///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2002-2016, Open Design Alliance (the "Alliance").
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// All rights reserved.
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//
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// This software and its documentation and related materials are owned by
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// the Alliance. The software may only be incorporated into application
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// programs owned by members of the Alliance, subject to a signed
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// Membership Agreement and Supplemental Software License Agreement with the
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// Alliance. The structure and organization of this software are the valuable
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// trade secrets of the Alliance and its suppliers. The software is also
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// protected by copyright law and international treaty provisions. Application
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// programs incorporating this software must include the following statement
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// with their copyright notices:
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//
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// This application incorporates Teigha(R) software pursuant to a license
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// agreement with Open Design Alliance.
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// Teigha(R) Copyright (C) 2002-2016 by Open Design Alliance.
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// All rights reserved.
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//
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// By use of this software, its documentation or related materials, you
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// acknowledge and accept the above terms.
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _OD_DB_LINE_
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#define _OD_DB_LINE_
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#include "TD_PackPush.h"
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#include "DbCurve.h"
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/** \details
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<group OdDb_Classes>
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This class implements the line object (Line entity) in the database. This class
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inherits the base functionality of entities. A line is a straight segment in world space.
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\sa
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TD_Db
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line.html, Working with Lines>
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OdDbXline, OdDbRay, OdDbMline classes
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*/
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class TOOLKIT_EXPORT OdDbLine : public OdDbCurve
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{
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public:
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ODDB_DECLARE_MEMBERS(OdDbLine);
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/** \details
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Builds an instance of the line object.
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\remarks
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Use the static pseudo-constructor instead it.
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See: <link db_line_overview.html, Overview of Lines>
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*/
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OdDbLine();
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/** \details
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Returns the WCS coordinates of the start point of the line (DXF 10) as
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three-dimensional point instance.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::setStartPoint(), OdDbLine::endPoint() method
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*/
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OdGePoint3d startPoint() const;
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/** \details
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Sets the start point of the line (DXF 10) in WCS. The initial value is (0,0,0) by default.
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\param geStartPoint [in] Three-dimensional point instance to set the start point.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::startPoint(), OdDbLine::setEndPoint() methods
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*/
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void setStartPoint( const OdGePoint3d& geStartPoint );
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/** \details
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Returns the WCS coordinates of the end point of the line (DXF 11) as
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three-dimensional point instance.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::setEndPoint(), OdDbLine::startPoint() methods
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*/
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OdGePoint3d endPoint() const;
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/** \details
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Sets the end point of the line (DXF 11) in WCS. The initial value is (0,0,0) by default.
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\param geEndPoint [in] Three-dimensional point instance to set the end point.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::endPoint(), OdDbLine::setStartPoint() methods
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*/
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void setEndPoint( const OdGePoint3d& geEndPoint );
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/** \details
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Returns the thickness of the line entity (DXF 39) in drawing units. Thickness is the extrusion
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length along the normal. A positive value defines the thickness to be drawn along the normal
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direction. A negative value defines the thickness to be drawn in the opposite direction from
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the normal. A zero value defines a line without thickness.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::setThickness() method
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*/
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double thickness() const;
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/** \details
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Sets the thickness of the line entity (DXF 39) in drawing units. Thickness is the
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extrusion length along the normal. A positive value extrudes along the normal.
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A negative value extrudes opposite from the normal. A zero value defines a line
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without thickness. The initial value is zero by default.
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\param vThickness [in] Thickness as a Double value.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::thickness() method
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*/
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void setThickness( double vThickness );
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/** \details
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Returns the WCS unit vector which is the normal to the plane of the line entity (DXF 210).
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The normal defines the orientation of the line plane in world space.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::setNormal() method
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*/
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OdGeVector3d normal() const;
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/** \details
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Sets the WCS normal to the plane of the line entity (DXF 210). The normal defines
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the orientation of the line plane in world space. The initial value is (0,0,1) by default.
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\param geVector [in] Three-dimensional vector instance to set the normal.
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\remarks
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This method automatically converts the specified vector to the unit vector.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_specific.html, Specific Line Properties>
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OdDbLine::normal() method
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*/
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void setNormal( const OdGeVector3d& geVector );
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virtual OdResult dwgInFields(
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OdDbDwgFiler* pFiler);
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virtual void dwgOutFields(
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OdDbDwgFiler* pFiler) const;
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virtual OdResult dxfInFields(
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OdDbDxfFiler* pFiler);
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virtual void dxfOutFields(
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OdDbDxfFiler* pFiler) const;
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virtual OdResult dxfInFields_R12(
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OdDbDxfFiler* pFiler);
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virtual void dxfOutFields_R12(
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OdDbDxfFiler* pFiler) const;
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virtual bool subWorldDraw(
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OdGiWorldDraw* pWd) const;
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virtual OdResult subGetGeomExtents(
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OdGeExtents3d& extents) const;
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virtual OdResult subGetClassID(
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void* pClsid) const;
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virtual OdResult subTransformBy(
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const OdGeMatrix3d& xfm) ODRX_OVERRIDE;
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virtual bool isClosed() const;
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virtual bool isPeriodic() const;
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/** \details
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Determines whether the line entity is planar as a Boolean value and returns True.
