CColorScaleSimple Class Reference

#include <CColorScale.h>

Inheritance diagram for CColorScaleSimple:

Collaboration diagram for CColorScaleSimple:

Public Member Functions
	CColorScaleSimple ()
virtual void	finishAutomaticParameterCalculation ()
virtual QColor	getColor (const C_FLOAT64 &number)
virtual void	passValue (const C_FLOAT64 &number)
void	setLog (bool l)
void	setMinMax (const C_FLOAT64 &min, const C_FLOAT64 &max)
void	setSymmetric (bool s)
virtual void	startAutomaticParameterCalculation ()
Public Member Functions inherited from CColorScale
	CColorScale ()
bool	isUsed () const
void	setIsUsed (bool f)
virtual	~CColorScale ()

Protected Attributes
bool	mLog
C_FLOAT64	mMax
C_FLOAT64	mMin
bool	mSym

Detailed Description

This maps a range of numbers to a range of colors. Automatic scaling looks for minimum and maximum of the provided numbers

Definition at line 100 of file CColorScale.h.

Constructor & Destructor Documentation

CColorScaleSimple::CColorScaleSimple

(

)

Definition at line 44 of file CColorScale.cpp.

    : mMin(0.0),
    mMax(1.0),
    mLog(false),
    mSym(false)
{}

Member Function Documentation

void CColorScaleSimple::finishAutomaticParameterCalculation ( )

virtual

this finishes the calculation of the scaling parameters.

Reimplemented from CColorScale.

Reimplemented in CColorScaleAverage.

Definition at line 103 of file CColorScale.cpp.

References C_FLOAT64, mMax, mMin, and mSym.

{
  if (mSym)
    {
      C_FLOAT64 tmp;

      if (fabs(mMax) > fabs(mMin))
        tmp = fabs(mMax);
      else
        tmp = fabs(mMin);

      mMin = - tmp;
      mMax = tmp;
    }

  if (mMin == mMax)
    {
      mMin -= 1e-5;
      mMax += 1e-5;
    }
}

QColor CColorScaleSimple::getColor ( const C_FLOAT64 &  number )

virtual

this method maps a number to a color.

Implements CColorScale.

Reimplemented in CColorScaleAdvanced.

Definition at line 52 of file CColorScale.cpp.

References C_FLOAT64, mMax, and mMin.

{
  C_FLOAT64 tmp = (number - mMin) / (mMax - mMin); //scale to 0..1

  if (tmp > 1) tmp = 1;

  if (tmp < 0) tmp = 0;

  int r = 0;
  int g = 0;
  int b = 0;

  if (tmp != tmp)
    {
      r = 85;
      g = 85;
      b = 135;
    }
  else if (tmp < 0.5)
    {
      r = 255;
      g = (int)(255 + (tmp - 0.5) * 260);
      b = (int)(255 + (tmp - 0.5) * 260);
    }
  else
    {
      r = (int)(255 - (tmp - 0.5) * 260);
      g = 255;
      b = (int)(255 - (tmp - 0.5) * 260);
    }

  QColor color(r, g, b);
  return color;
}

void CColorScaleSimple::passValue ( const C_FLOAT64 &  )

virtual

with this method numbers are passed to the automatic scaling algorithm.

Reimplemented from CColorScale.

Reimplemented in CColorScaleAverage.

Definition at line 95 of file CColorScale.cpp.

References mMax, and mMin.

{
  if (number > mMax) mMax = number;

  if (number < mMin) mMin = number;
}

void CColorScaleSimple::setLog ( bool  l )

inline

Log scaling is not yet implemented

Definition at line 114 of file CColorScale.h.

References mLog.

{mLog = l;}    ; //log not implemented yet!

void CColorScaleSimple::setMinMax ( const C_FLOAT64 &  min, const C_FLOAT64 &  max  )

inline

Set minimum and maximum of number range

Definition at line 108 of file CColorScale.h.

References max, min, mMax, and mMin.

Referenced by CQMathMatrixWidget::CQMathMatrixWidget().

  {mMin = min; mMax = max;};

void CColorScaleSimple::setSymmetric ( bool  s )

inline

If this is true, the number range (if automatically determined) is centered around 0.0.

Definition at line 120 of file CColorScale.h.

References mSym.

Referenced by CQTSSAResultSubWidget::slotTableChanged().

{mSym = s;};

void CColorScaleSimple::startAutomaticParameterCalculation ( )

virtual

this method starts the calculation of the scaling parameters.

Reimplemented from CColorScale.

Reimplemented in CColorScaleAverage.

Definition at line 88 of file CColorScale.cpp.

References max, mMax, and mMin.

{
  mMin = std::numeric_limits< C_FLOAT64 >::max();
  mMax = -std::numeric_limits< C_FLOAT64 >::max();
}

Member Data Documentation

bool CColorScaleSimple::mLog

protected

Definition at line 131 of file CColorScale.h.

Referenced by setLog().

C_FLOAT64 CColorScaleSimple::mMax

protected

Definition at line 130 of file CColorScale.h.

Referenced by finishAutomaticParameterCalculation(), CColorScaleAverage::finishAutomaticParameterCalculation(), getColor(), CColorScaleAdvanced::getColor(), passValue(), setMinMax(), and startAutomaticParameterCalculation().

C_FLOAT64 CColorScaleSimple::mMin

protected

Definition at line 129 of file CColorScale.h.

Referenced by finishAutomaticParameterCalculation(), CColorScaleAverage::finishAutomaticParameterCalculation(), getColor(), CColorScaleAdvanced::getColor(), passValue(), setMinMax(), and startAutomaticParameterCalculation().

bool CColorScaleSimple::mSym

protected

Definition at line 132 of file CColorScale.h.

Referenced by finishAutomaticParameterCalculation(), and setSymmetric().

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The documentation for this class was generated from the following files:

• CColorScale.h
• CColorScale.cpp