check_sinogram.ipynb

{
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  {
   "cell_type": "markdown",
   "id": "98845dbc",
   "metadata": {},
   "source": [
    "# Simple interactive sinogram check\n",
    "Notebook author: Felipe Delestro (fima@dtu.dk)\n",
    "\n",
    "This Notebooks provides a simple interactive sinogram visualization"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "4f4a0b0c",
   "metadata": {},
   "outputs": [],
   "source": [
    "    import qim3d\n",
    "    import matplotlib.pyplot as plt\n",
    "    import ipywidgets"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "6c539f03",
   "metadata": {},
   "outputs": [],
   "source": [
    "vol = qim3d.io.load(\"../resources/img3d/small_foram.h5\", dataset_name=\"exchange/data\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "455a5e35",
   "metadata": {},
   "outputs": [],
   "source": [
    "def plot_sinogram(vol, zpos, ypos):\n",
    "    fig, axs = plt.subplots(nrows=1, ncols=2, figsize=(8,10), sharey=True)\n",
    "    \n",
    "    axs[0].imshow(vol[zpos,:,:])\n",
    "    axs[0].axhline(ypos, color=\"#FF6633\")\n",
    "    axs[0].axis(\"off\")\n",
    "    \n",
    "    axs[1].imshow(vol[:,ypos,:])\n",
    "    axs[1].axis(\"off\")\n",
    "    \n",
    "    plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "634512ff",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "5764f0764f034cfb9a78ff7dd4d9ade7",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "interactive(children=(IntSlider(value=360, description='zpos', max=720), IntSlider(value=130, description='ypo…"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ipywidgets.interactive(plot_sinogram,\n",
    "                       vol = ipywidgets.fixed(vol),\n",
    "                       zpos = ipywidgets.IntSlider(min=0, max=vol.shape[0]-1, value=int(vol.shape[0]/2)),\n",
    "                       ypos = ipywidgets.IntSlider(min=0, max=vol.shape[1]-1, value=int(vol.shape[1]/2)))"
   ]
  }
 ],
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