MRPositionVertsSmoothly.h

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#pragma once
 
#include "MRMeshFwd.h"
#include "MREnums.h"
 
namespace MR
{
 

MRMESH_API void positionVertsSmoothly( Mesh& mesh, const VertBitSet& verts,
    EdgeWeights edgeWeights = EdgeWeights::Cotan, VertexMass vmass = VertexMass::Unit,
    const VertBitSet * fixedSharpVertices = nullptr );
MRMESH_API void positionVertsSmoothly( const MeshTopology& topology, VertCoords& points, const VertBitSet& verts,
    EdgeWeights edgeWeights = EdgeWeights::Cotan, VertexMass vmass = VertexMass::Unit,
    const VertBitSet * fixedSharpVertices = nullptr );
 
struct PositionVertsSmoothlyParams
{
    const VertBitSet* region = nullptr;

    const Vector<Vector3f, VertId>* vertShifts = nullptr;

    float stabilizer = 0;

    VertMetric vertStabilizers;

    UndirectedEdgeMetric edgeWeights;
};

MRMESH_API void positionVertsSmoothlySharpBd( Mesh& mesh, const PositionVertsSmoothlyParams& params );
MRMESH_API void positionVertsSmoothlySharpBd( const MeshTopology& topology, VertCoords& points, const PositionVertsSmoothlyParams& params );
[[deprecated]] MRMESH_API void positionVertsSmoothlySharpBd( Mesh& mesh, const VertBitSet& verts );
 
struct InterpolateScalarsParams
{
    const VertBitSet* region = nullptr;

    EdgeWeights edgeWeights = EdgeWeights::Unit;

    VertexMass vmass = VertexMass::Unit;

    float stabilizer = 0;

    VertMetric vertStabilizers;

    UndirectedEdgeMetric edgeWeightsMetric;
};

MRMESH_API void interpolateScalarsSmoothly( const Mesh& mesh, VertScalars& field, const InterpolateScalarsParams& params );
MRMESH_API void interpolateScalarsSmoothly( const MeshTopology& topology, const VertCoords& points, VertScalars& field, const InterpolateScalarsParams& params );
MRMESH_API void interpolateScalarsSmoothly( const MeshTopology& topology, VertScalars& field, const InterpolateScalarsParams& params );
 
struct SpacingSettings
{
    const VertBitSet* region = nullptr;

    UndirectedEdgeMetric dist; 

    int numIters = 10;

    float stabilizer = 3;

    float maxSumNegW = 0.1f;

    FacePredicate isInverted;
};

MRMESH_API void positionVertsWithSpacing( Mesh& mesh, const SpacingSettings & settings );
MRMESH_API void positionVertsWithSpacing( const MeshTopology& topology, VertCoords& points, const SpacingSettings & settings );
 
struct InflateSettings
{
    float pressure = 0;
    int iterations = 3;
    bool preSmooth = true;
    bool gradualPressureGrowth = true;
};

MRMESH_API void inflate( Mesh& mesh, const VertBitSet& verts, const InflateSettings & settings );
MRMESH_API void inflate( const MeshTopology& topology, VertCoords& points, const VertBitSet& verts, const InflateSettings & settings );

MRMESH_API void inflate1( const MeshTopology& topology, VertCoords& points, const VertBitSet& verts, float pressure );
 
}