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63 lines
2.9 KiB
Plaintext
Executable File
63 lines
2.9 KiB
Plaintext
Executable File
-- Created on: 1993-09-07
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-- Created by: Christian CAILLET
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-- Copyright (c) 1993-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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deferred class SpecificModule from IGESData inherits Transient
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---Purpose : This class defines some Services which are specifically
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-- attached to IGES Entities : Dump
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uses IGESEntity, IGESDumper,
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Messenger from Message
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is
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OwnDump (me; CN : Integer; ent : IGESEntity;
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dumper : IGESDumper; S : Messenger from Message; own : Integer)
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is deferred;
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---Purpose : Specific Dump for each type of IGES Entity : it concerns only
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-- own parameters, the general data (Directory Part, Lists) are
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-- taken into account by the IGESDumper
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-- See class IGESDumper for the rules to follow for <own> and
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-- <attached> level
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OwnCorrect (me; CN : Integer; ent : mutable IGESEntity)
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returns Boolean is virtual;
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---Purpose : Specific Automatic Correction on own Parameters of an Entity.
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-- It works by setting in accordance redundant data, if there are
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-- when there is no ambiguity (else, it does nothing).
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-- Remark that classic Corrections on Directory Entry (to set
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-- void data) are taken into account alsewhere.
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--
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-- For instance, many "Associativity Entities" have a Number of
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-- Properties which must have a fixed value.
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-- Or, a ConicalArc has its Form Number which records the kind of
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-- Conic, also determined from its coefficients
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-- But, a CircularArc of which Distances (Center-Start) and
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-- (Center-End) are not equal cannot be corrected ...
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--
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-- Returns True if something has been corrected in <ent>
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-- By default, does nothing. If at least one of the Types
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-- processed by a sub-class of SpecificModule has a Correct
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-- procedure attached, this method can be redefined
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end SpecificModule;
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