PlottingPositionHelper.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
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#include <PlottingPositionHelper.hxx>
#include <CommonConverters.hxx>
#include <Linear3DTransformation.hxx>
#include <VPolarTransformation.hxx>
#include <ShapeFactory.hxx>
#include <PropertyMapper.hxx>
#include <defines.hxx>
 
#include <com/sun/star/chart/TimeUnit.hpp>
#include <com/sun/star/chart2/AxisType.hpp>
#include <com/sun/star/drawing/Position3D.hpp>
 
#include <rtl/math.hxx>
 
namespace chart
{
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
 
XTransformation2::~XTransformation2() {}
 
PlottingPositionHelper::PlottingPositionHelper()
        : m_bSwapXAndY( false )
        , m_nXResolution( 1000 )
        , m_nYResolution( 1000 )
        , m_nZResolution( 1000 )
        , m_bMaySkipPointsInRegressionCalculation( true )
        , m_bDateAxis(false)
        , m_nTimeResolution( css::chart::TimeUnit::DAY )
        , m_aNullDate(30,12,1899)
        , m_fScaledCategoryWidth(1.0)
        , m_bAllowShiftXAxisPos(false)
        , m_bAllowShiftZAxisPos(false)
{
}
PlottingPositionHelper::PlottingPositionHelper( const PlottingPositionHelper& rSource )
        : m_aScales( rSource.m_aScales )
        , m_aMatrixScreenToScene( rSource.m_aMatrixScreenToScene )
        // m_xTransformationLogicToScene( nullptr ) //should be recalculated
        , m_bSwapXAndY( rSource.m_bSwapXAndY )
        , m_nXResolution( rSource.m_nXResolution )
        , m_nYResolution( rSource.m_nYResolution )
        , m_nZResolution( rSource.m_nZResolution )
        , m_bMaySkipPointsInRegressionCalculation( rSource.m_bMaySkipPointsInRegressionCalculation )
        , m_bDateAxis( rSource.m_bDateAxis )
        , m_nTimeResolution( rSource.m_nTimeResolution )
        , m_aNullDate( rSource.m_aNullDate )
        , m_fScaledCategoryWidth( rSource.m_fScaledCategoryWidth )
        , m_bAllowShiftXAxisPos( rSource.m_bAllowShiftXAxisPos )
        , m_bAllowShiftZAxisPos( rSource.m_bAllowShiftZAxisPos )
{
}
 
PlottingPositionHelper::~PlottingPositionHelper()
{
 
}
 
std::unique_ptr<PlottingPositionHelper> PlottingPositionHelper::clone() const
{
    return std::make_unique<PlottingPositionHelper>(*this);
}
 
std::unique_ptr<PlottingPositionHelper> PlottingPositionHelper::createSecondaryPosHelper( const ExplicitScaleData& rSecondaryScale )
{
    auto pRet = clone();
    pRet->m_aScales[1]=rSecondaryScale;
    return pRet;
}
 
void PlottingPositionHelper::setTransformationSceneToScreen( const drawing::HomogenMatrix& rMatrix)
{
    m_aMatrixScreenToScene = HomogenMatrixToB3DHomMatrix(rMatrix);
    m_xTransformationLogicToScene = nullptr;
}
 
void PlottingPositionHelper::setScales( std::vector< ExplicitScaleData >&& rScales, bool bSwapXAndYAxis )
{
    m_aScales = std::move(rScales);
    m_bSwapXAndY = bSwapXAndYAxis;
    m_xTransformationLogicToScene = nullptr;
}
 
::chart::XTransformation2* PlottingPositionHelper::getTransformationScaledLogicToScene() const
{
    //this is a standard transformation for a cartesian coordinate system
 
