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<div><span></span>Hi,</div><div><br></div><div>I have the coordinates of XYZ under earth geocentirc system. I would like to transform them to the NEU (North East Up) system which is a GNSS frequently used system.</div><div>Now I know t<span style="line-height: 1.5; background-color: transparent;">he cct could do the transform XYZ to BLH</span><span style="line-height: 1.5; background-color: transparent;">: </span></div><div><pre><span class="line">echo <span class="number">4097216.6805</span> <span class="number">4429119.0287</span> <span class="number">-2065771.3676</span> <span class="number">0</span> | cct -I +proj=cart +ellps=GRS80</span></pre><pre><span class="number" style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;">47.2292116930</span><span style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;"> </span><span class="number" style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;">-19.0183060232</span><span style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;"> </span><span class="number" style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;">1552.9924</span><span style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;"> </span><span class="number" style="font-family: 'Microsoft YaHei UI'; line-height: 1.5; background-color: transparent;">0.0000</span></pre><pre>But I do not know how to transform it to NEU. I also checked the documents, and find no answer.</pre><pre>Thanks</pre><pre><br></pre><pre>Lei </pre><pre><span class="line"><br></span></pre></div>
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<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>leiyang@fio.org.cn</div></div></span></div>
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