//累加模型体积
private int AddVolumeProperty(VolumeProperties vp, Entity ent, out bool blockReferenceNotScaled, bool all = false, bool isParentSelected = false)
{
int count = 0;
blockReferenceNotScaled = true;
if (all || ent.Selected || isParentSelected)
{
if (ent is IFace)
{
IFace itfFace = (IFace)ent;
Mesh[] meshes = itfFace.GetPolygonMeshes();
foreach (Mesh mesh in meshes)
{
vp.Add(mesh.Vertices, mesh.Triangles);
}
count++;
}
else if (ent is BlockReference)
{
var br = (BlockReference)ent;
if (br.GetScaleFactorX() != 1 &&
br.GetScaleFactorY() != 1 &&
br.GetScaleFactorZ() != 1)
{
blockReferenceNotScaled = false;
return(count);
}
foreach (var e in br.GetEntities(model.Blocks))
{
count += AddVolumeProperty(vp, e, out blockReferenceNotScaled, true);
if (!blockReferenceNotScaled)
{
return(count);
}
}
}
}
return(count);
}
//累加模型面积
private int AddAreaProperty(AreaProperties ap, Entity ent, out bool blockReferenceNotScaled, bool isParentSelected = false, bool all = false)
{
int count = 0;
blockReferenceNotScaled = true;
if (all || ent.Selected || isParentSelected)
{
if (ent is IFace)
{
IFace itfFace = (IFace)ent;
Mesh[] meshes = itfFace.GetPolygonMeshes();
foreach (Mesh mesh in meshes)
{
ap.Add(mesh.Vertices, mesh.Triangles);
}
count++;
}
else if (ent is BlockReference)
{
var br = (BlockReference)ent;
if (br.GetScaleFactorX() != 1 &&
br.GetScaleFactorY() != 1 &&
br.GetScaleFactorZ() != 1)
{
blockReferenceNotScaled = false;
return(count);
}
foreach (var e in br.GetEntities(model.Blocks))
{
count += AddAreaProperty(ap, e, out blockReferenceNotScaled, true);
if (!blockReferenceNotScaled)
{
return(count);
}
}
}
else
{
ICurve itfCurve = (ICurve)ent;
if (itfCurve.IsClosed)
{
ap.Add(ent.Vertices);
}
count++;
}
}
else if (ent is Brep)
{
Brep brep = (Brep)ent;
for (int j = 0; j < brep.Faces.Length; j++)
{
Brep.Face sf = brep.Faces[j];
Mesh[] faceTessellation = sf.Tessellation;
if (brep.GetFaceSelection(j))
{
foreach (Mesh m in faceTessellation)
{
ap.Add(m.Vertices, m.Triangles);
}
count++;
}
}
}
return(count);
}