Simplygon 9 Documentation Simplygon 9 Documentation
Overview
Simplygon API
Maya
Max
UE4
Unity
Download
Overview
Simplygon API
Maya
Max
UE4
Unity
Download
  • Simplygon API
  • Getting started

  • API Concepts

  • Examples

    • Getting started
    • Aggregation

    • Aggregation pipeline

    • Material Casting

      • Ambient occlusion casting
      • Color casting
      • Displacement casting
      • Geometry data casting
      • Layered opacity casting
      • Normals casting
      • Opacity casting
      • Vertex color casting
    • Batching

    • Events

    • Scene

    • Reduction

    • Reduction pipeline

    • Remeshing

    • Remeshing pipeline

    • Shading networks

  • API Reference

    // Copyright (c) Microsoft Corporation. 
    // Licensed under the MIT license. 
    
    #include <string>
    #include <stdlib.h>
    #include <filesystem>
    #include <future>
    #include "SimplygonLoader.h"
    
    
    void RunGeometryDataDasting(Simplygon::ISimplygon* sg)
    {
    	Simplygon::spSceneImporter sgSceneImporter = sg->CreateSceneImporter();
    	sgSceneImporter->SetImportFilePath( "../Assets/RiggedSimplygonMan/RiggedSimplygonMan.fbx" );
    	if(!sgSceneImporter->RunImport())
    		throw std::exception("Failed to load RiggedSimplygonMan/RiggedSimplygonMan.fbx.");
    	Simplygon::spScene sgScene = sgSceneImporter->GetScene();
    
    	// Create the remeshing processor. 
    	Simplygon::spRemeshingProcessor sgRemeshingProcessor = sg->CreateRemeshingProcessor();
    
    	sgRemeshingProcessor->SetScene( sgScene );
    
    	Simplygon::spRemeshingSettings sgRemeshingSettings = sgRemeshingProcessor->GetRemeshingSettings();
    	Simplygon::spMappingImageSettings sgMappingImageSettings = sgRemeshingProcessor->GetMappingImageSettings();
    
    	// Set on-screen size target for remeshing. 
    	sgRemeshingSettings->SetOnScreenSize( 300 );
    
    	// Generates a mapping image which is used after the remeshing to cast new materials to the new 
    	// remeshed object. 
    	sgMappingImageSettings->SetGenerateMappingImage( true );
    	sgMappingImageSettings->SetApplyNewMaterialIds( true );
    	sgMappingImageSettings->SetGenerateTangents( true );
    	sgMappingImageSettings->SetUseFullRetexturing( true );
    
    	Simplygon::spMappingImageOutputMaterialSettings sgOutputMaterialSettings = sgMappingImageSettings->GetOutputMaterialSettings(0);
    
    	// Setting the size of the output material for the mapping image. This will be the output size of the 
    	// textures when we do material casting in a later stage. 
    	sgOutputMaterialSettings->SetTextureWidth( 2048 );
    	sgOutputMaterialSettings->SetTextureHeight( 2048 );
    
    	// Start the remeshing process. 
    	sgRemeshingProcessor->RunProcessing();
    
    	// Setup and run the geometry data caster casting Coords to a texture. 
    	Simplygon::spGeometryDataCaster sgGeometryData_CoordsCaster = sg->CreateGeometryDataCaster();
    	sgGeometryData_CoordsCaster->SetMappingImage( sgRemeshingProcessor->GetMappingImage() );
    	sgGeometryData_CoordsCaster->SetSourceMaterials( sgScene->GetMaterialTable() );
    	sgGeometryData_CoordsCaster->SetSourceTextures( sgScene->GetTextureTable() );
    	sgGeometryData_CoordsCaster->SetOutputFilePath( "GeometryData_CoordsTexture" );
    
    	Simplygon::spGeometryDataCasterSettings sgGeometryData_CoordsCasterSettings = sgGeometryData_CoordsCaster->GetGeometryDataCasterSettings();
    	sgGeometryData_CoordsCasterSettings->SetMaterialChannel( "GeometryData_Coords" );
    	sgGeometryData_CoordsCasterSettings->SetOutputImageFileFormat( Simplygon::EImageOutputFormat::PNG );
    	sgGeometryData_CoordsCasterSettings->SetOutputPixelFormat( Simplygon::EPixelFormat::R16G16B16 );
    	sgGeometryData_CoordsCasterSettings->SetFillMode( Simplygon::EAtlasFillMode::NoFill );
    	sgGeometryData_CoordsCasterSettings->SetGeometryDataFieldType( Simplygon::EGeometryDataFieldType::Coords );
    	sgGeometryData_CoordsCasterSettings->SetGeometryDataFieldIndex( 0 );
    
    	sgGeometryData_CoordsCaster->RunProcessing();
    	std::string geometrydata_coordsTextureFilePath = sgGeometryData_CoordsCaster->GetOutputFilePath();
    
