This example shows how to use the Reduction pipeline with repair 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();
Simplygon::spRepairSettings sgRepairSettings = sgReductionPipeline->GetRepairSettings();
// Set reduction target to triangle ratio with a ratio of 50%.
sgReductionSettings->SetReductionTargets( Simplygon::EStopCondition::All, true, false, false, false );
sgReductionSettings->SetReductionTargetTriangleRatio( 0.5f );
// The number of repair passes. Higher value is slower but give better quality.
sgRepairSettings->SetProgressivePasses( 3 );
// Enable vertex welding.
sgRepairSettings->SetUseWelding( true );
sgRepairSettings->SetWeldDist( 0.0f );
// Remove T-junctions.
sgRepairSettings->SetUseTJunctionRemover( true );
sgRepairSettings->SetTJuncDist( 0.0f );
// No restriction to the weld process.
sgRepairSettings->SetWeldOnlyBetweenSceneNodes( false );
sgRepairSettings->SetWeldOnlyBorderVertices( false );
sgRepairSettings->SetWeldOnlyWithinMaterial( false );
sgRepairSettings->SetWeldOnlyWithinSceneNode( false );
// 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;
}