    //transformation from 2) to 4) //@todo 2) and 4) need an ink to a document
 
    //we need to apply this transformation to each geometric object because of a bug/problem
    //of the old drawing layer (the UNO_NAME_3D_EXTRUDE_DEPTH is an integer value instead of a double )
    if(!m_xTransformationLogicToScene)
    {
        ::basegfx::B3DHomMatrix aMatrix;
        double MinX = getLogicMinX();
        double MinY = getLogicMinY();
        double MinZ = getLogicMinZ();
        double MaxX = getLogicMaxX();
        double MaxY = getLogicMaxY();
        double MaxZ = getLogicMaxZ();
 
        AxisOrientation nXAxisOrientation = m_aScales[0].Orientation;
        AxisOrientation nYAxisOrientation = m_aScales[1].Orientation;
        AxisOrientation nZAxisOrientation = m_aScales[2].Orientation;
 
        //apply scaling
        doUnshiftedLogicScaling( &MinX, &MinY, &MinZ );
        doUnshiftedLogicScaling( &MaxX, &MaxY, &MaxZ);
 
        if(m_bSwapXAndY)
        {
            std::swap(MinX,MinY);
            std::swap(MaxX,MaxY);
            std::swap(nXAxisOrientation,nYAxisOrientation);
        }
 
        double fWidthX = MaxX - MinX;
        double fWidthY = MaxY - MinY;
        double fWidthZ = MaxZ - MinZ;
 
        double fScaleDirectionX = nXAxisOrientation==AxisOrientation_MATHEMATICAL ? 1.0 : -1.0;
        double fScaleDirectionY = nYAxisOrientation==AxisOrientation_MATHEMATICAL ? 1.0 : -1.0;
        double fScaleDirectionZ = nZAxisOrientation==AxisOrientation_MATHEMATICAL ? -1.0 : 1.0;
 
        double fScaleX = fScaleDirectionX*FIXED_SIZE_FOR_3D_CHART_VOLUME/fWidthX;
        double fScaleY = fScaleDirectionY*FIXED_SIZE_FOR_3D_CHART_VOLUME/fWidthY;
        double fScaleZ = fScaleDirectionZ*FIXED_SIZE_FOR_3D_CHART_VOLUME/fWidthZ;
 
        aMatrix.scale(fScaleX, fScaleY, fScaleZ);
 
        if( nXAxisOrientation==AxisOrientation_MATHEMATICAL )
            aMatrix.translate(-MinX*fScaleX, 0.0, 0.0);
        else
            aMatrix.translate(-MaxX*fScaleX, 0.0, 0.0);
        if( nYAxisOrientation==AxisOrientation_MATHEMATICAL )
            aMatrix.translate(0.0, -MinY*fScaleY, 0.0);
        else
            aMatrix.translate(0.0, -MaxY*fScaleY, 0.0);
        if( nZAxisOrientation==AxisOrientation_MATHEMATICAL )
            aMatrix.translate(0.0, 0.0, -MaxZ*fScaleZ);//z direction in draw is reverse mathematical direction
        else
            aMatrix.translate(0.0, 0.0, -MinZ*fScaleZ);
 
        aMatrix = m_aMatrixScreenToScene*aMatrix;
 
        m_xTransformationLogicToScene.reset(new Linear3DTransformation(B3DHomMatrixToHomogenMatrix( aMatrix ), m_bSwapXAndY));
    }
    return m_xTransformationLogicToScene.get();
}
 
drawing::Position3D PlottingPositionHelper::transformLogicToScene(
    double fX, double fY, double fZ, bool bClip ) const
{
    doLogicScaling( &fX,&fY,&fZ );
    if(bClip)
        clipScaledLogicValues( &fX,&fY,&fZ );
 
    return transformScaledLogicToScene( fX, fY, fZ, false );
}
 
drawing::Position3D PlottingPositionHelper::transformScaledLogicToScene(
    double fX, double fY, double fZ, bool bClip  ) const
{
    if( bClip )
        clipScaledLogicValues( &fX,&fY,&fZ );
 
    drawing::Position3D aPos( fX, fY, fZ);
 
