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Couple of things: 1) before invoking 3D ensure that the images have their correct type set. Look in the image information window and change type to stats if necessary, 2) adjusting the bricon settings in 3D mode will change how the current layer is thresholded (the error messages suggest to me that your bricon range is outside the range of the statistical data hence the "No data to decimate!" message) so try selecting your stats image and adjusting the bricon settings. Hope that helps. On 2 Sep 2009, at 17:05, David Paulsen wrote: > I recently updated to fslview 3.1.2 with an FSL update to v. 4.1.4. > In the > previous version of FSLVIEW, activation blobs showed up in 3D, but > now all I > can see are activations on the 2D planes of the standard image. I > receive > these errors in my terminal window when rendering to 3D: > > ERROR: In > /usr/people/cowboy/var/jalapeno4_apple-darwin8-gcc4.0/VTK/Graphics/ > vtkDecimatePro.cxx, > line 161 > vtkDecimatePro (0x34dc9e0): No data to decimate! > > ERROR: In > /usr/people/cowboy/var/jalapeno4_apple-darwin8-gcc4.0/VTK/Graphics/ > vtkSmoothPolyDataFilter.cxx, > line 212 > vtkSmoothPolyDataFilter (0x34d7350): No data to smooth! > > I'm running Mac OS X 10.4.11. > > Any Ideas? > -- Dave Flitney, IT Manager Oxford Centre for Functional MRI of the Brain E:[log in to unmask] W:+44-1865-222713 F:+44-1865-222717 URL: http://www.fmrib.ox.ac.uk/~flitney