131 lines
3.5 KiB
C++
Executable File
131 lines
3.5 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* Helper functions related to CoordinateTranslation
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* $Id$
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* $HeadURL$
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* $Author$
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*/
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#pragma once
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// Own
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#include "situation_map_export.h"
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#include <Map/point3D.h>
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// Qt
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#include <QPointF>
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#include <QPolygonF>
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// ESRI
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//----------------------------------------------------------------------------
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namespace SituationMap
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{
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namespace MathUtils
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{
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/**
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@brief Rotate a 2 dimensional point
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@param p point to rotate
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@param center center point of rotation
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@param sinA sinus of rotation angle
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@param cosA cosinus of rotation angle
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*/
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QPointF SITUATIONMAP_EXPORT rotate(const QPointF &p, const QPointF ¢er, qreal sinA, qreal cosA);
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/**
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@brief Rotate a 2 dimensional point
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@param p point to rotate
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@param center center point of rotation
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@param phi rotation angle in rad
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*/
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QPointF SITUATIONMAP_EXPORT rotate(const QPointF &p, const QPointF ¢er, qreal phi);
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/**
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* @brief Get math angle in radiant from orientation vector
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* @param oVec orientation vector, must be normalized to length 1
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* @return mathematical angle in rad
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*/
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qreal SITUATIONMAP_EXPORT getMathAngle(const QPointF &oVec);
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/**
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* @brief Get math angle in radiant from sinus and cosinus
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* @param sinPhi sinus of angle, is equal to y component of orientation vector
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* @param cosPhi cosinus of angle, is equal to x component of orientation vector
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* @return mathematical angle in rad
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*/
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qreal SITUATIONMAP_EXPORT getMathAngle(qreal sinPhi, qreal cosPhi);
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double SITUATIONMAP_EXPORT getAngleDegreeNorth(const QPointF &p1, const QPointF &p2);
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/**
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* @brief Get North angle from Math angle
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* @param mathematical orientated angle in degree
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* @return north (0° = 12h) orientated angle in degree
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*/
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qreal SITUATIONMAP_EXPORT getAngleDegree2North(qreal angleDeg);
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/**
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* @brief Get North angle from Math angle
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* @param mathematical orientated angle in degree
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* @return math (0° = 3h) orientated angle in degree
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*/
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qreal SITUATIONMAP_EXPORT getAngleDegree2Math(qreal angleDeg);
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/**
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* @brief Get the position on a given line (for positioning a text)
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* @param p1 startPoint of line
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* @param p2 endPoint of line
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* @param position_0_to_1 value from 0.0 up to 1.0.
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* 0.0 -> 0% -> startPoint
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* 0.5 -> 50% -> middle between startPoint and endPoint
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* 1.0 -> 100% -> endPoint
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* @return position between start and end.
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*/
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QPointF SITUATIONMAP_EXPORT getPointOnLine(const QPointF &p1, const QPointF &p2, double position_0_to_1);
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Point3D SITUATIONMAP_EXPORT getPointOnLine(const Point3D &p1, const Point3D &p2, double position_0_to_1);
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/**
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* @brief getCircleSectorPolygon
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* @param centerPoint [geo coordinates]
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* @param radius [m]
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* @param rotationAngleDeg (orientation of segment)
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* @param centralAngleDeg
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* @return polygon describing the circle sector
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*/
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QPolygonF SITUATIONMAP_EXPORT getCircleSectorPolygon(const QPointF ¢erPoint, qreal radius, double rotationAngleDeg, double centralAngleDeg);
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/**
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* @brief Rotate a point around with another point as center.
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* @param pToBeRotated Point to be rotated
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* @param center Center
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* @param angleDegree Angle in degree (clockwise).
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*/
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void SITUATIONMAP_EXPORT rotatePoint(QPointF &pToBeRotated,
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const QPointF ¢er,
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double angleDegree);
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QList<QPointF> SITUATIONMAP_EXPORT mineFieldCenterLineToOutline(const QList<QPointF> ¢erLine,
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double width);
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} // namespace MathUtils
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} // namespace SituationMap
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