/***************************************************/ /**** Public methods ****/ /***************************************************/ public static List <BH.oM.Geometry.Line> CeilingPattern(this Ceiling ceiling, RevitSettings settings, PlanarSurface surface = null) { CeilingType ceilingType = ceiling.Document.GetElement(ceiling.GetTypeId()) as CeilingType; CompoundStructure comStruct = ceilingType.GetCompoundStructure(); Material material = null; if (comStruct != null && comStruct.GetLayers().Count > 0) { material = ceiling.Document.GetElement(comStruct.GetLayers().Last().MaterialId) as Material; } else { ElementId materialId = ceiling.GetMaterialIds(false)?.FirstOrDefault(); if (materialId != null) { material = ceiling.Document.GetElement(materialId) as Material; } } if (material == null) { BH.Engine.Reflection.Compute.RecordWarning(String.Format("Ceiling patterns could not be pulled because there is no material assigned to the ceiling. Revit ElementId: {0}", ceiling.Id)); return(new List <oM.Geometry.Line>()); } double rotation; XYZ alignment = ceiling.CeilingPatternAlignment(material, settings, out rotation); List <oM.Geometry.Line> result = new List <oM.Geometry.Line>(); if (surface == null) { //This would need to be extended to take openings from Values into account foreach (PlanarSurface srf in ceiling.PanelSurfaces(ceiling.FindInserts(true, true, true, true), settings).Keys) { result.AddRange(material.CeilingPattern(srf, settings, alignment, rotation)); } } else { result.AddRange(material.CeilingPattern(surface, settings, alignment, rotation)); } return(result); }