This example shows how to use the Remeshing processor.

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

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


Simplygon::spScene LoadScene(Simplygon::ISimplygon* sg, const char* path)
{
	// Create scene importer 
	Simplygon::spSceneImporter sgSceneImporter = sg->CreateSceneImporter();
	sgSceneImporter->SetImportFilePath(path);
	
	// Run scene importer. 
	bool importResult = sgSceneImporter->RunImport();
	if (!importResult)
	{
		throw std::exception("Failed to load scene.");
	}
	Simplygon::spScene sgScene = sgSceneImporter->GetScene();
	return sgScene;
}

void SaveScene(Simplygon::ISimplygon* sg, Simplygon::spScene sgScene, const char* path)
{
	// Create scene exporter. 
	Simplygon::spSceneExporter sgSceneExporter = sg->CreateSceneExporter();
	sgSceneExporter->SetExportFilePath(path);
	sgSceneExporter->SetScene(sgScene);
	
	// Run scene exporter. 
	bool exportResult = sgSceneExporter->RunExport();
	if (!exportResult)
	{
		throw std::exception("Failed to save scene.");
	}
}

void CheckLog(Simplygon::ISimplygon* sg)
{
	// Check if any errors occurred. 
	bool hasErrors = sg->ErrorOccurred();
	if (hasErrors)
	{
		Simplygon::spStringArray errors = sg->CreateStringArray();
		sg->GetErrorMessages(errors);
		auto errorCount = errors->GetItemCount();
		if (errorCount > 0)
		{
			printf("%s\n", "Errors:");
			for (auto errorIndex = 0U; errorIndex < errorCount; ++errorIndex)
			{
				Simplygon::spString errorString = errors->GetItem((int)errorIndex);
				printf("%s\n", errorString.c_str());
			}
			sg->ClearErrorMessages();
		}
	}
	else
	{
		printf("%s\n", "No errors.");
	}
	
	// Check if any warnings occurred. 
	bool hasWarnings = sg->WarningOccurred();
	if (hasWarnings)
	{
		Simplygon::spStringArray warnings = sg->CreateStringArray();
		sg->GetWarningMessages(warnings);
		auto warningCount = warnings->GetItemCount();
		if (warningCount > 0)
		{
			printf("%s\n", "Warnings:");
			for (auto warningIndex = 0U; warningIndex < warningCount; ++warningIndex)
			{
				Simplygon::spString warningString = warnings->GetItem((int)warningIndex);
				printf("%s\n", warningString.c_str());
			}
			sg->ClearWarningMessages();
		}
	}
	else
	{
		printf("%s\n", "No warnings.");
	}
}

void RunRemeshing(Simplygon::ISimplygon* sg)
{
	// Load scene to process. 	
	printf("%s\n", "Load scene to process.");
	Simplygon::spScene sgScene = LoadScene(sg, "../../../Assets/SimplygonMan/SimplygonMan.obj");
	
	// Create the remeshing processor. 
	Simplygon::spRemeshingProcessor sgRemeshingProcessor = sg->CreateRemeshingProcessor();
	sgRemeshingProcessor->SetScene( sgScene );
	Simplygon::spRemeshingSettings sgRemeshingSettings = sgRemeshingProcessor->GetRemeshingSettings();
	
	// Set on-screen size target for remeshing. 
	sgRemeshingSettings->SetOnScreenSize( 300 );
	
	// Start the remeshing process. 	
	printf("%s\n", "Start the remeshing process.");
	sgRemeshingProcessor->RunProcessing();
	
	// Replace original materials and textures from the scene with a new empty material, as the 
	// remeshed object has a new UV set.  
	sgScene->GetTextureTable()->Clear();
	sgScene->GetMaterialTable()->Clear();
	sgScene->GetMaterialTable()->AddMaterial( sg->CreateMaterial() );
	
	// Save processed scene. 	
	printf("%s\n", "Save processed scene.");
	SaveScene(sg, sgScene, "Output.fbx");
	
