RevitExport/JBIM/RevitToJBim/Common/RevitUtil.cs

/*-------------------------------------------------------------------------
 * 功能描述：RevitUtil
 * 作者：xulisong
 * 创建时间： 2019/6/24 9:55:09
 * 版本号：v1.0
 *  -------------------------------------------------------------------------*/

using Autodesk.Revit.DB;
using SAGA.RevitUtils.Extends;
using SAGA.RevitUtils.Extends.Graphic;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using RevitToJBim.Extension;
using RevitToJBim.MBI;
using SAGA.DotNetUtils;
using Parameter=JBIM.Component.Parameter;

namespace RevitToJBim.Common
{
    public class RevitUtil
    {
        /// <summary>
        /// 获取FamilyInstance顶面轮廓
        /// </summary>
        /// <param name="fi"></param>
        /// <returns></returns>
        public static List<XYZ> GetTopPolygon(FamilyInstance fi)
        {
            List<XYZ> path = new List<XYZ>();
            var faces = fi.GetOriginalFaces(XYZ.BasisZ);
            var topface = faces.FirstOrDefault();
            //传递的path中没有重复点
            if (topface != null)
            {
                var curves = topface.GetCurves();
                for (int i = 0; i < curves.Count; i++)
                {
                    var current = curves[i];
                    var points = current.GetPoints();
                    points.RemoveAt(points.Count - 1);
                    path.AddRange(points);
                }
            }

            return path;
        }
        /// <summary>
        /// 获取FamilyInstance box底面轮廓
        /// </summary>
        /// <param name="fi"></param>
        /// <returns></returns>
        public static List<XYZ> GetBottomPolygon(FamilyInstance fi)
        {
            List<XYZ> path=new List<XYZ>();
            var box = fi.get_BoundingBox(null);
            if (box == null) return path;
            var boxMin = box.Min;
            var boxMax = box.Max;
            path.Add(boxMin);
            path.Add(boxMin.NewX(boxMax.X));
            path.Add(boxMin.NewX(boxMax.X).NewY(boxMax.Y));
            path.Add(boxMin.NewY(boxMax.Y));
            path.Add(boxMin);
            return path;
        }
        /// <summary>
        /// 获取设备设施的参数
        /// </summary>
        /// <param name="fi"></param>
        /// <returns></returns>
        public static List<Parameter> GetFacilityParameters(FamilyInstance fi)
        {
            List<string> parameterNames=new List<string>(){ MBIBuiltInParameterName.EquipLocalName,MBIBuiltInParameterName.EquipLocalID };
            List<Parameter> parameters=new List<Parameter>();
            foreach (var parameterName in parameterNames)
            {
                var revitParameter = fi.GetParameter(parameterName);
                if (revitParameter != null)
                {
                    var parameter = new Parameter(ParameterUtil.FindParameterDefine(parameterName));
                    parameter.Value = revitParameter.AsString();
                    parameters.Add(parameter);
                }
            }

            return parameters;
        }

        /// <summary>
        /// 获取部件所关联的设备
        /// </summary>
        /// <param name="element"></param>
        /// <returns></returns>
        public static Element GetEquipPartParent(Element element)
        {
            if (!element.IsEquipmentPart()) return null;
            string code = element.GetFamilyName()?.Substring(0, 4); ;
            if (code.IsNullOrEmpty()) return null;
            //构件所关联的设备
            var parentInst = element.Document.GetElements(new ElementIntersectsElementFilter(element))
                .FirstOrDefault(t => !t.Id.IsEqual(element.Id) && t.GetFamilyCode() == code);
            return parentInst;
        }
    }
}