AFNI program: SpharmReco
Output of -help
Spherical Harmonics Reconstruction from a set of harmonics
and their corresponding coefficients.
Usage:
SpharmReco <-i_TYPE S> <-l L>
<-bases_prefix BASES>
<-coef BETA.0> <-coef BETA.1> ...
[<-prefix PREFIX>] [<-o_TYPE SDR> ...]
[-debug DBG] [-sigma s]
Input:
-i_TYPE SURF: SURF is a surface that is only used to provide
the topology of the mesh (the nodes' connections)
-l L: Decomposition order
-bases_prefix BASES_PREFIX: Files containing the bases functions (spherical
harmonics). See SpharmDeco for generating these
files.
-coef COEF.n: BETA.n is the coefficients file that is used to recompose
the nth data column. These files are created with SpharmDeco.
You can specify N coefficient files by repeating the
option on command line. If N is a multiple
of three AND you use -o_TYPE option, then each three
consecutive files are considered to form the XYZ coordinates
of a surface. See sample commands in @Spharm.examples
-prefix PREFIX: Write out the reconstructed data into dataset PREFIX.
the output dataset contains N columns; one for each of the
COEF.n files.
-o_TYPE SDR: Write out a new surface with reconstructed coordinates.
This requires N to be a multiple of 3, so 6 -coef options
will result in 2 surfaces written to disk. The naming of the
surfaces depends on the number of -o_TYPE options used, much
like in SpharmDeco
-debug DBG: Debug levels (1-3)
-sigma s: Smoothing parameter (0 .. 0.001) which weighs down the
contribution of higher order harmonics.
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For more detail, references, and examples, see script @Spharm.examples
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Specifying input surfaces using -i or -i_TYPE options:
-i_TYPE inSurf specifies the input surface,
TYPE is one of the following:
fs: FreeSurfer surface.
If surface name has .asc it is assumed to be
in ASCII format. Otherwise it is assumed to be
in BINARY_BE (Big Endian) format.
Patches in Binary format cannot be read at the moment.
sf: SureFit surface.
You must specify the .coord followed by the .topo file.
vec (or 1D): Simple ascii matrix format.
You must specify the coord (NodeList) file followed by
the topo (FaceSetList) file.
coord contains 3 floats per line, representing
X Y Z vertex coordinates.
topo contains 3 ints per line, representing
v1 v2 v3 triangle vertices.
ply: PLY format, ascii or binary.
Only vertex and triangulation info is preserved.
mni: MNI .obj format, ascii only.
Only vertex, triangulation, and node normals info is preserved.
byu: BYU format, ascii.
Polygons with more than 3 edges are turned into
triangles.
bv: BrainVoyager format.
Only vertex and triangulation info is preserved.
dx: OpenDX ascii mesh format.
Only vertex and triangulation info is preserved.
Requires presence of 3 objects, the one of class
'field' should contain 2 components 'positions'
and 'connections' that point to the two objects
containing node coordinates and topology, respectively.
gii: GIFTI XML surface format.
Note that if the surface filename has the proper extension,
it is enough to use the -i option and let the programs guess
the type from the extension.
-onestate: Make all -i_* surfaces have the same state, i.e.
they all appear at the same time in the viewer.
By default, each -i_* surface has its own state.
For -onestate to take effect, it must precede all -i
options with on the command line.
-anatomical: Label all -i surfaces as anatomically correct.
Again, this option should precede the -i_* options.
Specifying a surface specification (spec) file:
-spec SPEC: specify the name of the SPEC file.
Specifying output surfaces using -o or -o_TYPE options:
-o_TYPE outSurf specifies the output surface,
TYPE is one of the following:
fs: FreeSurfer ascii surface.
fsp: FeeSurfer ascii patch surface.
In addition to outSurf, you need to specify
the name of the parent surface for the patch.
using the -ipar_TYPE option.
This option is only for ConvertSurface
sf: SureFit surface.
For most programs, you are expected to specify prefix:
i.e. -o_sf brain. In some programs, you are allowed to
specify both .coord and .topo file names:
i.e. -o_sf XYZ.coord TRI.topo
The program will determine your choice by examining
the first character of the second parameter following
-o_sf. If that character is a '-' then you have supplied
a prefix and the program will generate the coord and topo names.
vec (or 1D): Simple ascii matrix format.
For most programs, you are expected to specify prefix:
i.e. -o_1D brain. In some programs, you are allowed to
specify both coord and topo file names:
i.e. -o_1D brain.1D.coord brain.1D.topo
coord contains 3 floats per line, representing
X Y Z vertex coordinates.
topo contains 3 ints per line, representing
v1 v2 v3 triangle vertices.
ply: PLY format, ascii or binary.
byu: BYU format, ascii or binary.
mni: MNI obj format, ascii only.
gii: GIFTI format, ascii.
You can also enforce the encoding of data arrays
by using gii_asc, gii_b64, or gii_b64gz for
ASCII, Base64, or Base64 Gzipped.
If AFNI_NIML_TEXT_DATA environment variable is set to YES, the
the default encoding is ASCII, otherwise it is Base64.
Note that if the surface filename has the proper extension,
it is enough to use the -o option and let the programs guess
the type from the extension.
SUMA communication options:
-talk_suma: Send progress with each iteration to SUMA.
-refresh_rate rps: Maximum number of updates to SUMA per second.
The default is the maximum speed.
-send_kth kth: Send the kth element to SUMA (default is 1).
This allows you to cut down on the number of elements
being sent to SUMA.
-sh <SumaHost>: Name (or IP address) of the computer running SUMA.
This parameter is optional, the default is 127.0.0.1
-ni_text: Use NI_TEXT_MODE for data transmission.
-ni_binary: Use NI_BINARY_MODE for data transmission.
