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  2. Tiled web map - Wikipedia

    en.wikipedia.org/wiki/Tiled_web_map

    Tiles are 256x256 pixels; At the outer most zoom level, 0, the entire world can be rendered in a single map tile. Each zoom level doubles in both dimensions, so a single tile is replaced by 4 tiles when zooming in. This means that about 22 zoom levels are sufficient for most practical purposes.

  3. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    The OpenStreetMap data primitives are stored and processed in different formats. OpenStreetMap server uses PostgreSQL database, with one table for each data primitive, with individual objects stored as rows. [21] [22] The data structure is defined as part of the OSM API. The current version of the API, v0.6, was released in 2009.

  4. File:Hyderabad OpenStreetMap.svg - Wikipedia

    en.wikipedia.org/wiki/File:Hyderabad...

    Original file (SVG file, nominally 868 × 604 pixels, file size: 11.77 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  5. File:Resolution chart.svg - Wikipedia

    en.wikipedia.org/wiki/File:Resolution_chart.svg

    This table illustrates total horizontal and vertical detail via box size. It does not accurately reflect the screen shape (aspect ratio) of these formats, which is always stretched or squeezed to 4:3 or 16:9. Note that this chart illustrates visible resolution, not pixel count, which is why the 1080i box is not as tall as the 1080p box.

  6. Wikipedia:WikiProject OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    OpenStreetMap}} – Use this template to insert a navigation box at the bottom of an OpenStreetMap-related article {{OpenStreetMapThumb}} - Use this template on an article page to include a thumbnail of an OpenStreetMap image. {{OpenStreetMap map}} - Use this template on an image page to indicate that it was created from OpenStreetMap data.

  7. Comparison of free off-line satellite navigation software

    en.wikipedia.org/wiki/Comparison_of_free_off...

    cross-platform; originally intended as a GIS; however can be fitted with GPS receiver and has support for it [72] and also allows to easily download maps from any location from an online database as OpenStreetMap, and many others [73] [74]

  8. File:Openstreetmap logo.svg - Wikipedia

    en.wikipedia.org/wiki/File:Openstreetmap_logo.svg

    Original file (SVG file, nominally 256 × 256 pixels, file size: 49 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  9. Wikipedia : Creating shape maps from OpenStreetMap data

    en.wikipedia.org/wiki/Wikipedia:Creating_shape...

    If the shape has a Wikidata item and the OpenStreetMap shape relation already has a wikidata tag set to that item's QID, you can embed a map of the shape directly onto a Wikipedia article as external data. Use the {} template, setting the |id= parameter to the QID, such as Q88466277. Normally, changes to the route in OpenStreetMap are reflected ...