/***************************************************/
/**** Public Methods ****/
/***************************************************/
public static List <Bar> BarsFromRevit(this FamilyInstance familyInstance, RevitSettings settings = null, Dictionary <string, List <IBHoMObject> > refObjects = null)
{
settings = settings.DefaultIfNull();
List <Bar> bars = refObjects.GetValues <Bar>(familyInstance.Id);
if (bars != null)
{
return(bars);
}
// Get bar curve
oM.Geometry.ICurve locationCurve = null;
AnalyticalModelStick analyticalModel = familyInstance.GetAnalyticalModel() as AnalyticalModelStick;
if (analyticalModel != null)
{
Curve curve = analyticalModel.GetCurve();
if (curve != null)
{
locationCurve = curve.IFromRevit();
}
}
if (locationCurve != null)
{
familyInstance.AnalyticalPullWarning();
}
else
{
locationCurve = familyInstance.LocationCurve(settings);
}
// Get bar material
ElementId structuralMaterialId = familyInstance.StructuralMaterialId;
if (structuralMaterialId.IntegerValue < 0)
{
structuralMaterialId = familyInstance.Symbol.LookupParameterElementId(BuiltInParameter.STRUCTURAL_MATERIAL_PARAM);
}
Material revitMaterial = familyInstance.Document.GetElement(structuralMaterialId) as Material;
if (revitMaterial == null)
{
revitMaterial = familyInstance.Category.Material;
}
// Get material grade
string materialGrade = familyInstance.MaterialGrade(settings);
// Find material fragment: convert the material assigned to the element, if that returns null try finding a material in the library, based on the material type assigned to the family.
IMaterialFragment materialFragment = revitMaterial.MaterialFragmentFromRevit(materialGrade, settings, refObjects);
if (materialFragment == null)
{
materialFragment = familyInstance.StructuralMaterialType.LibraryMaterial(materialGrade);
}
// If material fragment could not be found create an empty one and raise a warning further down the line.
bool materialFound = materialFragment != null;
if (materialFragment == null)
{
materialFragment = familyInstance.StructuralMaterialType.EmptyMaterialFragment(materialGrade);
}
// Get bar profile and create property
string profileName = familyInstance.Symbol.Name;
ISectionProperty property = BH.Engine.Library.Query.Match("SectionProperties", profileName) as ISectionProperty;
if (property == null)
{
IProfile profile = familyInstance.Symbol.ProfileFromRevit(settings, refObjects);
//TODO: this should be removed and null passed finally?
if (profile == null)
{
profile = new FreeFormProfile(new List <oM.Geometry.ICurve>());
}
if (profile.Edges.Count == 0)
{
familyInstance.Symbol.ConvertProfileFailedWarning();
}
if (!materialFound)
{
Compute.InvalidDataMaterialWarning(familyInstance);
}
property = BH.Engine.Structure.Create.SectionPropertyFromProfile(profile, materialFragment, profileName);
}
else
{
property = property.ShallowClone();
if (!materialFound)
{
BH.Engine.Reflection.Compute.RecordNote($"A matching section was found in the library. No valid material was defined in Revit, so the default material for this section was used. Revit ElementId: {familyInstance.Id.IntegerValue}");
}
else
{
property.Material = materialFragment;
}
property.Name = profileName;
}
// Create linear bars
bars = new List <Bar>();
if (locationCurve != null)
{
//TODO: check category of familyInstance to recognize which rotation query to use
double rotation = familyInstance.OrientationAngle(settings);
foreach (BH.oM.Geometry.Line line in locationCurve.ICollapseToPolyline(Math.PI / 12).SubParts())
{
bars.Add(BH.Engine.Structure.Create.Bar(line, property, rotation));
}
}
else
{
bars.Add(BH.Engine.Structure.Create.Bar(null, null, property, 0));
}
for (int i = 0; i < bars.Count; i++)
{
bars[i].Name = familyInstance.Name;
//Set identifiers, parameters & custom data
bars[i].SetIdentifiers(familyInstance);
bars[i].CopyParameters(familyInstance, settings.ParameterSettings);
bars[i].SetProperties(familyInstance, settings.ParameterSettings);
}
refObjects.AddOrReplace(familyInstance.Id, bars);
return(bars);
}