xBIM 多个IFC文件合并

Posted 2020-10-23 在水一方

tags:

篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了xBIM 多个IFC文件合并相关的知识，希望对你有一定的参考价值。

using System;
using Xbim.Common.Step21;
using Xbim.Ifc;
using Xbim.Ifc4.Interfaces;

namespace BasicExamples
{
    public class FederationExample
    {
        public void CreateFederation()
        {
            var editor = new XbimEditorCredentials
            {
                ApplicationDevelopersName = "You",
                ApplicationFullName = "Your app",
                ApplicationIdentifier = "Your app ID",
                ApplicationVersion = "4.0",
                //your user
                EditorsFamilyName = "Santini Aichel",
                EditorsGivenName = "Johann Blasius",
                EditorsOrganisationName = "Independent Architecture"
            };

            using (var federation = IfcStore.Create(editor, IfcSchemaVersion.Ifc4, XbimStoreType.InMemoryModel))
            { 
                federation.AddModelReference("SampleHouse.ifc", "Bob The Builder", "Original Constructor"); //IFC4 文件
                federation.AddModelReference("SampleHouseExtension.ifc", "Tyna", "Extensions Builder"); //IFC2x3  文件

                Console.WriteLine($"Model is federation: {federation.IsFederation}");
                Console.WriteLine($"Number of overall entities: {federation.FederatedInstances.Count}");
                Console.WriteLine($"Number of walls: {federation.FederatedInstances.CountOf<IIfcWall>()}");
                foreach (var refModel in federation.ReferencedModels)
                {
                    Console.WriteLine();
                    Console.WriteLine($"    Referenced model: {refModel.Name}");
                    Console.WriteLine($"    Referenced model organization: {refModel.OwningOrganisation}");
                    Console.WriteLine($"    Number of walls: {refModel.Model.Instances.CountOf<IIfcWall>()}");
                }
                //保存IFC文件
                federation.SaveAs("federation.ifc");
            }
        }
    }
}

控制台输出

Model is federation: True
Number of overall entities: 50303
Number of walls: 8

    Referenced model: SampleHouse.ifc
    Referenced model organization: Bob The Builder
    Number of walls: 5

    Referenced model: SampleHouseExtension.ifc
    Referenced model organization: Tyna
    Number of walls: 3

保存为IFC文件的联合设置如下所示。这个惯例是xBIM 发明的。所以不能与其他的工具操作。

ISO-10303-21;
HEADER;
FILE_DESCRIPTION ((\'\'), \'2;1\');
FILE_NAME (\'\', \'2016-10-27T13:14:43\', (\'\'), (\'\'), \'Xbim File Processor version 3.2.0.0\', \'Xbim version 3.2.0.0\', \'\');
FILE_SCHEMA ((\'IFC4\'));
ENDSEC;
DATA;
#1=IFCACTORROLE(.USERDEFINED.,\'Original Constructor\',$);
#2=IFCORGANIZATION($,\'Bob The Builder\',$,(#1),$);
#3=IFCDOCUMENTINFORMATION(\'1\',\'SampleHouse.ifc\',$,$,$,\'XbimReferencedModel\',$,$,#2,$,$,$,$,$,$,$,$);
#4=IFCACTORROLE(.USERDEFINED.,\'Extensions Builder\',$);
#5=IFCORGANIZATION($,\'Tyna\',$,(#4),$);
#6=IFCDOCUMENTINFORMATION(\'2\',\'SampleHouseExtension.ifc\',$,$,$,\'XbimReferencedModel\',$,$,#5,$,$,$,$,$,$,$,$);
ENDSEC;
END-ISO-10303-21;

以上是关于xBIM 多个IFC文件合并的主要内容，如果未能解决你的问题，请参考以下文章

XBIM 基于 WexBIM 文件在 WebGL 浏览和加载

xBIM 使用Linq 来优化查询

xBIM 多个IFC文件合并

目录