Adding the yt quickstart notebooks

notebooks/04_yt_Introduction.ipynb

@@ -0,0 +1,72 @@
+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:7c68cdd34ce71c042fa3c4badc4587693f1cc1b6aa0b3c99a4a63a1db6fe57f9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "# Welcome to the yt quickstart!\n",
+      "\n",
+      "In this brief tutorial, we'll go over how to load up data, analyze things, inspect your data, and make some visualizations.\n",
+      "\n",
+      "Our documentation page can provide information on a variety of the commands that are used here, both in narrative documentation as well as recipes for specific functionality in our cookbook.  The documentation exists at http://yt-project.org/doc/.  If you encounter problems, look for help here: http://yt-project.org/doc/help/index.html.\n",
+      "\n",
+      "## Acquiring the datasets for this tutorial\n",
+      "\n",
+      "If you are executing these tutorials interactively, you need some sample datasets on which to run the code.  You can download these datasets at http://yt-project.org/data/.  The datasets necessary for each lesson are noted next to the corresponding tutorial.\n",
+      "\n",
+      "## What's Next?\n",
+      "\n",
+      "The Notebooks are meant to be explored in this order:\n",
+      "\n",
+      "1. Introduction\n",
+      "2. Data Inspection (IsolatedGalaxy dataset)\n",
+      "3. Simple Visualization (enzo_tiny_cosmology & Enzo_64 datasets)\n",
+      "4. Data Objects and Time Series (IsolatedGalaxy dataset)\n",
+      "5. Derived Fields and Profiles (IsolatedGalaxy dataset)\n",
+      "6. Volume Rendering (IsolatedGalaxy dataset)"
+     ]
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "The following code will download the data needed for this tutorial automatically using `curl`. It may take some time so please wait when the kernel is busy. You will need to set `download_datasets` to True before using it."
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "download_datasets = False\n",
+      "if download_datasets:\n",
+      "    !curl -sSO http://yt-project.org/data/enzo_tiny_cosmology.tar\n",
+      "    print \"Got enzo_tiny_cosmology\"\n",
+      "    !tar xf enzo_tiny_cosmology.tar\n",
+      "    \n",
+      "    !curl -sSO http://yt-project.org/data/Enzo_64.tar\n",
+      "    print \"Got Enzo_64\"\n",
+      "    !tar xf Enzo_64.tar\n",
+      "    \n",
+      "    !curl -sSO http://yt-project.org/data/IsolatedGalaxy.tar\n",
+      "    print \"Got IsolatedGalaxy\"\n",
+      "    !tar xf IsolatedGalaxy.tar\n",
+      "    \n",
+      "    print \"All done!\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}