+/*# ---------------------------------------------------------------------
+#
+# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
+# pour la Sant�)
+# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+# Previous Authors : Laurent Guigues, Jean-Pierre Roux
+# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+#
+# This software is governed by the CeCILL-B license under French law and
+# abiding by the rules of distribution of free software. You can use,
+# modify and/ or redistribute the software under the terms of the CeCILL-B
+# license as circulated by CEA, CNRS and INRIA at the following URL
+# http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+# or in the file LICENSE.txt.
+#
+# As a counterpart to the access to the source code and rights to copy,
+# modify and redistribute granted by the license, users are provided only
+# with a limited warranty and the software's author, the holder of the
+# economic rights, and the successive licensors have only limited
+# liability.
+#
+# The fact that you are presently reading this means that you have had
+# knowledge of the CeCILL-B license and that you accept its terms.
+# ------------------------------------------------------------------------ */
+
/**
* \file
* \author Eduardo Davila and Claire Mouton.
//=========================================================================
ColorLayerImageView::ColorLayerImageView( )
{
- _z2 = 0;
- _fix_dynamic = true;
- _color_type = false;
+ _z2 = 0;
+ _fix_dynamic = true;
+ _color_type = false;
}
//=========================================================================
_fix_dynamic = fix_dynamic;
}
+//----------------------------------------------------------------------------
+void ColorLayerImageView::SetX2(int x2)
+{
+ _x2 = x2;
+}
+
+//----------------------------------------------------------------------------
+void ColorLayerImageView::SetY2(int y2)
+{
+ _y2 = y2;
+}
+
+
//----------------------------------------------------------------------------
void ColorLayerImageView::SetZ2(int z2)
{
_z2 = z2;
}
+//----------------------------------------------------------------------------
+int ColorLayerImageView::GetX() // virtual
+{
+ int result=0;
+ if (_fix_dynamic==false)
+ {
+ result = _x2;
+ }
+ else
+ {
+ result = LayerImageBase::GetX();
+ }
+
+ return result;
+}
+
+//----------------------------------------------------------------------------
+int ColorLayerImageView::GetY() // virtual
+{
+ int result=0;
+ if (_fix_dynamic==false)
+ {
+ result = _y2;
+ }
+ else
+ {
+ result = LayerImageBase::GetY();
+ }
+
+ return result;
+}
+
//----------------------------------------------------------------------------
int ColorLayerImageView::GetZ() // virtual
{
// 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);
- }
+ {
+ _grey_level_boundary.push_back((double)minTot + i * delta);
+ }
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
void ColorLayerImageView::ConfigLookupTable() // virtual
{
- // CM
+ // CM 2014
+ // EED 28/01/2015
+
// Grey level extrema retrieved from the image grey level extrema.
- GetImage()->GetScalarRange(_range);
+ GetImage()->GetScalarRange(_range);
+ 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) )
+ {
+ 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 (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();
+ 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();
}
+ }
// ------------------ End Of Setting Default Values
-
// ------------------ Defining the Threshold Table
vtkLookupTable* thresholdTable = GetThresholdTable();
+ double thresholdTable_range[2];
+ double r1,r2,g1,g2,b1,b2;
+ 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_range[1]= std::max( GetGreyLevelBoundaries( _grey_level_boundary.size()-1 ) , ceil(_range[1]) );
+ thresholdTable_range[0]= std::min( GetGreyLevelBoundaries(0) , floor(_range[0]) );
+
+ thresholdTable->SetTableRange(thresholdTable_range);
thresholdTable->SetAlphaRange(0, 1);
thresholdTable->SetValueRange(0, 1);
+
thresholdTable->SetSaturationRange(0, 0);
thresholdTable->SetRampToLinear( );
+ maxColorsThresholdTable = 1000;
+ thresholdTable->SetNumberOfTableValues( maxColorsThresholdTable );
+
+
// 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)
+ {
+
+ if ( minRange<GetGreyLevelBoundaries(0) )
+ {
+ start = 0;
+ end = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(0) );
+ FillColorTable(start,end, 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);
+ }
+
+ 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) );
+ FillColorTable(start,end, r1,g1,b1,r1,g1,b1);
+ } // for i
+ } // 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.
+ {
+//EED 28/01/2015
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(); iColor++)
+ {
+ if (iColor==0)
+ {
+ r1 = 0;
+ g1 = 0;
+ b1 = 0;
+ } else {
+ r1 = GetBaseColors((iColor-1)*3+0);
+ g1 = GetBaseColors((iColor-1)*3+1);
+ b1 = GetBaseColors((iColor-1)*3+2);
+ } // if iColor == 0
+
+ r2 = GetBaseColors(iColor*3+0);
+ g2 = GetBaseColors(iColor*3+1);
+ b2 = GetBaseColors(iColor*3+2);
+ start = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(iColor) );
+ end = GrayLevel_TO_colorTableIndex( GetGreyLevelBoundaries(iColor+1) );
+ FillColorTable( start,end, r1,g1,b1, r2,g2,b2 );
+ }// for
+ } //if
+ } // End Of if (!_color_type)
+
+ thresholdTable->SetRange( minRange, maxRange );
+ thresholdTable->SetValueRange( 0.0, 1.0 );
+
thresholdTable->Build( );
- // ------------------ End Of Defining the Threshold Table
- //EO CM
+ //EO CM EED
+}
+
+//----------------------------------------------------------------------------
+int ColorLayerImageView::GrayLevel_TO_colorTableIndex( double VALUE )
+{
+ GetImage()->GetScalarRange(_range);
+ 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)
+{
+ vtkLookupTable* thresholdTable = GetThresholdTable();
+ int iTable;
+ double delta = end-start;
+ double dr = (r2-r1)/delta;
+ double dg = (g2-g1)/delta;
+ double db = (b2-b1)/delta;
+ for (iTable=0; iTable<=delta; iTable++)
+ {
+ thresholdTable->SetTableValue( iTable+start , r1+dr*iTable, g1+dg*iTable, b1+db*iTable,1);
+ } // for iTable
+
+ if (start==0) thresholdTable->SetTableValue( start , r1, g1, b1,0); // The first color in the table is transparent
+
}
// EOF
git://git.creatis.insa-lyon.fr / creaMaracasVisu.git / blobdiff