blind

suckless command-line video editing utility
git clone git://git.suckless.org/blind
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blind-quaternion-product.1 (1149B)

      1 .TH BLIND-QUATERNION-PRODUCT 1 blind
      2 .SH NAME
      3 blind-quaternion-product - Calculate the quaternion product of colours in a video
      4 .SH SYNOPSIS
      5 .B blind-quaternion-product
      6 .I right-hand-stream
      7 .SH DESCRIPTION
      8 .B blind-quaternion-product
      9 reads left-hand operands from stdin, and right-hand
     10 operands from
     11 .IR right-hand-stream ,
     12 and calculates the quaternion product of the colours.
     13 The values in the the first channel (the X channel) are
     14 treated as real, the values in the the second channel
     15 (the Y channel) are treated as i-imaginary, the values
     16 in the the third channel (the Z channel) are treated
     17 as j-imaginary, and the values in the the fourth channel
     18 (the alpha channel) are treated as k-imaginary.
     19 .P
     20 If stdin is longer than
     21 .IR right-hand-stream ,
     22 the remainder of stdin is printed without any changes.
     23 If stdin is shorter than
     24 .IR right-hand-stream ,
     25 the remainder of
     26 .I right-hand-stream
     27 is ignored but may be partially read.
     28 .SH SEE ALSO
     29 .BR blind (7),
     30 .BR blind-arithm (1),
     31 .BR blind-norm (1),
     32 .BR blind-cross-product (1),
     33 .BR blind-quaternion-product (1),
     34 .BR blind-vector-projection (1)
     35 .SH AUTHORS
     36 Mattias Andrée
     37 .RI < maandree@kth.se >