Xbim Geometry error

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I am using the following C# code to access geometry data from an ifc4 file. The file contains only a wall created using Revit 2016. I am using Xbim library. This is my code:

class Program
{
    private static readonly ILog logger =
       LogManager.GetLogger(typeof(Program));
    static string _ifcFile = @"C:\Examples\OneWall.ifc";

    static void Main(string[] args)
    {
        BasicConfigurator.Configure();

        IfcStore model = IfcStore.Open(_ifcFile);
        Xbim3DModelContext context = new Xbim3DModelContext(model);
        context.CreateContext();
        XbimMeshGeometry3D mesh = mesh = (XbimMeshGeometry3D)context.ShapeGeometryMeshOf(context.ShapeInstances().FirstOrDefault());

        //The rest of my code
    }
} 

I get the following error. I am using visual studio 2015.

1226 [1] DEBUG Xbim.Geometry.Engine.Interop.XbimCustomAssemblyResolver (null) - Loading assembly from: C:\Examples\ifcWall\ifcWall\bin\Debug\x86\Xbim.Geometry.Engine32.dll 1404 [1] DEBUG Xbim.Geometry.Engine.Interop.XbimCustomAssemblyResolver (null) - Loading assembly from: C:\Examples\ifcWall\ifcWall\bin\Debug\x86\Xbim.Geometry.Engine32.dll

Unhandled Exception: System.Exception: Invalid Geometry Command at Xbim.ModelGeometry.Scene.XbimMeshGeometry3D.Read(String data, Nullable1 trans) in c:\BuildAgent\work\860c3b913b6c647f\Xbim.ModelGeometry.Scene\XbimMeshGeometry3D.cs:line 219 at Xbim.ModelGeometry.Scene.XbimMeshGeometry3D.Add(String mesh, Int16 productTypeId, Int32 productLabel, Int32 geometryLabel, Nullable1 transform, Int16 modelId) in c:\BuildAgent\work\860c3b913b6c647f\Xbim.ModelGeometry.Scene\XbimMeshGeometry3D.cs:line 669 at Xbim.ModelGeometry.Scene.Xbim3DModelContext.ShapeGeometryMeshOf(XbimShapeInstance shapeInstance) in c:\BuildAgent\work\860c3b913b6c647f\Xbim.ModelGeometry.Scene\Xbim3DModelContext.cs:line 1525 at ifcWall.Program.Main(String[] args) in C:\Users\karshenas\Documents\Courses\CEEN6840\VS_Projects\ifcWall\ifcWall\Program.cs:line 26

Any help to fix the error is appreciated.

asked 1 min ago

adel karsh

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Xbim Geometry error