    ::chart::XTransformation2* pTransformation =
        getTransformationScaledLogicToScene();
    return pTransformation->transform( aPos );
}
 
awt::Point PlottingPositionHelper::transformSceneToScreenPosition( const drawing::Position3D& rScenePosition3D
                , const rtl::Reference<SvxShapeGroupAnyD>& xSceneTarget
                , sal_Int32 nDimensionCount )
{
    //@todo would like to have a cheaper method to do this transformation
    awt::Point aScreenPoint( static_cast<sal_Int32>(rScenePosition3D.PositionX), static_cast<sal_Int32>(rScenePosition3D.PositionY) );
 
    //transformation from scene to screen (only necessary for 3D):
    if(nDimensionCount==3)
    {
        //create 3D anchor shape
        tPropertyNameMap aDummyPropertyNameMap;
        rtl::Reference<Svx3DExtrudeObject> xShape3DAnchor = ShapeFactory::createCube( xSceneTarget
                , rScenePosition3D,drawing::Direction3D(1,1,1)
                , 0, nullptr, aDummyPropertyNameMap);
        //get 2D position from xShape3DAnchor
        aScreenPoint = xShape3DAnchor->getPosition();
        xSceneTarget->remove(xShape3DAnchor);
    }
    return aScreenPoint;
}
 
void PlottingPositionHelper::transformScaledLogicToScene( drawing::PolyPolygonShape3D& rPolygon ) const
{
    drawing::Position3D aScenePosition;
    auto SequenceXRange = asNonConstRange(rPolygon.SequenceX);
    auto SequenceYRange = asNonConstRange(rPolygon.SequenceY);
    auto SequenceZRange = asNonConstRange(rPolygon.SequenceZ);
    for( sal_Int32 nS = rPolygon.SequenceX.getLength(); nS--;)
    {
        auto xValuesRange = asNonConstRange(SequenceXRange[nS]);
        auto yValuesRange = asNonConstRange(SequenceYRange[nS]);
        auto zValuesRange = asNonConstRange(SequenceZRange[nS]);
        for( sal_Int32 nP = SequenceXRange[nS].getLength(); nP--; )
        {
            double& fX = xValuesRange[nP];
            double& fY = yValuesRange[nP];
            double& fZ = zValuesRange[nP];
            aScenePosition = transformScaledLogicToScene( fX,fY,fZ,true );
            fX = aScenePosition.PositionX;
            fY = aScenePosition.PositionY;
            fZ = aScenePosition.PositionZ;
        }
    }
}
 
void PlottingPositionHelper::transformScaledLogicToScene( std::vector<std::vector<css::drawing::Position3D>>& rPolygon ) const
{
    drawing::Position3D aScenePosition;
    for( sal_Int32 nS = static_cast<sal_Int32>(rPolygon.size()); nS--;)
    {
        auto valuesRange = rPolygon[nS].data();
        for( sal_Int32 nP = rPolygon[nS].size(); nP--; )
        {
            double& fX = valuesRange[nP].PositionX;
            double& fY = valuesRange[nP].PositionY;
            double& fZ = valuesRange[nP].PositionZ;
            aScenePosition = transformScaledLogicToScene( fX,fY,fZ,true );
            fX = aScenePosition.PositionX;
            fY = aScenePosition.PositionY;
            fZ = aScenePosition.PositionZ;
        }
    }
}
 
void PlottingPositionHelper::clipScaledLogicValues( double* pX, double* pY, double* pZ ) const
{
    //get logic clip values:
    double MinX = getLogicMinX();
    double MinY = getLogicMinY();
    double MinZ = getLogicMinZ();
    double MaxX = getLogicMaxX();
    double MaxY = getLogicMaxY();
    double MaxZ = getLogicMaxZ();
 