	// Check log for any warnings or errors. 	
	printf("%s\n", "Check log for any warnings or errors.");
	CheckLog(sg);
}

int main()
{
	Simplygon::ISimplygon* sg = NULL;
	Simplygon::EErrorCodes initval = Simplygon::Initialize( &sg );
	if( initval != Simplygon::EErrorCodes::NoError )
	{
		printf( "Failed to initialize Simplygon: ErrorCode(%d)", (int)initval );
		return int(initval);
	}

	RunRemeshing(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 Simplygon.spScene LoadScene(Simplygon.ISimplygon sg, string path)
    {
        // Create scene importer 
        using Simplygon.spSceneImporter sgSceneImporter = sg.CreateSceneImporter();
        sgSceneImporter.SetImportFilePath(path);
        
        // Run scene importer. 
        bool importResult = sgSceneImporter.RunImport();
        if (!importResult)
        {
            throw new System.Exception("Failed to load scene.");
        }
        Simplygon.spScene sgScene = sgSceneImporter.GetScene();
        return sgScene;
    }
    static void SaveScene(Simplygon.ISimplygon sg, Simplygon.spScene sgScene, string path)
    {
        // Create scene exporter. 
        using Simplygon.spSceneExporter sgSceneExporter = sg.CreateSceneExporter();
        sgSceneExporter.SetExportFilePath(path);
        sgSceneExporter.SetScene(sgScene);
        
        // Run scene exporter. 
        bool exportResult = sgSceneExporter.RunExport();
        if (!exportResult)
        {
            throw new System.Exception("Failed to save scene.");
        }
    }
    static void CheckLog(Simplygon.ISimplygon sg)
    {
        // Check if any errors occurred. 
        bool hasErrors = sg.ErrorOccurred();
        if (hasErrors)
        {
            Simplygon.spStringArray errors = sg.CreateStringArray();
            sg.GetErrorMessages(errors);
            var errorCount = errors.GetItemCount();
            if (errorCount > 0)
            {
                Console.WriteLine("Errors:");
                for (uint errorIndex = 0; errorIndex < errorCount; ++errorIndex)
                {
                    string errorString = errors.GetItem((int)errorIndex);
                    Console.WriteLine(errorString);
                }
                sg.ClearErrorMessages();
            }
        }
        else
        {
            Console.WriteLine("No errors.");
        }
        
        // Check if any warnings occurred. 
        bool hasWarnings = sg.WarningOccurred();
        if (hasWarnings)
        {
            Simplygon.spStringArray warnings = sg.CreateStringArray();
            sg.GetWarningMessages(warnings);
            var warningCount = warnings.GetItemCount();
            if (warningCount > 0)
            {
                Console.WriteLine("Warnings:");
                for (uint warningIndex = 0; warningIndex < warningCount; ++warningIndex)
                {
                    string warningString = warnings.GetItem((int)warningIndex);
                    Console.WriteLine(warningString);
                }
                sg.ClearWarningMessages();
            }
        }
        else
        {
            Console.WriteLine("No warnings.");
        }
    }
    static void RunRemeshing(Simplygon.ISimplygon sg)
    {
        // Load scene to process.         
        Console.WriteLine("Load scene to process.");
        Simplygon.spScene sgScene = LoadScene(sg, "../../../Assets/SimplygonMan/SimplygonMan.obj");
        
        // Create the remeshing processor. 
        using Simplygon.spRemeshingProcessor sgRemeshingProcessor = sg.CreateRemeshingProcessor();
        sgRemeshingProcessor.SetScene( sgScene );
        using Simplygon.spRemeshingSettings sgRemeshingSettings = sgRemeshingProcessor.GetRemeshingSettings();
        
        // Set on-screen size target for remeshing. 
        sgRemeshingSettings.SetOnScreenSize( 300 );
        
        // Start the remeshing process.         
        Console.WriteLine("Start the remeshing process.");
        sgRemeshingProcessor.RunProcessing();
        
        // Replace original materials and textures from the scene with a new empty material, as the 
        // remeshed object has a new UV set.  
        sgScene.GetTextureTable().Clear();
        sgScene.GetMaterialTable().Clear();
        sgScene.GetMaterialTable().AddMaterial( sg.CreateMaterial() );
        
