MRTunnelDetector.h

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#pragma once
 
#include "MRProgressCallback.h"
#include "MRExpected.h"
#include <cfloat>
 
namespace MR
{


MRMESH_API Expected<std::vector<EdgeLoop>> detectBasisTunnels( const MeshPart& mp, EdgeMetric metric = {}, ProgressCallback progressCallback = {} );

MRMESH_API Expected<EdgeLoop> findSmallestMetricCoLoop( const MeshTopology& topology, const EdgeLoop& loop, const EdgeMetric& metric,
    const FaceBitSet* region = nullptr );

MRMESH_API Expected<EdgeLoop> findShortestCoLoop( const MeshPart& mp, const EdgeLoop& loop );

[[nodiscard]] MRMESH_API std::vector<EdgeLoop> findSmallestMetricEquivalentLoops( const MeshTopology& topology, const EdgeLoop& loop, const EdgeMetric& metric,
    const FaceBitSet* region = nullptr );

[[nodiscard]] MRMESH_API std::vector<EdgeLoop> findShortestEquivalentLoops( const MeshPart& mp, const EdgeLoop& loop );

[[nodiscard]] MRMESH_API bool isLoopOuter( const Mesh& mesh, const EdgeLoop& loop );
 
enum class TunnelLoopType
{
    Any,
    Outer, 
    Inner  
};
 
struct DetectTunnelSettings
{
    float maxTunnelLength = FLT_MAX;

    int maxIters = 1;

    EdgeMetric metric;

    bool buildCoLoops = true;

    bool filterEquivalentCoLoops = false;

    TunnelLoopType loopType = TunnelLoopType::Any;

    ProgressCallback progress;
};

MRMESH_API Expected<FaceBitSet> detectTunnelFaces( const MeshPart& mp, const DetectTunnelSettings & settings = {} );

MRMESH_API Expected<void> eliminateTunnels( Mesh& mesh, const FaceBitSet* region = {}, const DetectTunnelSettings& settings = {} );
MRMESH_API Expected<void> eliminateTunnels( Mesh& mesh, const FillHoleNicelySettings& fillSettings, const FaceBitSet* region = {}, const DetectTunnelSettings& detectSettings = {} );

 
}