TernaryConstants.cpp

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** Copyright (C) 2001-2020 Klaralvdalens Datakonsult AB.  All rights reserved.
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** This file is part of the KD Chart library.
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** accordance with the KD Chart Commercial License Agreement provided with
** the Software.
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#include "TernaryConstants.h"

#include <cmath>

using namespace std;

using namespace std;

extern const qreal Sqrt3 = sqrt( 3.0 );
extern const qreal TriangleWidth = 1.0;
extern const qreal TriangleHeight = 0.5 * Sqrt3;
extern const QPointF TriangleTop( 0.5, TriangleHeight );
extern const QPointF TriangleBottomLeft( 0.0, 0.0 );
extern const QPointF TriangleBottomRight( 1.0, 0.0 );
extern const QPointF AxisVector_C_A( TriangleTop - TriangleBottomRight );
extern const QPointF Norm_C_A( -AxisVector_C_A.y(), AxisVector_C_A.x() );
extern const QPointF AxisVector_B_A( TriangleTop );
extern const QPointF Norm_B_A( -AxisVector_B_A.y(), AxisVector_B_A.x() );
extern const QPointF AxisVector_B_C( TriangleBottomRight );
extern const QPointF Norm_B_C( -AxisVector_B_C.y(), AxisVector_B_C.x() );

extern const qreal RelMarkerLength = 0.03 * TriangleWidth;
extern const QPointF FullMarkerDistanceBC( RelMarkerLength * Norm_B_C );
extern const QPointF FullMarkerDistanceAC( -RelMarkerLength * Norm_C_A );
extern const QPointF FullMarkerDistanceBA( RelMarkerLength * Norm_B_A );