update

public/content/content.json

@@ -166,6 +166,30 @@
     },
     "refIndex": 4
   },
+  {
+    "item": {
+      "title": "3D GeoVolumes",
+      "project": "iCity Project",
+      "author": {
+        "firstName": "Joe",
+        "lastName": "T. Santhanavanich",
+        "hftURL": "https://www.hft-stuttgart.de/p/thunyathep-santhanavanich"
+      },
+      "project_year_start": "2019",
+      "project_year_end": "2021",
+      "project_is_on_going": false,
+      "imageLink":"imgs/thumbnails/geovolumes.jpg",
+      "keywords":["OGC","3D GIS","3D Tiles","I3S", "gLTF"],
+      "description_en":"The GeoVolumes API is a draft specification from OGC to unify access to global 3D model and terrain data across a range of formats, platforms, and technologies.",
+      "description_de":"Die GeoVolumes API ist ein Spezifikationsentwurf von OGC, um den Zugriff auf globale 3D-Modell- und Geländedaten über eine Reihe von Formaten, Plattformen und Technologien hinweg zu vereinheitlichen."
+    },
+    "links": {
+      "demo": "https://steinbeis-3dps.eu/3DGeoVolumes/",
+      "publication":"https://docs.ogc.org/per/20-030.html",
+      "project":"https://www.hft-stuttgart.de/forschung/i-city"
+    },
+    "refIndex": 5
+  },
   {
     "item": {
       "title": "Outdoor Mobile Augmented Reality in Urban Planning",