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-- This file is part of Open CASCADE Technology software library.
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--
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-- This library is free software; you can redistribute it and/or modify it under
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-- the terms of the GNU Lesser General Public License version 2.1 as published
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-- by the Free Software Foundation, with special exception defined in the file
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-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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-- distribution for complete text of the license and disclaimer of any warranty.
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--
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-- Alternatively, this file may be used under the terms of Open CASCADE
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-- commercial license or contractual agreement.
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class ReShape from ShapeBuild inherits ReShape from BRepTools
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---Purpose: Rebuilds a Shape by making pre-defined substitutions on some
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-- of its components
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--
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-- In a first phase, it records requests to replace or remove
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-- some individual shapes
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-- For each shape, the last given request is recorded
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-- Requests may be applied "Oriented" (i.e. only to an item with
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-- the SAME orientation) or not (the orientation of replacing
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-- shape is respectful of that of the original one)
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--
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-- Then, these requests may be applied to any shape which may
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-- contain one or more of these individual shapes
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uses
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ShapeEnum from TopAbs,
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Shape from TopoDS,
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Status from ShapeExtend
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is
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Create returns ReShape from ShapeBuild;
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---Purpose: Returns an empty Reshape
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Apply (me: mutable; shape: Shape from TopoDS; until: ShapeEnum from TopAbs; buildmode: Integer)
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returns Shape from TopoDS is redefined;
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---Purpose: Applies the substitutions requests to a shape
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--
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-- <until> gives the level of type until which requests are taken
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-- into account. For subshapes of the type <until> no rebuild
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-- and futher exploring are done.
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-- ACTUALLY, NOT IMPLEMENTED BELOW TopAbs_FACE
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--
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-- <buildmode> says how to do on a SOLID,SHELL ... if one of its
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-- sub-shapes has been changed:
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-- 0: at least one Replace or Remove -> COMPOUND, else as such
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-- 1: at least one Remove (Replace are ignored) -> COMPOUND
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-- 2: Replace and Remove are both ignored
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-- If Replace/Remove are ignored or absent, the result as same
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-- type as the starting shape
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Apply (me: mutable; shape: Shape from TopoDS; until: ShapeEnum from TopAbs = TopAbs_SHAPE)
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returns Shape from TopoDS is redefined;
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---Purpose: Applies the substitutions requests to a shape.
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--
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-- <until> gives the level of type until which requests are taken
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-- into account. For subshapes of the type <until> no rebuild
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-- and futher exploring are done.
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--
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-- NOTE: each subshape can be replaced by shape of the same type
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-- or by shape containing only shapes of that type (for
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-- example, TopoDS_Edge can be replaced by TopoDS_Edge,
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-- TopoDS_Wire or TopoDS_Compound containing TopoDS_Edges).
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-- If incompatible shape type is encountered, it is ignored
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-- and flag FAIL1 is set in Status.
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Status (me: mutable; shape: Shape from TopoDS; newsh: out Shape from TopoDS; last : Boolean = Standard_False)
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returns Integer is redefined;
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---Purpose: Returns a complete substitution status for a shape
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-- 0 : not recorded, <newsh> = original <shape>
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-- < 0: to be removed, <newsh> is NULL
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-- > 0: to be replaced, <newsh> is a new item
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-- If <last> is False, returns status and new shape recorded in
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-- the map directly for the shape, if True and status > 0 then
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-- recursively searches for the last status and new shape.
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Status (me; status: Status from ShapeExtend) returns Boolean is virtual;
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---Purpose: Queries the status of last call to Apply(shape,enum)
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-- OK : no (sub)shapes replaced or removed
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-- DONE1: source (starting) shape replaced
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-- DONE2: source (starting) shape removed
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-- DONE3: some subshapes replaced
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-- DONE4: some subshapes removed
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-- FAIL1: some replacements not done because of bad type of subshape
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end ReShape;
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