feat: add lidar course

2026_Lidar_and_Photogrammetry_Systems/lab1/2012/ETRS89_UTM_Zone33_7stellig.prj

@@ -0,0 +1 @@
+PROJCS["ETRS89_UTM_Zone33_7",GEOGCS["GCS_ETRS_1989",DATUM["D_ETRS_1989",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",3500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",15.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

2026_Lidar_and_Photogrammetry_Systems/lab1/2012/lab1.ipynb

@@ -0,0 +1,33 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "ec3ee3e3-5965-47ba-b90a-3eab16ba501d",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.14.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

2026_Lidar_and_Photogrammetry_Systems/lab1/density.json

@@ -0,0 +1,4 @@
+{
+    "golm": 2.454589545833545,
+    "palais": 2.4076303262425336
+}

2026_Lidar_and_Photogrammetry_Systems/lab1/lab1.ipynb

@@ -0,0 +1,105 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "3ef1d31d-b8d2-4a13-916b-819868ec6df2",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Jupyter environment detected. Enabling Open3D WebVisualizer.\n",
+      "[Open3D INFO] WebRTC GUI backend enabled.\n",
+      "[Open3D INFO] WebRTCWindowSystem: HTTP handshake server disabled.\n"
+     ]
+    }
+   ],
+   "source": [
+    "import laspy\n",
+    "import numpy as np\n",
+    "import open3d as o3d"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "82ee9b51-c12b-49b1-a9b0-68d11b1fabdb",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "data_2012 = laspy.read(\"2012/golm_364806_fp.las\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "85d67e00-3749-4bbf-a1a9-fa8a700b894d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "points = np.vstack((data_2012.x, data_2012.y, data_2012.z)).T"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "da00e8e7-ae4a-449c-b5bc-2f08939903e9",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\u001b[1;33m[Open3D WARNING] GLFW Error: Wayland: The platform does not support setting the window position\u001b[0;m\n",
+      "\u001b[1;33m[Open3D WARNING] Failed to initialize GLEW.\u001b[0;m\n",
+      "\u001b[1;33m[Open3D WARNING] [DrawGeometries] Failed creating OpenGL window.\u001b[0;m\n"
+     ]
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "libdecor-gtk-WARNING: Failed to initialize GTK\n",
+      "Failed to load plugin 'libdecor-gtk.so': failed to init\n"
+     ]
+    }
+   ],
+   "source": [
+    "pcd = o3d.geometry.PointCloud()\n",
+    "pcd.points = o3d.utility.Vector3dVector(points)\n",
+    "o3d.visualization.draw_geometries([pcd])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f1b92eec-b6a1-4c51-ba2e-c7432f9cd2c9",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.13"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

2026_Lidar_and_Photogrammetry_Systems/lab1/lab1.py

@@ -0,0 +1,48 @@
+import json
+import laspy
+import numpy as np
+import open3d as o3d
+
+def density(data):
+    min_x, max_x = np.min(data.x), np.max(data.x)
+    min_y, max_y = np.min(data.y), np.max(data.y)
+
+    area = (max_x - min_x) * (max_y - min_y)
+    n_points = len(data.x)
+
+    density = n_points / area
+    return density
+
+def data2np(data):
+    points = np.vstack((data.x, data.y, data.z)).transpose()
+    return points
+
+def plot_o3d(points):
+    pcd = o3d.geometry.PointCloud()
+    pcd.points = o3d.utility.Vector3dVector(points)
+    o3d.visualization.draw_geometries([pcd])
+
+
+def main():
+    data_golm = laspy.read("2012/golm_364806_fp.las")
+    data_palais = laspy.read("2012/neuespalais362808_fp.las")
+
+    density_golm = density(data_golm)
+    density_palais = density(data_palais)
+
+    output_density = {
+        "golm": density_golm,
+        "palais": density_palais
+    }
+
+    with open("density.json", "w") as f:
+        json.dump(output_density, f, indent=4)
+
+    #points_golm = data2np(data_golm)
+    #points_palais = data2np(data_golm)
+
+    #plot_o3d(points_golm)
+    #plot_o3d(points_palais)
+
+if __name__ == "__main__":
+    main()

2026_Lidar_and_Photogrammetry_Systems/lab1/lab1.typ

@@ -0,0 +1,79 @@
+= Lab 1
+
+Joaquin Gottlebe
+
+== Question 1
+
+#figure(
+  image("q1.png", width: 80%),
+  caption: [...],
+)
+
+== Question 2
+
+#figure(
+  image("q2_return.png", width: 80%),
+  caption: [...],
+)
+
+#figure(
+  image("q2_flight.png", width: 80%),
+  caption: [...],
+)
+
+== Question 3
+
+#figure(
+  image("q3_golm.png", width: 80%),
+  caption: [...],
+)
+
+#figure(
+  image("q3_golm_2018.png", width: 80%),
+  caption: [...],
+)
+
+#figure(
+  image("q3_neuespalais.png", width: 80%),
+  caption: [...],
+)
+
+#figure(
+  image("q3_neuespalais_2018.png", width: 80%),
+  caption: [...],
+)
+== Question 4
+
+#figure(
+  image("q4_golm.png", width: 80%),
+  caption: [...],
+)
+
+#figure(
+  image("q4_palais.png", width: 80%),
+  caption: [...],
+)
+
+== Question 5
+
+#let density = json("density.json")
+
+Golm: #density.golm \
+Neues Palais: #density.palais
+
+== Question 6
+
+== Question 7
+
+== Question 8
+
+
+
+
+
+
+
+
+
+
+

2026_Lidar_and_Photogrammetry_Systems/requirements.txt

@@ -0,0 +1,7 @@
+open3d
+PDAL
+GDAL==3.11.5
+scipy
+numpy
+pandas
+laspy