connect(fusionColorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(setFusionProperty()));
connect(windowSpinBox,SIGNAL(valueChanged(double)),this,SLOT(setFusionProperty()));
connect(levelSpinBox,SIGNAL(valueChanged(double)),this,SLOT(setFusionProperty()));
connect(fusionColorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(setFusionProperty()));
connect(windowSpinBox,SIGNAL(valueChanged(double)),this,SLOT(setFusionProperty()));
connect(levelSpinBox,SIGNAL(valueChanged(double)),this,SLOT(setFusionProperty()));