Improve plotting example

Author: martinRenou

examples/plotting.ipynb

@@ -128,11 +128,12 @@
     "        # Draw scatter\n",
     "        n_marks = min(x.shape[0], y.shape[0], size.shape[0], color.shape[0])\n",
     "\n",
+    "        canvas.stroke_style = stroke_color\n",
+    "\n",
     "        for idx in range(n_marks):\n",
     "            canvas.begin_path()\n",
     "\n",
     "            canvas.fill_style = colormap(color[idx])\n",
-    "            canvas.stroke_style = stroke_color\n",
     "\n",
     "            canvas.arc(\n",
     "                scale_x(x[idx]), scale_y(y[idx]),\n",
@@ -323,6 +324,19 @@
     "VBox((power_plot, slider))"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "n = 1_000\n",
+    "x = np.linspace(0, 100, n)\n",
+    "y = np.cumsum(np.random.randn(n))\n",
+    "\n",
+    "line_plot(x, y, line_width=3)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},