Inspect the feature attributes in the layerĪll of these are not possible with just the raster tile.Dynamically change styles on the client.Make interactive displays from the data on the client.You also contain more information in the vector tile that is not at all used in that style. In comparison with raster image tiles, vector tiles. So that is roughly (256 * 16.725) bytes worth of PNGs. This is packaged into a collection of tiles for viewing on a desktop platform or web mapping application. If that tile is sufficient for all zoom layers between 14 to 18, you have effectively provided information for 4^4 + 1 tiles. You can see how much additional detail is provided for just one layer of information! So while:ġ6.725 bytes PNG versus 35.206 bytes PBF file.
Here is a debug tool we are working on for vector tiles (that we hope to one day share with everyone), and you can see us zooming in on the data in the tile that you provided for the building layers: Vector data structures represent specific features on the Earth’s surface, and assign attributes to those features. Each pixel value represents an area on the Earth’s surface. Raster data is stored as a grid of values which are rendered on a map as pixels. You can create other raster tiles from zoomed in data! This means it is actually possible to zoom into something much more detailed from this layer with out reloading in GL. Raster tiles are currently considered as a regular solution, while the use of vector tiles is becoming more widespread. The two primary types of geospatial data are raster and vector data.
The important thing to note is that this tile may not just be used to create just one raster tile if you wanted. Let me explain in detail why this file is much more complex, this tile contains a LOT of information and there is a lot you can do with the vector tile! Here is a short list of the number of features in this layer:
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