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C++ ON_Brep::GetTrim3dStart方法代码示例

本文整理汇总了C++中ON_Brep::GetTrim3dStart方法的典型用法代码示例。如果您正苦于以下问题:C++ ON_Brep::GetTrim3dStart方法的具体用法?C++ ON_Brep::GetTrim3dStart怎么用?C++ ON_Brep::GetTrim3dStart使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ON_Brep的用法示例。


在下文中一共展示了ON_Brep::GetTrim3dStart方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: RebuildVertexToTrimEnd

static bool RebuildVertexToTrimEnd(ON_BrepTrim& T, int end)

{
  ON_Brep* pB = T.Brep();
  if (!pB) return false;
  int vid = T.m_vi[end];
  if (vid < 0) return false;
  ON_BrepVertex& V = pB->m_V[vid];
  ON_3dPoint P;
  if (end){
    if (!pB->GetTrim3dEnd(T.m_trim_index, P))
      return false;
  }
  else {
    if (!pB->GetTrim3dStart(T.m_trim_index, P))
      return false;
  }

  V.SetPoint(P);

  return true;

}
开发者ID:ckvk,项目名称:opennurbs,代码行数:23,代码来源:opennurbs_brep_changesrf.cpp

示例2: SplitSeam

static
bool SplitSeam( ON_Brep& brep, 
                ON_BrepTrim& trimA, ON_BrepTrim& trimB,
                ON_BrepTrim& prevtrimB,
                ON_BrepTrim& nexttrimB,
                int vcount0 // number of verts before singular fixups
                )
{
  if ( trimA.m_trim_index == trimB.m_trim_index )
    return false;
  if ( trimA.m_trim_index == prevtrimB.m_trim_index )
    return false;
  if ( trimA.m_trim_index == nexttrimB.m_trim_index )
    return false;
  if ( trimB.m_trim_index == prevtrimB.m_trim_index )
    return false;
  if ( trimB.m_trim_index == nexttrimB.m_trim_index )
    return false;
  if ( prevtrimB.m_trim_index == nexttrimB.m_trim_index )
    return false;
  if ( trimA.m_type != ON_BrepTrim::seam )
    return false;
  if ( trimB.m_type != ON_BrepTrim::seam )
    return false;
  if ( trimA.m_ei != trimB.m_ei )
    return false;
  if (    trimA.m_vi[0] != trimB.m_vi[1] 
       && trimA.m_vi[0] < vcount0
       && trimB.m_vi[1] < vcount0 )
    return false;
  if (    trimA.m_vi[1] != trimB.m_vi[0] 
       && trimA.m_vi[1] < vcount0
       && trimB.m_vi[0] < vcount0 )
    return false;
  if ( prevtrimB.m_vi[1] != trimB.m_vi[0] 
       && prevtrimB.m_vi[1] < vcount0
       && trimB.m_vi[0] < vcount0 )
    return false;
  if ( nexttrimB.m_vi[0] != trimB.m_vi[1]
       && prevtrimB.m_vi[0] < vcount0
       && trimB.m_vi[1] < vcount0 )
    return false;
  if ( trimA.m_li != trimB.m_li )
    return false;
  if ( trimA.m_li != prevtrimB.m_li )
    return false;
  if ( trimA.m_li != nexttrimB.m_li )
    return false;
  if ( trimA.m_bRev3d == trimB.m_bRev3d )
    return false;
  const ON_Surface* srf = trimA.SurfaceOf();
  if ( 0 == srf )
    return false;
  ON_BrepEdge* edgeA = brep.Edge(trimA.m_ei);
  if ( 0 == edgeA )
    return false;
  if ( edgeA->m_ti.Count() != 2 )
    return false;
  if ( edgeA->m_ti[0] != trimA.m_trim_index && edgeA->m_ti[1] != trimA.m_trim_index )
    return false;
  if ( edgeA->m_ti[0] != trimB.m_trim_index && edgeA->m_ti[1] != trimB.m_trim_index )
    return false;

  // reserve space now so the vA0 and vA1 pointers
  // will be valid if m_V[] is grown.
  brep.m_V.Reserve( brep.m_V.Count()+2 );

  ON_BrepVertex* vA0 = brep.Vertex(trimA.m_vi[0]);
  if ( 0 == vA0 )
    return false;
  ON_BrepVertex* vA1 = brep.Vertex(trimA.m_vi[1]);
  if ( 0 == vA1 )
    return false;

  // looks like we have a valid seam to blow apart

  // get a new 3d curve for trimB
  ON_Curve* cB3 = PushUpIsoTrim( brep, trimB );
  if ( 0 == cB3 )
    return false;
  int c3i = brep.AddEdgeCurve(cB3);

  vA0->m_tolerance = ON_UNSET_VALUE;
  vA1->m_tolerance = ON_UNSET_VALUE;

  // make new vertices for trimB
  ON_BrepVertex* vB0 = 0;
  ON_BrepVertex* vB1 = 0;

  ON_3dPoint PA, PB;
  bool bSame = false;

  if (brep.GetTrim3dStart(trimB.m_trim_index, PB) && brep.GetTrim3dEnd(trimA.m_trim_index, PA))
    bSame = PB.DistanceTo(PA) < ON_ZERO_TOLERANCE;
  if (bSame || trimB.m_vi[0] != trimA.m_vi[1] )
  {
    // sing fixups have already blown apart this end
    vB0 = brep.Vertex( trimB.m_vi[0] );
  }

//.........这里部分代码省略.........
开发者ID:ckvk,项目名称:opennurbs,代码行数:101,代码来源:opennurbs_brep_changesrf.cpp


注:本文中的ON_Brep::GetTrim3dStart方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。