//=========================================================================
ColorLayerImageView::ColorLayerImageView( )
{
- _z2 = 0;
- _fix_dynamic = true;
- _color_type = false;
+ _z2 = 0;
+ _fix_dynamic = true;
+ _color_type = false;
}
//=========================================================================
_z2 = z2;
}
-
-
//----------------------------------------------------------------------------
int ColorLayerImageView::GetX() // virtual
{
void ColorLayerImageView::SetBaseColors(std::vector<double> & base_color)
{
// The base color vector must be of a size multiple of 3, not null.
- if (base_color.size() != 0 && base_color.size() % 3 == 0)
- _base_color = base_color;
- // Otherwise, an exception should be thrown.
- else if (base_color.size() != 0)
- std::cout << "CM ColorLayerImageView::SetBaseColors : ERROR!!! The base color vector has an inconsistent size. It must be of a size multiple of 3, different from 0, but its size is: "<< base_color.size() << ". Therefore, the default values will be used as base colors." << std::endl;
+//EED if ((base_color.size() != 0) && (base_color.size() % 3 == 0))
+ if ( base_color.size() % 3 == 0)
+ {
+ _base_color = base_color;
+ } else if (base_color.size() != 0) // Otherwise, an exception should be thrown.
+ {
+ std::cout << "CM ColorLayerImageView::SetBaseColors : ERROR!!! The base color vector has an inconsistent size. It must be of a size multiple of 3, different from 0, but its size is: "<< base_color.size() << ". Therefore, the default values will be used as base colors." << std::endl;
+ }
+}
+
+
+//----------------------------------------------------------------------------
+void ColorLayerImageView::SetBaseTransparence(std::vector<double> & base_transparence)
+{
+ _transparence_level_boundary = base_transparence;
}
+
//----------------------------------------------------------------------------
double ColorLayerImageView::GetBaseColors(unsigned int index)
{
//----------------------------------------------------------------------------
void ColorLayerImageView::SetDefaultGreyLevelBoundary()
{
- // CM Sets the default behaviour concerning the lookup table keeping the base colors already set.
- _grey_level_boundary.clear();
- // This avoids a potential division by 0 through delta during the lookup table configuration.
- if (_range[1]==0)
- {
- _range[1]=255;
+ // CM Sets the default behaviour concerning the lookup table keeping the base colors already set.
+ _grey_level_boundary.clear();
+
+ // This avoids a potential division by 0 through delta during the lookup table configuration.
+ if (_range[1]==0)
+ {
+ _range[1]=255;
}
- // Grey level extrema are set by default to the image grey level extrema.
- int minTot = floor (_range[0]);
- int maxTot = ceil (_range[1]);
-
- _grey_level_boundary.push_back((double)minTot);
-
- // By default, the histogram is split into BaseColorNb areas of equal width.
- double delta = (maxTot - minTot)/GetBaseColorNb();
- for (int i = 1; i <= GetBaseColorNb() ; i ++)
- {
- _grey_level_boundary.push_back((double)minTot + i * delta);
- }
+ int i;
+ double delta;
+ // Grey level extrema are set by default to the image grey level extrema.
+ double minTot = _range[0];
+ double maxTot = _range[1];
+
+ if (_color_type)
+ {
+ delta = (maxTot - minTot)/GetBaseColorNb();
+ // By default, the histogram is split into BaseColorNb areas of equal width.
+ for (i = 0; i <= GetBaseColorNb() ; i ++)
+ {
+ _grey_level_boundary.push_back(minTot + i * delta);
+ } // for
+ } else {
+ delta = (maxTot - minTot)/(GetBaseColorNb()-1);
+ for (i = 0; i < GetBaseColorNb() ; i ++)
+ {
+ _grey_level_boundary.push_back(minTot + i * delta);
+ } // for
+ } // if
}
//----------------------------------------------------------------------------
void ColorLayerImageView::SetDefaultBaseColorAndGreyLevelBoundary()
{
+
// CM Sets the default behaviour concerning the lookup table.
_grey_level_boundary.clear();
_base_color.clear();
// Base colors are set to blue, yellow and red.
// Blue.
+ _base_color.push_back(0.0);
+ _base_color.push_back(0.0);
+ _base_color.push_back(0.5);
+
_base_color.push_back(0.0);
_base_color.push_back(0.0);
_base_color.push_back(1.0);
- // Yellow.
+
+ _base_color.push_back(0.0);
+ _base_color.push_back(1.0);
+ _base_color.push_back(1.0);
+
_base_color.push_back(1.0);
_base_color.push_back(1.0);
_base_color.push_back(0.0);
- // Red.
