///////////////////////////////////////////////////////////////////////////////
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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 _TRIANGULATIONPARAMS_H_
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#define _TRIANGULATIONPARAMS_H_
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#include "TD_PackPush.h"
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#include "OdHeap.h"
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/** \details
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This container class holds ACIS triangulation (rendering) parameters.
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<group Other_Classes>
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\remarks
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Default triangulation parameters:
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<table>
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Parameter Default
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maxNumGridLines 10000
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maxFacetEdgeLength 0
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normalTolerance 15
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surfaceTolerance 0
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gridAspectRatio 0
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PointsPerEdge 0
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BetweenKnots 2
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bUseFacetRES false
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</table>
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*/
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class wrTriangulationParams
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{
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public:
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/** \details
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Maximum number of grid lines.*/
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OdUInt32 maxNumGridLines;
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/** \details
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Maximum facet edge length.
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*/
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double maxFacetEdgeLength;
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/** \details
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NormalTolerance allows to specify the tessellation quality of circular surfaces (such as Cone, Torus, Sphere or Cylinder).
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It is measured in degrees. The value of this parameter determines the quantity of mesh cells (triangles) used to represent a circular surface (360/NormalTolerance).
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Default value is 15. It means, for an example, that surface will be tessellated with 24 mesh cells (triangles) in circular direction.
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*/
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double normalTolerance;
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/** \details
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Distance tolerance for coincident faces.
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*/
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double surfaceTolerance;
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/** \details
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Grid aspect ratio.
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*/
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double gridAspectRatio;
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/** \details
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Distance between knots. This parameter contains the number of additional points between knots; for NURB surfaces it contains number of additional isolines between knots.
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*/
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OdUInt16 BetweenKnots;
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/** \details
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Points quantity per edge.
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*/
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OdUInt32 PointsPerEdge;
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/** \details
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Use Facetres System variable.
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*/
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bool bUseFacetRES;
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/** \details
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Fast mode is much more faster, but generates more errors.
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*/
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bool bFastMode;
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/** \details
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Default constructor. Sets the following default triangulation parameters:
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<table>
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Parameter Default
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maxNumGridLines 10000
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maxFacetEdgeLength 0
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normalTolerance 15
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surfaceTolerance 0
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gridAspectRatio 0
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PointsPerEdge 0
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BetweenKnots 2
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bUseFacetRES false
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</table>
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*/
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wrTriangulationParams()
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: maxNumGridLines(10000)
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, maxFacetEdgeLength(0)
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, normalTolerance(15)
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, surfaceTolerance(0)
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, gridAspectRatio(0)
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, BetweenKnots(2)
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, PointsPerEdge(0)
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, bUseFacetRES(false)
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, bFastMode(false)
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{
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}
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/** \details
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Comparing operator for wrTriangulationParams class.
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\param other [in] A wrTriangulationParams object to be compared with.
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Note that bUseFacetRES property is NOT compared.
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*/
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bool operator ==(const wrTriangulationParams other) const
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{
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return other.maxNumGridLines == maxNumGridLines
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&& other.maxFacetEdgeLength == maxFacetEdgeLength
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&& other.normalTolerance == normalTolerance
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&& other.surfaceTolerance == surfaceTolerance
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&& other.gridAspectRatio == gridAspectRatio
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&& other.PointsPerEdge == PointsPerEdge
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&& other.BetweenKnots == BetweenKnots;
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// bUseFacetRES, bFastMode skipped
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}
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};
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#include "TD_PackPop.h"
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#endif // _TRIANGULATIONPARAMS_H_
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