This example shows how to import and export Obj files.

// Copyright (c) Microsoft Corporation. 
// Licensed under the MIT license. 

#include <string>
#include <stdlib.h>
#include <filesystem>
#include <future>
#include "SimplygonLoader.h"


void ImportExportOBJ(Simplygon::ISimplygon* sg)
{
	Simplygon::spSceneImporter sgSceneImporter = sg->CreateSceneImporter();
	sgSceneImporter->SetImportFilePath( "../Assets/Chain/Chain.obj" );
	if(!sgSceneImporter->RunImport())
		throw std::exception("Failed to load Chain/Chain.obj.");
	Simplygon::spScene sgScene = sgSceneImporter->GetScene();

	Simplygon::spSceneExporter  sgSceneExporter = sg->CreateSceneExporter();
	sgSceneExporter->SetScene(sgScene);
	sgSceneExporter->SetExportFilePath( "OBJOutput.obj" );
	if(!sgSceneExporter->RunExport())
		throw std::exception("Failed to save OBJOutput.obj.");

}

int main()
{
	Simplygon::ISimplygon* sg = NULL;
	Simplygon::EErrorCodes initval = Simplygon::Initialize( &sg );
	if( initval != Simplygon::EErrorCodes::NoError )
	{
		return int(initval);
	}

	ImportExportOBJ(sg);

	Simplygon::Deinitialize(sg);

	return 0;
}

// Copyright (c) Microsoft Corporation. 
// Licensed under the MIT license. 

using System;
using System.IO;
using System.Threading.Tasks;

public class Program
{
    static void ImportExportOBJ(Simplygon.ISimplygon sg)
    {
        using (Simplygon.spSceneImporter sgSceneImporter = sg.CreateSceneImporter())
        {
            sgSceneImporter.SetImportFilePath( "../Assets/Chain/Chain.obj" );
            if(!sgSceneImporter.RunImport())
                throw new System.Exception("Failed to load Chain/Chain.obj.");
            Simplygon.spScene sgScene = sgSceneImporter.GetScene();

            using (Simplygon.spSceneExporter sgSceneExporter = sg.CreateSceneExporter())
            {
                sgSceneExporter.SetScene(sgScene);
                sgSceneExporter.SetExportFilePath( "OBJOutput.obj" );
                if(!sgSceneExporter.RunExport())
                    throw new System.Exception("Failed to save OBJOutput.obj.");

            }
        }
    }
    static int Main(string[] args)
    {
        using (var sg = Simplygon.Loader.InitSimplygon(out var errorCode, out var errorMessage))
        {
            if (errorCode != Simplygon.EErrorCodes.NoError)
                return (int)errorCode;
            ImportExportOBJ(sg);
        }

        return 0;
    }
}

# Copyright (c) Microsoft Corporation. 
# Licensed under the MIT license. 

import math
import os
import sys
import glob
import gc
import threading

from pathlib import Path
from simplygon import simplygon_loader
from simplygon import Simplygon


def ImportExportOBJ(sg: Simplygon.ISimplygon):
    sgSceneImporter = sg.CreateSceneImporter()
    sgSceneImporter.SetImportFilePath( '../Assets/Chain/Chain.obj' )
    if not sgSceneImporter.RunImport():
        raise Exception('Failed to load Chain/Chain.obj.')
    sgScene = sgSceneImporter.GetScene()

    sgSceneExporter = sg.CreateSceneExporter()
    sgSceneExporter.SetScene(sgScene)
    sgSceneExporter.SetExportFilePath( 'OBJOutput.obj' )
    if not sgSceneExporter.RunExport():
        raise Exception('Failed to save OBJOutput.obj.')


if __name__ == '__main__':
    sg = simplygon_loader.init_simplygon()
    if sg is None:
        exit(Simplygon.GetLastInitializationError())

    ImportExportOBJ(sg)

    sg = None
    gc.collect()