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This is the command mincmakescalar that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


mincmakescalar - convert vector minc files to scalar

SYNOPSIS


mincmakescalar [<options>] <in>.mnc <out>.mnc

DESCRIPTION


Mincmakescalar converts vector minc files to scalar minc files. A vector minc file is one
that contains the dimension vector_dimension as the fastest varying dimension of the
image data and represents vector data at each voxel such as RGB images or gradient
volumes. A scalar minc file does not contain the vector dimension and represents grayscale
or intensity data.

A variety of conversion schemes are possible. The simplest is an average of the components
of the vector. The magnitude of the vector at each voxel can also be computed. RGB volumes
can be converted to greyscale by a standard linear combination. Finally, the user can
supply a list of coefficients for a linear combination of vector components.

Some options will require a specific number of components on the input vectors (RGB data
should have 3 components and the number of coefficients supplied for the linear
combination should match the number of components on the input vectors), but the program
will also accept input scalar data and will copy it through without modification.

OPTIONS


Note that options can be specified in abbreviated form (as long as they are unique) and
can be given anywhere on the command line.

General options


-2 Create a MINC 2.0 format output file.

-clobber
Overwrite an existing file.

-noclobber
Don't overwrite an existing file (default).

-no_clobber
Synonym for -noclobber.

-verbose
Print out progress information for each chunk of data copied (default).

-quiet Do not print out progress information.

-buffer_size size
Specify the maximum size of the internal buffers (in kbytes). Default is 10 MB.

-filetype
Create an output file with the same type as the first input file (default).

-byte Store output voxels as 8-bit integers.

-short Store output voxels as 16-bit integers.

-int Store output voxels as 32-bit integers

-long Superseded by -int.

-float Store output voxels as 32-bit floating point numbers.

-double
Store output voxels as 64-bit floating point numbers.

-signed
Create an output file with data stored in a signed type. This only has an effect if
the one of the -byte, -short or -int options is specified.

-unsigned
Create an output file with data stored in an unsigned type. This only has an effect
if the one of the -byte, -short or -int options is specified.

-valid_range min max
Create an output file with integer data stored in the specified restricted range.
This only has an effect if the one of the -byte, -short or -int options is
specified.

Conversion options


-magnitude
Compute the magnitude of each vector (default).

-average
Compute the average of the components of each vector.

-rgbtogrey
Convert RGB (3-component) files to greyscale using a linear combination with
standard set of weighting coefficients.

-rgbtogray
Synonym for -rgbtogrey.

-linear c1,c2,c3,...
Compute a linear combination of the components of each vector using the specified
coefficients (these weights must be given as a comma or space-separated list of
numbers in a single command-line argument). The number of coefficients must match
the number of components on the input vectors.

Generic options for all commands:


-help Print summary of command-line options and exit.

-version
Print the program's version number and exit.

EXAMPLES


To convert an RGB file to an grayscale file:

mincmakescalar -rgbtogrey rgb.mnc gray.mnc

To compute the gradient magnitude from a gradient volume

mincmakescalar -magnitude gradient.mnc magnitude.mnc

To convert an RGB file to a grayscale file using a different set of weighting factors for
red, green and blue:

mincmakescalar -linear '0.2,0.5,0.3' rgb.mnc gray.mnc

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