3d 2

Paper/Summary.txt

@@ -39,8 +39,22 @@ glTF -GL Transmission Format "JPEG for 3D"
 	
 3D tiles -> Specification for streaming massive heterogeneous 3D geospatial datasets.
 	https://github.com/AnalyticalGraphicsInc/3d-tiles
-	any spatial data structure z.B, Bounding Volume mit [west, south, east, north, minimum height, maximum height]
+	any spatial data structure ,
+		refinement replacement or additive, and can be mixed in each node
+		kd tree (splitting plan xyz, 2 childs) or multiway k-d tree (multiple splits)
+		quadtree 4 uniformly subdividet children, or variants (tight bounding box, loose quadtree
+		Octrees
+		Grids
 	json metadaten
-		boundingbox (box, region, sphere)+ geometricError (->Screen space Error)+(transformation)
+		boundingbox (box [west, south, east, north, minimum height, maximum height], region, sphere)+ geometricError (->Screen space Error)+(transformation)
 	WGS84 coordinates http://earth-info.nga.mil/GandG/publications/tr8350.2/wgs84fin.pdf
-	Requester volumes (~viewdistance
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+	Requester volumes (~viewdistance)
+	tilset can point to external tilesets ( global + citys etc.) (keine Kreise)
+	Tile Formats:
+		Batched 3D Model (b3dm) -> converter to gltf
+		Instanced 3D Model (i3dm)	
+		Point Cloud (pnts)
+		Vector Data
+		Composite (cmpt)
+		Declarative Styling 8z.b. gebude hhe)
+	terrain is planed as tiles but currently not supported (cesium: https://cesiumjs.org/data-and-assets/terrain/formats/quantized-mesh-1.0.html
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