{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Surface"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import k3d\n",
    "import numpy as np\n",
    "\n",
    "Nx = 30\n",
    "Ny = 60\n",
    "xmin, xmax = -3, 3\n",
    "ymin, ymax = -0, 3\n",
    "\n",
    "x = np.linspace(xmin, xmax, Nx)\n",
    "y = np.linspace(ymin, ymax, Ny)\n",
    "x, y = np.meshgrid(x, y)\n",
    "\n",
    "heights = np.sin(x**2 + y**2)\n",
    "\n",
    "plot = k3d.plot()\n",
    "plot += k3d.surface(heights.astype(np.float32), xmin=xmin, xmax=xmax, ymin=ymin, ymax=ymax)\n",
    "plot.display()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plot.objects[0].flat_shading = False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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  "kernelspec": {
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   "language": "python",
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  "language_info": {
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    "version": 3
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   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.6.5"
  },
  "widgets": {
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    "state": {
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      "model_module": "@jupyter-widgets/base",
      "model_module_version": "1.0.0",
      "model_name": "LayoutModel",
      "state": {}
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