    	// Setup and run the geometry data caster casting Normals to a texture. 
    	Simplygon::spGeometryDataCaster sgGeometryData_NormalsCaster = sg->CreateGeometryDataCaster();
    	sgGeometryData_NormalsCaster->SetMappingImage( sgRemeshingProcessor->GetMappingImage() );
    	sgGeometryData_NormalsCaster->SetSourceMaterials( sgScene->GetMaterialTable() );
    	sgGeometryData_NormalsCaster->SetSourceTextures( sgScene->GetTextureTable() );
    	sgGeometryData_NormalsCaster->SetOutputFilePath( "GeometryData_NormalsTexture" );
    
    	Simplygon::spGeometryDataCasterSettings sgGeometryData_NormalsCasterSettings = sgGeometryData_NormalsCaster->GetGeometryDataCasterSettings();
    	sgGeometryData_NormalsCasterSettings->SetMaterialChannel( "GeometryData_Normals" );
    	sgGeometryData_NormalsCasterSettings->SetOutputImageFileFormat( Simplygon::EImageOutputFormat::PNG );
    	sgGeometryData_NormalsCasterSettings->SetOutputPixelFormat( Simplygon::EPixelFormat::R16G16B16 );
    	sgGeometryData_NormalsCasterSettings->SetFillMode( Simplygon::EAtlasFillMode::NoFill );
    	sgGeometryData_NormalsCasterSettings->SetGeometryDataFieldType( Simplygon::EGeometryDataFieldType::Normals );
    	sgGeometryData_NormalsCasterSettings->SetGeometryDataFieldIndex( 0 );
    
    	sgGeometryData_NormalsCaster->RunProcessing();
    	std::string geometrydata_normalsTextureFilePath = sgGeometryData_NormalsCaster->GetOutputFilePath();
    
    	// Setup and run the geometry data caster casting MaterialIds to a texture. 
    	Simplygon::spGeometryDataCaster sgGeometryData_MaterialIdsCaster = sg->CreateGeometryDataCaster();
    	sgGeometryData_MaterialIdsCaster->SetMappingImage( sgRemeshingProcessor->GetMappingImage() );
    	sgGeometryData_MaterialIdsCaster->SetSourceMaterials( sgScene->GetMaterialTable() );
    	sgGeometryData_MaterialIdsCaster->SetSourceTextures( sgScene->GetTextureTable() );
    	sgGeometryData_MaterialIdsCaster->SetOutputFilePath( "GeometryData_MaterialIdsTexture" );
    
    	Simplygon::spGeometryDataCasterSettings sgGeometryData_MaterialIdsCasterSettings = sgGeometryData_MaterialIdsCaster->GetGeometryDataCasterSettings();
    	sgGeometryData_MaterialIdsCasterSettings->SetMaterialChannel( "GeometryData_MaterialIds" );
    	sgGeometryData_MaterialIdsCasterSettings->SetOutputImageFileFormat( Simplygon::EImageOutputFormat::PNG );
    	sgGeometryData_MaterialIdsCasterSettings->SetOutputPixelFormat( Simplygon::EPixelFormat::R8 );
    	sgGeometryData_MaterialIdsCasterSettings->SetFillMode( Simplygon::EAtlasFillMode::NoFill );
    	sgGeometryData_MaterialIdsCasterSettings->SetGeometryDataFieldType( Simplygon::EGeometryDataFieldType::MaterialIds );
    	sgGeometryData_MaterialIdsCasterSettings->SetGeometryDataFieldIndex( 0 );
    
    	sgGeometryData_MaterialIdsCaster->RunProcessing();
    	std::string geometrydata_materialidsTextureFilePath = sgGeometryData_MaterialIdsCaster->GetOutputFilePath();
    
    	// Update scene with new casted textures. 
    	Simplygon::spMaterialTable sgMaterialTable = sg->CreateMaterialTable();
    	Simplygon::spTextureTable sgTextureTable = sg->CreateTextureTable();
    	Simplygon::spMaterial sgMaterial = sg->CreateMaterial();
    	Simplygon::spTexture sgGeometryData_CoordsTexture = sg->CreateTexture();
    	sgGeometryData_CoordsTexture->SetName( "GeometryData_Coords" );
    	sgGeometryData_CoordsTexture->SetFilePath( geometrydata_coordsTextureFilePath.c_str() );
    	sgTextureTable->AddTexture( sgGeometryData_CoordsTexture );
    
