Mateus,
Go to the website "http://brainmap.wustl.edu/pub/john/";. You will
need to use the username "pub" and the password "download". Get the
file caret5_exe_linux.zip which contains only the caret5 executable.
Place it into your caret installation's "bin" directory. Be sure to
back up your existing bin/caret5 in case you run into problems with
this new caret5.
----------------------------------------------------------
John Harwell
[EMAIL PROTECTED]
314-362-3467
Department of Anatomy and Neurobiology
Washington University School of Medicine
660 S. Euclid Ave. Box 8108
St. Louis, MO 63110 USA
On Jun 15, 2007, at 10:53 AM, Mateus Joffily wrote:
Hi John,
Thank you very much. Sorry for the large attachment. I just
realized the message size, after sending it.
My operating system is Linux.
Thanks again,
Mateus
John Harwell wrote:
Hi Mateus,
The copy of the file you included does not have valid latitude
longitude values. Latitude should range from -90 to +90 and
Longitude should range -180 to +180.
The problem is that Caret is not reading binary format latitude
longitude files correctly and I have just fixed this problem. In
addition, I have modified the Surface Region of Interest Dialog
to allow node selection based upon a range of Lat/Long values.
Let me know which operating system you are using and I will make
an updated version of Caret available for you to download.
Lastly, it is probably not a good idea to include caret data files
in emails as they can make the messages very large. If needed,
we do have a website where files can be uploaded.
----------------------------------------------------------
John Harwell
[EMAIL PROTECTED]
314-362-3467
Department of Anatomy and Neurobiology
Washington University School of Medicine
660 S. Euclid Ave. Box 8108
St. Louis, MO 63110 USA
On Jun 14, 2007, at 3:45 AM, Mateus Joffily wrote:
John,
Thank you for the detailed explanation.
I followed it, but I am not confident that I got the correct
result. To be sure that there was not a problem with my lat/lon
file, I decided to test it with CARET_TUTORIAL_SEPT06/
PAL_B12.BOTH- HEMS.STANDARD-SCENES.73730.spec. I am attaching the
images that I captured from the created metric columns LAT and
LONG. The LONG column has only zeros and the LAT column has some
strange values. Instead, I would expect a grading of values
along the latitude- longitude isocontours. Is it correct? I am
also attaching a copy of the latlon file (PALS_B12.LR.
73730.latlon) converted to metric.
Thanks,
Mateus
John Harwell wrote:
Mateus,
We will add ROI node selection with latitude/longitude to our
"to- do" list.
First, convert the LatLon file to a Metric file:
* Write your latitude/longitude file and be sure that "Data
File Encoding" at the bottom of the Save Data File Dialog is
set to "Ascii (Text)".
* Load the lat/lon file into a text editor.
* Change "tag-version 1" to "tag-version 2"
* Change "tag-number-of-columns 1" to "tag-number-of-columns 4"
* Save the lat/lon file
* Change then name of the lat-lon file so that it ends with
".metric".
* Select File Menu->Open Data File. Set the type to Metric,
choose the file, and press the Open button. A Dialog will
appear listing the columns for loading. Set the names of the
first two columns to "Long" and "Lat" respectively.
Second, to select the ROI
* Use the Display Control to set the displayed metric to "Lat".
* On the Surface ROI Dialog, set the selection method to "Nodes
with Metric".
* Set the Thresholds to the range of latitudes you want to select.
* Press the Select Nodes button.
* On the Display Control Dialog, change the selected metric to
"Long".
* On the Surface ROI Dialog, change "Normal Selection" to "And
Selection (Intersection)".
* Set the thresholds to the range of longitudes you want to select.
* Press the Select Nodes button.
----------------------------------------------------------
John Harwell
[EMAIL PROTECTED]
314-362-3467
Department of Anatomy and Neurobiology
Washington University School of Medicine
660 S. Euclid Ave. Box 8108
St. Louis, MO 63110 USA
On Jun 13, 2007, at 11:13 AM, Mateus Joffily wrote:
Hi,
I would like to select every node that is inside a certain
range of latitude/longitude coordinates.
I thought to create a metric column with the nodes' longitude
and latitude values and then use the 'Node with Metric'
operation from 'Surface Region of Interest' dialog to select
the nodes. But I am not sure it is the easiest way of doing
it... Does anyone has any suggestion?
Thank you very much.
Mateus
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