+
_base_color.push_back(1.0);
_base_color.push_back(0.0);
_base_color.push_back(0.0);
+ _base_color.push_back(0.5);
+ _base_color.push_back(0.0);
+ _base_color.push_back(0.0);
+
+
// This avoids a potential division by 0 through delta during the lookup table configuration.
if (_range[1]==0)
{
_range[1]=255;
}
- int minTot = floor (_range[0]);
- int maxTot = ceil (_range[1]);
+// double minTot = floor (_range[0]);
+// double maxTot = ceil (_range[1]);
+ double minTot = _range[0];
+ double maxTot = _range[1];
- _grey_level_boundary.push_back((double)minTot);
-
+ double delta = (maxTot - minTot)/8.0;
// By default, the histogram is split into three areas of equal width.
- double delta = (maxTot - minTot)/3.0;
- _grey_level_boundary.push_back(minTot + delta);
- _grey_level_boundary.push_back(minTot + 2*delta);
- _grey_level_boundary.push_back((double)maxTot);
+ _grey_level_boundary.push_back(minTot + delta*0);
+ _grey_level_boundary.push_back(minTot + delta*1);
+// _grey_level_boundary.push_back(minTot + delta*2);
+ _grey_level_boundary.push_back(minTot + delta*3);
+// _grey_level_boundary.push_back(minTot + delta*4);
+ _grey_level_boundary.push_back(minTot + delta*5);
+ // _grey_level_boundary.push_back(minTot + delta*6);
+ _grey_level_boundary.push_back(minTot + delta*7);
+ _grey_level_boundary.push_back(minTot + delta*8);
}
//----------------------------------------------------------------------------
void ColorLayerImageView::ConfigLookupTable() // virtual
{
- // CM
+ // CM 2014
+ // EED 28/01/2015
// Grey level extrema retrieved from the image grey level extrema.
- GetImage()->GetScalarRange(_range);
-
+//EED 20 oct 2015
+// GetImage()->GetScalarRange(_range);
+ GetImageScalarRange();
+ double minRange = _range[0];
+ double maxRange = _range[1];
// ------------------ Setting Default Values
// Checks the size consistency of vectors _base_color and _grey_level_boundary.
// In case of inconsistency, an exception should be thrown. Instead, the default values are set.
- if (GetBaseColorNb() == 0)
- SetDefaultBaseColorAndGreyLevelBoundary();
-
- // If at least one color has been set, set the grey level boundaries to build an equipartition of the image grey levels, keeping the base colors defined.
- else
- if (GetBaseColorNb() != (_grey_level_boundary.size() - 1) )
- {
- std::cout << "CM ColorLayerImageView::ConfigLookupTable : ERROR!!! Inconsistency between the sizes of vectors _base_color and _grey_level_boundary. _base_color.size()/3 (=" <<_base_color.size()/3 << ") should be equal to _grey_level_boundary.size() - 1 (=" << _grey_level_boundary.size() - 1 << ")." << std::endl;
- std::cout << "CM The default values for the base colors and the grey level boundaries will be set." << std::endl;
- SetDefaultGreyLevelBoundary();
- }
+ if (GetBaseColorNb() == 0)
+ {
+ SetDefaultBaseColorAndGreyLevelBoundary();
+ } else { // If at least one color has been set, set the grey level boundaries to build an equipartition of the image grey levels, keeping the base colors defined.
+
+ if (_color_type==true) // Plain
+ {
+ if (GetBaseColorNb() != (int)_grey_level_boundary.size()-1)
+ {
+ std::cout << "CM ColorLayerImageView::ConfigLookupTable : ERROR!!! Inconsistency between the sizes of vectors _base_color and _grey_level_boundary. _base_color.size()/3 (=" <<_base_color.size()/3 << ") should be equal to _grey_level_boundary.size()+1 (=" << _grey_level_boundary.size()<<"+1)." << std::endl;
+ std::cout << "CM The default values for the base colors and the grey level boundaries will be set." << std::endl;
+ SetDefaultGreyLevelBoundary();
+ } // if
+ } // _color_type
+
+ if (_color_type==false) // Gradiant
+ {
+ if (GetBaseColorNb() != (int)_grey_level_boundary.size())
+ {
+ std::cout << "CM ColorLayerImageView::ConfigLookupTable : ERROR!!! Inconsistency between the sizes of vectors _base_color and _grey_level_boundary. _base_color.size()/3 (=" <<_base_color.size()/3 << ") should be equal to _grey_level_boundary.size() (=" << _grey_level_boundary.size()<<")." << std::endl;
+ std::cout << "CM The default values for the base colors and the grey level boundaries will be set." << std::endl;
+ SetDefaultGreyLevelBoundary();
+ } // if
+ } // _color_type
+
+ }
// ------------------ End Of Setting Default Values
+ int iTransparence,transparenceSize = _transparence_level_boundary.size();
+ for (iTransparence=transparenceSize ; iTransparence < GetBaseColorNb(); iTransparence++ )
+ {
+ _transparence_level_boundary.push_back(1);
+ }
// ------------------ Defining the Threshold Table
vtkLookupTable* thresholdTable = GetThresholdTable();
+ double thresholdTable_range[2];
+ double r1,r2,g1,g2,b1,b2,t1,t2;
+ int start,end;
+
// CM Number of table values consistent with the effective number of values (see loop below).