    	Simplygon::spShadingTextureNode sgGeometryData_CoordsTextureShadingNode = sg->CreateShadingTextureNode();
    	sgGeometryData_CoordsTextureShadingNode->SetTexCoordLevel( 0 );
    	sgGeometryData_CoordsTextureShadingNode->SetTextureName( "GeometryData_Coords" );
    
    	sgMaterial->AddMaterialChannel( "GeometryData_Coords" );
    	sgMaterial->SetShadingNetwork( "GeometryData_Coords", sgGeometryData_CoordsTextureShadingNode );
    	Simplygon::spTexture sgGeometryData_NormalsTexture = sg->CreateTexture();
    	sgGeometryData_NormalsTexture->SetName( "GeometryData_Normals" );
    	sgGeometryData_NormalsTexture->SetFilePath( geometrydata_normalsTextureFilePath.c_str() );
    	sgTextureTable->AddTexture( sgGeometryData_NormalsTexture );
    
    	Simplygon::spShadingTextureNode sgGeometryData_NormalsTextureShadingNode = sg->CreateShadingTextureNode();
    	sgGeometryData_NormalsTextureShadingNode->SetTexCoordLevel( 0 );
    	sgGeometryData_NormalsTextureShadingNode->SetTextureName( "GeometryData_Normals" );
    
    	sgMaterial->AddMaterialChannel( "GeometryData_Normals" );
    	sgMaterial->SetShadingNetwork( "GeometryData_Normals", sgGeometryData_NormalsTextureShadingNode );
    	Simplygon::spTexture sgGeometryData_MaterialIdsTexture = sg->CreateTexture();
    	sgGeometryData_MaterialIdsTexture->SetName( "GeometryData_MaterialIds" );
    	sgGeometryData_MaterialIdsTexture->SetFilePath( geometrydata_materialidsTextureFilePath.c_str() );
    	sgTextureTable->AddTexture( sgGeometryData_MaterialIdsTexture );
    
    	Simplygon::spShadingTextureNode sgGeometryData_MaterialIdsTextureShadingNode = sg->CreateShadingTextureNode();
    	sgGeometryData_MaterialIdsTextureShadingNode->SetTexCoordLevel( 0 );
    	sgGeometryData_MaterialIdsTextureShadingNode->SetTextureName( "GeometryData_MaterialIds" );
    
    	sgMaterial->AddMaterialChannel( "GeometryData_MaterialIds" );
    	sgMaterial->SetShadingNetwork( "GeometryData_MaterialIds", sgGeometryData_MaterialIdsTextureShadingNode );
    
    	sgMaterialTable->AddMaterial( sgMaterial );
    
    	sgScene->GetTextureTable()->Clear();
    	sgScene->GetMaterialTable()->Clear();
    	sgScene->GetTextureTable()->Copy(sgTextureTable);
    	sgScene->GetMaterialTable()->Copy(sgMaterialTable);
    
    	Simplygon::spSceneExporter  sgSceneExporter = sg->CreateSceneExporter();
    	sgSceneExporter->SetScene(sgScene);
    	sgSceneExporter->SetExportFilePath( "Output.fbx" );
    	if(!sgSceneExporter->RunExport())
    		throw std::exception("Failed to save Output.fbx.");
    
    }
    
    void main()
    {
    	Simplygon::ISimplygon* sg = NULL;
    	Simplygon::EErrorCodes initval = Simplygon::Initialize( &sg );
    	if( initval != Simplygon::EErrorCodes::NoError )
    	{
    		return;
    	}
    
    	RunGeometryDataDasting(sg);
    
    	Simplygon::Deinitialize(sg);
    }
    
    
    
    // Copyright (c) Microsoft Corporation. 
    // Licensed under the MIT license. 
    
    using System;
    using System.IO;
    using System.Threading.Tasks;
    
    public class Program
    {
        static void RunGeometryDataDasting(Simplygon.ISimplygon sg)
        {
            using (Simplygon.spSceneImporter  sgSceneImporter = sg.CreateSceneImporter())
            {
                sgSceneImporter.SetImportFilePath( "../Assets/RiggedSimplygonMan/RiggedSimplygonMan.fbx" );
                if(!sgSceneImporter.RunImport())
                    throw new System.Exception("Failed to load RiggedSimplygonMan/RiggedSimplygonMan.fbx.");
                Simplygon.spScene sgScene = sgSceneImporter.GetScene();
    
