Documentation ¶
Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type EllipsoidParameter ¶
type EllipsoidParameter struct { A float64 B float64 F float64 E2 float64 EP2 float64 C float64 A0 float64 A2 float64 A4 float64 A6 float64 }
EllipsoidParameter 椭球体参数
func NewWGS84Parameter ¶
func NewWGS84Parameter() *EllipsoidParameter
NewWGS84Parameter 生成 WGS84 椭球体参数
type Location ¶
type Location struct {
// contains filtered or unexported fields
}
Location 地理位置(经纬度)
type Point ¶
type Point struct {
// contains filtered or unexported fields
}
Point 直角坐标系点
type ZtGeoCoordTransform ¶
type ZtGeoCoordTransform struct {
// contains filtered or unexported fields
}
ZtGeoCoordTransform 经纬度与大地平面直角坐标系间的转换; [翻译自C++代码](https://www.cnblogs.com/xingzhensun/p/11377963.html)
func NewZtGeoCoordTransform ¶
func NewZtGeoCoordTransform(ml int, pt ProjType) *ZtGeoCoordTransform
NewZtGeoCoordTransform 返回经纬度与大地平面直角坐标系间的转换器; [示例] zgct := yiigo.NewZtGeoCoordTransform(-360, yiigo.GK)
func (*ZtGeoCoordTransform) BL2XY ¶
func (zgct *ZtGeoCoordTransform) BL2XY(loc *Location) *Point
BL2XY 经纬度转大地平面直角坐标系点
func (*ZtGeoCoordTransform) XY2BL ¶
func (zgct *ZtGeoCoordTransform) XY2BL(p *Point) *Location
XY2BL 大地平面直角坐标系点转经纬度
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