connect(colorHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(setOverlayProperty()));
connect(opacityHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(setFusionProperty()));
connect(fusionColorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(setFusionProperty()));
connect(colorHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(setOverlayProperty()));
connect(opacityHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(setFusionProperty()));
connect(fusionColorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(setFusionProperty()));