                // Create the remeshing processor. 
                using (Simplygon.spRemeshingProcessor sgRemeshingProcessor = sg.CreateRemeshingProcessor())
                {
                    sgRemeshingProcessor.SetScene( sgScene );
    
                    using (Simplygon.spRemeshingSettings sgRemeshingSettings = sgRemeshingProcessor.GetRemeshingSettings())
                    using (Simplygon.spMappingImageSettings sgMappingImageSettings = sgRemeshingProcessor.GetMappingImageSettings())
                    {
                        // Set on-screen size target for remeshing. 
                        sgRemeshingSettings.SetOnScreenSize( 300 );
    
                        // Generates a mapping image which is used after the remeshing to cast new materials to the new 
                        // remeshed object. 
                        sgMappingImageSettings.SetGenerateMappingImage( true );
                        sgMappingImageSettings.SetApplyNewMaterialIds( true );
                        sgMappingImageSettings.SetGenerateTangents( true );
                        sgMappingImageSettings.SetUseFullRetexturing( true );
    
                        using (Simplygon.spMappingImageOutputMaterialSettings sgOutputMaterialSettings = sgMappingImageSettings.GetOutputMaterialSettings(0))
                        {
                            // Setting the size of the output material for the mapping image. This will be the output size of the 
                            // textures when we do material casting in a later stage. 
                            sgOutputMaterialSettings.SetTextureWidth( 2048 );
                            sgOutputMaterialSettings.SetTextureHeight( 2048 );
    
                        }
                    }
                    // Start the remeshing process. 
                    sgRemeshingProcessor.RunProcessing();
    
                    // Setup and run the geometry data caster casting Coords to a texture. 
                    string geometrydata_coordsTextureFilePath;
                    using (Simplygon.spGeometryDataCaster sgGeometryData_CoordsCaster = sg.CreateGeometryDataCaster())
                    {
                        sgGeometryData_CoordsCaster.SetMappingImage( sgRemeshingProcessor.GetMappingImage() );
                        sgGeometryData_CoordsCaster.SetSourceMaterials( sgScene.GetMaterialTable() );
                        sgGeometryData_CoordsCaster.SetSourceTextures( sgScene.GetTextureTable() );
                        sgGeometryData_CoordsCaster.SetOutputFilePath( "GeometryData_CoordsTexture" );
    
                        using (Simplygon.spGeometryDataCasterSettings sgGeometryData_CoordsCasterSettings = sgGeometryData_CoordsCaster.GetGeometryDataCasterSettings())
                        {
                            sgGeometryData_CoordsCasterSettings.SetMaterialChannel( "GeometryData_Coords" );
                            sgGeometryData_CoordsCasterSettings.SetOutputImageFileFormat( Simplygon.EImageOutputFormat.PNG );
                            sgGeometryData_CoordsCasterSettings.SetOutputPixelFormat( Simplygon.EPixelFormat.R16G16B16 );
                            sgGeometryData_CoordsCasterSettings.SetFillMode( Simplygon.EAtlasFillMode.NoFill );
                            sgGeometryData_CoordsCasterSettings.SetGeometryDataFieldType( Simplygon.EGeometryDataFieldType.Coords );
                            sgGeometryData_CoordsCasterSettings.SetGeometryDataFieldIndex( 0 );
                        }
    
                        sgGeometryData_CoordsCaster.RunProcessing();
                        geometrydata_coordsTextureFilePath = sgGeometryData_CoordsCaster.GetOutputFilePath();
                    }
    
                    // Setup and run the geometry data caster casting Normals to a texture. 
                    string geometrydata_normalsTextureFilePath;
                    using (Simplygon.spGeometryDataCaster sgGeometryData_NormalsCaster = sg.CreateGeometryDataCaster())
                    {
                        sgGeometryData_NormalsCaster.SetMappingImage( sgRemeshingProcessor.GetMappingImage() );
                        sgGeometryData_NormalsCaster.SetSourceMaterials( sgScene.GetMaterialTable() );
                        sgGeometryData_NormalsCaster.SetSourceTextures( sgScene.GetTextureTable() );
                        sgGeometryData_NormalsCaster.SetOutputFilePath( "GeometryData_NormalsTexture" );
    