    //apply scaling
    doUnshiftedLogicScaling( &MinX, &MinY, &MinZ );
    doUnshiftedLogicScaling( &MaxX, &MaxY, &MaxZ);
 
    if(pX)
    {
        if( *pX < MinX )
            *pX = MinX;
        else if( *pX > MaxX )
            *pX = MaxX;
    }
    if(pY)
    {
        if( *pY < MinY )
            *pY = MinY;
        else if( *pY > MaxY )
            *pY = MaxY;
    }
    if(pZ)
    {
        if( *pZ < MinZ )
            *pZ = MinZ;
        else if( *pZ > MaxZ )
            *pZ = MaxZ;
    }
}
 
basegfx::B2DRectangle PlottingPositionHelper::getScaledLogicClipDoubleRect() const
{
    //get logic clip values:
    double MinX = getLogicMinX();
    double MinY = getLogicMinY();
    double MinZ = getLogicMinZ();
    double MaxX = getLogicMaxX();
    double MaxY = getLogicMaxY();
    double MaxZ = getLogicMaxZ();
 
    //apply scaling
    doUnshiftedLogicScaling( &MinX, &MinY, &MinZ );
    doUnshiftedLogicScaling( &MaxX, &MaxY, &MaxZ);
 
    basegfx::B2DRectangle aRet( MinX, MaxY, MaxX, MinY );
    return aRet;
}
 
drawing::Direction3D PlottingPositionHelper::getScaledLogicWidth() const
{
    drawing::Direction3D aRet;
 
    double MinX = getLogicMinX();
    double MinY = getLogicMinY();
    double MinZ = getLogicMinZ();
    double MaxX = getLogicMaxX();
    double MaxY = getLogicMaxY();
    double MaxZ = getLogicMaxZ();
 
    doLogicScaling( &MinX, &MinY, &MinZ );
    doLogicScaling( &MaxX, &MaxY, &MaxZ);
 
    aRet.DirectionX = MaxX - MinX;
    aRet.DirectionY = MaxY - MinY;
    aRet.DirectionZ = MaxZ - MinZ;
    return aRet;
}
 
PolarPlottingPositionHelper::PolarPlottingPositionHelper()
    : m_fRadiusOffset(0.0)
    , m_fAngleDegreeOffset(90.0)
{
    m_bMaySkipPointsInRegressionCalculation = false;
}
 
PolarPlottingPositionHelper::PolarPlottingPositionHelper( const PolarPlottingPositionHelper& rSource )
    : PlottingPositionHelper(rSource)
    , m_fRadiusOffset( rSource.m_fRadiusOffset )
    , m_fAngleDegreeOffset( rSource.m_fAngleDegreeOffset )
    , m_aUnitCartesianToScene( rSource.m_aUnitCartesianToScene )
{
}
 
PolarPlottingPositionHelper::~PolarPlottingPositionHelper()
{
}
 
std::unique_ptr<PlottingPositionHelper> PolarPlottingPositionHelper::clone() const
{
    return std::make_unique<PolarPlottingPositionHelper>(*this);
}
 
void PolarPlottingPositionHelper::setTransformationSceneToScreen( const drawing::HomogenMatrix& rMatrix)
{
    PlottingPositionHelper::setTransformationSceneToScreen( rMatrix);
    m_aUnitCartesianToScene =impl_calculateMatrixUnitCartesianToScene( m_aMatrixScreenToScene );
}
void PolarPlottingPositionHelper::setScales( std::vector< ExplicitScaleData >&& rScales, bool bSwapXAndYAxis )
{
    PlottingPositionHelper::setScales( std::move(rScales), bSwapXAndYAxis );
    m_aUnitCartesianToScene =impl_calculateMatrixUnitCartesianToScene( m_aMatrixScreenToScene );
}
 
