You can use -override-mapping-check to force the comparison to proceed
despite the mismatch in mesh.  You'll need to manually check that the
parcels are in the same order in both files.

Tim


On Sat, Jul 16, 2016 at 10:56 AM, Georgios Michalareas <
giorgos.michalar...@esi-frankfurt.de> wrote:

> Hi again,
>
> another question. I am trying to compute pairwise correlation with
> -cifti-pairwise-correlate between two pconn files.
>
> One has been derived by parcellating (-cifti-parcellate) with a given
> parcellation , i.e. Yeo11, the dconn file in 32K space , i.e.
>
> HCP_S900_820_rfMRI_MSMAll_groupPCA_d4500ROW_zcorr.dconn.nii
>
> resulting in the pconn file:
>
> HCP_S900_820_rfMRI_MSMAll_groupPCA_d4500ROW_zcorr.Yeo11.pconn.nii
>
> The other file has resulted from parcellating a dconn file describing
> group average functional connectivity from MEG data in the 4K space used
> for MEG analysis,i.e.
>
> SUBJAVG_MEG-Restin_icaimagcoh_alpha.Yeo11.pconn.nii
>
> So while the two pconn files represent connectivity between the same
> parcels, they have been derived by parcellating different spaces(32K and
> 4K ).
>
> When I compute the pairwise correlation as:
>
> wb_command  -cifti-pairwise-correlation
> HCP_S900_820_rfMRI_MSMAll_groupPCA_d4500ROW_zcorr.Yeo11.pconn.nii
> SUBJAVG_MEG-Restin_icaimagcoh_alpha.Yeo11.pconn.nii outConneCorrel.nii
>
> I get the error:
>
> ERROR: mapping along columns must match between the input files
>
> Do you know how I could hack this and compute the correlation between
> the two pconn matrices as if they had been parcellated from the same
> spatial representation so that it would also be used in the output
> pscalar  file ?
>
> Thanks again for your help
>
> Best
>
> Giorgos
>
>
>
>
>
>
> These pconn files represent fucntional connectivia simple comparison
> between fmri mattr
>
>
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