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| Element | arc | |
|---|---|---|
| Attribute | Format | Remarks |
| radius | float | radius of the arc in nautical miles |
| segments | integer | number of segments to draw |
| clockwise | boolean | Draw arc clockwise if “true” (default: true) |
| pattern | double array | line pattern described in an array of doubles |
| stroke_width | float | line width in pixels |
| stroke_color | string | color id name |
AIS publications such as AIP's use arc's to define lateral airspace borders. This element is especially designed to allow you to define exactly the same airspace in a map.
draw an arc with center position <point1> and given radius from <point2> to <point3> in a clockwise direction using the amount of segments given.
Three <point> elements are required.
Brussels CTR:
504434N 0043404E - an arc of circle, 10 NM radius, centered on 505405N 0042904E and traced clockwise to 505203N 0044435E - 504434N 0043404E.
<arc radius="10" segments="45" clockwise="true"> <point lat="N0505405" lon="E0042904"/> <point lat="N0505203" lon="E0044435"/> <point lat="N0504434" lon="E0043404"/> </arc>