Neuronal_Network_Stigi.ipynb

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  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
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   "source": [
    "#imports\n",
    "import testdata.TestDataGenerator as tdg\n",
    "import tensorflow as tf\n",
    "from tensorflow import keras\n",
    "import matplotlib.pyplot as plt\n",
    "import random\n",
    "import numpy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#definitions\n",
    "\n",
    "DIMENSIONS=2\n",
    "SENSORS= 4\n",
    "COORDINATE_SYSTEM = 1\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Generate train data\n",
    "\n",
    "distances, datapoints, sensors = tdg.generateIO(10000,SENSORS, DIMENSIONS,COORDINATE_SYSTEM)\n",
    "\n",
    "#Generate Model\n",
    "\n",
    "inp = keras.layers.Input((SENSORS,))\n",
    "layer = keras.layers.Dense(64, activation='relu')(inp)\n",
    "layer = keras.layers.Dense(64, activation='relu')(layer)\n",
    "outp = []\n",
    "for i in range(DIMENSIONS):\n",
    "    outp.append(keras.layers.Dense(1, activation='sigmoid', name=\"dim\"+str(i))(layer)) \n",
    "model = keras.models.Model(inputs=inp, outputs=outp)\n",
    "model.compile(optimizer='adam', loss='mean_squared_error')\n",
    "\n",
    "#Train Model\n",
    "model.fit(distances,datapoints,epochs =5)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "test_distance, test_datapoint, test_sensor = tdg.generateFromSensors(1000, DIMENSIONS, COORDINATE_SYSTEM, sensors)      \n",
    "result = model.evaluate(test_distance, test_datapoint)\n",
    "\n",
    "for i in range(len(result)):\n",
    "    print(model.metrics_names[i] + \": \" + str(result[i]))\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "test_distance, test_datapoint, test_sensor = tdg.generateFromSensors(100, DIMENSIONS, COORDINATE_SYSTEM, sensors)       \n",
    "    \n",
    "\n",
    "testResult = model.predict(test_distance)\n",
    "\n",
    "plt.figure()\n",
    "plt.ylabel('value')\n",
    "plt.xlabel('dataset')\n",
    "plt.title('y-prediction with new generated data')\n",
    "plt.plot(test_datapoint[1])   \n",
    "plt.plot(testResult[1])\n",
    "plt.legend(['testdata', 'neuronal prediction'])\n",
    "plt.show()\n",
    "\n",
    "\n",
    "plt.figure()\n",
    "plt.ylabel('value')\n",
    "plt.xlabel('dataset')\n",
    "plt.title('x-prediction with new generated data')\n",
    "plt.plot(test_datapoint[0])   \n",
    "plt.plot(testResult[0])\n",
    "plt.legend(['testdata', 'neuronal prediction'])\n",
    "plt.show()\n",
    "\n",
    "plt.figure()\n",
    "plt.title('prediction with new generated data')\n",
    "plt.scatter(test_datapoint[0], test_datapoint[1])\n",
    "plt.scatter(testResult[0], testResult[1])\n",
    "plt.legend(['testdata', 'neuronal prediction'])\n",
    "plt.show()\n"
   ]
  }
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