From3DModelFile Method

In This Topic

Creates a new instance of a Multipatch class from a supported 3D model file.

Syntax

Visual Basic (Declaration)
C#

Public Shared Function From3DModelFile( _
   ByVal filePath As String, _
   Optional ByVal spatialReference As SpatialReference _
) As Multipatch

public static Multipatch From3DModelFile( 
   string filePath,
   SpatialReference spatialReference
)

Parameters

filePath: The file system location of the 3D model.
spatialReference: The spatial reference of the output geometry.

Return Value

The model geometry. An empty multipatch will be returned if the model file cannot be read or if the model file contains no geometry.

Exceptions

Exception	Description
System.ArgumentNullException	FilePath is not specified.
System.IO.FileNotFoundException	If the file does not exist.
System.ArgumentException	If the file exists but isn't a normal readable file or the file extension is not supported.

Remarks

The 3D model files that are supported are .3DS, .DAE, .FLT, .OBJ, .glTF, .GLB, .DWG, .FBX, .IFC, .USD, .USDA, .USDC, .USDZ, .GML).

The default spatial reference of the created multipatch will be WGS84 if one is not provided.

Example

Construct Multipatch from a 3D model file

{
  try
  {
    var model = ArcGIS.Core.Geometry.MultipatchBuilderEx.From3DModelFile(@"c:\Temp\My3dModelFile.dae");
    bool modelIsEmpty = model.IsEmpty;
  }
  catch (FileNotFoundException)
  {
    // file not found
  }
  catch (ArgumentException)
  {
    // File extension is unsupported or cannot read the file
  }
}

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.0 or higher.

Reference

MultipatchBuilderEx Class
MultipatchBuilderEx Members

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