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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
183 lines
7.3 KiB
C++
183 lines
7.3 KiB
C++
// Created on: 1993-09-21
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// Created by: Christian CAILLET
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 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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#ifndef _IGESData_ToolLocation_HeaderFile
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#define _IGESData_ToolLocation_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Real.hxx>
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#include <Interface_GeneralLib.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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#include <MMgt_TShared.hxx>
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#include <Standard_Boolean.hxx>
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class IGESData_IGESModel;
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class Standard_DomainError;
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class IGESData_Protocol;
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class IGESData_IGESEntity;
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class gp_GTrsf;
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class gp_Trsf;
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class IGESData_ToolLocation;
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DEFINE_STANDARD_HANDLE(IGESData_ToolLocation, MMgt_TShared)
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//! This Tool determines and gives access to effective Locations
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//! of IGES Entities as defined by the IGES Norm. These Locations
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//! can be for each Entity :
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//! - on one part, explicitly defined by a Transf in Directory
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//! Part (this Transf can be itself compound); if not defined,
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//! no proper Transformation is defined
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//! - on the other part, implicitly defined by a reference from
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//! another Entity : its Parent
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//! Both implicit and explicit locations are combinable.
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//!
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//! Implicit definition can be itself defined, either through the
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//! definition of an Entity (i.e. a Composite Curve references
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//! a list of Curves), or by a specific Associativity, of type
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//! SingleParentEntity, by which the Location of the Parent is
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//! applied to the Childs defined by this Associativity.
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//! Remark that a Transf itself has no Location, but it can be
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//! compound
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//!
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//! This is a TShared object, then it is easier to use in an
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//! interactive session
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class IGESData_ToolLocation : public MMgt_TShared
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{
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public:
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//! Creates a ToolLocation on a given Model, filled with the help
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//! of a Protocol (which allows to known Entities referenced by
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//! other ones)
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Standard_EXPORT IGESData_ToolLocation(const Handle(IGESData_IGESModel)& amodel, const Handle(IGESData_Protocol)& protocol);
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//! Does the effective work of determining Locations of Entities
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Standard_EXPORT void Load();
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//! Sets a precision for the Analysis of Locations
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//! (default by constructor is 1.E-05)
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Standard_EXPORT void SetPrecision (const Standard_Real prec);
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//! Sets the "Reference" information for <child> as being <parent>
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//! Sets an Error Status if already set (see method IsAmbiguous)
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Standard_EXPORT void SetReference (const Handle(IGESData_IGESEntity)& parent, const Handle(IGESData_IGESEntity)& child);
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//! Sets the "Associativity" information for <child> as being
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//! <parent> (it must be the Parent itself, not the Associativity)
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Standard_EXPORT void SetParentAssoc (const Handle(IGESData_IGESEntity)& parent, const Handle(IGESData_IGESEntity)& child);
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//! Resets all informations about dependences for <child>
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Standard_EXPORT void ResetDependences (const Handle(IGESData_IGESEntity)& child);
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//! Unitary action which defines Entities referenced by <ent>
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//! (except those in Directory Part and Associativities List)
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//! as Dependent (their Locations are related to that of <ent>)
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Standard_EXPORT void SetOwnAsDependent (const Handle(IGESData_IGESEntity)& ent);
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//! Returns True if <ent> is kind of TransfEntity. Then, it has
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//! no location, while it can be used to define a Location)
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Standard_EXPORT Standard_Boolean IsTransf (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns True if <ent> is an Associativity (IGES Type 402).
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//! Then, Location does not apply.
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Standard_EXPORT Standard_Boolean IsAssociativity (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns True if <ent> has a Transformation Matrix in proper
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//! (referenced from its Directory Part)
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Standard_EXPORT Standard_Boolean HasTransf (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns the Explicit Location defined by the Transformation
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//! Matrix of <ent>. Identity if there is none
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Standard_EXPORT gp_GTrsf ExplicitLocation (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns True if more than one Parent has been determined for
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//! <ent>, by adding direct References and Associativities
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Standard_EXPORT Standard_Boolean IsAmbiguous (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns True if <ent> is dependent from one and only one other
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//! Entity, either by Reference or by Associativity
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Standard_EXPORT Standard_Boolean HasParent (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns the unique Parent recorded for <ent>.
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//! Returns a Null Handle if there is none
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Standard_EXPORT Handle(IGESData_IGESEntity) Parent (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns True if the Parent, if there is one, is defined by
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//! a SingleParentEntity Associativity
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//! Else, if HasParent is True, it is by Reference
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Standard_EXPORT Standard_Boolean HasParentByAssociativity (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns the effective Location of the Parent of <ent>, if
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//! there is one : this Location is itself given as compound
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//! according dependences on the Parent, if there are some.
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//! Returns an Identity Transformation if no Parent is recorded.
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Standard_EXPORT gp_GTrsf ParentLocation (const Handle(IGESData_IGESEntity)& ent) const;
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//! Returns the effective Location of an Entity, i.e. the
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//! composition of its proper Transformation Matrix (returned by
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//! Transf) and its Parent's Location (returned by ParentLocation)
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Standard_EXPORT gp_GTrsf EffectiveLocation (const Handle(IGESData_IGESEntity)& ent) const;
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//! Analysis a Location given as a GTrsf, by trying to convert it
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//! to a Trsf (i.e. to a True Location of which effect is
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//! described by an Isometry or a Similarity)
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//! Works with the Precision given by default or by SetPrecision
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//! Calls ConvertLocation (see below)
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Standard_EXPORT Standard_Boolean AnalyseLocation (const gp_GTrsf& loc, gp_Trsf& result) const;
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//! Convertion of a Location, from GTrsf form to Trsf form
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//! Works with a precision given as argument.
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//! Returns True if the Conversion is possible, (hence, <result>
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//! contains the converted location), False else
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//! <unit>, if given, indicates the unit in which <loc> is defined
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//! in meters. It concerns the translation part (to be converted.
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//!
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//! As a class method, it can be called separately
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Standard_EXPORT static Standard_Boolean ConvertLocation (const Standard_Real prec, const gp_GTrsf& loc, gp_Trsf& result, const Standard_Real uni = 1);
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DEFINE_STANDARD_RTTI(IGESData_ToolLocation,MMgt_TShared)
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protected:
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private:
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Standard_Real theprec;
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Handle(IGESData_IGESModel) themodel;
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Interface_GeneralLib thelib;
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TColStd_Array1OfInteger therefs;
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TColStd_Array1OfInteger theassocs;
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};
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#endif // _IGESData_ToolLocation_HeaderFile
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