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authorMattias Andrée <maandree@kth.se>2017-07-14 16:30:30 +0200
committerMattias Andrée <maandree@kth.se>2017-07-14 16:30:30 +0200
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Add blind-matrix-{orthoproject,reflect,rotate,scale,shear,translate,transpose}
Signed-off-by: Mattias Andrée <maandree@kth.se>
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+.TH BLIND-MATRIX-ORTHOPROJECT 1 blind
+.SH NAME
+blind-matrix-orthoproject - Create an affine 2D-transformation matrix for othogonal projection
+.SH SYNOPSIS
+.B blind-matrix-orthoproject
+[-c]
+.SH DESCRIPTION
+.B blind-matrix-orthoproject
+creates an affine 2D-transformation matrix for
+othogonal projection. The parameters for the
+matrix is read in stdin in format of a blind video,
+one matrix per frame in stdin created and printed
+to stdout in format of a blind video.
+.P
+Each frame in stdin shall contain exactly 2 pixels,
+the first pixel holds the x-value of the vector the
+image is projected along, the second pixel holds the
+y-value of this vector.
+.P
+The luma (encoding in the Y-channel, the second
+channel) multiplied by the alpha (the fourth channel)
+of the input pixels are used as the values. Each
+values in the resulting matrices are stored
+in all channels.
+.SH OPTIONS
+.TP
+.B -c
+Create different matrices for each channel. Use
+values from each channel in stdin to create
+matrices whose values are stored in the same
+channels in stdout.
+.SH SEE ALSO
+.BR blind (7),
+.BR blind-from-text (1),
+.BR blind-matrix-reflect (1),
+.BR blind-matrix-rotate (1),
+.BR blind-matrix-scale (1),
+.BR blind-matrix-shear (1),
+.BR blind-matrix-translate (1),
+.BR blind-matrix-transpose (1)
+.SH AUTHORS
+Mattias Andrée
+.RI < maandree@kth.se >