blind

suckless command-line video editing utility
git clone git://git.suckless.org/blind
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blind-vector-projection.1 (1081B)


      1 .TH BLIND-VECTOR-PROJECTION 1 blind
      2 .SH NAME
      3 blind-vector-projection - Calculate the projection or rejection of colours in a video
      4 .SH SYNOPSIS
      5 .B blind-vector-projection
      6 [-r | -s]
      7 .I plane-stream
      8 .SH DESCRIPTION
      9 .B blind-vector-projection
     10 reads a video from stdin and a video from
     11 .IR plane-stream ,
     12 and calculates the projection of the colours from
     13 stdin onto the colours from
     14 .I plane-stream
     15 and prints the resulting video to stdout.
     16 .P
     17 If stdin is longer than
     18 .IR plane-stream ,
     19 the remainder of stdin is printed without any changes.
     20 If stdin is shorter than
     21 .IR plane-stream ,
     22 the remainder of
     23 .I plane-stream
     24 is ignored but may be partially read.
     25 .SH OPTIONS
     26 .TP
     27 .B -r
     28 Calculate the vector rejection instead of the vector projection.
     29 .TP
     30 .B -s
     31 Calculate the scalar projection instead of the vector projection.
     32 The scalar projection is stored in all four channels.
     33 .SH SEE ALSO
     34 .BR blind (7),
     35 .BR blind-arithm (1),
     36 .BR blind-norm (1),
     37 .BR blind-dot-product (1),
     38 .BR blind-cross-product (1),
     39 .BR blind-quaternion-product (1)
     40 .SH AUTHORS
     41 Mattias Andrée
     42 .RI < maandree@kth.se >