Add small notebook for exploring artificial images

Author: mwcraig

notebooks/Artificial image explorer.ipynb

@@ -0,0 +1,79 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%matplotlib inline\n",
+    "from matplotlib import pyplot as plt\n",
+    "import numpy as np\n",
+    "from ipywidgets import interactive, interact\n",
+    "\n",
+    "from convenience_functions import show_image\n",
+    "import image_sim as isim\n",
+    "\n",
+    "# Use custom style for larger fonts and figures\n",
+    "plt.style.use('guide.mplstyle')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def complete_image(bias_level=1100, read=10.0, gain=1, dark=0.1, \n",
+    "                   exposure=30, hot_pixels=True, sky_counts=200):\n",
+    "    synthetic_image = np.zeros([500, 500])\n",
+    "    show_image(synthetic_image + \n",
+    "               isim.read_noise(synthetic_image, read) +\n",
+    "               isim.bias(synthetic_image, bias_level, realistic=True) + \n",
+    "               isim.dark_current(synthetic_image, dark, exposure, hot_pixels=hot_pixels) +\n",
+    "               isim.sky_background(synthetic_image, sky_counts),\n",
+    "               cmap='gray',\n",
+    "               figsize=(4, 4))\n",
+    "    \n",
+    "i = interactive(complete_image, bias_level=(1000,1200,10), dark=(0.0,1,0.1), sky_counts=(0, 300, 50),\n",
+    "          gain=(0.5, 3.0, 0.25), read=(0, 50, 5.0),\n",
+    "          exposure=(0, 300, 30))\n",
+    "\n",
+    "for kid in i.children:\n",
+    "    try:\n",
+    "        kid.continuous_update = False\n",
+    "    except KeyError:\n",
+    "        pass\n",
+    "i"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}