block by hugolpz a62f1d61168eae985d5c

Wikiatlas Localisator using D3.geo

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A complete, automatic and flexible orthographic localisator for Wikipedia maps.

var bb = { "item":"India", "W": 67.0, "N":37.5, "E": 99.0, "S": 5.0 }, 
localisator("body", 200, bb.item, bb.W, bb.N, bb.E, bb.S);

It take as input :

The style approximate most recent Wikipedia localisator map guidelines.

The first issue was to move away from straight lines to correctly curved lines.

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The second issue was to support bounding boxes upon the 180⁰ meridians. Boxes upon the 180th meridian need special management. By example, localising a set of pacific islands between 155⁰ East and -155 West initially gives….

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…with correct rotation (+180⁰) :

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… and with correct boxing:

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Localisator now perfect, enjoy !

![enter image description here][7] [7]:

For technical details, see code and D3.geo : Spherical arcs rather than straight lines for paralles?. For deeper documentation, see D3.geo and bounding boxes.