::basegfx::B3DHomMatrix PolarPlottingPositionHelper::impl_calculateMatrixUnitCartesianToScene( const ::basegfx::B3DHomMatrix& rMatrixScreenToScene ) const
{
    ::basegfx::B3DHomMatrix aRet;
 
    if( m_aScales.empty() )
        return aRet;
 
    double fTranslate =1.0;
    double fScale     =FIXED_SIZE_FOR_3D_CHART_VOLUME/2.0;
 
    double fTranslateLogicZ;
    double fScaleLogicZ;
    {
        double fScaleDirectionZ = m_aScales[2].Orientation==AxisOrientation_MATHEMATICAL ? 1.0 : -1.0;
        double MinZ = getLogicMinZ();
        double MaxZ = getLogicMaxZ();
        doLogicScaling( nullptr, nullptr, &MinZ );
        doLogicScaling( nullptr, nullptr, &MaxZ );
        double fWidthZ = MaxZ - MinZ;
 
        if( m_aScales[2].Orientation==AxisOrientation_MATHEMATICAL )
            fTranslateLogicZ=MinZ;
        else
            fTranslateLogicZ=MaxZ;
        fScaleLogicZ = fScaleDirectionZ*FIXED_SIZE_FOR_3D_CHART_VOLUME/fWidthZ;
    }
 
    double fTranslateX = fTranslate;
    double fTranslateY = fTranslate;
    double fTranslateZ = fTranslateLogicZ;
 
    double fScaleX = fScale;
    double fScaleY = fScale;
    double fScaleZ = fScaleLogicZ;
 
    aRet.translate(fTranslateX, fTranslateY, fTranslateZ);//x first
    aRet.scale(fScaleX, fScaleY, fScaleZ);//x first
 
    aRet = rMatrixScreenToScene * aRet;
    return aRet;
}
 
::chart::XTransformation2* PolarPlottingPositionHelper::getTransformationScaledLogicToScene() const
{
    if( !m_xTransformationLogicToScene )
        m_xTransformationLogicToScene.reset(new VPolarTransformation(*this));
    return m_xTransformationLogicToScene.get();
}
 
double PolarPlottingPositionHelper::getWidthAngleDegree( double& fStartLogicValueOnAngleAxis, double& fEndLogicValueOnAngleAxis ) const
{
    const ExplicitScaleData& rAngleScale = m_bSwapXAndY ? m_aScales[1] : m_aScales[0];
    if( rAngleScale.Orientation != AxisOrientation_MATHEMATICAL )
        std::swap( fStartLogicValueOnAngleAxis, fEndLogicValueOnAngleAxis );
 
    double fStartAngleDegree = transformToAngleDegree( fStartLogicValueOnAngleAxis );
    double fEndAngleDegree   = transformToAngleDegree( fEndLogicValueOnAngleAxis );
    double fWidthAngleDegree = fEndAngleDegree - fStartAngleDegree;
 
    if( ::rtl::math::approxEqual( fStartAngleDegree, fEndAngleDegree )
        && !::rtl::math::approxEqual( fStartLogicValueOnAngleAxis, fEndLogicValueOnAngleAxis ) )
        fWidthAngleDegree = 360.0;
 
    // tdf#123504: both 0 and 360 are valid and different values here!
    while (fWidthAngleDegree < 0.0)
        fWidthAngleDegree += 360.0;
    while (fWidthAngleDegree > 360.0)
        fWidthAngleDegree -= 360.0;
 
    return fWidthAngleDegree;
}
 
//This method does a lot of computation for understanding which scale to
//utilize and if reverse orientation should be used. Indeed, for a pie or donut,
//the final result is as simple as multiplying by 360 and adding
//`m_fAngleDegreeOffset`.
double PolarPlottingPositionHelper::transformToAngleDegree( double fLogicValueOnAngleAxis, bool bDoScaling ) const
{
    double fRet=0.0;
 
    double fAxisAngleScaleDirection = 1.0;
    {
        const ExplicitScaleData& rScale = m_bSwapXAndY ? m_aScales[1] : m_aScales[0];
        if(rScale.Orientation != AxisOrientation_MATHEMATICAL)
            fAxisAngleScaleDirection *= -1.0;
    }
 
    double MinAngleValue = 0.0;
    double MaxAngleValue = 0.0;
    {
        double MinX = getLogicMinX();
        double MinY = getLogicMinY();
        double MaxX = getLogicMaxX();
        double MaxY = getLogicMaxY();
        double MinZ = getLogicMinZ();
        double MaxZ = getLogicMaxZ();
 
        doLogicScaling( &MinX, &MinY, &MinZ );
        doLogicScaling( &MaxX, &MaxY, &MaxZ);
 
