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updated docs
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Azaya89 committed Nov 27, 2024
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"source": [
"## Tiled web map\n",
"\n",
"A [tiled web map](https://en.wikipedia.org/wiki/Tiled_web_map), or tile map, is an interactive map displayed on a web browser that is divided into small, pre-rendered image tiles, allowing for efficient loading and seamless navigation across various zoom levels and geographic areas. hvPlot allows to add a tile map as a basemap to a plot with the `tiles` parameter. Importantly, `tiles` is a parameter that can be used **without installing GeoViews**.\n",
"A [tiled web map](https://en.wikipedia.org/wiki/Tiled_web_map), or tile map, is an interactive map displayed on a web browser that is divided into small, pre-rendered image tiles, allowing for efficient loading and seamless navigation across various zoom levels and geographic areas. hvPlot allows us to add a tile map as a basemap to a plot with the `tiles` parameter. Importantly, `tiles` is a parameter that can be used **without installing GeoViews**.\n",
"\n",
"We'll display this dataframe of all US airports (including military bases overseas), the points are expressed in latitude/longitude coordinates:"
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"source": [
"We'll first start by displaying the airports **without GeoViews** with tiles by setting `tiles=True`. \n",
"\n",
"Under the hood, hvPlot projects lat/lon to easting/northing ([EPSG:4326](https://epsg.io/4326) to [EPSG:3857](https://epsg.io/3857)) coordinates without additional package dependencies if it detects that the values falls within expected lat/lon ranges, **unless the data is lazily loaded (dask / ibis).**\n",
"Under the hood, hvPlot projects lat/lon to easting/northing ([EPSG:4326](https://epsg.io/4326) to [EPSG:3857](https://epsg.io/3857)) coordinates without additional package dependencies if it detects that the values falls within expected lat/lon ranges, **unless the data is lazily loaded (dask / ibis), or the data is a spatialpandas object.**\n",
"\n",
"Note, **this feature is only available after `hvplot>=0.11.0`**; older versions, `hvplot<0.11.0`, require manual projection (see below)."
]
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