                        using (Simplygon.spGeometryDataCasterSettings sgGeometryData_NormalsCasterSettings = sgGeometryData_NormalsCaster.GetGeometryDataCasterSettings())
                        {
                            sgGeometryData_NormalsCasterSettings.SetMaterialChannel( "GeometryData_Normals" );
                            sgGeometryData_NormalsCasterSettings.SetOutputImageFileFormat( Simplygon.EImageOutputFormat.PNG );
                            sgGeometryData_NormalsCasterSettings.SetOutputPixelFormat( Simplygon.EPixelFormat.R16G16B16 );
                            sgGeometryData_NormalsCasterSettings.SetFillMode( Simplygon.EAtlasFillMode.NoFill );
                            sgGeometryData_NormalsCasterSettings.SetGeometryDataFieldType( Simplygon.EGeometryDataFieldType.Normals );
                            sgGeometryData_NormalsCasterSettings.SetGeometryDataFieldIndex( 0 );
                        }
    
                        sgGeometryData_NormalsCaster.RunProcessing();
                        geometrydata_normalsTextureFilePath = sgGeometryData_NormalsCaster.GetOutputFilePath();
                    }
    
                    // Setup and run the geometry data caster casting MaterialIds to a texture. 
                    string geometrydata_materialidsTextureFilePath;
                    using (Simplygon.spGeometryDataCaster sgGeometryData_MaterialIdsCaster = sg.CreateGeometryDataCaster())
                    {
                        sgGeometryData_MaterialIdsCaster.SetMappingImage( sgRemeshingProcessor.GetMappingImage() );
                        sgGeometryData_MaterialIdsCaster.SetSourceMaterials( sgScene.GetMaterialTable() );
                        sgGeometryData_MaterialIdsCaster.SetSourceTextures( sgScene.GetTextureTable() );
                        sgGeometryData_MaterialIdsCaster.SetOutputFilePath( "GeometryData_MaterialIdsTexture" );
    
                        using (Simplygon.spGeometryDataCasterSettings sgGeometryData_MaterialIdsCasterSettings = sgGeometryData_MaterialIdsCaster.GetGeometryDataCasterSettings())
                        {
                            sgGeometryData_MaterialIdsCasterSettings.SetMaterialChannel( "GeometryData_MaterialIds" );
                            sgGeometryData_MaterialIdsCasterSettings.SetOutputImageFileFormat( Simplygon.EImageOutputFormat.PNG );
                            sgGeometryData_MaterialIdsCasterSettings.SetOutputPixelFormat( Simplygon.EPixelFormat.R8 );
                            sgGeometryData_MaterialIdsCasterSettings.SetFillMode( Simplygon.EAtlasFillMode.NoFill );
                            sgGeometryData_MaterialIdsCasterSettings.SetGeometryDataFieldType( Simplygon.EGeometryDataFieldType.MaterialIds );
                            sgGeometryData_MaterialIdsCasterSettings.SetGeometryDataFieldIndex( 0 );
                        }
    
                        sgGeometryData_MaterialIdsCaster.RunProcessing();
                        geometrydata_materialidsTextureFilePath = sgGeometryData_MaterialIdsCaster.GetOutputFilePath();
                    }
    
                    // Update scene with new casted textures. 
                    using (Simplygon.spMaterialTable sgMaterialTable = sg.CreateMaterialTable())
                    using (Simplygon.spTextureTable sgTextureTable = sg.CreateTextureTable())
                    using (Simplygon.spMaterial sgMaterial = sg.CreateMaterial())
                    {
                        using(Simplygon.spTexture sgGeometryData_CoordsTexture = sg.CreateTexture())
                        {
                            sgGeometryData_CoordsTexture.SetName( "GeometryData_Coords" );
                            sgGeometryData_CoordsTexture.SetFilePath( geometrydata_coordsTextureFilePath );
                            sgTextureTable.AddTexture( sgGeometryData_CoordsTexture );
                        }
    
                        using(Simplygon.spShadingTextureNode sgGeometryData_CoordsTextureShadingNode = sg.CreateShadingTextureNode())
                        {
                            sgGeometryData_CoordsTextureShadingNode.SetTexCoordLevel( 0 );
                            sgGeometryData_CoordsTextureShadingNode.SetTextureName( "GeometryData_Coords" );
    
                            sgMaterial.AddMaterialChannel( "GeometryData_Coords" );
                            sgMaterial.SetShadingNetwork( "GeometryData_Coords", sgGeometryData_CoordsTextureShadingNode );
                        }
                        using(Simplygon.spTexture sgGeometryData_NormalsTexture = sg.CreateTexture())
                        {
                            sgGeometryData_NormalsTexture.SetName( "GeometryData_Normals" );
                            sgGeometryData_NormalsTexture.SetFilePath( geometrydata_normalsTextureFilePath );
                            sgTextureTable.AddTexture( sgGeometryData_NormalsTexture );
                        }
    
