diff --git a/doc/notebook/caribu_crops.ipynb b/doc/notebook/caribu_crops.ipynb
index dd67eb7..bbf6cad 100644
--- a/doc/notebook/caribu_crops.ipynb
+++ b/doc/notebook/caribu_crops.ipynb
@@ -9,7 +9,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -17,61 +17,32 @@
     "from openalea.caribu.data_samples import data_path\n",
     "\n",
     "can = str(data_path('f331s1_100plantes.can'))\n",
-    "sky = str(data_path('Turtle16soc.light'))\n",
+    "sky = str(data_path('zenith.light'))\n",
     "opts = list(map(str, [data_path('par.opt'), data_path('nir.opt')]))\n",
     "pattern = str(data_path('filter.8'))\n",
     "    \n",
     "# complete set of files\n",
-    "cs = CaribuScene(scene=can, light=sky, opt=opts, pattern=pattern)\n",
-    "raw,agg=cs.run(simplify=True)"
+    "cs = CaribuScene(scene=can, light=sky, opt=opts, pattern=pattern, scene_unit='cm')\n",
+    "raw,agg=cs.run(simplify=True, infinite=False)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
-    "scene,values = cs.plot(raw['par']['Ei'],display=False)"
+    "scene,values = cs.plot(raw['par']['Ei'], 0, 1, 0.2,display=False)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
-   "source": [
-    "import numpy as np\n",
-    "v99 = np.percentile(values, 99)\n",
-    "nvalues=np.array(values)\n",
-    "nvalues[nvalues>v99]=v99\n",
-    "values = nvalues.tolist()"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 6,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "2ea5592b7d7a4e60aa12b6a34c83ae59",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "Plot(antialias=3, axes=['x', 'y', 'z'], axes_helper=1.0, axes_helper_colors=[16711680, 65280, 255], background…"
-      ]
-     },
-     "execution_count": 6,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
    "source": [
     "from openalea.widgets.plantgl import *\n",
-    "PlantGL(scene, group_by_color=False, property=values, side='double')"
+    "PlantGL(scene, group_by_color=False, side='double')"
    ]
   },
   {
diff --git a/pyproject.toml b/pyproject.toml
index f8b2e5c..921438e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ test-dependencies = [
   "openalea.mtg"
 ]
 optional-dependencies = [
-  "openaalea.widgets"
+  "openalea.widgets"
 ]