public static IList <GeometryObject> ToRevitType(
this Autodesk.DesignScript.Geometry.Solid solid,
TessellatedShapeBuilderTarget target = TessellatedShapeBuilderTarget.Mesh,
TessellatedShapeBuilderFallback fallback = TessellatedShapeBuilderFallback.Salvage,
ElementId MaterialId = null,
bool performHostUnitConversion = true)
{
var rp = new DefaultRenderPackage();
if (performHostUnitConversion)
{
var newSolid = solid.InHostUnits();
newSolid.Tessellate(rp, new TessellationParameters());
newSolid.Dispose();
}
else
{
solid.Tessellate(rp, new TessellationParameters());
}
var tsb = new TessellatedShapeBuilder()
{
Fallback = fallback, Target = target, GraphicsStyleId = ElementId.InvalidElementId
};
tsb.OpenConnectedFaceSet(false);
var v = rp.MeshVertices.ToList();
for (int i = 0; i < v.Count; i += 9)
{
var a = new XYZ(v[i], v[i + 1], v[i + 2]);
var b = new XYZ(v[i + 3], v[i + 4], v[i + 5]);
var c = new XYZ(v[i + 6], v[i + 7], v[i + 8]);
var face = new TessellatedFace(new List <XYZ>()
{
a, b, c
}, MaterialId != null ? MaterialId : MaterialsManager.Instance.DynamoMaterialId);
tsb.AddFace(face);
}
tsb.CloseConnectedFaceSet();
tsb.Build();
var result = tsb.GetBuildResult();
return(result.GetGeometricalObjects());
}
/// <summary>
/// Convert a DS Solid to a Revit FamilySymbol containing
/// Revit FreeForms via SAT Export/Import
/// </summary>
/// <param name="solidGeometry"></param>
/// <param name="name"></param>
/// <param name="category"></param>
/// <param name="templatePath">Revit Template to use for Family Creation</param>
/// <param name="material">Can be null for Voids</param>
/// <param name="isVoid">Create Void</param>
/// <param name="subcategory">Can be string.Empty for Voids</param>
/// <returns></returns>
public static Autodesk.Revit.DB.FamilySymbol ToRevitFamilyType(
this Autodesk.DesignScript.Geometry.Solid solidGeometry,
string name,
Revit.Elements.Category category,
string templatePath,
Revit.Elements.Material material,
bool isVoid,
string subcategory = "")
{
// Keep the current document and close the open transaction
Autodesk.Revit.DB.Document document = DocumentManager.Instance.CurrentDBDocument;
TransactionManager.Instance.ForceCloseTransaction();
// create a temp sat file
string tempFile = System.IO.Path.GetTempFileName() + ".sat";
// create a temp family file
string tempDir = System.IO.Path.GetTempPath();
string tempFamilyFile = System.IO.Path.Combine(tempDir, name + ".rfa");
// scale the incoming geometry
solidGeometry = solidGeometry.InHostUnits();
// get a displacement vector
Vector vector = Vector.ByTwoPoints(Autodesk.DesignScript.Geometry.BoundingBox.ByGeometry(solidGeometry).MinPoint, Autodesk.DesignScript.Geometry.Point.Origin());
// translate the geometry to origin
solidGeometry = solidGeometry.Translate(vector) as Autodesk.DesignScript.Geometry.Solid;
// export geometry to SAT
solidGeometry.ExportToSAT(tempFile);
solidGeometry.Dispose();
// create a new family document using the supplied template
Autodesk.Revit.DB.Document familyDocument = document.Application.NewFamilyDocument(templatePath);
// Get the families 3d view
var collector = new Autodesk.Revit.DB.FilteredElementCollector(familyDocument).OfClass(typeof(Autodesk.Revit.DB.View));
Autodesk.Revit.DB.View view = null;
foreach (Autodesk.Revit.DB.View v in collector.ToElements())
{
if (!v.IsTemplate && v.ViewType == ViewType.ThreeD)
{
view = v;
}
}
// Open a Transaction with the FamilyDocument
TransactionManager.Instance.EnsureInTransaction(familyDocument);
// Import the sat file to origin in feet
ElementId importedElementId = familyDocument.Import(tempFile, new SATImportOptions()
{
Placement = ImportPlacement.Origin, Unit = ImportUnit.Foot
}, view);
// get the solid element from the imported sat file
var solids = GetSolidsFromElement(familyDocument.GetElement(importedElementId));
// delete imported sat
familyDocument.Delete(importedElementId);
System.IO.File.Delete(tempFile);
// Set the families category
familyDocument.OwnerFamily.FamilyCategory = familyDocument.Settings.Categories.get_Item(category.Name);
foreach (var solid in solids)
{
// Create Freeform Element
var freeform = FreeFormElement.Create(familyDocument, solid);
// if the geometry should be void set parameters accordingly
if (isVoid)
{
ApplyVoidSettingsToFreeForm(freeform);
}
else
{
// Apply material if supplied
ApplyMaterialToFreeForm(familyDocument, material, freeform);
// Apply Subcategory if supplied
if (subcategory != string.Empty)
{
ApplySubCategoryToFreeForm(familyDocument, subcategory, freeform);
}
}
}
// Close the FamilyDocument Transaction
TransactionManager.Instance.ForceCloseTransaction();
// Save Family document and load it into the project
familyDocument.SaveAs(tempFamilyFile, new SaveAsOptions()
{
OverwriteExistingFile = true
});
var family = familyDocument.LoadFamily(document, new FamilyImportOptions());
// close and delete family
familyDocument.Close(false);
System.IO.File.Delete(tempFamilyFile);
// get first imported family symbol
var symbols = family.GetFamilySymbolIds();
// Restore the Project Document Transaction
TransactionManager.Instance.EnsureInTransaction(document);
if (symbols.Count > 0)
{
FamilySymbol symbol = (FamilySymbol)document.GetElement(symbols.First());
// activate symbol
if (!symbol.IsActive)
{
symbol.Activate();
}
return(symbol);
}
else
{
return(null);
}
}