This example shows how to use the Reduction pipeline with importance settings.
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
#include <string>
#include <stdlib.h>
#include <filesystem>
#include <future>
#include "SimplygonLoader.h"
void RunReduction(Simplygon::ISimplygon* sg)
{
Simplygon::spSceneImporter sgSceneImporter = sg->CreateSceneImporter();
sgSceneImporter->SetImportFilePath( "../Assets/SimplygonMan/SimplygonMan.obj" );
if(!sgSceneImporter->RunImport())
throw std::exception("Failed to load SimplygonMan/SimplygonMan.obj.");
Simplygon::spScene sgScene = sgSceneImporter->GetScene();
// Create the reduction pipeline.
Simplygon::spReductionPipeline sgReductionPipeline = sg->CreateReductionPipeline();
Simplygon::spReductionSettings sgReductionSettings = sgReductionPipeline->GetReductionSettings();
// Set reduction target to triangle ratio with a ratio of 50%.
sgReductionSettings->SetReductionTargets( Simplygon::EStopCondition::All, true, false, false, false );
sgReductionSettings->SetReductionTargetTriangleRatio( 0.5f );
// Prioritizing geometry importance during the reduction process.
sgReductionSettings->SetCurvatureImportance( 1.0f );
sgReductionSettings->SetEdgeSetImportance( 1.0f );
sgReductionSettings->SetGeometryImportance( 10.0f );
sgReductionSettings->SetGroupImportance( 1.0f );
sgReductionSettings->SetMaterialImportance( 1.0f );
sgReductionSettings->SetShadingImportance( 1.0f );
sgReductionSettings->SetSkinningImportance( 1.0f );
sgReductionSettings->SetTextureImportance( 1.0f );
sgReductionSettings->SetVertexColorImportance( 1.0f );
// Start the reduction pipeline.
sgReductionPipeline->RunScene(sgScene, Simplygon::EPipelineRunMode::RunInThisProcess);
// Get the processed scene.
Simplygon::spScene sgProcessedScene = sgReductionPipeline->GetProcessedScene();
Simplygon::spSceneExporter sgSceneExporter = sg->CreateSceneExporter();
sgSceneExporter->SetScene(sgProcessedScene);
sgSceneExporter->SetExportFilePath( "ReductionOutput.fbx" );
if(!sgSceneExporter->RunExport())
throw std::exception("Failed to save ReductionOutput.fbx.");
}
int main()
{
Simplygon::ISimplygon* sg = NULL;
Simplygon::EErrorCodes initval = Simplygon::Initialize( &sg );
if( initval != Simplygon::EErrorCodes::NoError )
{
return int(initval);
}
RunReduction(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 RunReduction(Simplygon.ISimplygon sg)
{
using (Simplygon.spSceneImporter sgSceneImporter = sg.CreateSceneImporter())
{
sgSceneImporter.SetImportFilePath( "../Assets/SimplygonMan/SimplygonMan.obj" );
if(!sgSceneImporter.RunImport())
throw new System.Exception("Failed to load SimplygonMan/SimplygonMan.obj.");
Simplygon.spScene sgScene = sgSceneImporter.GetScene();
// Create the reduction pipeline.
using (Simplygon.spReductionPipeline sgReductionPipeline = sg.CreateReductionPipeline())
{
using (Simplygon.spReductionSettings sgReductionSettings = sgReductionPipeline.GetReductionSettings())
{
// Set reduction target to triangle ratio with a ratio of 50%.
sgReductionSettings.SetReductionTargets( Simplygon.EStopCondition.All, true, false, false, false );
sgReductionSettings.SetReductionTargetTriangleRatio( 0.5f );
// Prioritizing geometry importance during the reduction process.
sgReductionSettings.SetCurvatureImportance( 1.0f );
sgReductionSettings.SetEdgeSetImportance( 1.0f );
sgReductionSettings.SetGeometryImportance( 10.0f );
sgReductionSettings.SetGroupImportance( 1.0f );
sgReductionSettings.SetMaterialImportance( 1.0f );
sgReductionSettings.SetShadingImportance( 1.0f );
sgReductionSettings.SetSkinningImportance( 1.0f );
sgReductionSettings.SetTextureImportance( 1.0f );
sgReductionSettings.SetVertexColorImportance( 1.0f );
}
// Start the reduction pipeline.
sgReductionPipeline.RunScene(sgScene, Simplygon.EPipelineRunMode.RunInThisProcess);
// Get the processed scene.
using (Simplygon.spScene sgProcessedScene = sgReductionPipeline.GetProcessedScene())
{
using (Simplygon.spSceneExporter sgSceneExporter = sg.CreateSceneExporter())
{
sgSceneExporter.SetScene(sgProcessedScene);
sgSceneExporter.SetExportFilePath( "ReductionOutput.fbx" );
if(!sgSceneExporter.RunExport())
throw new System.Exception("Failed to save ReductionOutput.fbx.");
}
}
}
}
}
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;
RunReduction(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 RunReduction(sg: Simplygon.ISimplygon):
sgSceneImporter = sg.CreateSceneImporter()
sgSceneImporter.SetImportFilePath( '../Assets/SimplygonMan/SimplygonMan.obj' )
if not sgSceneImporter.RunImport():
raise Exception('Failed to load SimplygonMan/SimplygonMan.obj.')
sgScene = sgSceneImporter.GetScene()
# Create the reduction pipeline.
sgReductionPipeline = sg.CreateReductionPipeline()
sgReductionSettings = sgReductionPipeline.GetReductionSettings()
# Set reduction target to triangle ratio with a ratio of 50%.
sgReductionSettings.SetReductionTargets( Simplygon.EStopCondition_All, True, False, False, False )
sgReductionSettings.SetReductionTargetTriangleRatio( 0.5 )
# Prioritizing geometry importance during the reduction process.
sgReductionSettings.SetCurvatureImportance( 1.0 )
sgReductionSettings.SetEdgeSetImportance( 1.0 )
sgReductionSettings.SetGeometryImportance( 10.0 )
sgReductionSettings.SetGroupImportance( 1.0 )
sgReductionSettings.SetMaterialImportance( 1.0 )
sgReductionSettings.SetShadingImportance( 1.0 )
sgReductionSettings.SetSkinningImportance( 1.0 )
sgReductionSettings.SetTextureImportance( 1.0 )
sgReductionSettings.SetVertexColorImportance( 1.0 )
# Start the reduction pipeline.
sgReductionPipeline.RunScene(sgScene, Simplygon.EPipelineRunMode_RunInThisProcess)
# Get the processed scene.
sgProcessedScene = sgReductionPipeline.GetProcessedScene()
sgSceneExporter = sg.CreateSceneExporter()
sgSceneExporter.SetScene(sgProcessedScene)
sgSceneExporter.SetExportFilePath( 'ReductionOutput.fbx' )
if not sgSceneExporter.RunExport():
raise Exception('Failed to save ReductionOutput.fbx.')
if __name__ == '__main__':
sg = simplygon_loader.init_simplygon()
if sg is None:
exit(Simplygon.GetLastInitializationError())
RunReduction(sg)
sg = None
gc.collect()