                        using(Simplygon.spShadingTextureNode sgGeometryData_NormalsTextureShadingNode = sg.CreateShadingTextureNode())
                        {
                            sgGeometryData_NormalsTextureShadingNode.SetTexCoordLevel( 0 );
                            sgGeometryData_NormalsTextureShadingNode.SetTextureName( "GeometryData_Normals" );
    
                            sgMaterial.AddMaterialChannel( "GeometryData_Normals" );
                            sgMaterial.SetShadingNetwork( "GeometryData_Normals", sgGeometryData_NormalsTextureShadingNode );
                        }
                        using(Simplygon.spTexture sgGeometryData_MaterialIdsTexture = sg.CreateTexture())
                        {
                            sgGeometryData_MaterialIdsTexture.SetName( "GeometryData_MaterialIds" );
                            sgGeometryData_MaterialIdsTexture.SetFilePath( geometrydata_materialidsTextureFilePath );
                            sgTextureTable.AddTexture( sgGeometryData_MaterialIdsTexture );
                        }
    
                        using(Simplygon.spShadingTextureNode sgGeometryData_MaterialIdsTextureShadingNode = sg.CreateShadingTextureNode())
                        {
                            sgGeometryData_MaterialIdsTextureShadingNode.SetTexCoordLevel( 0 );
                            sgGeometryData_MaterialIdsTextureShadingNode.SetTextureName( "GeometryData_MaterialIds" );
    
                            sgMaterial.AddMaterialChannel( "GeometryData_MaterialIds" );
                            sgMaterial.SetShadingNetwork( "GeometryData_MaterialIds", sgGeometryData_MaterialIdsTextureShadingNode );
                        }
    
                        sgMaterialTable.AddMaterial( sgMaterial );
    
                        sgScene.GetTextureTable().Clear();
                        sgScene.GetMaterialTable().Clear();
                        sgScene.GetTextureTable().Copy(sgTextureTable);
                        sgScene.GetMaterialTable().Copy(sgMaterialTable);
                    }
    
                }
                using (Simplygon.spSceneExporter sgSceneExporter = sg.CreateSceneExporter())
                {
                    sgSceneExporter.SetScene(sgScene);
                    sgSceneExporter.SetExportFilePath( "Output.fbx" );
                    if(!sgSceneExporter.RunExport())
                        throw new System.Exception("Failed to save Output.fbx.");
    
                }
            }
        }
        static void Main(string[] args)
        {
            using (var sg = Simplygon.Loader.InitSimplygon(out var errorCode, out var errorMessage))
            {
                if (errorCode != Simplygon.EErrorCodes.NoError)
                    return;
                RunGeometryDataDasting(sg);
            }
        }
    }
    
    
    # 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 RunGeometryDataDasting(sg: Simplygon.ISimplygon):
        sgSceneImporter = sg.CreateSceneImporter()
        sgSceneImporter.SetImportFilePath( "../Assets/RiggedSimplygonMan/RiggedSimplygonMan.fbx" )
        if not sgSceneImporter.RunImport():
            raise Exception("Failed to load RiggedSimplygonMan/RiggedSimplygonMan.fbx.")
        sgScene = sgSceneImporter.GetScene()
    
        # Create the remeshing processor. 
        sgRemeshingProcessor = sg.CreateRemeshingProcessor()
    
        sgRemeshingProcessor.SetScene( sgScene )
    
        sgRemeshingSettings = sgRemeshingProcessor.GetRemeshingSettings()
        sgMappingImageSettings = sgRemeshingProcessor.GetMappingImageSettings()
    
        # Set on-screen size target for remeshing. 
        sgRemeshingSettings.SetOnScreenSize( 300 )
    
        # Generates a mapping image which is used after the remeshing to cast new materials to the new 
        # remeshed object. 
        sgMappingImageSettings.SetGenerateMappingImage( True )
        sgMappingImageSettings.SetApplyNewMaterialIds( True )
        sgMappingImageSettings.SetGenerateTangents( True )
        sgMappingImageSettings.SetUseFullRetexturing( True )
    
        sgOutputMaterialSettings = sgMappingImageSettings.GetOutputMaterialSettings(0)
    
