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153 lines
4.1 KiB
C++
153 lines
4.1 KiB
C++
/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SEISCOMP_GEO_BOUNDINGBOX_H
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#define SEISCOMP_GEO_BOUNDINGBOX_H
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#include <seiscomp/geo/coordinate.h>
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#include <ostream>
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namespace Seiscomp {
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namespace Geo {
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class SC_SYSTEM_CORE_API GeoBoundingBox {
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public:
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typedef GeoCoordinate::ValueType ValueType;
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enum Relation {
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Disjunct,
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Contains,
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Intersects
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};
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public:
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GeoBoundingBox();
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GeoBoundingBox(ValueType south, ValueType west,
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ValueType north, ValueType east);
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public:
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bool operator==(const GeoBoundingBox &other) const;
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GeoBoundingBox &operator+=(const GeoBoundingBox &other);
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GeoBoundingBox operator+(const GeoBoundingBox &other) const;
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bool operator&(const GeoBoundingBox &other) const;
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public:
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GeoBoundingBox &normalize();
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bool isEmpty() const;
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bool isNull() const;
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/**
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* @brief Sets this box empty. After that call @isEmpty() will
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* return true.
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*/
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void reset();
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bool coversFullLongitude() const;
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ValueType width() const;
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ValueType height() const;
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bool crossesDateLine() const;
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static bool crossesDateLine(ValueType east, ValueType west);
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GeoCoordinate center() const;
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bool contains(const GeoCoordinate &v) const;
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/**
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* @brief Checks whether other is fully contained in this. If false
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* is returned then both boxes can still intersect.
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* @param other The boundingbox that is being checked to be contained
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* in this.
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* @return true if other is contained in this, false otherwise
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*/
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bool contains(const GeoBoundingBox &other) const;
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/**
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* @brief Categorizes the relation of this and other. This basically
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* returns whether the boxes are disjunct, contain each other
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* or just intersect.
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* @param other The other box to test
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* @return A Relation enumeration value
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*/
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Relation relation(const GeoBoundingBox &other) const;
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/**
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* @brief Extends this boundingbox to contain also the other.
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* @param other The boundingbox to be merged with this
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*/
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void merge(const GeoBoundingBox &other);
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/**
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* @brief intersects
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* @param other The boundingbox to check against
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* @return true if this and other intersect, false otherwise
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*/
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bool intersects(const GeoBoundingBox &other) const;
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void fromPolygon(size_t n, const GeoCoordinate *coords,
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bool isClosed = true);
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public:
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union {
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ValueType north;
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ValueType latMax;
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};
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union {
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ValueType south;
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ValueType latMin;
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};
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union {
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ValueType east;
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ValueType lonMax;
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};
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union {
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ValueType west;
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ValueType lonMin;
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};
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static GeoBoundingBox Empty;
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};
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#include <seiscomp/geo/boundingbox.ipp>
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std::ostream &operator<<(std::ostream &os, const GeoBoundingBox &box);
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template <>
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std::ostream &operator<<(std::ostream &os, const OStreamFormat<GeoBoundingBox> &);
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}
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}
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#endif
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