<div dir="auto"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Hi </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">I have a set of cartesian coordinates that define two plane of different atoms. </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Is it possible calculate distance and orthogonal projection? </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">regards </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Alberto </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">This is my data </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">24 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">test plane </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb -9.9300426676   4.1025666804   8.7420388123</span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb -4.0641923655   4.0198687706   1.6849745870</span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb -9.9866302880   4.1933336180   -1.3285956262 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb -4.1207799859   4.1106357083   -8.3856598515 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb -1.2684114297   4.1285931245   6.3124736259</span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb 4.5974388723   4.0458952147   -0.7445905994</span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb -1.3249990502   4.2193600622   -3.7581608126 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb 4.5408512519   4.1366621524   -10.8152250379 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb 7.3932198081   4.1546195686   3.8829084395 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb 13.2590701101   4.0719216589   -3.1741557858 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb 7.3366321877   4.2453865063   -6.1877259990</span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Pb 13.2024824897   4.1626885965   -13.2447902243 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg -11.5004149207   -4.2961447648   13.2944782095 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg -5.6345646187   -4.3788426745   6.2374139842 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg -11.5570025411   -4.2053778271   3.2238437711 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg -5.6911522391   -4.2880757369   -3.8332204543 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg -2.8387836829   -4.2701183206   10.8649130231 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg 3.0270666192   -4.3528162304   3.8078487978 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg -2.8953713033   -4.1793513830   0.7942785847 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg 2.9704789987   -4.2620492927   -6.2627856407 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg 5.8228475550   -4.2440918765   8.4353478367 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg 11.6886978570   -4.3267897862   1.3782836114 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg 5.7662599345   -4.1533249388   -1.6352866017 </span><br style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">Mg 11.6321102366   -4.2360228486   -8.6923508271 </span></div>