WGS84经纬度坐标转换到西安80高斯投影坐标.
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:综合作业 时间:2024/08/06 21:15:21
WGS84经纬度坐标转换到西安80高斯投影坐标.
![](http://img.wesiedu.com/upload/9/f2/9f2fd1446862a30525c5afef708b3b85.jpg)
按六度带投影,没有设定平移值,带号18,中央子午线105,为什么105以西的坐标投影出来的结果是正的,不是应该是负数吗~我不是学这个的,只是接触过一点,最近做东西急需
![](http://img.wesiedu.com/upload/9/f2/9f2fd1446862a30525c5afef708b3b85.jpg)
按六度带投影,没有设定平移值,带号18,中央子午线105,为什么105以西的坐标投影出来的结果是正的,不是应该是负数吗~我不是学这个的,只是接触过一点,最近做东西急需
![WGS84经纬度坐标转换到西安80高斯投影坐标.](/uploads/image/z/3686550-6-0.jpg?t=WGS84%E7%BB%8F%E7%BA%AC%E5%BA%A6%E5%9D%90%E6%A0%87%E8%BD%AC%E6%8D%A2%E5%88%B0%E8%A5%BF%E5%AE%8980%E9%AB%98%E6%96%AF%E6%8A%95%E5%BD%B1%E5%9D%90%E6%A0%87.)
带号18,并且对应的中央子午线是105°,说明是按6度带划分计算的.你注意看你的标题“WGS84经纬度坐标转换到西安80高斯投影坐标”,就是说是在高斯坐标系下的平面坐标,高斯投影坐标系你好好看看是怎么建立的,和数学上的平面直角坐标系有何区别.高斯坐标系正北方向是X轴,正东方向是Y轴,将经纬度(B,L)转换成平面坐标(X,Y)后,Y值有正有负,为了避免这种现像,国家规定将Y轴向西平移500km,即把Y值加上常数500000,这样所有的Y值就是正的了.上图里的经纬度都是十进制的度数,要先转换成六十进制的度分秒,比如:昆明的经度102.73°=102°43′48″.转换结果见下图:
昆明,2770683.730005,573670.977683,
富民,2789403.099344,548373.721155,
晋宁,2730731.658172,558702.445939,
呈贡,2755208.631254,579816.642498,
安宁,2760587.505186,544436.281716,
昭通,3245439.226607,373715.852630,
永善,3123582.794017,365511.778436,
大关,3070105.097888,392525.630086,
宁蒗,3020315.577903,383176.345774,
文山,2585718.244105,422295.288143,
广南,2660829.500653,509154.120630,
西畴,2591087.589725,467295.051729,
麻栗坡,2557856.467217,470294.723069,
马关,2545770.903057,438490.224654,
丘北,2658848.593023,417598.332332,
砚山,2613352.316476,433667.619726,
![](http://img.wesiedu.com/upload/0/5e/05ec4261dad41a4161cd4c902ad699e7.jpg)
昆明,2770683.730005,573670.977683,
富民,2789403.099344,548373.721155,
晋宁,2730731.658172,558702.445939,
呈贡,2755208.631254,579816.642498,
安宁,2760587.505186,544436.281716,
昭通,3245439.226607,373715.852630,
永善,3123582.794017,365511.778436,
大关,3070105.097888,392525.630086,
宁蒗,3020315.577903,383176.345774,
文山,2585718.244105,422295.288143,
广南,2660829.500653,509154.120630,
西畴,2591087.589725,467295.051729,
麻栗坡,2557856.467217,470294.723069,
马关,2545770.903057,438490.224654,
丘北,2658848.593023,417598.332332,
砚山,2613352.316476,433667.619726,
![](http://img.wesiedu.com/upload/0/5e/05ec4261dad41a4161cd4c902ad699e7.jpg)