feat: add lidar course

2026-04-15 23:07:55 +02:00
parent ec3c633ec8
commit 2aa6d432f0
22 changed files with 11018 additions and 16 deletions
@@ -0,0 +1,5 @@
+*.las
+*.laz
+*.xyz
+venv/
+.ipynb_*
@@ -10,12 +10,13 @@
 		<link rel="stylesheet" href="plugin/highlight/monokai.css">
    <link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
    <style>
+      .reveal  h3 { font-size: 32px;}
      th, td { font-size:24px; }
      li{ font-size: 28px; }
      #map { width: 100%; height: 480px; }
      cite {
          font-style: normal;
-          font-size: 0.35em;
+          font-size: 0.5em;
          color: #6b7280;
          background: #f3f4f6;
          padding: 0.1em 0.35em;
@@ -23,6 +24,17 @@
          margin-left: 0.15em;
          white-space: nowrap;
      }
+      p {
+        font-size: 28px;
+        }
+      b {
+        color: #004682;
+      }
+    .reveal .slide-number {
+    font-size: 24px;
+    background: none;
+    color: #004682;
+    }
    </style>
 	</head>
 	<body>
@@ -34,34 +46,104 @@
            <hr>
            <small>Joaquin Gottlebe</small>
            <small>24.04.2026</small>
+            <br>
+            <img src="https://www.enerparc.de/img/static/logo_enerparc.png" width="200px"></img>
+        </section>
+        <section >
+
+            <h3>Basics: Geographic Information (Geodata)</h3>
+            <div class="r-stack">
+
+                <img class="fragment fade-out r-stretch" src="images/geodata_features.png"></img>
+
+                <table class="fragment current-visible" border="1" cellpadding="6" cellspacing="0">
+                <thead>
+                    <tr>
+                    <th>id</th>
+                    <th>name</th>
+                    <th>category</th>
+                    <th>elevation_m</th>
+                    <th>geometry</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <tr>
+                    <td>1</td>
+                    <td>Berlin Center</td>
+                    <td>city</td>
+                    <td>34</td>
+                    <td>POINT(13.4050 52.5200)</td>
+                    </tr>
+                    <tr>
+                    <td>2</td>
+                    <td>Potsdam Station</td>
+                    <td>transport</td>
+                    <td>38</td>
+                    <td>POINT(13.0657 52.3914)</td>
+                    </tr>
+                    <tr>
+                    <td>3</td>
+                    <td>Forest Plot A</td>
+                    <td>sample_site</td>
+                    <td>72</td>
+                    <td>POINT(12.9876 52.4123)</td>
+                    </tr>
+                    <tr>
+                    <td>4</td>
+                    <td>Lake View</td>
+                    <td>observation</td>
+                    <td>29</td>
+                    <td>POINT(13.1025 52.4568)</td>
+                    </tr>
+                    <tr>
+                    <td>5</td>
+                    <td>Weather Sensor 01</td>
+                    <td>sensor</td>
+                    <td>45</td>
+                    <td>POINT(13.2211 52.3347)</td>
+                    </tr>
+                </tbody>
+                </table>
+            </div>
+            <p><cite>Minn, Michael. Visualizing Terrain in ArcGIS Pro. https://michaelminn.net/tutorials/arcgis-pro-terrain/</cite></p>
+            <p>Data and information which has an <b>association with a location relative to Earth</b></p>
+        </section>
+        <section>
+          <h3>Basics: Geographic Information Systems (GIS)</h3>
+          <img src="images/qgis.png" class="r-stretch"></img>
+            <p>Consists of integrated computer hardware and software that <b>store, manage, analyze, edit, output, and visualize geographic data.</b></p>
+          <p><cite>©OpenStreetMap contributors</cite></p>
        </section>
        <section>
            <h3>Internship Overview</h3>
            <p class="fragment">Company: <b>Enerparc AG</b></p>
            <p class="fragment">Industry domain: <b>Solar industry</b></p>
            <p class="fragment">Duration: <b>360 hours over 4 months</b></p>
-            <p class="fragment">Role: <b>Developing Geo-ETL-Pipelines</b></p>
+            <p class="fragment">Role: <b>GIS Developer</b></p>
        </section>
        <section>
          <h3>My Background</h3>
            <p class="fragment">Bachelor in <b>Geography</b></p>
            <p class="fragment">Specialised in <b>Remote Sensing</b> and <b>Geographic Information Systems</b></p>
+            <p class="fragment"><b>4</b> years of experience in <b>tutoring</b> RS/GIS</p>
            <p class="fragment">Currently pursuing Master in <b>Computational Science</b></p>
        </section>
        <section>
          <h3>Motivation</h3>
            <p class="fragment">First industry <b>experience</b></p>
-            <p class="fragment">How to handle big <b>Geodata-ETL-Pipelines</b>?</p> 
+            <p class="fragment">How to handle <b>geodata pipelines</b>?</p> 
            <p class="fragment">How is the dev experience in a <b>non-tech company</b>?</p>  
        </section>
        <section>
         <h5>Enerparc Expertise</h5>
-          <img src="images/enerparc_expertise.png"></img>
+            <p>ENERPARC AG is involved in every stage of <b>solar energy projects</b>, acting as both a <b>project developer, operator and a service provider</b> for third parties.</p>
+          <img src="images/enerparc_expertise.png" class="r-stretch"></img>
          <p><cite>ENERPARC AG. https://www.enerparc.de</cite></p>
        </section>
        <section>
-          <h5>Enerparc Overview</h5>
-          <img src="images/enerparc_overview.png"></img>
+          <h5>Enerparc in numbers</h5>
+          <img src="images/enerparc_overview.png" class="r-stretch"></img>
+           <p>Covers the electricity needs of <b>1.2 million households</b></p> 