        MinAngleValue = m_bSwapXAndY ? MinY : MinX;
        MaxAngleValue = m_bSwapXAndY ? MaxY : MaxX;
    }
 
    double fScaledLogicAngleValue = 0.0;
    if(bDoScaling)
    {
        double fX = m_bSwapXAndY ? getLogicMaxX() : fLogicValueOnAngleAxis;
        double fY = m_bSwapXAndY ? fLogicValueOnAngleAxis : getLogicMaxY();
        double fZ = getLogicMaxZ();
        clipLogicValues( &fX, &fY, &fZ );
        doLogicScaling( &fX, &fY, &fZ );
        fScaledLogicAngleValue = m_bSwapXAndY ? fY : fX;
    }
    else
        fScaledLogicAngleValue = fLogicValueOnAngleAxis;
 
    fRet = m_fAngleDegreeOffset
                  + fAxisAngleScaleDirection*(fScaledLogicAngleValue-MinAngleValue)*360.0
                    /fabs(MaxAngleValue-MinAngleValue);
    // tdf#123504: both 0 and 360 are valid and different values here!
    while (fRet > 360.0)
        fRet -= 360.0;
    while (fRet < 0)
        fRet += 360.0;
    return fRet;
}
 
double PolarPlottingPositionHelper::transformToRadius( double fLogicValueOnRadiusAxis, bool bDoScaling ) const
{
    double fNormalRadius = 0.0;
    {
        double fScaledLogicRadiusValue = 0.0;
        double fX = m_bSwapXAndY ? fLogicValueOnRadiusAxis: getLogicMaxX();
        double fY = m_bSwapXAndY ? getLogicMaxY() : fLogicValueOnRadiusAxis;
        if(bDoScaling)
            doLogicScaling( &fX, &fY, nullptr );
 
        fScaledLogicRadiusValue = m_bSwapXAndY ? fX : fY;
 
        bool bMinIsInnerRadius = true;
        const ExplicitScaleData& rScale = m_bSwapXAndY ? m_aScales[0] : m_aScales[1];
        if(rScale.Orientation != AxisOrientation_MATHEMATICAL)
            bMinIsInnerRadius = false;
 
        double fInnerScaledLogicRadius=0.0;
        double fOuterScaledLogicRadius=0.0;
        {
            double MinX = getLogicMinX();
            double MinY = getLogicMinY();
            doLogicScaling( &MinX, &MinY, nullptr );
            double MaxX = getLogicMaxX();
            double MaxY = getLogicMaxY();
            doLogicScaling( &MaxX, &MaxY, nullptr );
 
            double fMin = m_bSwapXAndY ? MinX : MinY;
            double fMax = m_bSwapXAndY ? MaxX : MaxY;
 
            fInnerScaledLogicRadius = bMinIsInnerRadius ? fMin : fMax;
            fOuterScaledLogicRadius = bMinIsInnerRadius ? fMax : fMin;
        }
 
        if( bMinIsInnerRadius )
            fInnerScaledLogicRadius -= fabs(m_fRadiusOffset);
        else
            fInnerScaledLogicRadius += fabs(m_fRadiusOffset);
        fNormalRadius = (fScaledLogicRadiusValue-fInnerScaledLogicRadius)/(fOuterScaledLogicRadius-fInnerScaledLogicRadius);
    }
    return fNormalRadius;
}
 
