Dear all (notably, Ziad),

the ToyTalk function in the AFNI matlab library provides a nice example on how matlab can receive data from SUMA over NIML. However, I would be interested in more sophisticated visualization. In particular I would like to be able to visualize data in overlays, as well as data that formed the basis of such overlays, in matlab, interactively while clicking around in SUMA.

Say I got a niml file afile.niml.dset, which then is transformed (in matlab, python, whatever) into a file afile_summary.niml.dset. When visualizing afile_summary.niml.dset, I would like to show plots interactively in matlab (or python) that are based on data in afile.niml.dset. These plots should be showing some transformed data based on afile.m which can be done in matlab.

Playing around with ToyTalk, it seems that upon the first time that SUMA and matlab are talking, SUMA sends the node coordinates and faces. Then after every right-click it sends the index of the selected node. The name of the overlay is never sent.
To implement my desired functionality, it seems easiest if matlab could somehow know the (preferably absolute) path of the overlay that is shown. Is that possible?

Thanks for your consideration,

Nick