From: Stefan Huber <shuber@sthu.org>
Date: Wed, 17 Apr 2024 14:56:14 +0000 (+0200)
Subject: ipynb: Update
X-Git-Url: https://git.sthu.org/?a=commitdiff_plain;h=ec09779b0a5485c361d81407ed2cdb426fbb362e;p=persistence.git

ipynb: Update
---

diff --git a/2Dpers.ipynb b/2Dpers.ipynb
index 898a094..9e162fb 100644
--- a/2Dpers.ipynb
+++ b/2Dpers.ipynb
@@ -7,6 +7,7 @@
    "outputs": [],
    "source": [
     "from scipy import misc\n",
+    "from PIL import Image\n",
     "import numpy as np\n",
     "import matplotlib.pyplot as plt\n",
     "\n",
@@ -22,7 +23,10 @@
    "outputs": [],
    "source": [
     "im = np.loadtxt('paws.numpy')\n",
-    "im = misc.imresize(im, 2.0)\n",
+    "print(\"pre shape:\", im.shape)\n",
+    "w, h = im.shape\n",
+    "im = np.array(Image.fromarray(im).resize((h*2, w*2)))\n",
+    "print(\"post shape:\", im.shape)\n",
     "im = im * (255 / np.max(im))"
    ]
   },
@@ -103,10 +107,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "fig = plt.figure()\n",
-    "ax = fig.gca(projection='3d')\n",
+    "fig = plt.figure(figsize=(6, 6))\n",
+    "ax = fig.add_subplot(111, projection='3d')\n",
+    "ax.set_zlim(0, 800)\n",
     "ax.plot_surface(xx, yy, im ,rstride=1, cstride=1, cmap=plt.cm.jet,\n",
-    "        linewidth=0)"
+    "        linewidth=0)\n",
+    "plt.show()"
    ]
   },
   {
@@ -114,24 +120,20 @@
    "execution_count": null,
    "metadata": {},
    "outputs": [],
-   "source": [
-    "plt.show()"
-   ]
+   "source": []
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
+   "metadata": {},
    "outputs": [],
    "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
-   "language": "python3.5",
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
    "name": "python3"
   },
   "language_info": {
@@ -144,9 +146,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.5"
+   "version": "3.11.8"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 1
+ "nbformat_minor": 4
 }