diff --git a/src/SimNDT/gui/previewScenarioController.py b/src/SimNDT/gui/previewScenarioController.py
new file mode 100644
index 0000000..29091cf
--- /dev/null
+++ b/src/SimNDT/gui/previewScenarioController.py
@@ -0,0 +1,68 @@
+__author__ = 'Miguel Molero'
+from SimNDT.graphics.mplWidget import *
+from matplotlib import cm
+
+
+class PreviewScenario(QDialog):
+    def __init__(self, Scenario, parent=None):
+        super(PreviewScenario, self).__init__(parent)
+        self.parent = parent
+
+        self.mpl = MplCanvas(width=6, height=6, dpi=100)
+        self.mpl.ax.axis("off")
+        self.mpl_toolbar = NavigationToolbar(self.mpl, self)
+
+        self.colormapComboBox = QComboBox()
+        self.colormapComboBox.addItems(['jet', 'spectral', 'other'])
+        hbox = QHBoxLayout()
+        hbox.addWidget(QLabel("Colormap"))
+        hbox.addWidget(self.colormapComboBox)
+        hbox.addStretch()
+
+        frame = QFrame()
+        frame.setFrameStyle(QFrame.Panel | QFrame.Raised)
+        frame.setLayout(hbox)
+        frame.setMaximumHeight(50)
+
+        layout = QVBoxLayout()
+        layout.addWidget(self.mpl)
+        layout.addWidget(frame)
+        layout.addWidget(self.mpl_toolbar, 0)
+        self.setLayout(layout)
+
+        self.colormapComboBox.currentIndexChanged.connect(self.change)
+
+        # self.layout().setSizeConstraint(QLayout.SetFixedSize)
+        # On Top
+        self.setWindowFlags(self.windowFlags())
+        self.setWindowTitle(self.tr("Preview the Labeled Scenario"))
+        self.setWindowIcon(QIcon(":/previewImage.png"))
+
+        self.Scenario = Scenario
+
+        cax = self.mpl.ax.imshow(self.Scenario.I, cmap=cm.jet, vmin=0, vmax=255)
+        ticks_at = np.unique(self.Scenario.I)
+        cbar = self.mpl.fig.colorbar(cax, ticks=ticks_at, orientation='horizontal')
+        cbar.set_label("Labels")
+        self.mpl.draw()
+        QApplication.processEvents()
+
+    def change(self, index):
+
+        if index == 0:
+            Colormap = cm.jet
+        elif index == 1:
+            Colormap = cm.spectral
+        elif index == 2:
+            Colormap = cm.Set1
+
+        self.mpl.fig.clear()
+        self.mpl.ax = self.mpl.fig.add_subplot(111)
+
+        cax = self.mpl.ax.imshow(self.Scenario.I, cmap=Colormap, vmin=0, vmax=255)
+        ticks_at = np.unique(self.Scenario.I)
+        cbar = self.mpl.fig.colorbar(cax, ticks=ticks_at, orientation='horizontal')
+        cbar.set_label("Labels")
+
+        self.mpl.draw()
+        QApplication.processEvents()