Afni3dhistog
Afni3dhistog is a wrapper for the AFNI (RW Cox, NIH) 3dhistog application.
3dhistog -- Utility program to extract a histogram of a 3D dataset.
AFNI 3dhistog was written by Medical College of Wisconsin.
For more information about the AFNI package, see the AFNI Homepage
To see the AFNI postscript documentation please go here.
To read the help documentation generated from the command line go here.
To learn about afni data types follow this link.
Invocation
java Afni3dhistog
This starts up the java interpreter and runs the Afni3dhistog application.
You need to have set up your environment
for java in order for this to work.
For information on how to invoke the command line program, 3dhistog,
please go here.
Afni3dhistog window
Information to be entered
- Input Dataset
This is where your Afni Bucket goes.
- Output File
This is an optional field. If you like, you can save your histogram
to disk. Note that, if you are going to view a file graphically, you must
save your file to disk.
- Dataset Sub Brick
This lets you select which sub brick you want to histogram in your
dataset. If you are unsure what setting would be valid, use Afni3dinfo.
- Threshold Sub Brick
Use the Threshold from this specified sub brick as input for the histogram.
- Inclusion Threshold
Gives the range of what numbers are valid for inclusion of the histogram.
Example, for voxel x to be included in the histogram, x must be greater
than the Inclusion Threshold, i.
- Number of Bins
The number of times your histogram will be split up into separate ranges.
Values under 10 are not recommended. Not all values are acceptable, so
experiment.
- Omit Value
Specify a value which you wish to be ommited from your histogram here.
- Omit Title in Output
Supresses the titles above each category in your histogram by checking
this box.
- Editing Options...
- View Results
Display a graph of the histogram.
Last updated Fri May 04 16:42:54 EDT 2001