墨卡托投影matlab实现
时间: 2023-10-26 15:07:43 浏览: 374
墨卡托投影
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墨卡托投影在Matlab中可以通过以下两个函数实现:MercatorToGps.m和gpstoMercator.m。
MercatorToGps.m函数实现了墨卡托坐标转换为经纬度坐标。具体的实现代码如下:
```matlab
function [jing, wei = MercatorToGps(j, w)
jing = j / 20037508.34 * 180;
ly = w / 20037508.34 * 180;
wei = 180 / pi * (2 * atan(exp(ly * pi / 180)) - pi / 2);
end
```
该函数接受墨卡托坐标j和w作为输入参数,返回相应的经度jing和纬度wei。
gpstoMercator.m函数实现了经纬度坐标转换为墨卡托坐标。具体的实现代码如下:
```matlab
function [jing, wei = gpstoMercator(j, w)
jing = j * 20037508.34 / 180;
ly = log(tan((90 - w) * pi / 360)) / (pi / 180);
wei = ly * 20037508.34 / 180;
end
```
该函数接受经度jing和纬度wei作为输入参数,返回相应的墨卡托坐标j和w。
这些函数在本项目中使用的墨卡托投影背后的数学和代码已经完善,并且使用了Rafael Palacios创建的函数deg2utm和utm2deg,其余函数由Alexander Buczynsky开发。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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