SpherePrimitiveShape.h

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#ifndef SPHEREPRIMITIVESHAPE_HEADER
#define SPHEREPRIMITIVESHAPE_HEADER
#include <istream>
 
#include "BitmapPrimitiveShape.h"
#include "LevMarFunc.h"
#include "LowStretchSphereParametrization.h"
#include "Sphere.h"
#include <GfxTL/AABox.h>
#include <GfxTL/Covariance.h>
#include <GfxTL/IndexedIterator.h>
#include <GfxTL/Jacobi.h>
#include <GfxTL/MathHelper.h>
#include <GfxTL/Mean.h>
 
#ifndef DLL_LINKAGE
#define DLL_LINKAGE
#endif
 
class DLL_LINKAGE SpherePrimitiveShape : public BitmapPrimitiveShape
{
public:
    typedef LowStretchSphereParametrization ParametrizationType;
 
    SpherePrimitiveShape() : m_parametrization(m_sphere)
    {
    }
 
    SpherePrimitiveShape(const Sphere& s);
    SpherePrimitiveShape(const SpherePrimitiveShape& sps);
    size_t Identifier() const;
 
    unsigned int
    RequiredSamples() const
    {
        return Sphere::RequiredSamples;
    }
 
    bool Init(bool binary, std::istream* i);
    PrimitiveShape* Clone() const;
    float Distance(const Vec3f& p) const;
    float SignedDistance(const Vec3f& p) const;
    float NormalDeviation(const Vec3f& p, const Vec3f& n) const;
    void
    DistanceAndNormalDeviation(const Vec3f& p, const Vec3f& n, std::pair<float, float>* dn) const;
    void Project(const Vec3f& p, Vec3f* pp) const;
    void Normal(const Vec3f& p, Vec3f* n) const;
    unsigned int ConfidenceTests(unsigned int numTests,
                                 float epsilon,
                                 float normalThresh,
                                 float rms,
                                 const PointCloud& pc,
                                 const MiscLib::Vector<size_t>& indices) const;
    void Description(std::string* s) const;
    bool Fit(const PointCloud& pc,
             float epsilon,
             float normalThresh,
             MiscLib::Vector<size_t>::const_iterator begin,
             MiscLib::Vector<size_t>::const_iterator end);
    PrimitiveShape* LSFit(const PointCloud& pc,
                          float epsilon,
                          float normalThresh,
                          MiscLib::Vector<size_t>::const_iterator begin,
                          MiscLib::Vector<size_t>::const_iterator end,
                          std::pair<size_t, float>* score) const;
    LevMarFunc<float>* SignedDistanceFunc() const;
    void Serialize(std::ostream* o, bool binary = true) const;
    void Deserialize(std::istream* i, bool binary);
    size_t SerializedSize() const;
 
    virtual void
    Serialize(float* array) const
    {
        m_sphere.Serialize(array);
    }
 
    virtual size_t
    SerializedFloatSize() const
    {
        return m_sphere.SerializedFloatSize();
    }
 
    void Transform(float scale, const Vec3f& translate);
    void Visit(PrimitiveShapeVisitor* visitor) const;
    void SuggestSimplifications(
        const PointCloud& pc,
        MiscLib::Vector<size_t>::const_iterator begin,
        MiscLib::Vector<size_t>::const_iterator end,
        float distThresh,
        MiscLib::Vector<MiscLib::RefCountPtr<PrimitiveShape>>* suggestions) const;
    void OptimizeParametrization(const PointCloud& pc,
                                 MiscLib::Vector<size_t>::const_iterator begin,
                                 MiscLib::Vector<size_t>::const_iterator end,
                                 float epsilon);
    void OptimizeParametrization(const PointCloud& pc, size_t begin, size_t end, float epsilon);
    bool Similar(float tolerance, const SpherePrimitiveShape& shape) const;
 
    const Sphere&
    Internal() const
    {
        return m_sphere;
    }
 
    // implementation of bitmap primitive shape
    void Parameters(const Vec3f& p, std::pair<float, float>* param) const;
    void Parameters(
        GfxTL::IndexedIterator<MiscLib::Vector<size_t>::iterator, PointCloud::const_iterator> begin,
        GfxTL::IndexedIterator<MiscLib::Vector<size_t>::iterator, PointCloud::const_iterator> end,
        MiscLib::Vector<std::pair<float, float>>* bmpParams) const;
    void Parameters(GfxTL::IndexedIterator<IndexIterator, PointCloud::const_iterator> begin,
                    GfxTL::IndexedIterator<IndexIterator, PointCloud::const_iterator> end,
                    MiscLib::Vector<std::pair<float, float>>* bmpParams) const;
    bool InSpace(float u, float v, Vec3f* p, Vec3f* n) const;
    void BitmapExtent(float epsilon,
                      GfxTL::AABox<GfxTL::Vector2Df>* bbox,
                      MiscLib::Vector<std::pair<float, float>>* params,
                      size_t* uextent,
                      size_t* vextent);
    void InBitmap(const std::pair<float, float>& param,
                  float epsilon,
                  const GfxTL::AABox<GfxTL::Vector2Df>& bbox,
                  size_t uextent,
                  size_t vextent,
                  std::pair<int, int>* inBmp) const;
    void WrapBitmap(const GfxTL::AABox<GfxTL::Vector2Df>& bbox,
                    float epsilon,
                    bool* uwrap,
                    bool* vwrap) const;
    void WrapComponents(const GfxTL::AABox<GfxTL::Vector2Df>& bbox,
                        float epsilon,
                        size_t uextent,
                        size_t vextent,
                        MiscLib::Vector<int>* componentImg,
                        MiscLib::Vector<std::pair<int, size_t>>* labels) const;
    bool InSpace(size_t u,
                 size_t v,
                 float epsilon,
                 const GfxTL::AABox<GfxTL::Vector2Df>& bbox,
                 size_t uextent,
                 size_t vextent,
                 Vec3f* p,
                 Vec3f* n) const;
 
private:
    template <class IteratorT>
    void ParametersImpl(IteratorT begin,
                        IteratorT end,
                        MiscLib::Vector<std::pair<float, float>>* bmpParams) const;
 
private:
    Sphere m_sphere;
    ParametrizationType m_parametrization;
};
 
template <class IteratorT>
void
SpherePrimitiveShape::ParametersImpl(IteratorT begin,
                                     IteratorT end,
                                     MiscLib::Vector<std::pair<float, float>>* bmpParams) const
{
    bmpParams->resize(end - begin);
    size_t j = 0;
    for (IteratorT i = begin; i != end; ++i, ++j)
    {
        m_parametrization.Parameters(*i, &(*bmpParams)[j]);
    }
}
 
class DLL_LINKAGE SphereLevMarFunc : public LevMarFunc<float>
{
public:
    SphereLevMarFunc(const Sphere& s) : m_sphere(s)
    {
    }
 
    float
    operator()(const float* x) const
    {
        return m_sphere.SignedDistance(*((const Vec3f*)x));
    }
 
    void
    operator()(const float* x, float* gradient) const
    {
        m_sphere.Normal(*((const Vec3f*)x), (Vec3f*)gradient);
    }
 
private:
    Sphere m_sphere;
};
 
#endif