[caret-users] Viewing multiple functional maps

[Alex Fornito]

That does the trick!
Thanks so much for your help John and Donna.


On 22/10/2007, at 11:50 PM, John Harwell wrote:

> Alex,
>
> One way to display a metric overlayed over another is to display  
> the first metric, convert the coloring to RGB Paint, set RGB Paint  
> as the underlay, and then display the second metric as the Primary  
> Overlay.
>
> * Display your first metric as desired.
> * Select Attributes Menu->Copy Current Coloring to RGB Paint.  If  
> desired, replace "New Column Name" with a more appropriate name.   
> Press the OK button.
> * On the Display Control Dialog's Overlay/Underlay Surface page,  
> change the Underlay to RGB (you should not notice any change in  
> surface coloring at this time).
> * Display your second metric as the Overlay.
>
>
> One way to identify areas of overlap is to use Surface Menu->Region  
> of Interest Operations.  This method identifies nodes that are  
> active in two or more metric columns.
>
> * On the Display Control, set the Metric to display one of your  
> data columns.
> * Select Surface Menu->Region of Interest Operations.
> * Set the Selection Method to Nodes WIth Metric.  Set the Low and  
> High threshold to values appropriate for your data.  Press the  
> Select Nodes button.  You should see your functional areas colored  
> green in the Main Window.
> * Use the Display Control to display a different metric data column.
> * Back on the ROI dialog, adjust the Low and High threshold values  
> if needed.  Change "Normal Selection" to "And Selection  
> (Intersection)" and press the Select Nodes button.  Any nodes that  
> are selected (green in the main window) overlap between the two  
> metric columns.
> * In the Operate on Selected Nodes section, set the Operation to  
> Assign Paint Attributes to Selected Nodes.  Enter a name for the  
> Paint Column and a Paint Name.  Press the Assign Paint button.  Set  
> the paint color as desired.  This paint is used to identify the  
> overlapping regions.
> * Press the Close button on the ROI dialog.
> * Set the Paint as the overlay to display the overlapping regions.
>
> -----------------------------------
> John Harwell
> john at brainmap.wustl.edu
>
> Department of Anatomy and Neurobiology
> Washington University School of Medicine
> 660 S. Euclid Ave   Box 8108
> Saint Louis, MO 63110
>
>
>
> On Oct 20, 2007, at 7:56 PM, Alexander Fornito wrote:
>
>> Hi all,
>> Is there anyway to view more than one functional map (i.e., stat  
>> image) on
>> the PALS atlas simultaneously?
>> I have mapped the results of a series of contrasts onto the atlas  
>> and now
>> have a .metric file with each contrast as a different column.  
>> However, I
>> only seem to be able to view one contrast at a time.
>> I can't seem to find any documentation on this.
>> Ultimately, I would like to overlay two maps simultaneously (each  
>> coloured
>> using a different palette).
>> Also, if it is possible to view >1 map at the same time, is there  
>> some
>> option to colour areas of overlap between the maps differently?
>> Thanks for your help,
>> Alex
>>
>>
>>
>> Alex Fornito
>> JN Peters Research Fellow
>> Melbourne Neuropsychiatry Centre
>> National Neuroscience Facility
>> The University of Melbourne
>> Levels 2 & 3, 161 Barry St
>> Carlton South 3053 Vic Australia
>> Ph:    +61 3 8344 1861
>> Fax:   +61 3 9348 0469
>> Email: fornitoa at unimelb.edu.au
>>
>>
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>
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Alex Fornito
JN Peters Research Fellow
Melbourne Neuropsychiatry Centre
Department of Psychiatry
The University of Melbourne

Melbourne Neuropsychiatry Centre
National Neuroscience Facility
Levels 2 & 3, 161 Barry St
Carlton South Vic 3053 Australia

Phone:	+61 3 8344 1861
Fax:		+61 3 9348 0469
Email:	fornitoa at unimelb.edu.au

www.psychiatry.unimelb.edu.au/mnc



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