diff --git a/src/charts/colormapchart/colormapchart.pri b/src/charts/colormapchart/colormapchart.pri
--- a/src/charts/colormapchart/colormapchart.pri
+++ b/src/charts/colormapchart/colormapchart.pri
@@ -1,6 +1,9 @@
 INCLUDEPATH += $$PWD
 DEPENDPATH += $$PWD
 
+QMAKE_CXXFLAGS+= -fopenmp
+QMAKE_LFLAGS +=  -fopenmp
+
 SOURCES += \
     $$PWD/qcolormapseries.cpp \
     $$PWD/colormapchart.cpp \
diff --git a/src/charts/colormapchart/qcolormapseries.cpp b/src/charts/colormapchart/qcolormapseries.cpp
--- a/src/charts/colormapchart/qcolormapseries.cpp
+++ b/src/charts/colormapchart/qcolormapseries.cpp
@@ -8,8 +8,8 @@
 #include <private/qchart_p.h>
 #include <QtGui/QPainter>
 
-//#include <algorithm>
 #include <cmath>
+#include "omp.h"
 
 #include "qcolorbaraxis.h"
 
@@ -152,8 +152,8 @@ void QColorMapSeries::setPen(const QPen 
         //bool emitColorChanged = d->m_pen.color() != pen.color();
         d->m_pen = pen;
         emit d->updated();
-//                if (emitColorChanged)
-//                    emit colorChanged(pen.color());
+        //                if (emitColorChanged)
+        //                    emit colorChanged(pen.color());
         emit penChanged(pen);
     }
 }
@@ -438,14 +438,18 @@ void QColorMapSeriesPrivate::getUniformG
     double dx = (m_maxX - m_minX)/(double)width;
     double dy = (m_maxY - m_minY)/(double)height;
 
-    int x=0;
-    int y=0;
+    int index=0;
 
-QVector<Point3D> cluster;
-cluster.reserve(height*width/1000);
+    QVector<Point3D> cluster;
+    cluster.reserve(height*width/1000);
+
+    int x = 0;
+    int y = 0;
 
     for (auto cell= grid.begin();cell<grid.end();++cell)
     {
+        x = index%width;
+        y = index/width;
         cluster.resize(0);
         this->buildCluster(x,y,dx,dy,cluster);
         if(strategy == QColorMapSeries::LastPixel)
@@ -454,16 +458,30 @@ cluster.reserve(height*width/1000);
             *cell=this->clusterStrategyMean(cluster);
         else if(strategy == QColorMapSeries::MedianPixel)
             *cell=this->clusterStrategyMedian(cluster);
-        if(x<width-1)
-        {
-            x++;
-        }
-        else
-        {
-            x=0;
-            y++;
-        }
+        index++;
     }
+
+//#pragma omp for
+//    for(int y = 0;y<height;y++)
+//    {
+//        for(int x =0;x<width;x++)
+//        {
+//                    cluster.resize(0);
+//                    this->buildCluster(x,y,dx,dy,cluster);
+//                    if(strategy == QColorMapSeries::LastPixel)
+//                        grid[width*y+x] = this->clusterStrategyLast(cluster);
+//                    else if(strategy == QColorMapSeries::MeanPixel)
+//                        grid[width*y+x] = this->clusterStrategyMean(cluster);
+//                    else if(strategy == QColorMapSeries::MedianPixel)
+//                        grid[width*y+x] = this->clusterStrategyMedian(cluster);
+//        }
+//    }
+}
+
+double QColorMapSeriesPrivate::computeValuePixel()
+{
+
+
 }
 
 /*!