Map of Hampton Roads, Virginia
(the North Side = 'the Peninsula')

Done with OSM Tiles

Zoom Level 14

(OSM = Open Street Map)

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This OSM Map of Hampton Roads 'Peninsula' page

Reference:
http://wiki.openstreetmap.org/wiki/ Slippy_map_tilenames#Zoom_levels

Brief overview:

• OSM tiles are 256x256 pixel PNG files.

• Filename (URL) format is http://tile.openstreetmap.org/zoom/x/y.png
  where
  zoom=zoom-level-integer (from 0 to 19),
  x=longitude-locator-integer (non-negative column number),
  y=latitude-locator-integer (non-negative row number).

• In the link above, see sample code to calculate x and y for a given zoom-level and a given latitude and longitude.

The following Hampton Roads map is done
with map tiles at OSM zoom level 14.

Approximate latitude,longitude of Hampton Roads
(Newport News city center):
37.0708, -76.4844 degrees

Each OSM tile is a 256x256 PNG file.

Each zoom-level-14 tile is one image of
2^14 x 2^14 = 16,384 x 16,384 = 268,435,456 images ~ 268 million images
which are used by OpenStreetMap to cover most of the Earth.

These zoom-level-14 tiles go from
x-numbers 4704 to 4720. (17 columns)

These zoom-level-14 tiles go from
y-numbers 6363 to 6379. (17 rows)

Total: 17 x 17 = 289 tiles

Image width: 17 x 256 = 4,352 pixels
Image height: 17 x 256 = 4,352 pixels

Here is a link to an OSM (openstreetmap.org) 'slippy map'
for Hampton Roads, Virginia (Wikipedia link)--- initially at zoom-level 14 and
centered at latitude and longitude 37.0708 -76.4844,
which is near the center of the city of Newport News.

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Page was created 2016 Oct 31.

Page was changed 2018 May 12.
(Added a 'title' hover-popup to the images.)

Page was changed 2018 Jul 08.
(Added 'slippy map' link.)

Page was changed 2019 Jan 11.
(Added css and javascript to try to handle text-size
for smartphones, esp. in portrait orientation.)

Page was changed 2019 Feb 10.
(HTML changes due to reorg of OSMmaps.)