public static Rhino.Commands.Result BlockInsertionPoint(Rhino.RhinoDoc doc)
{
Rhino.DocObjects.ObjRef objref;
Result rc = Rhino.Input.RhinoGet.GetOneObject("Select instance", true, Rhino.DocObjects.ObjectType.InstanceReference, out objref);
if (rc != Rhino.Commands.Result.Success)
{
return(rc);
}
Rhino.DocObjects.InstanceObject instance = objref.Object() as Rhino.DocObjects.InstanceObject;
if (instance != null)
{
Rhino.Geometry.Point3d pt = instance.InsertionPoint;
doc.Objects.AddPoint(pt);
doc.Views.Redraw();
}
return(Rhino.Commands.Result.Success);
}
/// <summary>
/// Gets a list of the CRhinoInstanceObjects (inserts) that contains
/// a reference this instance definition.
/// </summary>
/// <param name="wheretoLook">
/// <para>0 = get top level references in active document.</para>
/// <para>1 = get top level and nested references in active document.</para>
/// <para>2 = check for references from other instance definitions.</para>
/// </param>
/// <returns>An array of instance objects. The returned array can be empty, but not null.</returns>
public InstanceObject[] GetReferences(int wheretoLook)
{
int refCount = UnsafeNativeMethods.CRhinoInstanceDefintition_GetReferences1(m_doc.m_docId, m_index, wheretoLook);
if (refCount < 1)
{
return(new InstanceObject[0]);
}
InstanceObject[] rc = new InstanceObject[refCount];
for (int i = 0; i < refCount; i++)
{
IntPtr ptr = UnsafeNativeMethods.CRhinoInstanceDefinition_GetReferences2(i);
if (ptr != IntPtr.Zero)
{
uint sn = UnsafeNativeMethods.CRhinoObject_RuntimeSN(ptr);
rc[i] = new InstanceObject(sn);
}
}
UnsafeNativeMethods.CRhinoInstanceDefinition_GetReferences3();
return(rc);
}
// Rhino convention seems to order the origin of the vector space last instead of first
// This results in a transposed transformation matrix - may need to be addressed later
public BlockInstance BlockInstanceToSpeckle(RH.InstanceObject instance)
{
var t = instance.InstanceXform;
var transformArray = new double[] {
t.M00, t.M01, t.M02, t.M03,
t.M10, t.M11, t.M12, t.M13,
t.M20, t.M21, t.M22, t.M23,
t.M30, t.M31, t.M32, t.M33
};
var def = BlockDefinitionToSpeckle(instance.InstanceDefinition);
var _instance = new BlockInstance()
{
insertionPoint = PointToSpeckle(instance.InsertionPoint),
transform = transformArray,
blockDefinition = def,
units = ModelUnits
};
return(_instance);
}