        # Setting the size of the output material for the mapping image. This will be the output size of the 
        # textures when we do material casting in a later stage. 
        sgOutputMaterialSettings.SetTextureWidth( 2048 )
        sgOutputMaterialSettings.SetTextureHeight( 2048 )
    
        # Start the remeshing process. 
        sgRemeshingProcessor.RunProcessing()
    
        # Setup and run the geometry data caster casting Coords to a texture. 
        sgGeometryData_CoordsCaster = sg.CreateGeometryDataCaster()
        sgGeometryData_CoordsCaster.SetMappingImage( sgRemeshingProcessor.GetMappingImage() )
        sgGeometryData_CoordsCaster.SetSourceMaterials( sgScene.GetMaterialTable() )
        sgGeometryData_CoordsCaster.SetSourceTextures( sgScene.GetTextureTable() )
        sgGeometryData_CoordsCaster.SetOutputFilePath( "GeometryData_CoordsTexture" )
    
        sgGeometryData_CoordsCasterSettings = sgGeometryData_CoordsCaster.GetGeometryDataCasterSettings()
        sgGeometryData_CoordsCasterSettings.SetMaterialChannel( "GeometryData_Coords" )
        sgGeometryData_CoordsCasterSettings.SetOutputImageFileFormat( Simplygon.EImageOutputFormat_PNG )
        sgGeometryData_CoordsCasterSettings.SetOutputPixelFormat( Simplygon.EPixelFormat_R16G16B16 )
        sgGeometryData_CoordsCasterSettings.SetFillMode( Simplygon.EAtlasFillMode_NoFill )
        sgGeometryData_CoordsCasterSettings.SetGeometryDataFieldType( Simplygon.EGeometryDataFieldType_Coords )
        sgGeometryData_CoordsCasterSettings.SetGeometryDataFieldIndex( 0 )
    
        sgGeometryData_CoordsCaster.RunProcessing()
        geometrydata_coordsTextureFilePath = sgGeometryData_CoordsCaster.GetOutputFilePath()
    
        # Setup and run the geometry data caster casting Normals to a texture. 
        sgGeometryData_NormalsCaster = sg.CreateGeometryDataCaster()
        sgGeometryData_NormalsCaster.SetMappingImage( sgRemeshingProcessor.GetMappingImage() )
        sgGeometryData_NormalsCaster.SetSourceMaterials( sgScene.GetMaterialTable() )
        sgGeometryData_NormalsCaster.SetSourceTextures( sgScene.GetTextureTable() )
        sgGeometryData_NormalsCaster.SetOutputFilePath( "GeometryData_NormalsTexture" )
    
        sgGeometryData_NormalsCasterSettings = sgGeometryData_NormalsCaster.GetGeometryDataCasterSettings()
        sgGeometryData_NormalsCasterSettings.SetMaterialChannel( "GeometryData_Normals" )
        sgGeometryData_NormalsCasterSettings.SetOutputImageFileFormat( Simplygon.EImageOutputFormat_PNG )
        sgGeometryData_NormalsCasterSettings.SetOutputPixelFormat( Simplygon.EPixelFormat_R16G16B16 )
        sgGeometryData_NormalsCasterSettings.SetFillMode( Simplygon.EAtlasFillMode_NoFill )
        sgGeometryData_NormalsCasterSettings.SetGeometryDataFieldType( Simplygon.EGeometryDataFieldType_Normals )
        sgGeometryData_NormalsCasterSettings.SetGeometryDataFieldIndex( 0 )
    
        sgGeometryData_NormalsCaster.RunProcessing()
        geometrydata_normalsTextureFilePath = sgGeometryData_NormalsCaster.GetOutputFilePath()
    
        # Setup and run the geometry data caster casting MaterialIds to a texture. 
        sgGeometryData_MaterialIdsCaster = sg.CreateGeometryDataCaster()
        sgGeometryData_MaterialIdsCaster.SetMappingImage( sgRemeshingProcessor.GetMappingImage() )
        sgGeometryData_MaterialIdsCaster.SetSourceMaterials( sgScene.GetMaterialTable() )
        sgGeometryData_MaterialIdsCaster.SetSourceTextures( sgScene.GetTextureTable() )
        sgGeometryData_MaterialIdsCaster.SetOutputFilePath( "GeometryData_MaterialIdsTexture" )
    