drawing::Position3D PolarPlottingPositionHelper::transformLogicToScene( double fX, double fY, double fZ, bool bClip ) const
{
    if(bClip)
        clipLogicValues( &fX,&fY,&fZ );
    double fLogicValueOnAngleAxis  = m_bSwapXAndY ? fY : fX;
    double fLogicValueOnRadiusAxis = m_bSwapXAndY ? fX : fY;
    return transformAngleRadiusToScene( fLogicValueOnAngleAxis, fLogicValueOnRadiusAxis, fZ );
}
 
drawing::Position3D PolarPlottingPositionHelper::transformScaledLogicToScene( double fX, double fY, double fZ, bool bClip ) const
{
    if(bClip)
        clipScaledLogicValues( &fX,&fY,&fZ );
    double fLogicValueOnAngleAxis  = m_bSwapXAndY ? fY : fX;
    double fLogicValueOnRadiusAxis = m_bSwapXAndY ? fX : fY;
    return transformAngleRadiusToScene( fLogicValueOnAngleAxis, fLogicValueOnRadiusAxis, fZ, false );
}
drawing::Position3D PolarPlottingPositionHelper::transformUnitCircleToScene( double fUnitAngleDegree, double fUnitRadius
                                                                            , double fLogicZ ) const
{
    double fAnglePi = basegfx::deg2rad(fUnitAngleDegree);
 
    double fX=fUnitRadius*std::cos(fAnglePi);
    double fY=fUnitRadius*std::sin(fAnglePi);
    double fZ=fLogicZ;
 
    ::basegfx::B3DPoint aPoint(fX,fY,fZ);
    ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint;
    return B3DPointToPosition3D(aRet);
}
 
drawing::Position3D PolarPlottingPositionHelper::transformAngleRadiusToScene( double fLogicValueOnAngleAxis, double fLogicValueOnRadiusAxis, double fLogicZ, bool bDoScaling ) const
{
    double fUnitAngleDegree = transformToAngleDegree(fLogicValueOnAngleAxis,bDoScaling);
    double fUnitRadius      = transformToRadius(fLogicValueOnRadiusAxis,bDoScaling);
 
    return transformUnitCircleToScene( fUnitAngleDegree, fUnitRadius, fLogicZ );
}
 
double PolarPlottingPositionHelper::getOuterLogicRadius() const
{
    const ExplicitScaleData& rScale = m_bSwapXAndY ? m_aScales[0] : m_aScales[1];
    if( rScale.Orientation==AxisOrientation_MATHEMATICAL )
        return rScale.Maximum;
    else
        return rScale.Minimum;
}
 
bool PlottingPositionHelper::isPercentY() const
{
    return m_aScales[1].AxisType==AxisType::PERCENT;
}
 
double PlottingPositionHelper::getBaseValueY() const
{
    return m_aScales[1].Origin;
}
 
void PlottingPositionHelper::setTimeResolution( tools::Long nTimeResolution, const Date& rNullDate )
{
    m_nTimeResolution = nTimeResolution;
    m_aNullDate = rNullDate;
 
    //adapt category width
    double fCategoryWidth = 1.0;
    if( !m_aScales.empty() )
    {
        if( m_aScales[0].AxisType == css::chart2::AxisType::DATE )
        {
            m_bDateAxis = true;
            if( nTimeResolution == css::chart::TimeUnit::YEAR )
            {
                const double fMonthCount = 12.0;//todo: this depends on the DateScaling and must be adjusted in case we use more generic calendars in future
                fCategoryWidth = fMonthCount;
            }
        }
    }
    setScaledCategoryWidth(fCategoryWidth);
}
 
void PlottingPositionHelper::setScaledCategoryWidth( double fScaledCategoryWidth )
{
    m_fScaledCategoryWidth = fScaledCategoryWidth;
}
void PlottingPositionHelper::AllowShiftXAxisPos( bool bAllowShift )
{
    m_bAllowShiftXAxisPos = bAllowShift;
}
void PlottingPositionHelper::AllowShiftZAxisPos( bool bAllowShift )
{
    m_bAllowShiftZAxisPos = bAllowShift;
}
 
}
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */