examples/Notebooks/flopy3_mnw2package_example.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# FloPy\n",
    "\n",
    "## MNW2 package example"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3.8.6 | packaged by conda-forge | (default, Oct  7 2020, 18:42:56) \n",
      "[Clang 10.0.1 ]\n",
      "numpy version: 1.18.5\n",
      "pandas version: 1.0.5\n",
      "flopy version: 3.3.3\n"
     ]
    }
   ],
   "source": [
    "import sys\n",
    "import os\n",
    "import numpy as np\n",
    "try:\n",
    "    import pandas as pd\n",
    "except:\n",
    "    pass\n",
    "\n",
    "# run installed version of flopy or add local path\n",
    "try:\n",
    "    import flopy\n",
    "except:\n",
    "    fpth = os.path.abspath(os.path.join('..', '..'))\n",
    "    sys.path.append(fpth)\n",
    "    import flopy\n",
    "\n",
    "print(sys.version)\n",
    "print('numpy version: {}'.format(np.__version__))\n",
    "try:\n",
    "    print('pandas version: {}'.format(pd.__version__))\n",
    "except:\n",
    "    pass\n",
    "print('flopy version: {}'.format(flopy.__version__))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Make an MNW2 package from scratch"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "m = flopy.modflow.Modflow('mnw2example', model_ws='data')\n",
    "dis = flopy.modflow.ModflowDis(nrow=5, ncol=5, nlay=3, nper=3, top=10, botm=0, model=m)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### MNW2 information by node\n",
    "(this could be prepared externally from well reconds and read in from a csv or excel file)\n",
    "* this table has two multi-node wells, the first (well1) consisting of two nodes that are manually specified\n",
    "(where the variable **rw** is specified by node)\n",
    "* node that some variables that are constant for the whole well are also included (losstype, zpump, etc.)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>ztop</th>\n",
       "      <th>zbotm</th>\n",
       "      <th>wellid</th>\n",
       "      <th>losstype</th>\n",
       "      <th>pumploc</th>\n",
       "      <th>qlimit</th>\n",
       "      <th>ppflag</th>\n",
       "      <th>pumpcap</th>\n",
       "      <th>rw</th>\n",
       "      <th>rskin</th>\n",
       "      <th>kskin</th>\n",
       "      <th>zpump</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>9.5</td>\n",
       "      <td>7.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>6.2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>7.1</td>\n",
       "      <td>5.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.5</td>\n",
       "      <td>2.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>6.2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>9.1</td>\n",
       "      <td>3.7</td>\n",
       "      <td>well2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>5.0</td>\n",
       "      <td>4.1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   i  j  ztop  zbotm wellid losstype  pumploc  qlimit  ppflag  pumpcap   rw  \\\n",
       "0  1  1   9.5    7.1  well1     skin       -1       0       0        0  1.0   \n",
       "1  1  1   7.1    5.1  well1     skin       -1       0       0        0  0.5   \n",
       "2  3  3   9.1    3.7  well2     skin       -1       0       0        0  1.0   \n",
       "\n",
       "   rskin  kskin  zpump  \n",
       "0    2.0    5.0    6.2  \n",
       "1    2.0    5.0    6.2  \n",
       "2    2.0    5.0    4.1  "
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "node_data = pd.DataFrame([[1, 1, 9.5, 7.1, 'well1', 'skin', -1, 0, 0, 0, 1., 2., 5., 6.2],\n",
    "                   [1, 1, 7.1, 5.1, 'well1', 'skin', -1, 0, 0, 0, 0.5, 2., 5., 6.2],\n",
    " [3, 3, 9.1, 3.7, 'well2', 'skin', -1, 0, 0, 0, 1., 2., 5., 4.1]], \n",
    "             columns=['i', 'j', 'ztop', 'zbotm', 'wellid', 'losstype', 'pumploc', 'qlimit', 'ppflag', 'pumpcap', \n",
    "                    'rw', 'rskin', 'kskin', 'zpump'])\n",
    "node_data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### convert the DataFrame to a recarray for compatibility with flopy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "rec.array([(0, 1, 1, 9.5, 7.1, 'well1', 'skin', -1, 0, 0, 0, 1. , 2., 5., 6.2),\n",
       "           (1, 1, 1, 7.1, 5.1, 'well1', 'skin', -1, 0, 0, 0, 0.5, 2., 5., 6.2),\n",
       "           (2, 3, 3, 9.1, 3.7, 'well2', 'skin', -1, 0, 0, 0, 1. , 2., 5., 4.1)],\n",
       "          dtype=[('index', '<i8'), ('i', '<i8'), ('j', '<i8'), ('ztop', '<f8'), ('zbotm', '<f8'), ('wellid', 'O'), ('losstype', 'O'), ('pumploc', '<i8'), ('qlimit', '<i8'), ('ppflag', '<i8'), ('pumpcap', '<i8'), ('rw', '<f8'), ('rskin', '<f8'), ('kskin', '<f8'), ('zpump', '<f8')])"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "node_data = node_data.to_records()\n",
    "node_data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Stress period information\n",
    "(could also be developed externally)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>per</th>\n",
       "      <th>wellid</th>\n",
       "      <th>qdes</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>well1</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>1</td>\n",
       "      <td>well1</td>\n",
       "      <td>100.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>0</td>\n",
       "      <td>well2</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>1</td>\n",
       "      <td>well2</td>\n",
       "      <td>1000.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   per wellid    qdes\n",
       "0    0  well1     0.0\n",
       "1    1  well1   100.0\n",
       "2    0  well2     0.0\n",
       "3    1  well2  1000.0"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "stress_period_data = pd.DataFrame([[0, 'well1', 0],\n",
    "                          [1, 'well1', 100.0],\n",
    "                          [0, 'well2', 0],\n",
    "                          [1, 'well2', 1000.]], columns=['per', 'wellid', 'qdes'])\n",
    "stress_period_data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{0: rec.array([(0, 0, 'well1', 0.), (2, 0, 'well2', 0.)],\n",
       "           dtype=[('index', '<i8'), ('per', '<i8'), ('wellid', 'O'), ('qdes', '<f8')]),\n",
       " 1: rec.array([(1, 1, 'well1',  100.), (3, 1, 'well2', 1000.)],\n",
       "           dtype=[('index', '<i8'), ('per', '<i8'), ('wellid', 'O'), ('qdes', '<f8')])}"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pers = stress_period_data.groupby('per')\n",
    "stress_period_data = {i: pers.get_group(i).to_records() for i in [0, 1]}\n",
    "stress_period_data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Make ``ModflowMnw2`` package object\n",
    "* note that extraneous columns in node_data and stress_period_data are ignored\n",
    "* if itmp is positive, it must equal the number of active wells being specified in ``stress_period_data``, otherwise the package class will raise an error."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "mnw2 = flopy.modflow.ModflowMnw2(model=m, mnwmax=2,\n",
    "                 node_data=node_data, \n",
    "                 stress_period_data=stress_period_data, \n",
    "                 itmp=[2, 2, -1], # reuse second per pumping for last stress period\n",
    "                 )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# \"nodtot\" is computed automatically\n",
    "mnw2.nodtot"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>ztop</th>\n",
       "      <th>zbotm</th>\n",
       "      <th>wellid</th>\n",
       "      <th>losstype</th>\n",
       "      <th>pumploc</th>\n",
       "      <th>qlimit</th>\n",
       "      <th>ppflag</th>\n",
       "      <th>...</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "      <th>hlift</th>\n",
       "      <th>liftq0</th>\n",
       "      <th>liftqmax</th>\n",
       "      <th>hwtol</th>\n",
       "      <th>liftn</th>\n",
       "      <th>qn</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>9.5</td>\n",
       "      <td>7.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>7.1</td>\n",
       "      <td>5.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>9.1</td>\n",
       "      <td>3.7</td>\n",
       "      <td>well2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>3 rows × 33 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j  ztop  zbotm wellid losstype  pumploc  qlimit  ppflag  ...  hlim  \\\n",
       "0  0  1  1   9.5    7.1  well1     skin       -1       0       0  ...   0.0   \n",
       "1  0  1  1   7.1    5.1  well1     skin       -1       0       0  ...   0.0   \n",
       "2  0  3  3   9.1    3.7  well2     skin       -1       0       0  ...   0.0   \n",
       "\n",
       "   qcut  qfrcmn  qfrcmx  hlift  liftq0  liftqmax  hwtol  liftn   qn  \n",
       "0     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "1     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "2     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "\n",
       "[3 rows x 33 columns]"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2.node_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
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       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>wellid</th>\n",
       "      <th>qdes</th>\n",
       "      <th>capmult</th>\n",
       "      <th>cprime</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>well1</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>well2</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j wellid  qdes  capmult  cprime  hlim  qcut  qfrcmn  qfrcmx\n",
       "0  0  1  1  well1   0.0        0     0.0   0.0     0     0.0     0.0\n",
       "1  0  3  3  well2   0.0        0     0.0   0.0     0     0.0     0.0"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2.stress_period_data[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>wellid</th>\n",
       "      <th>qdes</th>\n",
       "      <th>capmult</th>\n",
       "      <th>cprime</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>well1</td>\n",
       "      <td>100.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>well2</td>\n",
       "      <td>1000.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j wellid    qdes  capmult  cprime  hlim  qcut  qfrcmn  qfrcmx\n",
       "0  0  1  1  well1   100.0        0     0.0   0.0     0     0.0     0.0\n",
       "1  0  3  3  well2  1000.0        0     0.0   0.0     0     0.0     0.0"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2.stress_period_data[1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [],
   "source": [
    "tmp = flopy.modflow.ModflowMnw2(model=m,\n",
    "                 itmp=[1, 1, -1], # reuse second per pumping for last stress period\n",
    "                 )"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### empty ``node_data`` and ``stress_period_data`` tables can also be generated by the package class, and then filled"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "rec.array([(0, 0, 0, 0., 0., 0, 0, 0, 0, 0, 0, 0., 0., 0., 0., 0., 0., 0., 0., 0, 0, 0, 0., 0., 0, 0., 0., 0., 0., 0., 0., 0., 0.),\n",
       "           (0, 0, 0, 0., 0., 0, 0, 0, 0, 0, 0, 0., 0., 0., 0., 0., 0., 0., 0., 0, 0, 0, 0., 0., 0, 0., 0., 0., 0., 0., 0., 0., 0.),\n",
       "           (0, 0, 0, 0., 0., 0, 0, 0, 0, 0, 0, 0., 0., 0., 0., 0., 0., 0., 0., 0, 0, 0, 0., 0., 0, 0., 0., 0., 0., 0., 0., 0., 0.)],\n",
       "          dtype=[('k', '<i8'), ('i', '<i8'), ('j', '<i8'), ('ztop', '<f4'), ('zbotm', '<f4'), ('wellid', 'O'), ('losstype', 'O'), ('pumploc', '<i8'), ('qlimit', '<i8'), ('ppflag', '<i8'), ('pumpcap', '<i8'), ('rw', '<f4'), ('rskin', '<f4'), ('kskin', '<f4'), ('B', '<f4'), ('C', '<f4'), ('P', '<f4'), ('cwc', '<f4'), ('pp', '<f4'), ('pumplay', '<i8'), ('pumprow', '<i8'), ('pumpcol', '<i8'), ('zpump', '<f4'), ('hlim', '<f4'), ('qcut', '<i8'), ('qfrcmn', '<f4'), ('qfrcmx', '<f4'), ('hlift', '<f4'), ('liftq0', '<f4'), ('liftqmax', '<f4'), ('hwtol', '<f4'), ('liftn', '<f4'), ('qn', '<f4')])"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "node_data = tmp.get_empty_node_data(3)\n",
    "node_data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Mnw objects\n",
    "at the base of the flopy mnw2 module is the **Mnw** object class, which describes a single multi-node well.\n",
    "A list or dict of **Mnw** objects can be used to build a package (using the example above):\n",
    "```\n",
    "flopy.modflow.ModflowMnw2(model=m, mnwmax=2,\n",
    "                 mnw=<dict or list of Mnw objects>,\n",
    "                 itmp=[1, 1, -1], # reuse second per pumping for last stress period\n",
    "                 )\n",
    "```\n",
    "or if node_data and stress_period_data are supplied, the **Mnw** objects are created on initialization of the ModflowMnw2 class instance, and assigned to the ```.mnw``` attribute, as items in a dictionary keyed by ```wellid```."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'well1': <flopy.modflow.mfmnw2.Mnw at 0x11a9af8e0>,\n",
       " 'well2': <flopy.modflow.mfmnw2.Mnw at 0x11a9af940>}"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mnw2.mnw"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'nper': 3,\n",
       " 'mnwpackage': \n",
       "     Multi-Node Well 2 Package Class\n",
       " \n",
       "     Parameters\n",
       "     ----------\n",
       "     model : model object\n",
       "         The model object (of type :class:'flopy.modflow.mf.Modflow') to which\n",
       "         this package will be added.\n",
       "     mnwmax : int\n",
       "         The absolute value of MNWMAX is the maximum number of multi-node wells\n",
       "         (MNW) to be simulated. If MNWMAX is a negative number, NODTOT is read.\n",
       "     nodtot : int\n",
       "         Maximum number of nodes.\n",
       "         The code automatically estimates the maximum number of nodes (NODTOT)\n",
       "         as required for allocation of arrays. However, if a large number of\n",
       "         horizontal wells are being simulated, or possibly for other reasons,\n",
       "         this default estimate proves to be inadequate, a new input option has\n",
       "         been added to allow the user to directly specify a value for NODTOT.\n",
       "         If this is a desired option, then it can be implemented by specifying\n",
       "         a negative value for \"MNWMAX\"--the first value listed in Record 1\n",
       "         (Line 1) of the MNW2 input data file. If this is done, then the code\n",
       "         will assume that the very next value on that line will be the desired\n",
       "         value of \"NODTOT\". The model will then reset \"MNWMAX\" to its absolute\n",
       "         value. The value of \"ipakcb\" will become the third value on that\n",
       "         line, etc.\n",
       "     ipakcb : int\n",
       "         is a flag and a unit number:\n",
       "             if ipakcb > 0, then it is the unit number to which MNW cell-by-cell\n",
       "             flow terms will be recorded whenever cell-by-cell budget data are\n",
       "             written to a file (as determined by the outputcontrol options of\n",
       "             MODFLOW).\n",
       "             if ipakcb = 0, then MNW cell-by-cell flow terms will not be printed\n",
       "                 or recorded.\n",
       "             if ipakcb < 0, then well injection or withdrawal rates and water\n",
       "                 levels in the well and its multiple cells will be printed in\n",
       "                 the main MODFLOW listing (output) file whenever cell-by-cell\n",
       "                 budget data are written to a file (as determined by the output\n",
       "                 control options of MODFLOW).\n",
       "     mnwprnt : integer\n",
       "         Flag controlling the level of detail of information about multi-node\n",
       "         wells to be written to the main MODFLOW listing (output) file.\n",
       "         If MNWPRNT = 0, then only basic well information will be printed in\n",
       "         the main MODFLOW output file; increasing the value of MNWPRNT yields\n",
       "         more information, up to a maximum level of detail corresponding\n",
       "         with MNWPRNT = 2. (default is 0)\n",
       "     aux : list of strings\n",
       "         (listed as \"OPTION\" in MNW2 input instructions)\n",
       "         is an optional list of character values in the style of \"AUXILIARY abc\"\n",
       "         or \"AUX abc\" where \"abc\" is the name of an auxiliary parameter to be\n",
       "         read for each multi-node well as part of dataset 4a. Up to 20\n",
       "         parameters can be specified, each of which must be preceded by\n",
       "         \"AUXILIARY\" or \"AUX.\" These parameters will not be used by the MNW2\n",
       "         Package, but they will be available for use by other packages.\n",
       "         (default is None)\n",
       "     node_data : numpy record array\n",
       "         master table describing multi-node wells in package. Same format as\n",
       "         node_data tables for each Mnw object. See Mnw class documentation for\n",
       "         more information.\n",
       "     mnw : list or dict of Mnw objects\n",
       "         Can be supplied instead of node_data and stress_period_data tables\n",
       "         (in which case the tables are constructed from the Mnw objects).\n",
       "         Otherwise the a dict of Mnw objects (keyed by wellid) is constructed\n",
       "         from the tables.\n",
       "     stress_period_data : dict of numpy record arrays\n",
       "         master dictionary of record arrays (keyed by stress period) containing\n",
       "         transient input for multi-node wells. Format is the same as stress\n",
       "         period data for individual Mnw objects, except the 'per' column is\n",
       "         replaced by 'wellid' (containing wellid for each MNW). See Mnw class\n",
       "         documentation for more information.\n",
       "     itmp : list of ints\n",
       "         is an integer value for reusing or reading multi-node well data; it\n",
       "         can change each stress period. ITMP must be >= 0 for the first stress\n",
       "         period of a simulation.\n",
       "         if ITMP > 0, then ITMP is the total number of active multi-node wells\n",
       "             simulated during the stress period, and only wells listed in\n",
       "             dataset 4a will be active during the stress period. Characteristics\n",
       "             of each well are defined in datasets 2 and 4.\n",
       "         if ITMP = 0, then no multi-node wells are active for the stress period\n",
       "             and the following dataset is skipped.\n",
       "         if ITMP < 0, then the same number of wells and well information will\n",
       "             be reused from the previous stress period and dataset 4 is skipped.\n",
       "     extension : string\n",
       "         Filename extension (default is 'mnw2')\n",
       "     unitnumber : int\n",
       "         File unit number (default is None).\n",
       "     filenames : str or list of str\n",
       "         Filenames to use for the package and the output files. If\n",
       "         filenames=None the package name will be created using the model name\n",
       "         and package extension and the cbc output name will be created using\n",
       "         the model name and .cbc extension (for example, modflowtest.cbc),\n",
       "         if ipakcbc is a number greater than zero. If a single string is passed\n",
       "         the package will be set to the string and cbc output names will be\n",
       "         created using the model name and .cbc extension, if ipakcbc is a\n",
       "         number greater than zero. To define the names for all package files\n",
       "         (input and output) the length of the list of strings should be 2.\n",
       "         Default is None.\n",
       "     gwt : boolean\n",
       "         Flag indicating whether GW transport process is active\n",
       " \n",
       "     Attributes\n",
       "     ----------\n",
       " \n",
       "     Methods\n",
       "     -------\n",
       " \n",
       "     See Also\n",
       "     --------\n",
       " \n",
       "     Notes\n",
       "     -----\n",
       " \n",
       "     Examples\n",
       "     --------\n",
       " \n",
       "     >>> import flopy\n",
       "     >>> ml = flopy.modflow.Modflow()\n",
       "     >>> mnw2 = flopy.modflow.ModflowMnw2(ml, ...)\n",
       " \n",
       "      _name = MNW2\n",
       "  _parent = MODFLOW 3 layer(s) 5 row(s) 5 column(s) 3 stress period(s) ('flopy.modflow.mf.Modflow)\n",
       "  acceptable_dtypes (list, items = 3)\n",
       "  allowDuplicates = False ('bool)\n",
       "  aux (list, items = 0)\n",
       "  extra = \n",
       "  file_name = mnw2example.mnw2\n",
       "  fn_path = data/mnw2example.mnw2 ('str)\n",
       "  gwt = False ('bool)\n",
       "  ipakcb = 0 ('int)\n",
       "  itmp (list, items = 3)\n",
       "  mnw = {'well1': <flopy.modflow.mfmnw2.Mnw object at 0x11a9af8e0>, 'well2': <flopy.modflow.mfmnw2.Mnw object at 0x11a9af940>} ('dict)\n",
       "  mnwmax = 2 ('int)\n",
       "  mnwprnt = 0 ('int)\n",
       "  node_data (array, shape = 3,)\n",
       "  nodtot = 3 ('int)\n",
       "  nper = 3 ('int)\n",
       "  stress_period_data = <flopy.utils.util_list.MfList object at 0x11a9af910> ('flopy.utils.util_list.MfList)\n",
       "  structured = True ('bool)\n",
       "  unit_number = 34,\n",
       " 'aux': [],\n",
       " 'wellid': 'well1',\n",
       " 'nnodes': -2,\n",
       " 'losstype': 'skin',\n",
       " 'pumploc': -1,\n",
       " 'qlimit': 0,\n",
       " 'ppflag': 0,\n",
       " 'pumpcap': 0,\n",
       " 'rw': [1.0, 0.5],\n",
       " 'rskin': [2.0, 2.0],\n",
       " 'kskin': [5.0, 5.0],\n",
       " 'B': [None],\n",
       " 'C': [0],\n",
       " 'P': [2.0],\n",
       " 'cwc': [None],\n",
       " 'pp': [1],\n",
       " 'k': [0],\n",
       " 'i': [1, 1],\n",
       " 'j': [1, 1],\n",
       " 'ztop': [9.5, 7.1],\n",
       " 'zbotm': [7.1, 5.1],\n",
       " 'pumplay': 0,\n",
       " 'pumprow': 0,\n",
       " 'pumpcol': 0,\n",
       " 'zpump': 6.2,\n",
       " 'hlim': None,\n",
       " 'qcut': None,\n",
       " 'qfrcmn': None,\n",
       " 'qfrcmx': None,\n",
       " 'hlift': None,\n",
       " 'liftq0': None,\n",
       " 'liftqmax': None,\n",
       " 'hwtol': None,\n",
       " 'liftn': None,\n",
       " 'qn': None,\n",
       " 'stress_period_data': rec.array([(0, 1, 1, 0,   0., 0, 0., 0., 0, 0., 0.),\n",
       "            (0, 1, 1, 1, 100., 0, 0., 0., 0, 0., 0.),\n",
       "            (0, 1, 1, 1, 100., 0, 0., 0., 0, 0., 0.)],\n",
       "           dtype=[('k', '<i8'), ('i', '<i8'), ('j', '<i8'), ('per', '<i8'), ('qdes', '<f4'), ('capmult', '<i8'), ('cprime', '<f4'), ('hlim', '<f4'), ('qcut', '<i8'), ('qfrcmn', '<f4'), ('qfrcmx', '<f4')]),\n",
       " 'node_data': rec.array([(0, 1, 1, 9.5, 7.1, 'well1', 'skin', -1, 0, 0, 0, 1. , 2., 5., 0., 0., 0., 0., 0., 0, 0, 0, 6.2, 0., 0, 0., 0., 0., 0., 0., 0., 0., 0.),\n",
       "            (0, 1, 1, 7.1, 5.1, 'well1', 'skin', -1, 0, 0, 0, 0.5, 2., 5., 0., 0., 0., 0., 0., 0, 0, 0, 6.2, 0., 0, 0., 0., 0., 0., 0., 0., 0., 0.)],\n",
       "           dtype=[('k', '<i8'), ('i', '<i8'), ('j', '<i8'), ('ztop', '<f4'), ('zbotm', '<f4'), ('wellid', 'O'), ('losstype', 'O'), ('pumploc', '<i8'), ('qlimit', '<i8'), ('ppflag', '<i8'), ('pumpcap', '<i8'), ('rw', '<f4'), ('rskin', '<f4'), ('kskin', '<f4'), ('B', '<f4'), ('C', '<f4'), ('P', '<f4'), ('cwc', '<f4'), ('pp', '<f4'), ('pumplay', '<i8'), ('pumprow', '<i8'), ('pumpcol', '<i8'), ('zpump', '<f4'), ('hlim', '<f4'), ('qcut', '<i8'), ('qfrcmn', '<f4'), ('qfrcmx', '<f4'), ('hlift', '<f4'), ('liftq0', '<f4'), ('liftqmax', '<f4'), ('hwtol', '<f4'), ('liftn', '<f4'), ('qn', '<f4')])}"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mnw2.mnw['well1'].__dict__"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Note that Mnw object attributes for variables that vary by node are lists (e.g. ``rw`` above)\n",
    "\n",
    "#### Each Mnw object has its own ``node_data`` and ``stress_period_data``"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>ztop</th>\n",
       "      <th>zbotm</th>\n",
       "      <th>wellid</th>\n",
       "      <th>losstype</th>\n",
       "      <th>pumploc</th>\n",
       "      <th>qlimit</th>\n",
       "      <th>ppflag</th>\n",
       "      <th>...</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "      <th>hlift</th>\n",
       "      <th>liftq0</th>\n",
       "      <th>liftqmax</th>\n",
       "      <th>hwtol</th>\n",
       "      <th>liftn</th>\n",
       "      <th>qn</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>9.5</td>\n",
       "      <td>7.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>7.1</td>\n",
       "      <td>5.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>2 rows × 33 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j  ztop  zbotm wellid losstype  pumploc  qlimit  ppflag  ...  hlim  \\\n",
       "0  0  1  1   9.5    7.1  well1     skin       -1       0       0  ...   0.0   \n",
       "1  0  1  1   7.1    5.1  well1     skin       -1       0       0  ...   0.0   \n",
       "\n",
       "   qcut  qfrcmn  qfrcmx  hlift  liftq0  liftqmax  hwtol  liftn   qn  \n",
       "0     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "1     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "\n",
       "[2 rows x 33 columns]"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2.mnw['well1'].node_data)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Instead of a dict keyed by stress period, Mnw.stress_period_data is a recarray with pumping data listed by stress period for that well\n",
    "* note that data for period 2, where ``itmp`` < 1, is shown (was copied from s.p. 1 during construction of the **Mnw** object)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>per</th>\n",
       "      <th>qdes</th>\n",
       "      <th>capmult</th>\n",
       "      <th>cprime</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
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       "      <td>0.0</td>\n",
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       "      <td>0.0</td>\n",
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       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>1</td>\n",
       "      <td>1000.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>1</td>\n",
       "      <td>1000.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j  per    qdes  capmult  cprime  hlim  qcut  qfrcmn  qfrcmx\n",
       "0  0  3  3    0     0.0        0     0.0   0.0     0     0.0     0.0\n",
       "1  0  3  3    1  1000.0        0     0.0   0.0     0     0.0     0.0\n",
       "2  0  3  3    1  1000.0        0     0.0   0.0     0     0.0     0.0"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2.mnw['well2'].stress_period_data)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Build the same package using only the ``Mnw`` objects"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "mnw2fromobj = flopy.modflow.ModflowMnw2(model=m, mnwmax=2,\n",
    "                 mnw=mnw2.mnw,\n",
    "                 itmp=[2, 2, -1], # reuse second per pumping for last stress period\n",
    "                 )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>ztop</th>\n",
       "      <th>zbotm</th>\n",
       "      <th>wellid</th>\n",
       "      <th>losstype</th>\n",
       "      <th>pumploc</th>\n",
       "      <th>qlimit</th>\n",
       "      <th>ppflag</th>\n",
       "      <th>...</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "      <th>hlift</th>\n",
       "      <th>liftq0</th>\n",
       "      <th>liftqmax</th>\n",
       "      <th>hwtol</th>\n",
       "      <th>liftn</th>\n",
       "      <th>qn</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>9.5</td>\n",
       "      <td>7.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>7.1</td>\n",
       "      <td>5.1</td>\n",
       "      <td>well1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>9.1</td>\n",
       "      <td>3.7</td>\n",
       "      <td>well2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>3 rows × 33 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j  ztop  zbotm wellid losstype  pumploc  qlimit  ppflag  ...  hlim  \\\n",
       "0  0  1  1   9.5    7.1  well1     skin       -1       0       0  ...   0.0   \n",
       "1  0  1  1   7.1    5.1  well1     skin       -1       0       0  ...   0.0   \n",
       "2  0  3  3   9.1    3.7  well2     skin       -1       0       0  ...   0.0   \n",
       "\n",
       "   qcut  qfrcmn  qfrcmx  hlift  liftq0  liftqmax  hwtol  liftn   qn  \n",
       "0     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "1     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "2     0     0.0     0.0    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "\n",
       "[3 rows x 33 columns]"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2fromobj.node_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "</style>\n",
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       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>wellid</th>\n",
       "      <th>qdes</th>\n",
       "      <th>capmult</th>\n",
       "      <th>cprime</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
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       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
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       "      <td>well1</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>well2</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j wellid  qdes  capmult  cprime  hlim  qcut  qfrcmn  qfrcmx\n",
       "0  0  1  1  well1   0.0        0     0.0   0.0     0     0.0     0.0\n",
       "1  0  3  3  well2   0.0        0     0.0   0.0     0     0.0     0.0"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2fromobj.stress_period_data[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
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       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>wellid</th>\n",
       "      <th>qdes</th>\n",
       "      <th>capmult</th>\n",
       "      <th>cprime</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
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       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>well1</td>\n",
       "      <td>100.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>0</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>well2</td>\n",
       "      <td>1000.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   k  i  j wellid    qdes  capmult  cprime  hlim  qcut  qfrcmn  qfrcmx\n",
       "0  0  1  1  well1   100.0        0     0.0   0.0     0     0.0     0.0\n",
       "1  0  3  3  well2  1000.0        0     0.0   0.0     0     0.0     0.0"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2fromobj.stress_period_data[1])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### By default, the ``node_data`` and ``stress_period_data`` tables attached to the ``ModflowMnw2`` package class are definitive\n",
    "* on writing of the package output (``mnw2.write_file()``), the **Mnw** objects are regenerated from the tables. This setting is controlled by the default argument ``use_tables=True``. To write the package file using the **Mnw** objects (ignoring the tables), use ``mnw2.write_file(use_tables=False)``. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "rec.array([(0, 0, 0, 0, 0., 0, 0., 0., 0, 0., 0.),\n",
       "           (0, 0, 0, 0, 0., 0, 0., 0., 0, 0., 0.)],\n",
       "          dtype=[('k', '<i8'), ('i', '<i8'), ('j', '<i8'), ('wellid', 'O'), ('qdes', '<f4'), ('capmult', '<i8'), ('cprime', '<f4'), ('hlim', '<f4'), ('qcut', '<i8'), ('qfrcmn', '<f4'), ('qfrcmx', '<f4')])"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "per1 = flopy.modflow.ModflowMnw2.get_empty_stress_period_data(itmp=2)\n",
    "per1"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Write an MNW2 package file and inspect the results"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [],
   "source": [
    "mnw2.write_file(os.path.join('data/test.mnw2'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "# MNW2 package for  MODFLOW-2005, generated by Flopy.\n",
      "2 0 0\n",
      "well1 -2\n",
      "            skin -1 0 0 0\n",
      "              -1.0000000E+00    2.0000000E+00    5.0000000E+00\n",
      "               9.5000000E+00    7.0999999E+00 2 2    1.0000000E+00\n",
      "               7.0999999E+00    5.0999999E+00 2 2    5.0000000E-01\n",
      "               6.1999998E+00\n",
      "well2 -1\n",
      "            skin -1 0 0 0\n",
      "               1.0000000E+00    2.0000000E+00    5.0000000E+00\n",
      "               9.1000004E+00    3.7000000E+00 4 4\n",
      "               4.0999999E+00\n",
      "2  Stress Period 1\n",
      "well1    0.0000000E+00\n",
      "well2    0.0000000E+00\n",
      "2  Stress Period 2\n",
      "well1    1.0000000E+02\n",
      "well2    1.0000000E+03\n",
      "-1  Stress Period 3\n"
     ]
    }
   ],
   "source": [
    "junk = [print(l.strip('\\n')) for l in open('data/test.mnw2').readlines()]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Load some example MNW2 packages"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [],
   "source": [
    "path = os.path.join('..', '..', 'examples', 'data', 'mnw2_examples')\n",
    "cpth = os.path.join('..', '..', 'autotest', 'data')\n",
    "m = flopy.modflow.Modflow('MNW2-Fig28', model_ws=cpth)\n",
    "dis = flopy.modflow.ModflowDis.load(os.path.join(path, 'MNW2-Fig28.dis'), m)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['DIS']"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "m.get_package_list()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [],
   "source": [
    "mnw2pth = os.path.join(path, 'MNW2-Fig28.mnw2')\n",
    "mnw2 = flopy.modflow.ModflowMnw2.load(mnw2pth, m)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>k</th>\n",
       "      <th>i</th>\n",
       "      <th>j</th>\n",
       "      <th>ztop</th>\n",
       "      <th>zbotm</th>\n",
       "      <th>wellid</th>\n",
       "      <th>losstype</th>\n",
       "      <th>pumploc</th>\n",
       "      <th>qlimit</th>\n",
       "      <th>ppflag</th>\n",
       "      <th>...</th>\n",
       "      <th>hlim</th>\n",
       "      <th>qcut</th>\n",
       "      <th>qfrcmn</th>\n",
       "      <th>qfrcmx</th>\n",
       "      <th>hlift</th>\n",
       "      <th>liftq0</th>\n",
       "      <th>liftqmax</th>\n",
       "      <th>hwtol</th>\n",
       "      <th>liftn</th>\n",
       "      <th>qn</th>\n",
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       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>0</td>\n",
       "      <td>29</td>\n",
       "      <td>40</td>\n",
       "      <td>-5.0</td>\n",
       "      <td>-65.0</td>\n",
       "      <td>well-a</td>\n",
       "      <td>skin</td>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "      <td>...</td>\n",
       "      <td>-7.5</td>\n",
       "      <td>-1</td>\n",
       "      <td>0.1</td>\n",
       "      <td>0.15</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1 rows × 33 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   k   i   j  ztop  zbotm  wellid losstype  pumploc  qlimit  ppflag  ...  \\\n",
       "0  0  29  40  -5.0  -65.0  well-a     skin        0       1       0  ...   \n",
       "\n",
       "   hlim  qcut  qfrcmn  qfrcmx  hlift  liftq0  liftqmax  hwtol  liftn   qn  \n",
       "0  -7.5    -1     0.1    0.15    0.0     0.0       0.0    0.0    0.0  0.0  \n",
       "\n",
       "[1 rows x 33 columns]"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.DataFrame(mnw2.node_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
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     "execution_count": 29,
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    "pd.DataFrame(mnw2.stress_period_data[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'well-a': <flopy.modflow.mfmnw2.Mnw at 0x11a92b910>}"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
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    "mnw2.mnw"
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   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
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       "2  0  29  40    2 -10000.0        0     0.0   0.0     0     0.0     0.0"
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     "execution_count": 31,
     "metadata": {},
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   "source": [
    "pd.DataFrame(mnw2.mnw['well-a'].stress_period_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "path = os.path.join('..', '..', 'examples', 'data', 'mnw2_examples')\n",
    "cpth = os.path.join('data')\n",
    "m = flopy.modflow.Modflow('br', model_ws=cpth)\n",
    "mnw2 = flopy.modflow.ModflowMnw2.load(path + '/BadRiver_cal.mnw2', m)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
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       "      <td>160.119995</td>\n",
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       "      <th>2</th>\n",
       "      <td>175</td>\n",
       "      <td>342</td>\n",
       "      <td>400.220001</td>\n",
       "      <td>312.220001</td>\n",
       "      <td>br_diaperville1</td>\n",
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       "      <td>10.0</td>\n",
       "      <td>313.220001</td>\n",
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       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>174</td>\n",
       "      <td>342</td>\n",
       "      <td>399.119995</td>\n",
       "      <td>312.119995</td>\n",
       "      <td>br_diaperville2</td>\n",
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       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>313.119995</td>\n",
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       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>248</td>\n",
       "      <td>454</td>\n",
       "      <td>565.200012</td>\n",
       "      <td>555.200012</td>\n",
       "      <td>br_franks1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>556.200012</td>\n",
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       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>249</td>\n",
       "      <td>453</td>\n",
       "      <td>564.419983</td>\n",
       "      <td>554.419983</td>\n",
       "      <td>br_franks2</td>\n",
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       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>555.419983</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>180</td>\n",
       "      <td>396</td>\n",
       "      <td>453.959991</td>\n",
       "      <td>447.959991</td>\n",
       "      <td>br_odanah1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>448.959991</td>\n",
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       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>181</td>\n",
       "      <td>395</td>\n",
       "      <td>450.559998</td>\n",
       "      <td>444.559998</td>\n",
       "      <td>br_odanah2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>445.559998</td>\n",
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       "      <th>8</th>\n",
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       "      <td>395</td>\n",
       "      <td>380.489990</td>\n",
       "      <td>371.489990</td>\n",
       "      <td>br_odanah3</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>372.489990</td>\n",
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       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>180</td>\n",
       "      <td>396</td>\n",
       "      <td>450.739990</td>\n",
       "      <td>444.739990</td>\n",
       "      <td>br_odanah4</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>445.739990</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>170</td>\n",
       "      <td>350</td>\n",
       "      <td>475.410004</td>\n",
       "      <td>472.410004</td>\n",
       "      <td>br_oldschool</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>473.410004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>172</td>\n",
       "      <td>312</td>\n",
       "      <td>377.410004</td>\n",
       "      <td>348.410004</td>\n",
       "      <td>br_recycle</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>349.410004</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>216</td>\n",
       "      <td>412</td>\n",
       "      <td>562.200012</td>\n",
       "      <td>542.200012</td>\n",
       "      <td>br_unspec</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>543.200012</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>516</td>\n",
       "      <td>424</td>\n",
       "      <td>1079.910034</td>\n",
       "      <td>1072.910034</td>\n",
       "      <td>cfsp_ncp1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1073.910034</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>515</td>\n",
       "      <td>424</td>\n",
       "      <td>1077.900024</td>\n",
       "      <td>1074.900024</td>\n",
       "      <td>cfsp_ncp2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1075.900024</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>539</td>\n",
       "      <td>415</td>\n",
       "      <td>1093.010010</td>\n",
       "      <td>1003.010010</td>\n",
       "      <td>cfsp_of</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1004.010010</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>360</td>\n",
       "      <td>2</td>\n",
       "      <td>706.330017</td>\n",
       "      <td>699.330017</td>\n",
       "      <td>hayward_bait_n</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>700.330017</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>360</td>\n",
       "      <td>6</td>\n",
       "      <td>705.289978</td>\n",
       "      <td>698.289978</td>\n",
       "      <td>hayward_bait_ne</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>699.289978</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>362</td>\n",
       "      <td>4</td>\n",
       "      <td>696.979980</td>\n",
       "      <td>689.979980</td>\n",
       "      <td>hayward_bait_of</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>690.979980</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>456</td>\n",
       "      <td>699</td>\n",
       "      <td>1352.050049</td>\n",
       "      <td>1342.050049</td>\n",
