<div dir="ltr">Many thanks Alex. When I added the head_pos to<b><i> plot_topomap</i></b> arguments I've got attached figure_1 using:<div><br></div><div>
<div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><b style=""><i>image, _ = plot_topomap(f_map, positions,
<b style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><i>mask=mask,</i></b></i></b></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><b><i> head_pos=dict(center=(0., 0.), scale=(1., 1.)),</i></b></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><b><i> axes=ax_topo,</i></b></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><b style=""><i> cmap='Reds', vmin=np.min, vmax=np.max)</i></b></div>
<br><div>
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255);float:none;display:inline">however, when I used the info object instead of the positions returned from </span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255);float:none;display:inline"><b style=""><i>mne.channels.find_layout</i></b></span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255);float:none;display:inline">, I've got correct positions of the sensors but the topography map had all the same color even after using many values of vmin & vmax (attached figure_2):</span><br></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255);float:none;display:inline"><br></span></div><div><div><b><i>image, _ = plot_topomap(f_map, <a href="http://my_evo.info">my_evo.info</a>, mask=mask,</i></b></div><div><b><i> head_pos=dict(center=(0., 0.), scale=(1., 1.)),</i></b></div><div><b><i> axes=ax_topo,</i></b></div><div><b><i> cmap='Reds', vmin=np.min, vmax=np.max)</i></b></div><div><br></div><div>Any idea why I had this problem with the coloring of topography map? and should I be worried that the positions returned from
<b style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><i>mne.channels.find_layout </i></b>
are incorrect? </div></div></div><div><br></div><div>Rasha</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 4 April 2018 at 14:03, Alexandre Gramfort <span dir="ltr"><<a href="mailto:alexandre.gramfort@inria.fr" target="_blank">alexandre.gramfort@inria.fr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra">I guess this <a href="https://github.com/mne-tools/mne-python/pull/5085" target="_blank">https://github.com/mne-<wbr>tools/mne-python/pull/5085</a></div><div class="gmail_extra">can help.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Alex</div><div class="gmail_extra"><br></div></div>
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