(default is ni_binary).
-feed_afni: Send updates to AFNI via SUMA's talk.
-np PORT_OFFSET: Provide a port offset to allow multiple instances of
AFNI <--> SUMA, AFNI <--> 3dGroupIncorr, or any other
programs that communicate together to operate on the same
machine.
All ports are assigned numbers relative to PORT_OFFSET.
The same PORT_OFFSET value must be used on all programs
that are to talk together. PORT_OFFSET is an integer in
the inclusive range [1025 to 65500].
When you want to use multiple instances of communicating programs,
be sure the PORT_OFFSETS you use differ by about 50 or you may
still have port conflicts. A BETTER approach is to use -npb below.
-npq PORT_OFFSET: Like -np, but more quiet in the face of adversity.
-npb PORT_OFFSET_BLOC: Simliar to -np, except it is easier to use.
PORT_OFFSET_BLOC is an integer between 0 and
MAX_BLOC. MAX_BLOC is around 4000 for now, but
it might decrease as we use up more ports in AFNI.
You should be safe for the next 10 years if you
stay under 2000.
Using this function reduces your chances of causing
port conflicts.
See also afni and suma options: -list_ports and -port_number for
information about port number assignments.
You can also provide a port offset with the environment variable
AFNI_PORT_OFFSET. Using -np overrides AFNI_PORT_OFFSET.
-max_port_bloc: Print the current value of MAX_BLOC and exit.
Remember this value can get smaller with future releases.
Stay under 2000.
-max_port_bloc_quiet: Spit MAX_BLOC value only and exit.
-num_assigned_ports: Print the number of assigned ports used by AFNI
then quit.
-num_assigned_ports_quiet: Do it quietly.
Port Handling Examples:
-----------------------
Say you want to run three instances of AFNI <--> SUMA.
For the first you just do:
suma -niml -spec ... -sv ... &
afni -niml &
Then for the second instance pick an offset bloc, say 1 and run
suma -niml -npb 1 -spec ... -sv ... &
afni -niml -npb 1 &
And for yet another instance:
suma -niml -npb 2 -spec ... -sv ... &
afni -niml -npb 2 &
etc.
Since you can launch many instances of communicating programs now,
you need to know wich SUMA window, say, is talking to which AFNI.
To sort this out, the titlebars now show the number of the bloc
of ports they are using. When the bloc is set either via
environment variables AFNI_PORT_OFFSET or AFNI_PORT_BLOC, or
with one of the -np* options, window title bars change from
[A] to [A#] with # being the resultant bloc number.
In the examples above, both AFNI and SUMA windows will show [A2]
when -npb is 2.
[-novolreg]: Ignore any Rotate, Volreg, Tagalign,
or WarpDrive transformations present in
the Surface Volume.
[-noxform]: Same as -novolreg
[-setenv "'ENVname=ENVvalue'"]: Set environment variable ENVname
to be ENVvalue. Quotes are necessary.
Example: suma -setenv "'SUMA_BackgroundColor = 1 0 1'"
See also options -update_env, -environment, etc
in the output of 'suma -help'
Common Debugging Options:
[-trace]: Turns on In/Out debug and Memory tracing.
For speeding up the tracing log, I recommend
you redirect stdout to a file when using this option.
For example, if you were running suma you would use:
suma -spec lh.spec -sv ... > TraceFile
This option replaces the old -iodbg and -memdbg.
[-TRACE]: Turns on extreme tracing.
[-nomall]: Turn off memory tracing.
[-yesmall]: Turn on memory tracing (default).
NOTE: For programs that output results to stdout
(that is to your shell/screen), the debugging info
might get mixed up with your results.
Global Options (available to all AFNI/SUMA programs)
-overwrite: Overwrite existing output dataset.
Equivalent to setting env. AFNI_DECONFLICT=OVERWRITE
-ok_1D_text: Zero out uncommented text in 1D file.
Equivalent to setting env. AFNI_1D_ZERO_TEXT=YES
-Dname=val: Set environment variable 'name' to value 'val'
For example: -DAFNI_1D_ZERO_TEXT=YES
-Vname=: Print value of environment variable 'name' to stdout and quit.
This is more reliable that the shell's env query because it would
include envs set in .afnirc files and .sumarc files for SUMA
programs.
For example: -VAFNI_1D_ZERO_TEXT=
-all_opts: Try to identify all options for the program from the
output of its -help option. Some options might be missed
and others misidentified. Use this output for hints only.
-h_find WORD: Look for lines in this programs's -help output that match
(approximately) WORD.
-h_view: Open help in text editor. AFNI will try to find a GUI editor
on your machine. You can control which it should use by
setting environment variable AFNI_GUI_EDITOR.
-h_web: Open help in web browser. AFNI will try to find a browser
on your machine. You can control which it should use by
setting environment variable AFNI_GUI_EDITOR.
-skip_afnirc: Do not read the afni resource (like ~/.afnirc) file.
-pad_to_node NODE: Output a full dset from node 0 to MAX_NODE-1
** Instead of directly setting NODE to an integer you
can set NODE to something like:
ld120 (or rd17) which sets NODE to be the maximum
node index on an Icosahedron with -ld 120. See
CreateIcosahedron for details.
d:DSET.niml.dset which sets NODE to the maximum node found
in dataset DSET.niml.dset.
** This option is for surface-based datasets only.
Some programs may not heed it, so check the output if
you are not sure.
-pif SOMETHING: Does absolutely nothing but provide for a convenient
way to tag a process and find it in the output of ps -a
-echo_edu: Echos the entire command line to stdout (without -echo_edu)
for edification purposes
Compile Date:
May 31 2013
Ziad S. Saad SSCC/NIMH/NIH ziad@nih.gov
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