Hi again Chris,
The matter is that "spm_results_ui" requires input from the user
(asking mask, threshold etc). I've modified spm_getSPM now to get xSPM
structure without user input and count xSPM.Z.
Thanks for the help on contrast definition without GUI.
Dorian.
2009/11/24 Chris Watson <[log in to unmask]>:
> No. The job below is the same as clicking the 'Results' button and then
> choosing a contrast, threshold, extent. To add contrasts on the fly (without
> the GUI), you can do something like this:
> SPM.xCon(end+1) = spm_FcUtil('Set',cname,ctype,'c',c(:),SPM.xX.xKXs);
> spm_contrasts(SPM);
>
> Where cname is the name of the contrast, ctype is 'T' or 'F', and c is the
> actual contrast (e.g. [1 0 -1 0]). I have a script for that that is
> extremely useful when you think of a contrast after the fact and need to
> apply it to many different subjects.
> Then, if you want to loop through a bunch of different contrasts, you can
> see in the job below there is a variable called 'connum'. You could do
> something like
> for i=1:length(SPM.xCon),
> jobs = struct('swd', SPM.swd, ...
> 'Ic', i, ...
>
> and so on.
>
> Dorian P. wrote:
>>
>> Thank you Chris.
>>
>> Does this work to define a contrast on the fly, when it's not defined
>> previously in SPM.xCon ?
>>
>> Dorian.
>>
>> 2009/11/24 Chris Watson <[log in to unmask]>:
>>
>>>
>>> You could create a job for spm_results_ui and then just get the length of
>>> xSPM.Z. Something like this:
>>> job = struct('swd', SPM.swd, ...
>>> 'Ic', connum, ...
>>> 'u', thresh, ...
>>> 'Im', [], ...
>>> 'thresDesc', threshdesc, ...
>>> 'title', SPM.xCon(connum).name, ...
>>> 'k', k);
>>>
>>> [hReg, xSPM, SPM] = spm_results_ui('setup', job);
>>>
>>> Dorian P. wrote:
>>>
>>>>
>>>> Hi all,
>>>>
>>>> I want to extract the number of significant voxels for contrasts of
>>>> 1st level, which would take a long time with the GUI.
>>>>
>>>> Anybody have a script or can suggest a way to do that in command line?
>>>>
>>>> Searched the archives but couldn't find an answer.
>>>>
>>>> Thank you in advance.
>>>> Dorian
>>>>
>>>>
>>>>
>
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