Sourceplot!

[Muthuraman Muthuraman]

Hello Ingrid,

Thanks for the answer, i tried to plot using the source plot with this
configuration
and i get the error, in this case should i need to transform the data before
i plot

cfg.method='slice';
cfg.funparameter='coh';
cfg.nslices       = 20;
cfg.slicedim      = 3;
sourceplot(cfg,fdmtmfft);
??? Reference to non-existent field 'dim'.

Error in ==> fieldtrip-20070222\private\grid2transform at 9
if ~isfield(volume, 'xgrid'),     volume.xgrid=1:volume.dim(1); end

Error in ==> sourceplot at 189
data = grid2transform(data);

Thanking you

With regards
M.Muthuraman.

>From: Ingrid Nieuwenhuis <ingrid.nieuwenhuis at FCDONDERS.RU.NL>
>Reply-To: FieldTrip discussion list <FIELDTRIP at NIC.SURFNET.NL>
>To: FIELDTRIP at NIC.SURFNET.NL
>Subject: Re: [FIELDTRIP] Sourceplot!
>Date: Fri, 23 Feb 2007 18:09:29 +0100
>
>Hello Muthuraman,
>
>	>How can i plot the source, i do not have any anatomical MRI at this
> >moment? Is there a way to see the results from the source analysis
> >using DICS in the structure of a normal topoplot
>
>You can also plot your results without an MRI.
>Since your source data is a volume (3 space dimensions and one functional
>dimension) you can not plot it "in the structure a normal topoplot" (2
>space
>dimensions, one functional dimension). You can plot slices from your
>volume.
>
>See the documentation on the new sourceplot function at the fieldtrip
>webpage.
>
>http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip:documentation:tu
>torial:plotting
>
>More info can also be found in the help of sourceplot.m
>
>You cfg could for instance be:
>
>Cfg.method = 'slice';
>Cfg.funparameter = 'pow'; (or what ever it is that you want to plot in
>color)
>
>Good luck,
>
>Ingrid
>
>-----Original Message-----
>From: FieldTrip discussion list [mailto:FIELDTRIP at NIC.SURFNET.NL] On Behalf
>Of Muthuraman Muthuraman
>Sent: Friday, February 23, 2007 3:14 PM
>To: FIELDTRIP at NIC.SURFNET.NL
>Subject: Re: [FIELDTRIP] Sourceplot!
>
>Hello,
>
>Thanks for the reply, i have plotted the headmodel plot for the 55
>electrodes and attached it with this mail
>
>The next step of using the source analysis with calculated grid works
>without any problem,
>i needed to adjust elec structure according to the radius of the volume
>conduction model
>
>How can i plot the source, i do not have any anatomical MRI at this moment?
>Is there a way to see the results from the source analysis using DICS in
>the
>
>structure of a normal topoplot
>
>Thanking you
>
>With regards
>M.Muthuraman.
>
>
>
> >From: Robert Oostenveld <r.oostenveld at FCDONDERS.RU.NL>
> >Reply-To: FieldTrip discussion list <FIELDTRIP at NIC.SURFNET.NL>
> >To: FIELDTRIP at NIC.SURFNET.NL
> >Subject: Re: [FIELDTRIP] leadfieldmatrix!
> >Date: Thu, 22 Feb 2007 18:12:13 +0100
> >
> >On 22 Feb 2007, at 17:21, Muthuraman Muthuraman wrote:
> >
> >>Warning: electrodes do not ly on sphere surface -> using projection
> >>>In fieldtrip-20070109\private\eeg_leadfield4 at 60
> >>  In fieldtrip-20070109\private\compute_leadfield at 435
> >>  In prepare_leadfield at 209
> >
> >Electrodes of course should ly on the skin surface, that is the case  in
> >the real world and it should also be the case in your model. Did  you
>plot
> >the electrodes in combination with the sphere on which they  should ly?
>You
>
> >can use headmodelplot for that.
> >
> >>%PLOTTING SOURCE
> >>
> >>cfg.location='interactive';
> >>cfg.funparameter='source';
> >>cfg.maskparameter='source';
> >>sourceplot(cfg,source);
> >
> >Please update to the latest version of fieldtrip, the sourceplot
>function
> >has recently been improved. The documentation of sourceplot  explains how
> >to use the funparameter and maskparameter. See also the  tutorial
> >documentation. Your specification 'source' is certainly not  going to
>work,
>
> >sice 'source' is not a source parameter.
> >
> >regards,
> >Robert
>
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