diff --git a/.gitignore b/.gitignore
index 8f224eb..f6ee56a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ __pycache__/
 .idea/
 /results/
 /test_routines/
+/temp/
 # Latex output files
 *.out
 *.aux
diff --git a/spike_redetection/DataProvider.py b/spike_redetection/DataProvider.py
new file mode 100644
index 0000000..6971475
--- /dev/null
+++ b/spike_redetection/DataProvider.py
@@ -0,0 +1,20 @@
+
+from parser.CellData import CellData
+from parser.DataParserFactory import DatParser
+
+class DataProvider:
+
+    def __init__(self, data_path):
+        self.data_path = data_path
+        # self.cell = CellData(data_path)
+        self.parser = DatParser(data_path)
+
+    def get_repros(self):
+        pass
+
+    def get_stim_values(self, repro):
+        pass
+
+    def get_trials(self, repro, stimulus_value):
+        pass
+
diff --git a/spike_redetection/SpikeRedetectGui.py b/spike_redetection/SpikeRedetectGui.py
new file mode 100644
index 0000000..3de5fcd
--- /dev/null
+++ b/spike_redetection/SpikeRedetectGui.py
@@ -0,0 +1,97 @@
+
+from PyQt5.QtWidgets import QWidget, QPushButton, QSizePolicy, QLineEdit,\
+    QMessageBox, QVBoxLayout, QHBoxLayout, QGridLayout, QLabel, QFrame,\
+    QDoubleSpinBox
+from PyQt5.QtCore import pyqtSlot
+
+import numpy as np
+from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
+from matplotlib.figure import Figure
+
+
+class SpikeRedetectGui(QWidget):
+
+    def __init__(self, data_provider):
+        super().__init__()
+        self.data_provider = data_provider
+        self.title = 'Spike Redetection'
+        self.left = 10
+        self.top = 10
+        self.width = 640
+        self.height = 400
+        self.initUI()
+
+    def initUI(self):
+        self.setWindowTitle(self.title)
+        self.setGeometry(self.left, self.top, self.width, self.height)
+
+        # Middle:
+        middle = QHBoxLayout()
+
+        # Canvas for matplotlib figure
+        m = PlotCanvas(self, width=5, height=4)
+        m.move(0, 0)
+        middle.addWidget(m)
+        middle.addWidget(QVLine())
+
+        # Side (options) panel
+        panel = QFrame()
+        panel_layout = QVBoxLayout()
+        button = QPushButton('Button!', self)
+        button.setToolTip('A nice button!')
+        button.clicked.connect(m.plot)
+        panel_layout.addWidget(button)
+
+        threshold_label = QLabel("Threshold:")
+        panel_layout.addWidget(threshold_label)
+        threshold_spinbox = QDoubleSpinBox(self)
+        threshold_spinbox.setValue(2)
+        threshold_spinbox.setSingleStep(0.5)
+        threshold_spinbox.valueChanged.connect(lambda: m.plot(threshold_spinbox.value()))
+        panel_layout.addWidget(threshold_spinbox)
+
+        panel.setLayout(panel_layout)
+        middle.addWidget(panel)
+
+        self.setLayout(middle)
+        self.show()
+
+
+class PlotCanvas(FigureCanvas):
+
+    def __init__(self, parent=None, width=5, height=4, dpi=100):
+        fig = Figure(figsize=(width, height), dpi=dpi)
+        self.axes = fig.add_subplot(111)
+
+        FigureCanvas.__init__(self, fig)
+        self.setParent(parent)
+
+        FigureCanvas.setSizePolicy(self,
+                                   QSizePolicy.Expanding,
+                                   QSizePolicy.Expanding)
+        FigureCanvas.updateGeometry(self)
+        self.plot()
+
+    @pyqtSlot()
+    def plot(self, mean=1):
+        x = np.arange(0, 1, 0.0001)
+        data = np.sin(x*np.pi*2*mean)
+        ax = self.axes
+        ax.clear()
+        ax.plot(data, 'r-')
+        ax.set_title('Sinus Example')
+        self.draw()
+
+
+class QHLine(QFrame):
+    def __init__(self):
+        super(QHLine, self).__init__()
+        self.setFrameShape(QFrame.HLine)
+        self.setFrameShadow(QFrame.Sunken)
+
+
+class QVLine(QFrame):
+    def __init__(self):
+        super(QVLine, self).__init__()
+        self.setFrameShape(QFrame.VLine)
+        self.setFrameShadow(QFrame.Sunken)
diff --git a/spike_redetection/main.py b/spike_redetection/main.py
new file mode 100644
index 0000000..2d18526
--- /dev/null
+++ b/spike_redetection/main.py
@@ -0,0 +1,17 @@
+
+import sys
+from PyQt5.QtWidgets import QApplication, QWidget, QPushButton
+
+from spike_redetection.DataProvider import DataProvider
+from spike_redetection.SpikeRedetectGui import SpikeRedetectGui
+
+
+def main():
+    app = QApplication(sys.argv)
+    data_provider = DataProvider("../data/final_sam/2010-11-08-al-invivo-1")
+    ex = SpikeRedetectGui(data_provider)
+    sys.exit(app.exec_())
+
+
+if __name__ == '__main__':
+    main()