- thresholdTable->SetNumberOfTableValues(std::max( GetGreyLevelBoundaries( GetBaseColorNb() ), ceil(_range[1]) ) - std::min( GetGreyLevelBoundaries(0), floor(_range[0]) ) + 1);
- thresholdTable->SetTableRange(_range);
- thresholdTable->SetAlphaRange(0, 1);
- thresholdTable->SetValueRange(0, 1);
- thresholdTable->SetSaturationRange(0, 0);
+ thresholdTable_range[1]= std::max( GetGreyLevelBoundaries( _grey_level_boundary.size()-1 ) , ceil(maxRange) );
+ thresholdTable_range[0]= std::min( GetGreyLevelBoundaries(0), floor(minRange) );
+
+ thresholdTable_range[1]= GetGreyLevelBoundaries( _grey_level_boundary.size()-1 );
+ thresholdTable_range[0]= GetGreyLevelBoundaries(0);
+
+ thresholdTable->SetTableRange(thresholdTable_range);
+ thresholdTable->SetAlphaRange( 0,1 );
+ thresholdTable->SetValueRange( 0,1 );
+
+ thresholdTable->SetSaturationRange( 0,0 );
thresholdTable->SetRampToLinear( );
+ maxColorsThresholdTable = 1000;
+ thresholdTable->SetNumberOfTableValues( maxColorsThresholdTable+1 );
+ thresholdTable->SetNanColor(0,0,0,0);
+
+
// Defines the lookup table.
// If the image has a degradation in one (or both) extremum (lower or higher),
// sets the corresponding grey levels as transparent white in the lookup table.
- for (int i = floor(_range[0]); i <= GetGreyLevelBoundaries(0); i++)
- {
- thresholdTable -> SetTableValue( i, 0, 0, 0, 0);
- }
- for (int i = GetGreyLevelBoundaries( GetBaseColorNb() ) + 1 ; i <= ceil(_range[1]); i++)
- {
- thresholdTable -> SetTableValue( i, 0, 0, 0, 0);
- }
-
- int delta;
// _color_type true, i.e. plain colors.
// Sets the plain color for each grey level interval.
- if (_color_type)
- {
- for (int i = 0; i < GetBaseColorNb(); i++)
- {
- delta = GetGreyLevelBoundaries(i+1) - GetGreyLevelBoundaries(i);
- for (int ii = 1; ii <= delta; ii++)
- {
- thresholdTable->SetTableValue(GetGreyLevelBoundaries(i) + ii,
- GetBaseColors(i*3),
- GetBaseColors(i*3 + 1),
- GetBaseColors(i*3 + 2),
- 1);
- }
- }
- } // End Of if (_color_type)
-
-
- // _color_type false, i.e. gradient color
- else
- {
- // First color:
- // Creates a linear range from white to the first color.
- delta = GetGreyLevelBoundaries(1) - GetGreyLevelBoundaries(0);
- for (int ii = 1; ii <= delta ; ii++)
- {
- thresholdTable->SetTableValue( GetGreyLevelBoundaries(0) + ii, GetBaseColors(0) * ii/delta,
- GetBaseColors(1) * ii/delta, GetBaseColors(2) * ii/delta, 1);
- }
-
- // If other colors exist:
- // Creates linear ranges between one color and the following in the color vector.
