new volume rendering example

zingale · zingale · commit 774b80ebd5fd · 2017-03-05T19:42:25.000-05:00
diff --git a/lectures/04-matplotlib/ipyvolume-example.ipynb b/lectures/04-matplotlib/ipyvolume-example.ipynb
@@ -0,0 +1,107 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "import numpy as np\n",
+    "import ipyvolume"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "N = 256\n",
+    "x = np.linspace(0.0, 1.0, N)\n",
+    "y = np.linspace(0.0, 1.0, N)\n",
+    "z = np.linspace(0.0, 1.0, N)\n",
+    "\n",
+    "x3d, y3d, z3d = np.meshgrid(x, y, z, indexing=\"ij\")\n",
+    "\n",
+    "r = np.sqrt((x3d - 0.5)**2 + (y3d - 0.5)**2 + (z3d - 0.5)**2)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "f = 1.0 + np.sin(x3d*np.pi*5)*np.sin(y3d*np.pi*7)*np.cos(z3d*np.pi*2) * np.exp(-r**2/0.25**2)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "a = ipyvolume.volshow(f)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "bf1db95101004b669e617436c1b7570b"
+      }
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "a"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "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": "3.5.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
