What's the general algorithm to draw a road network of a certain area?

General Usage
34

You can generate BBOX with many online tools:

One example:

  • go http://geojson.io
  • Draw a rectangle ( around the city )
  • call the menu : “Meta”/“Add bboxes”
  • on the GeoJSON part: you will find the “bbox” coordinates.

like this ( Roma/Italy)

       "bbox": [
          12.368545532226562,
          41.794864268833145,
          12.623291015625,
          41.99011884096809
        ]
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