+ if (_color_type) // Plain
+ {
+ if ( minRange<GetGreyLevelBoundaries(0) )
+ {
+ start = 0;
+ end = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(0) );
+ FillColorTable(start,end, 0,0,0, 0,0,0, 0,0);
+ }
+
+ if ( maxRange>GetGreyLevelBoundaries( _grey_level_boundary.size()-1 ) )
+ {
+ start = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries( _grey_level_boundary.size()-1 ) );
+ end = GrayLevel_TO_colorTableIndex( maxRange );
+ FillColorTable(start,end, 0,0,0, 0,0,0, 0,0);
+ }
+ for (int iColor = 0; iColor < GetBaseColorNb(); iColor++)
+ {
+ r1 = GetBaseColors(iColor*3+0);
+ g1 = GetBaseColors(iColor*3+1);
+ b1 = GetBaseColors(iColor*3+2);
+ start = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(iColor) );
+ end = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(iColor+1) );
+ t1 = _transparence_level_boundary[iColor];
+// t2 = _transparence_level_boundary[iColor+1];
+ FillColorTable(start,end, r1,g1,b1,r1,g1,b1,t1,t1);
+ } // for i
+ } else { // _color_type false, i.e. gradient color
if (GetBaseColorNb() > 1)
- {
- for (int i = 1; i < GetBaseColorNb(); i++)
- {
- delta = GetGreyLevelBoundaries(i+1) - GetGreyLevelBoundaries(i);
- for (int ii = 1; ii <= delta; ii++)
{
- // Color computation : previous_color + (current_color - previous_color)/delta * ii
- thresholdTable->SetTableValue(GetGreyLevelBoundaries(i) + ii,
- GetBaseColors((i-1)*3) + (GetBaseColors(i*3) - GetBaseColors((i-1)*3)) / delta * ii ,
- GetBaseColors((i-1)*3 + 1) + (GetBaseColors(i*3 + 1) - GetBaseColors((i-1)*3 + 1)) / delta * ii ,
- GetBaseColors((i-1)*3 + 2) + (GetBaseColors(i*3 + 2) - GetBaseColors((i-1)*3 + 2)) / delta * ii ,
- 1);
- }
- }
- }
- } // End Of if (!_color_type)
-
+ for (int iColor = 0; iColor < GetBaseColorNb()-1; iColor++)
+ {
+ r1 = GetBaseColors( (iColor+0)*3+0 );
+ g1 = GetBaseColors( (iColor+0)*3+1 );
+ b1 = GetBaseColors( (iColor+0)*3+2 );
+ r2 = GetBaseColors( (iColor+1)*3+0);
+ g2 = GetBaseColors( (iColor+1)*3+1);
+ b2 = GetBaseColors( (iColor+1)*3+2);
+ start = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(iColor) );
+ end = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(iColor+1) );
+ t1 = _transparence_level_boundary[iColor];
+ t2 = _transparence_level_boundary[iColor+1];
+ FillColorTable( start,end, r1,g1,b1, r2,g2,b2, t1,t2 );
+ }// for
+ } //if
+ } // End Of if (!_color_type)
+
+ double minRangeForColorBar, maxRangeForColorBar;
+ GetRangeForColorBar( minRangeForColorBar, maxRangeForColorBar );
+ thresholdTable->SetRange( minRangeForColorBar, maxRangeForColorBar );
+
+// thresholdTable->SetTableRange( minRange, maxRange );
+// thresholdTable->SetValueRange( 0.0, 1.0 );
+// thresholdTable->SetAboveRangeColor(0,0,0,0);
+// thresholdTable->SetBelowRangeColor(0,0,0,0);
+
thresholdTable->Build( );
- // ------------------ End Of Defining the Threshold Table
- //EO CM
+ //EO CM EED
+}
+
+//----------------------------------------------------------------------------
+int ColorLayerImageView::GrayLevel_TO_colorTableIndex( double VALUE )
+{
+ GetImage()->Update();
+
+//EED 20 oct 2015
+// GetImage()->GetScalarRange(_range);
+ GetImageScalarRange();
+
+ double minRange = _range[0];
+ double maxRange = _range[1];
+ return maxColorsThresholdTable * (VALUE-minRange) / (maxRange-minRange);
+}
+
+//----------------------------------------------------------------------------
+void ColorLayerImageView::FillColorTable(int start, int end, double r1, double g1, double b1, double r2, double g2, double b2, double t1, double t2)
+{
+ vtkLookupTable* thresholdTable = GetThresholdTable();
+ int iTable;
+ double delta = end-start;
+ double dr = (r2-r1)/delta;
+ double dg = (g2-g1)/delta;
+ double db = (b2-b1)/delta;
+ double dt = (t2-t1)/delta;
+ for (iTable=0; iTable<=delta; iTable++)
+ {
+ thresholdTable->SetTableValue( iTable+start , r1+dr*iTable, g1+dg*iTable, b1+db*iTable,t1+dt*iTable);
+ } // for iTable
+
+
}
// EOF
git://git.creatis.insa-lyon.fr / creaMaracasVisu.git / blobdiff