This example shows how to use the Aggregation processor with a process selection set.
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
#include <string>
#include <stdlib.h>
#include <filesystem>
#include <future>
#include "SimplygonLoader.h"
void RunAggregation(Simplygon::ISimplygon* sg)
{
Simplygon::spSceneImporter sgSceneImporter = sg->CreateSceneImporter();
sgSceneImporter->SetImportFilePath( "../Assets/ObscuredTeapot/ObscuredTeapot.obj" );
if(!sgSceneImporter->RunImport())
throw std::exception("Failed to load ObscuredTeapot/ObscuredTeapot.obj.");
Simplygon::spScene sgScene = sgSceneImporter->GetScene();
// Create the aggregation processor.
Simplygon::spAggregationProcessor sgAggregationProcessor = sg->CreateAggregationProcessor();
sgAggregationProcessor->SetScene( sgScene );
Simplygon::spAggregationSettings sgAggregationSettings = sgAggregationProcessor->GetAggregationSettings();
// Add a selection set to the scene with all nodes which should be aggregated.
Simplygon::spSelectionSetTable sgSceneSelectionSetTable = sgScene->GetSelectionSetTable();
Simplygon::spSelectionSet sgAggregationTargetSelectionSet = sg->CreateSelectionSet();
sgAggregationTargetSelectionSet->SetName("AggregationTarget");
Simplygon::spSceneNode sgRootTeapot001 = sgScene->GetNodeFromPath("Root/Teapot001");
if (!sgRootTeapot001.IsNull())
sgAggregationTargetSelectionSet->AddItem(sgRootTeapot001->GetNodeGUID());
sgSceneSelectionSetTable->AddSelectionSet(sgAggregationTargetSelectionSet);
// Merge all geometries into a single geometry.
sgAggregationSettings->SetMergeGeometries( true );
// Use the selection set created earlier.
sgAggregationSettings->SetProcessSelectionSetName( "AggregationTarget" );
// Start the aggregation process.
sgAggregationProcessor->RunProcessing();
Simplygon::spSceneExporter sgSceneExporter = sg->CreateSceneExporter();
sgSceneExporter->SetScene(sgScene);
sgSceneExporter->SetExportFilePath( "AggregationOutput.fbx" );
if(!sgSceneExporter->RunExport())
throw std::exception("Failed to save AggregationOutput.fbx.");
}
void main()
{
Simplygon::ISimplygon* sg = NULL;
Simplygon::EErrorCodes initval = Simplygon::Initialize( &sg );
if( initval != Simplygon::EErrorCodes::NoError )
{
return;
}
RunAggregation(sg);
Simplygon::Deinitialize(sg);
}