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secondo/Algebras/Pointcloud2/analyzeOperators/GpCone.h
2026-01-23 17:03:45 +08:00

86 lines
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C++

/*
----
This file is part of SECONDO.
Copyright (C) 2019,
Faculty of Mathematics and Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
//[<] [\ensuremath{<}]
//[>] [\ensuremath{>}]
\setcounter{tocdepth}{3}
\tableofcontents
1 Cone
*/
#pragma once
#include <memory>
#include "GeomPrimitive.h"
constexpr unsigned EQUATION_COUNT_CONE = 4;
constexpr unsigned CHALLENGE_COUNT_CONE = 1;
constexpr unsigned TUPLE_SIZE_CONE =
EQUATION_COUNT_CONE + 1 + CHALLENGE_COUNT_CONE;
constexpr unsigned DUAL_DIM_CONE = 5;
namespace pointcloud2{
class GpCone: public GeomPrimitive<DUAL_DIM_CONE> {
// the three SHIFT_ID values are used to represent cones parallel to
// the z, x, y axis in dual space. The values should be "far" from each
// other so cones of different orientations are not treated as
// "neighbors" in DbScan
static double SHIFT_ID[DIMENSIONS];
public:
virtual ~GpCone() = default;
virtual std::string getCaption(const bool plural) const final;
virtual unsigned getTupleSize() const final;
virtual std::unique_ptr<std::vector<DbScanPoint<DUAL_DIM_CONE>>>
projectTupleToDual(
const std::vector<SamplePoint>& tuple,
const ParamsAnalyzeGeom& params,
const Rectangle<DIMENSIONS>& bboxOfEntrieCloud) final;
virtual GeomPredicate getPredicateForShape(
const PointBase<DUAL_DIM_CONE>& shape,
const ParamsAnalyzeGeom& params) const final;
virtual BboxPredicate getBboxPredicateForShape(
const PointBase<DUAL_DIM_CONE>& shape,
const ParamsAnalyzeGeom& params) const final;
private:
inline static unsigned shiftDim(const unsigned dimension,
const unsigned shift);
static unsigned getShiftFromId(const double shiftId);
static bool isPointFarOutsideShifted(
const double x, const double y, const double z,
const unsigned shift, const Rectangle<DIMENSIONS>& bbox);
};
}