       "      <td>ironbelt2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1343.050049</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>456</td>\n",
       "      <td>699</td>\n",
       "      <td>1350.439941</td>\n",
       "      <td>1343.439941</td>\n",
       "      <td>ironbelt3</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1344.439941</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>599</td>\n",
       "      <td>414</td>\n",
       "      <td>1198.839966</td>\n",
       "      <td>1188.839966</td>\n",
       "      <td>mellen2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1189.839966</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>576</td>\n",
       "      <td>408</td>\n",
       "      <td>1151.599976</td>\n",
       "      <td>1131.599976</td>\n",
       "      <td>mellen3</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>1132.599976</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>253</td>\n",
       "      <td>149</td>\n",
       "      <td>622.179993</td>\n",
       "      <td>602.179993</td>\n",
       "      <td>milestone</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>603.179993</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>208</td>\n",
       "      <td>148</td>\n",
       "      <td>520.119995</td>\n",
       "      <td>500.119995</td>\n",
       "      <td>nsp</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>501.119995</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>80</td>\n",
       "      <td>162</td>\n",
       "      <td>535.299988</td>\n",
       "      <td>30.299999</td>\n",
       "      <td>washburn1</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>31.299999</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>91</td>\n",
       "      <td>143</td>\n",
       "      <td>541.280029</td>\n",
       "      <td>-67.720001</td>\n",
       "      <td>washburn2</td>\n",
       "      <td>skin</td>\n",
       "      <td>-1</td>\n",
       "      <td>1.0</td>\n",
       "      <td>2.0</td>\n",
       "      <td>10.0</td>\n",
       "      <td>-66.720001</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "      i    j         ztop        zbotm           wellid losstype  pumploc  \\\n",
       "0   294  503   181.630005   161.630005        br_birch1     skin       -1   \n",
       "1   295  503   179.119995   159.119995        br_birch2     skin       -1   \n",
       "2   175  342   400.220001   312.220001  br_diaperville1     skin       -1   \n",
       "3   174  342   399.119995   312.119995  br_diaperville2     skin       -1   \n",
       "4   248  454   565.200012   555.200012       br_franks1     skin       -1   \n",
       "5   249  453   564.419983   554.419983       br_franks2     skin       -1   \n",
       "6   180  396   453.959991   447.959991       br_odanah1     skin       -1   \n",
       "7   181  395   450.559998   444.559998       br_odanah2     skin       -1   \n",
       "8   181  395   380.489990   371.489990       br_odanah3     skin       -1   \n",
       "9   180  396   450.739990   444.739990       br_odanah4     skin       -1   \n",
       "10  170  350   475.410004   472.410004     br_oldschool     skin       -1   \n",
       "11  172  312   377.410004   348.410004       br_recycle     skin       -1   \n",
       "12  216  412   562.200012   542.200012        br_unspec     skin       -1   \n",
       "13  516  424  1079.910034  1072.910034        cfsp_ncp1     skin       -1   \n",
       "14  515  424  1077.900024  1074.900024        cfsp_ncp2     skin       -1   \n",
       "15  539  415  1093.010010  1003.010010          cfsp_of     skin       -1   \n",
       "16  360    2   706.330017   699.330017   hayward_bait_n     skin       -1   \n",
       "17  360    6   705.289978   698.289978  hayward_bait_ne     skin       -1   \n",
       "18  362    4   696.979980   689.979980  hayward_bait_of     skin       -1   \n",
       "19  456  699  1352.050049  1342.050049        ironbelt2     skin       -1   \n",
       "20  456  699  1350.439941  1343.439941        ironbelt3     skin       -1   \n",
       "21  599  414  1198.839966  1188.839966          mellen2     skin       -1   \n",
       "22  576  408  1151.599976  1131.599976          mellen3     skin       -1   \n",
       "23  253  149   622.179993   602.179993        milestone     skin       -1   \n",
       "24  208  148   520.119995   500.119995              nsp     skin       -1   \n",
       "25   80  162   535.299988    30.299999        washburn1     skin       -1   \n",
       "26   91  143   541.280029   -67.720001        washburn2     skin       -1   \n",
       "\n",
       "     rw  rskin  kskin        zpump  \n",
       "0   1.0    2.0   10.0   162.630005  \n",
       "1   1.0    2.0   10.0   160.119995  \n",
       "2   1.0    2.0   10.0   313.220001  \n",
       "3   1.0    2.0   10.0   313.119995  \n",
       "4   1.0    2.0   10.0   556.200012  \n",
       "5   1.0    2.0   10.0   555.419983  \n",
       "6   1.0    2.0   10.0   448.959991  \n",
       "7   1.0    2.0   10.0   445.559998  \n",
       "8   1.0    2.0   10.0   372.489990  \n",
       "9   1.0    2.0   10.0   445.739990  \n",
       "10  1.0    2.0   10.0   473.410004  \n",
       "11  1.0    2.0   10.0   349.410004  \n",
       "12  1.0    2.0   10.0   543.200012  \n",
       "13  1.0    2.0   10.0  1073.910034  \n",
       "14  1.0    2.0   10.0  1075.900024  \n",
       "15  1.0    2.0   10.0  1004.010010  \n",
       "16  1.0    2.0   10.0   700.330017  \n",
       "17  1.0    2.0   10.0   699.289978  \n",
       "18  1.0    2.0   10.0   690.979980  \n",
       "19  1.0    2.0   10.0  1343.050049  \n",
       "20  1.0    2.0   10.0  1344.439941  \n",
       "21  1.0    2.0   10.0  1189.839966  \n",
       "22  1.0    2.0   10.0  1132.599976  \n",
       "23  1.0    2.0   10.0   603.179993  \n",
       "24  1.0    2.0   10.0   501.119995  \n",
       "25  1.0    2.0   10.0    31.299999  \n",
       "26  1.0    2.0   10.0   -66.720001  "
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df = pd.DataFrame(mnw2.node_data)\n",
    "df.loc[:, df.sum(axis=0) != 0]"
   ]
  }
 ],
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