Dear Bruce, we have the same problem as Yasheng's so we would like to know how to solve it. To answer what you ask Yasheng: it intersects two faces, but what do you meant with "native (binary) format"? Thank you a lot. Best regards, Maria Carla e Gabriele
Hi Yasheng, hmmm, there is triangle/triangle intersection code that is supposed to prevent this from happening. Does this happen if you use the native (binary) format? How many faces intersect? Bruce On Mon, 8 Mar 2010 yasheng_chen at med.unc.edu wrote: > Hi all, > > I am using tetgen to construct a tetrahedral mesh with the extracted pial surface in subject 004 from the tutorial datasets. But I got an error message from tetgen to say that some triangles are intersecting each other. I am not sure whether anyone has found this before. The file I tested was 004/lh.pial. I first transferred it to asc format with mris_convert, and then make a straightforward transfer to .off (used by tetgen and geomview). I loaded the .off file with geomview and it looks right. Then I run tetgen with the .off file and got an error message like below, which means that there are intersections among the facets. > Error: Invalid PLC. > Two subfaces (219028, 5283, 5282) and (219054, 5300, 5283) > are found intersecting each other. > Hint: Use -d switch to find all intersecting facets. > > This is a little strange to me since the topology issue has been handled in the reconstructed surface, does any one have any clue? > > Thank you very much! > > Yasheng > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
