29 lines
1.2 KiB
Go
29 lines
1.2 KiB
Go
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package svg
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import "b612.me/astro/internal/svgmap"
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// MapProjection 控制全球月掩地图使用的投影。
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// 零值根据事件几何自动选择投影。
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// MapProjection controls the projection used by a global occultation map.
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// The zero value selects a projection from the event geometry.
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type MapProjection string
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const (
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// MapProjectionAuto 根据事件几何自动选择投影。
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// MapProjectionAuto selects a projection from event geometry.
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MapProjectionAuto MapProjection = ""
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// MapProjectionEquirectangular 使用等经纬投影。
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// MapProjectionEquirectangular uses the equirectangular projection.
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MapProjectionEquirectangular MapProjection = "equirectangular"
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// MapProjectionNorthPolar 使用北极方位等距投影。
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// MapProjectionNorthPolar uses the north-polar azimuthal equidistant projection.
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MapProjectionNorthPolar MapProjection = "north-polar"
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// MapProjectionSouthPolar 使用南极方位等距投影。
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// MapProjectionSouthPolar uses the south-polar azimuthal equidistant projection.
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MapProjectionSouthPolar MapProjection = "south-polar"
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)
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func internalMapProjection(value MapProjection) svgmap.Projection {
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return svgmap.Projection(value)
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}
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