          <p><cite>ENERPARC AG. https://www.enerparc.de</cite></p>
        </section>
        <section>
@@ -71,32 +153,79 @@
        </section>
        <section>
          <h3>My Team</h3>
+            <p class="fragment">Project Development: <b>GIS Development & Administration</b></p>
+            <p class="fragment"><b>4 Persons</b>: 1 Team lead, 1 Full time, 2 Working Students</p>
        </section>
        <section>
-          <h3>My Role</h3>
+            <h3>Problem Statement</h3>
+            <b class="fragment">Use cases</b>
+            <p class="fragment">Identification of <b>development possibilities</b></p>
+            <p class="fragment">Monitoring of <b>market activity</b></p>
+            <b class="fragment">Needed</b>
+            <p class="fragment">Daily updated geodata on <b>energy assets of Germany</b></p>
+            <b class="fragment">Approach</b>
+            <p class="fragment">A process where geodata is periodicaly <b>extracted</b> from an input source, <b>transformed</b> with buisness logic, and <b>loaded</b> into a geodatabase. <b>(ETL)</b></p>
        </section>
        <section>
-          <h3>My Projects</h3>
+            <h3>Input Source</h3>
+            <div class="r-stack r-stretch">
+                <img src="https://www.marktstammdatenregister.de/MaStR/Assets/img/MaStR_Logo.svg" class="fragment fade-in-then-out" width="600px"></img>
+                <p class="fragment fade-in-then-out">Is an official registry of <b>all facilities and units in the German energy system</b>. It is maintained by the Bundesnetzagentur. </p>
+                <img src="images/rdm.png" class="fragment"></img>
+            </div>
+            <cite>www.marktstammdatenregister.de</cite>
        </section>
        <section>
-          <h3>What is Geographic Information</h3>
-          <img src="images/geodata_features.png"></img>
-          <p><cite>Minn, Michael. Visualizing Terrain in ArcGIS Pro. https://michaelminn.net/tutorials/arcgis-pro-terrain/</cite></p>
+            <h3>Output Destination</h3>
+            <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/29/Postgresql_elephant.svg/500px-Postgresql_elephant.svg.png" height="200px"></img>
        </section>
        <section>
-          <h3>What is a Geographic Information Systems</h3>
-          <img src="images/qgis.png"></img>
-          <p><cite>Sutton, Tim. QGIS Screenshot. https://hub.qgis.org/screenshots/1/</cite></p>
+            <h3>Extraction Methods</h3>
+            <table>
+                <th>Methods</th>
+                <th>Advantage</th>
+                <th>Disadvantage</th>
+                <tr>
+                    <td>Simple Object Access Protocol (SOAP)</td>
+                </tr>
+                <tr>
+                    <td>Bulk download (ZIP)</td>
+                </tr>
+            </table>
+        </section>
+        <section>
+            <h3>Transformation Methods</h3>
+            <img src="https://geopandas.org/en/stable/_static/geopandas_logo_web.svg" height="200px"></img>
+            <img src="https://upload.wikimedia.org/wikipedia/en/6/60/PostGIS_logo.png" height="200px"></img>
+        </section>
+        <section>
+            <h3>Loading Methods</h3>
+        </section>
+        <section>
+            <p>"Those who do not understand SQL are condemned to reinvent it, poorly."</p>
+            <cite>Adapted from Henry Spencer</cite>
        </section>
      </div>
    </div>
+
    <script src="dist/reveal.js"></script>
    <script src="plugin/notes/notes.js"></script>
    <script src="plugin/markdown/markdown.js"></script>
    <script src="plugin/highlight/highlight.js"></script>
    <script src="plugin/title-footer/title-footer.js"></script>
-    <script> Reveal.initialize({ hash: true, plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ] }); </script>
    <script src="https://unpkg.com/leaflet/dist/leaflet.js"></script>
+
+    <script> 
+        Reveal.initialize({ 
+            controls: false,
+            transition: 'fade', 
+            slideNumber: 'c/t', 
+            hash: true, 
+            plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ] 
+        }); 
+    </script>
+
+    
    <script>
      let map;
      let mapLayer;
@@ -110,12 +239,30 @@
          attribution: '&copy; OpenStreetMap contributors'
        }).addTo(map);

+
+        const germanyBounds = [
+            [47, 5],
+            [55, 16]
+        ];
+
+        map.fitBounds(germanyBounds);
+
        fetch("data/solaranlagen.geojson")
          .then(res => res.json())
          .then(data => {
-            mapLayer = L.geoJSON(data).addTo(map);
+            mapLayer = L.geoJSON(data, {
+            pointToLayer: function (feature, latlng) {
+                return L.circleMarker(latlng, {
+                radius: 3,
+                color: '#004682',
+                weight: 1,
+                opacity: 0.0,
+                fillOpacity: 1
+                });
            const b = mapLayer.getBounds();
            if (b.isValid()) map.fitBounds(b, { padding: [20, 20] });
+            }
+            }).addTo(map);
          })
          .catch(err => console.error("Failed to load GeoJSON:", err));
      }
@@ -134,5 +281,6 @@
        }
      });
    </script>
+
 	</body>
 </html>
@@ -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]]
@@ -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
+}
@@ -0,0 +1,4 @@
+{
+    "golm": 2.454589545833545,
+    "palais": 2.4076303262425336
+}
@@ -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
+}
@@ -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()
@@ -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
+
+
+
+
+
+
+
+
+
+
+
@@ -0,0 +1,7 @@
+open3d
+PDAL
+GDAL==3.11.5
+scipy
+numpy
+pandas
+laspy
				`@@ -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]]`