/// <summary>
/// To find which quadrant
/// </summary>
/// <param name="colorToShow"></param>
/// <returns></returns>
public static ColorRegion ToFindColorRegion(Color colorToShow)
{
ColorRegion ColorValues = new ColorRegion();
// to find if its within nuteral region
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
double CylinderRadius = 23; //3 JND
double NuetralL = Convert.ToInt32(colorToShow.LA);
// nuetral color near the input color
Color NuetralValue = new Color();
NuetralValue.LA = NuetralL;
NuetralValue.A = 0;
NuetralValue.B = 0;
double Distacne = ColorDistanceCalAB(colorToShow, NuetralValue);
//NetralValueFlag=0 for for inside the nuetral region and 1 for other wise
if (Distacne <= CylinderRadius)
{
ColorValues.NetralValueFlag = 0;
}
else if (Distacne <= 40)
{
ColorValues.NetralValueFlag = 1;
}
else if (Distacne <= 60)
{
ColorValues.NetralValueFlag = 2;
}
else if (Distacne <= 80)
{
ColorValues.NetralValueFlag = 3;
}
else if (Distacne <= 100)
{
ColorValues.NetralValueFlag = 4;
}
else
{
ColorValues.NetralValueFlag = 5;
}
//else
// ColorValues.NetralValueFlag = 1;
// to find L region (High or Low)
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
//LValueFlag=0 for L Less than 50 and 1 for other wise
if (NuetralL < 50)
{
ColorValues.LValueFlag = 0;
}
else
{
ColorValues.LValueFlag = 1;
}
// to find which Quadrant color belongs to
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// to calculate the hue angle
/// <summary>
/// RegionValue=1 then RegionValue =Red-Yellow
/// RegionValue=2 then RegionValue =Yellow-Green
/// RegionValue=3 then RegionValue =Green-Cyan
/// RegionValue=4 then RegionValue =Cyan-Blue
/// RegionValue=5 then RegionValue =Blue-Magenta
/// RegionValue=6 then RegionValue =Magenta-Red
/// RegionValue=6 then RegionValue =ERROR
/// </summary>
///
RGBValue ColorVal = new RGBValue();
ColorVal = ToRBGFromLAB(colorToShow);
if (ColorVal.R >= ColorVal.G && ColorVal.G >= ColorVal.B)
{
ColorValues.RegionValue = 1;
}
else if (ColorVal.G > ColorVal.R && ColorVal.R >= ColorVal.B)
{
ColorValues.RegionValue = 2;
}
else if (ColorVal.G >= ColorVal.B && ColorVal.B > ColorVal.R)
{
ColorValues.RegionValue = 3;
}
else if (ColorVal.B > ColorVal.G && ColorVal.G > ColorVal.R)
{
ColorValues.RegionValue = 4;
}
else if (ColorVal.B > ColorVal.R && ColorVal.R >= ColorVal.G)
{
ColorValues.RegionValue = 5;
}
else if (ColorVal.R >= ColorVal.B && ColorVal.B > ColorVal.G)
{
ColorValues.RegionValue = 6;
}
//error check
else
{
ColorValues.RegionValue = 0;
}
//calculation using lab hue formula -- found not working for the Preucil circle
//double Hue = HueAngle(colorToShow);
//if (0 <= Hue && Hue < 60)
// ColorValues.QuatarentValue = 1;
//else if(60 <= Hue && Hue < 120)
// ColorValues.QuatarentValue = 2;
//else if (120 <= Hue && Hue < 180)
// ColorValues.QuatarentValue = 3;
//else if (180 <= Hue && Hue < 240)
// ColorValues.QuatarentValue = 4;
//else if (240 <= Hue && Hue < 300)
// ColorValues.QuatarentValue = 5;
//else if (300 <= Hue && Hue < 0)
// ColorValues.QuatarentValue = 6;
// //error check
//else
// ColorValues.QuatarentValue = 0;
return(ColorValues);
}
/// <summary>
/// To find which quadrant
/// </summary>
/// <param name="colorToShow"></param>
/// <returns></returns>
public static ColorRegion ToFindColorRegion(PerceptionLib.Color colorToShow)
{
ColorRegion ColorValues = new ColorRegion();
// to find if its within nuteral region
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
double CylinderRadius = 23; //3 JND
double NuetralL = Convert.ToInt32(colorToShow.LA);
// nuetral color near the input color
Color NuetralValue = new Color();
NuetralValue.LA = NuetralL;
NuetralValue.A = 0;
NuetralValue.B = 0;
double Distacne = ColorDistanceCalAB(colorToShow, NuetralValue);
if (Distacne <= CylinderRadius)
ColorValues.NetralValueFlag=0;
else
ColorValues.NetralValueFlag=1;
// to find L region (High or Low)
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
//LValueFlag=0 for L Less than 50 and 1 for other wise
if (NuetralL < 50)
ColorValues.LValueFlag = 0;
else
ColorValues.LValueFlag = 1;
// to find which Quadrant color belongs to
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// to calculate the hue angle
/// <summary>
/// RegionValue=1 then RegionValue =Red-Yellow
/// RegionValue=2 then RegionValue =Yellow-Green
/// RegionValue=3 then RegionValue =Green-Cyan
/// RegionValue=4 then RegionValue =Cyan-Blue
/// RegionValue=5 then RegionValue =Blue-Magenta
/// RegionValue=6 then RegionValue =Magenta-Red
/// RegionValue=6 then RegionValue =ERROR
/// </summary>
///
RGBValue ColorVal = new RGBValue();
ColorVal=ToRBGFromLAB(colorToShow);
if (ColorVal.R >= ColorVal.G && ColorVal.G>= ColorVal.B)
ColorValues.RegionValue = 1;
else if (ColorVal.G > ColorVal.R && ColorVal.R >= ColorVal.B)
ColorValues.RegionValue = 2;
else if (ColorVal.G >= ColorVal.B && ColorVal.B > ColorVal.R)
ColorValues.RegionValue = 3;
else if (ColorVal.B > ColorVal.G && ColorVal.G > ColorVal.R)
ColorValues.RegionValue = 4;
else if (ColorVal.B > ColorVal.R && ColorVal.R >= ColorVal.G)
ColorValues.RegionValue = 5;
else if (ColorVal.R >= ColorVal.B && ColorVal.B > ColorVal.G)
ColorValues.RegionValue = 6;
//error check
else
ColorValues.RegionValue = 0;
//calculation using lab hue formula -- found not working for the Preucil circle
//double Hue = HueAngle(colorToShow);
//if (0 <= Hue && Hue < 60)
// ColorValues.QuatarentValue = 1;
//else if(60 <= Hue && Hue < 120)
// ColorValues.QuatarentValue = 2;
//else if (120 <= Hue && Hue < 180)
// ColorValues.QuatarentValue = 3;
//else if (180 <= Hue && Hue < 240)
// ColorValues.QuatarentValue = 4;
//else if (240 <= Hue && Hue < 300)
// ColorValues.QuatarentValue = 5;
//else if (300 <= Hue && Hue < 0)
// ColorValues.QuatarentValue = 6;
// //error check
//else
// ColorValues.QuatarentValue = 0;
return ColorValues;
}
