This example shows how to use the Remeshing pipeline with bone settings.

// 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/RiggedSimplygonMan/RiggedSimplygonMan.glb");
	
	// Create the remeshing pipeline. 
	Simplygon::spRemeshingPipeline sgRemeshingPipeline = sg->CreateRemeshingPipeline();
	Simplygon::spRemeshingSettings sgRemeshingSettings = sgRemeshingPipeline->GetRemeshingSettings();
	Simplygon::spBoneSettings sgBoneSettings = sgRemeshingPipeline->GetBoneSettings();
	
	// Set on-screen size target for remeshing. 
	sgRemeshingSettings->SetOnScreenSize( 300 );
	
	// Enable bone reducer. 
	sgBoneSettings->SetUseBoneReducer( true );
	
	// Set bone reduction target to bone ratio with a ratio of 50%. 
	sgBoneSettings->SetBoneReductionTargets( Simplygon::EStopCondition::All, true, false, false, false );
	sgBoneSettings->SetBoneReductionTargetBoneRatio( 0.5f );
	
	// Set bones per vertex limitations. 
	sgBoneSettings->SetLimitBonesPerVertex( true );
	sgBoneSettings->SetMaxBonePerVertex( 8 );
	
	// Remove unused bones. 
	sgBoneSettings->SetRemoveUnusedBones( true );
	
	// Start the remeshing pipeline. 	
	printf("%s\n", "Start the remeshing pipeline.");
	sgRemeshingPipeline->RunScene(sgScene, Simplygon::EPipelineRunMode::RunInThisProcess);
	
	// Get the processed scene. 
	Simplygon::spScene sgProcessedScene = sgRemeshingPipeline->GetProcessedScene();
	
	// Since we are not casting any materials in this example, add a default material to silence 
	// validation warnings in the exporter. 
	sgScene->GetMaterialTable()->AddMaterial( sg->CreateMaterial() );
	
	// Save processed scene. 	
	printf("%s\n", "Save processed scene.");
	SaveScene(sg, sgProcessedScene, "Output.glb");
	
	// 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/RiggedSimplygonMan/RiggedSimplygonMan.glb");
        
        // Create the remeshing pipeline. 
        using Simplygon.spRemeshingPipeline sgRemeshingPipeline = sg.CreateRemeshingPipeline();
        using Simplygon.spRemeshingSettings sgRemeshingSettings = sgRemeshingPipeline.GetRemeshingSettings();
        using Simplygon.spBoneSettings sgBoneSettings = sgRemeshingPipeline.GetBoneSettings();
        
        // Set on-screen size target for remeshing. 
        sgRemeshingSettings.SetOnScreenSize( 300 );
        
        // Enable bone reducer. 
        sgBoneSettings.SetUseBoneReducer( true );
        
        // Set bone reduction target to bone ratio with a ratio of 50%. 
        sgBoneSettings.SetBoneReductionTargets( Simplygon.EStopCondition.All, true, false, false, false );
        sgBoneSettings.SetBoneReductionTargetBoneRatio( 0.5f );
        
        // Set bones per vertex limitations. 
        sgBoneSettings.SetLimitBonesPerVertex( true );
        sgBoneSettings.SetMaxBonePerVertex( 8 );
        
        // Remove unused bones. 
        sgBoneSettings.SetRemoveUnusedBones( true );
        
        // Start the remeshing pipeline.         
        Console.WriteLine("Start the remeshing pipeline.");
        sgRemeshingPipeline.RunScene(sgScene, Simplygon.EPipelineRunMode.RunInThisProcess);
        
        // Get the processed scene. 
        using Simplygon.spScene sgProcessedScene = sgRemeshingPipeline.GetProcessedScene();
        
        // Since we are not casting any materials in this example, add a default material to silence 
        // validation warnings in the exporter. 
        sgScene.GetMaterialTable().AddMaterial( sg.CreateMaterial() );
        
        // Save processed scene.         
        Console.WriteLine("Save processed scene.");
        SaveScene(sg, sgProcessedScene, "Output.glb");
        
        // 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/RiggedSimplygonMan/RiggedSimplygonMan.glb")
    
    # Create the remeshing pipeline. 
    sgRemeshingPipeline = sg.CreateRemeshingPipeline()
    sgRemeshingSettings = sgRemeshingPipeline.GetRemeshingSettings()
    sgBoneSettings = sgRemeshingPipeline.GetBoneSettings()
    
    # Set on-screen size target for remeshing. 
    sgRemeshingSettings.SetOnScreenSize( 300 )
    
    # Enable bone reducer. 
    sgBoneSettings.SetUseBoneReducer( True )
    
    # Set bone reduction target to bone ratio with a ratio of 50%. 
    sgBoneSettings.SetBoneReductionTargets( Simplygon.EStopCondition_All, True, False, False, False )
    sgBoneSettings.SetBoneReductionTargetBoneRatio( 0.5 )
    
    # Set bones per vertex limitations. 
    sgBoneSettings.SetLimitBonesPerVertex( True )
    sgBoneSettings.SetMaxBonePerVertex( 8 )
    
    # Remove unused bones. 
    sgBoneSettings.SetRemoveUnusedBones( True )
    
    # Start the remeshing pipeline.     
    print("Start the remeshing pipeline.")
    sgRemeshingPipeline.RunScene(sgScene, Simplygon.EPipelineRunMode_RunInThisProcess)
    
    # Get the processed scene. 
    sgProcessedScene = sgRemeshingPipeline.GetProcessedScene()
    
    # Since we are not casting any materials in this example, add a default material to silence 
    # validation warnings in the exporter. 
    sgScene.GetMaterialTable().AddMaterial( sg.CreateMaterial() )
    
    # Save processed scene.     
    print("Save processed scene.")
    SaveScene(sg, sgProcessedScene, "Output.glb")
    
    # 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()