经纬度坐标下的球面多边形面积计算公式
04-02 19:09:06 浏览次数:381次 栏目:数学课堂
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经纬度坐标下的球面多边形面积计算公式,http://www.dbk123.com
if(i==0)
{
LowX = PointX[Count-1] * Math.PI / 180;
LowY = PointY[Count-1] * Math.PI / 180;
MiddleX = PointX[0] * Math.PI / 180;
MiddleY = PointY[0] * Math.PI / 180;
HighX = PointX[1] * Math.PI / 180;
HighY = PointY[1] * Math.PI / 180;
}
else if(i==Count-1)
{
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LowX = PointX[Count-2] * Math.PI / 180;
LowY = PointY[Count-2] * Math.PI / 180;
MiddleX = PointX[Count-1] * Math.PI / 180;
MiddleY = PointY[Count-1] * Math.PI / 180;
HighX = PointX[0] * Math.PI / 180;
HighY = PointY[0] * Math.PI / 180;