        sgGeometryData_MaterialIdsCasterSettings = sgGeometryData_MaterialIdsCaster.GetGeometryDataCasterSettings()
        sgGeometryData_MaterialIdsCasterSettings.SetMaterialChannel( "GeometryData_MaterialIds" )
        sgGeometryData_MaterialIdsCasterSettings.SetOutputImageFileFormat( Simplygon.EImageOutputFormat_PNG )
        sgGeometryData_MaterialIdsCasterSettings.SetOutputPixelFormat( Simplygon.EPixelFormat_R8 )
        sgGeometryData_MaterialIdsCasterSettings.SetFillMode( Simplygon.EAtlasFillMode_NoFill )
        sgGeometryData_MaterialIdsCasterSettings.SetGeometryDataFieldType( Simplygon.EGeometryDataFieldType_MaterialIds )
        sgGeometryData_MaterialIdsCasterSettings.SetGeometryDataFieldIndex( 0 )
    
        sgGeometryData_MaterialIdsCaster.RunProcessing()
        geometrydata_materialidsTextureFilePath = sgGeometryData_MaterialIdsCaster.GetOutputFilePath()
    
        # Update scene with new casted textures. 
        sgMaterialTable = sg.CreateMaterialTable()
        sgTextureTable = sg.CreateTextureTable()
        sgMaterial = sg.CreateMaterial()
        sgGeometryData_CoordsTexture = sg.CreateTexture()
        sgGeometryData_CoordsTexture.SetName( "GeometryData_Coords" )
        sgGeometryData_CoordsTexture.SetFilePath( geometrydata_coordsTextureFilePath )
        sgTextureTable.AddTexture( sgGeometryData_CoordsTexture )
    
        sgGeometryData_CoordsTextureShadingNode = sg.CreateShadingTextureNode()
        sgGeometryData_CoordsTextureShadingNode.SetTexCoordLevel( 0 )
        sgGeometryData_CoordsTextureShadingNode.SetTextureName( "GeometryData_Coords" )
    
        sgMaterial.AddMaterialChannel( "GeometryData_Coords" )
        sgMaterial.SetShadingNetwork( "GeometryData_Coords", sgGeometryData_CoordsTextureShadingNode )
        sgGeometryData_NormalsTexture = sg.CreateTexture()
        sgGeometryData_NormalsTexture.SetName( "GeometryData_Normals" )
        sgGeometryData_NormalsTexture.SetFilePath( geometrydata_normalsTextureFilePath )
        sgTextureTable.AddTexture( sgGeometryData_NormalsTexture )
    
        sgGeometryData_NormalsTextureShadingNode = sg.CreateShadingTextureNode()
        sgGeometryData_NormalsTextureShadingNode.SetTexCoordLevel( 0 )
        sgGeometryData_NormalsTextureShadingNode.SetTextureName( "GeometryData_Normals" )
    
        sgMaterial.AddMaterialChannel( "GeometryData_Normals" )
        sgMaterial.SetShadingNetwork( "GeometryData_Normals", sgGeometryData_NormalsTextureShadingNode )
        sgGeometryData_MaterialIdsTexture = sg.CreateTexture()
        sgGeometryData_MaterialIdsTexture.SetName( "GeometryData_MaterialIds" )
        sgGeometryData_MaterialIdsTexture.SetFilePath( geometrydata_materialidsTextureFilePath )
        sgTextureTable.AddTexture( sgGeometryData_MaterialIdsTexture )
    
        sgGeometryData_MaterialIdsTextureShadingNode = sg.CreateShadingTextureNode()
        sgGeometryData_MaterialIdsTextureShadingNode.SetTexCoordLevel( 0 )
        sgGeometryData_MaterialIdsTextureShadingNode.SetTextureName( "GeometryData_MaterialIds" )
    
        sgMaterial.AddMaterialChannel( "GeometryData_MaterialIds" )
        sgMaterial.SetShadingNetwork( "GeometryData_MaterialIds", sgGeometryData_MaterialIdsTextureShadingNode )
    
        sgMaterialTable.AddMaterial( sgMaterial )
    
        sgScene.GetTextureTable().Clear()
        sgScene.GetMaterialTable().Clear()
        sgScene.GetTextureTable().Copy(sgTextureTable)
        sgScene.GetMaterialTable().Copy(sgMaterialTable)
    
        sgSceneExporter = sg.CreateSceneExporter()
        sgSceneExporter.SetScene(sgScene)
        sgSceneExporter.SetExportFilePath( "Output.fbx" )
        if not sgSceneExporter.RunExport():
            raise Exception("Failed to save Output.fbx.")
    
    
    if __name__ == '__main__':
        sg = simplygon_loader.init_simplygon()
    
        RunGeometryDataDasting(sg)
    
        sg = None
        gc.collect()
    
    
    

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