/// <summary>
/// Constructs a new tree with an element for each point cloud point.
/// </summary>
/// <param name="cloud">A point cloud.</param>
/// <returns>A new tree, or null on error.</returns>
/// <since>5.0</since>
public static RTree CreatePointCloudTree(PointCloud cloud)
{
if (cloud == null)
{
throw new ArgumentNullException(nameof(cloud));
}
IntPtr const_ptr_cloud = cloud.ConstPointer();
IntPtr ptr_rtree = UnsafeNativeMethods.ON_RTree_CreatePointCloudTree(const_ptr_cloud);
if (IntPtr.Zero == ptr_rtree)
{
return(null);
}
RTree rc = new RTree(ptr_rtree);
uint size = UnsafeNativeMethods.ON_RTree_SizeOf(ptr_rtree);
rc.m_memory_pressure = size;
GC.AddMemoryPressure(rc.m_memory_pressure);
rc.m_count = cloud.Count;
GC.KeepAlive(cloud);
return(rc);
}
internal PointCloudItem(PointCloud parent, int index)
{
m_parent = parent;
m_index = index;
}
public PointCloudPoints(PointCloud ptc)
{
m_ptc = ptc;
}
internal static GeometryBase CreateGeometryHelper(IntPtr pGeometry, object parent, int subobjectIndex)
{
if (IntPtr.Zero == pGeometry)
{
return(null);
}
var type = UnsafeNativeMethods.ON_Geometry_GetGeometryType(pGeometry);
if (type < 0)
{
return(null);
}
GeometryBase rc = null;
switch (type)
{
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Curve: //1
rc = new Curve(pGeometry, parent, subobjectIndex);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_NurbsCurve: //2
rc = new NurbsCurve(pGeometry, parent, subobjectIndex);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_PolyCurve: // 3
rc = new PolyCurve(pGeometry, parent, subobjectIndex);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_PolylineCurve: //4
rc = new PolylineCurve(pGeometry, parent, subobjectIndex);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_ArcCurve: //5
rc = new ArcCurve(pGeometry, parent, subobjectIndex);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_LineCurve: //6
rc = new LineCurve(pGeometry, parent, subobjectIndex);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Mesh: //7
rc = new Mesh(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Point: //8
rc = new Point(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_TextDot: //9
rc = new TextDot(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Surface: //10
rc = new Surface(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Brep: //11
rc = new Brep(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_NurbsSurface: //12
rc = new NurbsSurface(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_RevSurface: //13
rc = new RevSurface(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_PlaneSurface: //14
rc = new PlaneSurface(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_ClippingPlaneSurface: //15
rc = new ClippingPlaneSurface(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Hatch: // 17
rc = new Hatch(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_SumSurface: //19
rc = new SumSurface(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_BrepFace: //20
{
int faceindex = -1;
IntPtr ptr_brep = UnsafeNativeMethods.ON_BrepSubItem_Brep(pGeometry, ref faceindex);
if (ptr_brep != IntPtr.Zero && faceindex >= 0)
{
Brep b = new Brep(ptr_brep, parent);
rc = b.Faces[faceindex];
}
}
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_BrepEdge: // 21
{
int edgeindex = -1;
IntPtr ptr_brep = UnsafeNativeMethods.ON_BrepSubItem_Brep(pGeometry, ref edgeindex);
if (ptr_brep != IntPtr.Zero && edgeindex >= 0)
{
Brep b = new Brep(ptr_brep, parent);
rc = b.Edges[edgeindex];
}
}
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_InstanceReference: // 23
rc = new InstanceReferenceGeometry(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Extrusion: //24
rc = new Extrusion(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_PointCloud: // 26
rc = new PointCloud(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_DetailView: // 27
rc = new DetailView(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Light: //32
rc = new Light(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_PointGrid: //33
rc = new Point3dGrid(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_MorphControl: //34
rc = new MorphControl(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_BrepLoop: //35
{
int loopindex = -1;
IntPtr ptr_brep = UnsafeNativeMethods.ON_BrepSubItem_Brep(pGeometry, ref loopindex);
if (ptr_brep != IntPtr.Zero && loopindex >= 0)
{
Brep b = new Brep(ptr_brep, parent);
rc = b.Loops[loopindex];
}
}
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_BrepTrim: // 36
{
int trimindex = -1;
IntPtr ptr_brep = UnsafeNativeMethods.ON_BrepSubItem_Brep(pGeometry, ref trimindex);
if (ptr_brep != IntPtr.Zero && trimindex >= 0)
{
Brep b = new Brep(ptr_brep, parent);
rc = b.Trims[trimindex];
}
}
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Leader: // 38
rc = new Leader(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_SubD: // 39
rc = new SubD(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_DimLinear: //40
rc = new LinearDimension(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_DimAngular: //41
rc = new AngularDimension(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_DimRadial: //42
rc = new RadialDimension(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_DimOrdinate: //43
rc = new OrdinateDimension(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Centermark: //44
rc = new Centermark(pGeometry, parent);
break;
case UnsafeNativeMethods.OnGeometryTypeConsts.ON_Text: //45
rc = new TextEntity(pGeometry, parent);
break;
default:
rc = new UnknownGeometry(pGeometry, parent, subobjectIndex);
break;
}
return(rc);
}