<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div>You should use something like spherical harmonics for good interpolation. Search for <span class="Apple-style-span" style="color: rgb(68, 68, 68); line-height: 16px; font-size: small; font-family: arial, sans-serif; "><em style="font-weight: bold; font-style: normal; color: inherit; ">Perrin</em>, Pernier, Bertrand, & Echallier, 1989</span></div><div><span class="Apple-style-span" style="color: rgb(68, 68, 68); line-height: 16px; font-size: small; font-family: arial, sans-serif; ">-Jeff Eriksen</span></div><div><span class="Apple-style-span" style="color: rgb(68, 68, 68); line-height: 16px; font-size: small; font-family: arial, sans-serif; "><br></span></div><span id="OLK_SRC_BODY_SECTION"><div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style="font-weight:bold">From: </span> "Ibtissem Khouaja b.Fraj" <<a href="mailto:ibtissem.khouaja@live.fr">ibtissem.khouaja@live.fr</a>><br><span style="font-weight:bold">Date: </span> Thursday, April 25, 2013 2:26 AM<br><span style="font-weight:bold">To: </span> "<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>" <<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>><br><span style="font-weight:bold">Subject: </span> [Eeglablist] Plot and Interpolate existing data<br></div><div><br></div><div><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><style><!--
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--></style><div class="hmmessage"><div dir="ltr"><div style="text-indent: 0px !important; font-family: Calibri, sans-serif; ">Dear list,</div><div style="text-indent: 0px !important; font-family: Calibri, sans-serif; "><br style="text-indent: 0px !important; "></div><div style="text-indent: 0px !important; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; ">I'm looking for an algorithm that takes as input the spherical coordinates of the electrodes then draw in a spherical
plane.</font></div><div style="text-indent: 0px !important; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; "><br style="text-indent: 0px !important; "></font></div><div style="text-indent: 0px !important; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; ">For exemple: </font></div><div style="text-indent: 0px !important; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; ">adress1 : Fp1 =[-0.1415 0.4662 2.1]</font></div><div style="text-indent: 0px !important; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; "> Fp2 = </font><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 16px; font-family: Calibri, sans-serif; ">[0.1615
0.4662 2.1]</span></div><div style="text-indent: 0px !important; font-family: Calibri, sans-serif; "><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 12pt; "> F7 = [-0.3866 0.2881 2.1]</span></div><div style="text-indent: 0px !important; font-family: Calibri, sans-serif; "><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 12pt; ">...........</span></div><div style="text-indent: 0px !important; font-family: Calibri, sans-serif; "> </div><div style="text-indent: 0px !important; font-family: Calibri, sans-serif; "><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 16px; ">The aim is to interpolate electrodes </span><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 16px; ">address</span><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 16px; "> to
create new addresses and pred the amplitude of new addresses.</span></div><div style="text-indent: 0px !important; "><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; "><br style="text-indent: 0px !important; "></font></div></div><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; ">Many thanks.</font></div><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; "><br style="text-indent: 0px !important; "></font></div><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; "><br style="text-indent: 0px !important; "></font></div><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri,sans-serif" style="text-indent: 0px !important; "><span class="Apple-style-span" style="background-color: rgb(153, 204, 255);"><br style="text-indent: 0px !important; "></span></font></div><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri, sans-serif" style="text-indent: 0px !important; "><span class="Apple-style-span" style="background-color: rgb(153, 204, 255);"><font class="Apple-style-span" color="#FFFFFF">-----------------------------------------------------------------------------</font></span></font></div><div style="text-indent: 0px !important; font-size: 12pt; "><font class="Apple-style-span" face="Calibri, sans-serif" style="text-indent: 0px !important; "><span class="Apple-style-span" style="background-color: rgb(153, 204, 255);"><font class="Apple-style-span" color="#FFFFFF">Ibtissem
KHOUAJA</font></span></font></div><div style="text-indent: 0px !important; "><span class="Apple-style-span" style="background-color: rgb(153, 204, 255);"><font class="Apple-style-span" color="#FFFFFF">Computer lab Gaspard Monge (<span class="Apple-style-span" style="text-indent: 0px !important; font-size: 16px; font-family: Calibri, sans-serif; "><a href="http://igm.univ-mlv.fr/LIGM/" style="text-indent: 0px !important; ">http://igm.univ-mlv.fr/LIGM/</a>)</span></font></span></div><div style="text-indent: 0px !important; "><span class="Apple-style-span" style="background-color: rgb(153, 204, 255);"><font class="Apple-style-span" color="#FFFFFF"><span class="Apple-style-span" style="text-indent: 0px !important; font-size: 16px; font-family: Calibri, sans-serif; "></span><span class="Apple-style-span" style="font-size: 16px; font-family: Calibri, sans-serif; ">Paris-Est
University, France.</span></font></span></div><div style="text-indent: 0px !important; "><span class="Apple-style-span" style="font-size: 16px; font-family: Calibri, sans-serif; "><span class="Apple-style-span" style="background-color: rgb(153, 204, 255);"><font class="Apple-style-span" color="#FFFFFF">-----------------------------------------------------------------------------</font></span></span></div></div></div></div></span></body></html>