/// <summary>
/// Private constructor for creating a divided surface
/// </summary>
/// <param name="face"></param>
/// <param name="uDivs"></param>
/// <param name="vDivs"></param>
/// <param name="rotation"></param>
private DividedSurface(FaceReference face, int uDivs, int vDivs, double rotation)
{
// if the family instance is present in trace...
var oldEle =
ElementBinder.GetElementFromTrace<Autodesk.Revit.DB.DividedSurface>(Document);
// just mutate it...
if (oldEle != null)
{
InternalSetDividedSurface(oldEle);
InternalSetDivisions(uDivs, vDivs);
InternalSetRotation(rotation);
return;
}
// otherwise create a new family instance...
TransactionManager.Instance.EnsureInTransaction(Document);
var divSurf = Document.FamilyCreate.NewDividedSurface(face.InternalReference);
InternalSetDividedSurface(divSurf);
InternalSetDivisions(uDivs, vDivs);
InternalSetRotation(rotation);
TransactionManager.Instance.TransactionTaskDone();
// remember this new value
ElementBinder.SetElementForTrace(this.InternalElement);
}
/// <summary>
/// Show a colored Face Analysis Display in the Revit View
/// </summary>
/// <param name="view"></param>
/// <param name="faceReference"></param>
/// <param name="sampleUvPoints"></param>
/// <param name="samples"></param>
/// <returns></returns>
public static FaceAnalysisDisplay ByViewFacePointsAndValues(View view, FaceReference faceReference,
double[][] sampleUvPoints, double[] samples)
{
if (view == null)
{
throw new ArgumentNullException("view");
}
if (faceReference == null)
{
throw new ArgumentNullException("faceReference");
}
if (sampleUvPoints == null)
{
throw new ArgumentNullException("sampleUvPoints");
}
if (samples == null)
{
throw new ArgumentNullException("samples");
}
if (sampleUvPoints.Length != samples.Length)
{
throw new Exception("The number of sample points and number of samples must be the same");
}
return new FaceAnalysisDisplay(view.InternalView, faceReference.InternalReference, sampleUvPoints.ToUvs(), samples);
}
/// <summary>
/// Create a Reference Point by UV coordinates on a Face. This introduces a persistent relationship between
/// Elements in the Revit document.
/// </summary>
/// <param name="face"></param>
/// <param name="u"></param>
/// <param name="v"></param>
/// <returns></returns>
public static ReferencePoint ByParametersOnFaceReference(FaceReference face, double u, double v)
{
if (!Document.IsFamilyDocument)
{
throw new Exception("ReferencePoint Elements can only be created in a Family Document");
}
if (face == null)
{
throw new ArgumentNullException("face");
}
return new ReferencePoint(face.InternalReference, new Autodesk.Revit.DB.UV(u, v));
}
/// <summary>
/// Create a Revit DividedSurface on a face given the face and number of divisions in u and v directon
/// and the rotation of the grid lines with respect to the natural UV parameterization of the face
/// </summary>
/// <param name="face"></param>
/// <param name="uDivs"></param>
/// <param name="vDivs"></param>
/// <param name="gridRotation"></param>
/// <returns></returns>
public static DividedSurface ByFaceUVDivisionsAndRotation(FaceReference face, int uDivs, int vDivs, double gridRotation)
{
if (face == null)
{
throw new ArgumentNullException("face");
}
if (uDivs <= 0)
{
throw new Exception("uDivs must be a positive integer");
}
if (vDivs <= 0)
{
throw new Exception("vDivs must be a positive integer");
}
return new DividedSurface(face, uDivs, vDivs, gridRotation);
}
/// <summary>
/// Create a Revit DividedSurface on a face given the face and number of divisions in u and v directon
/// </summary>
/// <param name="face"></param>
/// <param name="uDivs"></param>
/// <param name="vDivs"></param>
/// <returns></returns>
public static DividedSurface ByFaceAndUVDivisions(FaceReference face, int uDivs, int vDivs)
{
return ByFaceUVDivisionsAndRotation(face, uDivs, vDivs, 0.0);
}
