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.\" RCSid "$Id: genclock.1,v 1.3 2004/01/01 19:31:44 greg Exp $" |
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.TH GENCLOCK 1 4/9/97 RADIANCE |
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.SH NAME |
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genclock - generate a RADIANCE description of a clock |
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.SH SYNOPSIS |
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.B genclock |
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[ |
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.B "\-f face_mat" |
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][ |
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.B "\-c case_mat" |
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][ |
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.B "\-n name" |
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] |
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{ |
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.B HH:MM |
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| |
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.B hours |
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} |
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.SH DESCRIPTION |
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.I Genclock |
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produces a RADIANCE scene description of an analog clock showing the |
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given hour. |
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The hour may either be given as |
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.I HH:MM |
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or decimal |
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.I hours. |
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.PP |
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The face of the clock will have a radius of 1.0 units, with the |
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surrounding case 1.1 (2.2 diameter). |
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The origin is at the center of the back, and the face looks in the |
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positive X-direction. |
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The 12 o'clock direction corresponds to the positive Z-axis. |
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(The Y-axis direction is 3 o'clock.)\0 |
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The |
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.I xform(1) |
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command may be used to resize and relocate the clock as desired. |
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.PP |
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Normally, |
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.I genclock |
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produces all of the materials necessary for its own description, but |
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options are provided to specify alternate materials for the face and |
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case. |
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The numbers on the face are in dark lettering, so the face material |
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must be relatively light for them to show up well. |
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By default, the clock is given the name "clock," but this may be |
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changed with the |
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.I \-n |
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option. |
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.SH EXAMPLE |
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To produce a 12 inch diameter clock showing 10:35 |
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and hang it at 60 on a wall facing the Y-direction at Y=10: |
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.IP "" .2i |
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genclock 10:35 | xform \-s 6 \-rz 90 \-t 20 10 60 |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
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genbox(1), genrev(1), gensurf(1), genworm(1), rpict(1), rvu(1), xform(1) |
