{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import k3d\n",
    "\n",
    "vertices = [\n",
    "    -10, 0, -1,\n",
    "    10, 0, -1,\n",
    "    10, 0, 1,\n",
    "    -10, 0, 1,\n",
    "]\n",
    "\n",
    "indices = [\n",
    "    0, 1, 3,\n",
    "    1, 2, 3\n",
    "]\n",
    "\n",
    "plot = k3d.plot()\n",
    "plot += k3d.mesh(vertices, indices)\n",
    "plot.display()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "from ipywidgets import widgets,interact\n",
    "\n",
    "vertex_attribute = [0, 1, 1, 0]\n",
    "\n",
    "plot = k3d.plot()\n",
    "mesh = k3d.mesh(vertices, indices, attribute=vertex_attribute, color_map=k3d.basic_color_maps.CoolWarm, color_range=[0.0, 1.0])\n",
    "plot += mesh\n",
    "\n",
    "basic_color_maps = [attr for attr in dir(k3d.basic_color_maps) if not attr.startswith('__')]\n",
    "paraview_color_maps = [attr for attr in dir(k3d.paraview_color_maps) if not attr.startswith('__')]\n",
    "matplotlib_color_maps = [attr for attr in dir(k3d.matplotlib_color_maps) if not attr.startswith('__')]\n",
    "\n",
    "@interact(x=widgets.Dropdown(options=basic_color_maps, value=basic_color_maps[0], description='Basic ColorMap:'))\n",
    "def g(x):\n",
    "    mesh.color_map = getattr(k3d.basic_color_maps, x)\n",
    "\n",
    "@interact(x=widgets.Dropdown(options=paraview_color_maps, value=paraview_color_maps[0], description='ParaView ColorMap:'))\n",
    "def g(x):\n",
    "    mesh.color_map = getattr(k3d.paraview_color_maps, x)\n",
    "    \n",
    "@interact(x=widgets.Dropdown(options=matplotlib_color_maps, value=matplotlib_color_maps[0], description='MatplolLib ColorMap:'))\n",
    "def g(x):\n",
    "    mesh.color_map = getattr(k3d.matplotlib_color_maps, x)\n",
    "\n",
    "plot.display()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# show vertex numbers:\n",
    "import numpy as np\n",
    "v = np.array(vertices).reshape((len(vertices)//3, 3))\n",
    "for i, pos in enumerate(v):\n",
    "    plot += k3d.text(text=str(i), position=pos, color=0, reference_point='cc')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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