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This method is inherited from the OdDbEntity class.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line.html, Working with Lines>
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OdDbLine::getPlane(), OdDbEntity::isPlanar() methods
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*/
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virtual bool isPlanar() const;
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/** \details
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Gets an arbitrary plane passed through the line entity. This method is inherited from the
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OdDbEntity class.
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\param gePlane [out] Reference to a variable in which this method must save the plane parameters as
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a plane instance.
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\param gePlanarity [out] Reference to a variable in which this method must save the plane type
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(returns kLinear - arbitrary plane).
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line.html, Working with Lines>
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OdDbLine::isPlanar(), OdDbEntity::getPlane() methods
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*/
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virtual OdResult getPlane( OdGePlane& gePlane, OdDb::Planarity& gePlanarity ) const;
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/** \details
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Gets the start parameter value. The start parameter equals a zero for lines.
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Parameter is a distance measured from the start point in drawing units.
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\param startParam [out] Reference to a variable in which this method must save the start
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parameter value as a Double value.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getStartParam( double& startParam ) const;
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/** \details
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Gets the end parameter value. The end parameter equals the line length.
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Parameter is a distance measured from the start point in drawing units.
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\param endParam [out] Reference to a variable in which this method must save the end
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parameter value as a Double value.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getEndParam( double& endParam ) const;
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/** \details
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Computes the WCS coordinates of the start point on the line for which the parameter
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equals zero.
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\param startPoint [out] Reference to a variable in which this method must save the start
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point as three-dimensional point instance.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getStartPoint( OdGePoint3d& startPoint ) const;
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/** \details
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Computes the WCS coordinates of the end point on the line for which the parameter
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equals the line length.
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\param endPoint [out] Reference to a variable in which this method must save the end
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point as three-dimensional point instance.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getEndPoint( OdGePoint3d& endPoint ) const;
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/** \details
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Computes the WCS coordinates of the point on the line at the specified parameter value.
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Parameter is a distance measured from the start point in drawing units.
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\param param [in] Parameter value specifying the point on the line as a Double value.
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\param pointOnCurve [out] Reference to a variable in which this method must save the
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three-dimensional point instance corresponding to the parameter.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getPointAtParam( double param, OdGePoint3d& pointOnCurve ) const;
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/** \details
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Computes the parameter at the point placed on the line. Parameter is a distance
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measured from the start point in drawing units.
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\param pointOnCurve [in] Three-dimensional point instance which specifies the point on
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the line.
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\param param [out] Reference to a variable in which this method must save the parameter
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value as a Double value.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getParamAtPoint( const OdGePoint3d& pointOnCurve, double& param ) const;
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/** \details
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Computes the distance along the line measured from the start point in drawing units
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at the specified parameter.
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\param param [in] Parameter value specifying the point on the line as a Double value.
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\param dist [out] Reference to a variable in which this method must save the distance value
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as a Double value.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getDistAtParam( double param, double& dist ) const;
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/** \details
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Computes the parameter at the distance along the line. Parameter is a distance
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measured from the start point in drawing units.
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\param dist [in] Distance value along the line as a Double value in drawing units.
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\param param [out] Reference to a variable in which this method must save the parameter value
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as a Double value.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getParamAtDist( double dist, double& param ) const;
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/** \details
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Computes the first derivative for the specified parameter of the line entity and returns
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the three-dimensional vector instance. The first derivative is constant for any point of
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the line.
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\param param [in] Parameter value specifying the point on the line as a Double value.
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\param firstDeriv [out] Reference to a variable in which this method must save the first
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derivative as three-dimensional vector instance.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getFirstDeriv( double param, OdGeVector3d& firstDeriv ) const;
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/** \details
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Computes the second derivative for the specified parameter of the line entity and returns
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the three-dimensional vector instance. The second derivative is constant for any point
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of the line.
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\param param [in] Parameter value specifying the point on the line as a Double value.
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\param secondDeriv [out] Reference to a variable in which this method must save the second
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derivative as three-dimensional vector instance.
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\sa
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<link db_line_sample.html, Example of Working with the Line Object>
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\sa
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<link db_line_compute.html, Computed Line Properties>
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*/
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virtual OdResult getSecondDeriv( double param, OdGeVector3d& secondDeriv ) const;
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/** \details
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Returns a zero for the line entity.
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*/
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virtual OdResult getArea( double& area ) const;
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TD_USING(OdDbCurve::getFirstDeriv);
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TD_USING(OdDbCurve::getSecondDeriv);
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/*
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void getOffsetCurvesGivenPlaneNormal(
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const OdGeVector3d& normal, double offsetDist,
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OdRxObjectPtrArray& offsetCurves) const;
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*/
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OdGeMatrix3d getEcs( ) const;
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virtual OdResult getOdGeCurve(OdGeCurve3d*& pGeCurve, const OdGeTol& tol = OdGeContext::gTol) const;
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virtual OdResult setFromOdGeCurve(const OdGeCurve3d& geCurve, OdGeVector3d *normal = NULL, const OdGeTol& tol = OdGeContext::gTol);
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virtual OdResult reverseCurve();
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};
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/** \details
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The typified smart pointer for the line object (Line entity). This template class
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is specialization of the OdSmartPtr class for the OdDbLine class.
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\sa
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<link smart_pointers.html, Working with Smart Pointers>
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*/
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typedef OdSmartPtr<OdDbLine> OdDbLinePtr;
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#include "TD_PackPop.h"
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#endif
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