        // Save processed scene.         
        Console.WriteLine("Save processed scene.");
        SaveScene(sg, sgScene, "Output.fbx");
        
        // Check log for any warnings or errors.         
        Console.WriteLine("Check log for any warnings or errors.");
        CheckLog(sg);
    }
    static int Main(string[] args)
    {
        using var sg = Simplygon.Loader.InitSimplygon(out var errorCode, out var errorMessage);
        if (errorCode != Simplygon.EErrorCodes.NoError)
        {
            Console.WriteLine( $"Failed to initialize Simplygon: ErrorCode({(int)errorCode}) {errorMessage}" );
            return (int)errorCode;
        }
        RunRemeshing(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 LoadScene(sg: Simplygon.ISimplygon, path: str):
    # Create scene importer 
    sgSceneImporter = sg.CreateSceneImporter()
    sgSceneImporter.SetImportFilePath(path)
    
    # Run scene importer. 
    importResult = sgSceneImporter.RunImport()
    if not importResult:
        raise Exception('Failed to load scene.')
    sgScene = sgSceneImporter.GetScene()
    return sgScene

def SaveScene(sg: Simplygon.ISimplygon, sgScene:Simplygon.spScene, path: str):
    # Create scene exporter. 
    sgSceneExporter = sg.CreateSceneExporter()
    sgSceneExporter.SetExportFilePath(path)
    sgSceneExporter.SetScene(sgScene)
    
    # Run scene exporter. 
    exportResult = sgSceneExporter.RunExport()
    if not exportResult:
        raise Exception('Failed to save scene.')

def CheckLog(sg: Simplygon.ISimplygon):
    # Check if any errors occurred. 
    hasErrors = sg.ErrorOccurred()
    if hasErrors:
        errors = sg.CreateStringArray()
        sg.GetErrorMessages(errors)
        errorCount = errors.GetItemCount()
        if errorCount > 0:
            print("Errors:")
            for errorIndex in range(errorCount):
                errorString = errors.GetItem(errorIndex)
                print(errorString)
            sg.ClearErrorMessages()
    else:
        print("No errors.")
    
    # Check if any warnings occurred. 
    hasWarnings = sg.WarningOccurred()
    if hasWarnings:
        warnings = sg.CreateStringArray()
        sg.GetWarningMessages(warnings)
        warningCount = warnings.GetItemCount()
        if warningCount > 0:
            print("Warnings:")
            for warningIndex in range(warningCount):
                warningString = warnings.GetItem(warningIndex)
                print(warningString)
            sg.ClearWarningMessages()
    else:
        print("No warnings.")

def RunRemeshing(sg: Simplygon.ISimplygon):
    # Load scene to process.     
    print("Load scene to process.")
    sgScene = LoadScene(sg, "../../../Assets/SimplygonMan/SimplygonMan.obj")
    
    # Create the remeshing processor. 
    sgRemeshingProcessor = sg.CreateRemeshingProcessor()
    sgRemeshingProcessor.SetScene( sgScene )
    sgRemeshingSettings = sgRemeshingProcessor.GetRemeshingSettings()
    
    # Set on-screen size target for remeshing. 
    sgRemeshingSettings.SetOnScreenSize( 300 )
    
    # Start the remeshing process.     
    print("Start the remeshing process.")
    sgRemeshingProcessor.RunProcessing()
    
    # Replace original materials and textures from the scene with a new empty material, as the 
    # remeshed object has a new UV set.  
    sgScene.GetTextureTable().Clear()
    sgScene.GetMaterialTable().Clear()
    sgScene.GetMaterialTable().AddMaterial( sg.CreateMaterial() )
    
    # Save processed scene.     
    print("Save processed scene.")
    SaveScene(sg, sgScene, "Output.fbx")
    
    # Check log for any warnings or errors.     
    print("Check log for any warnings or errors.")
    CheckLog(sg)

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

    RunRemeshing(sg)

    sg = None
    gc.collect()