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Comparing ray/doc/man/man1/pvsum.1 (file contents):
Revision 1.1 by greg, Thu Mar 27 01:26:55 2025 UTC vs.
Revision 1.2 by greg, Thu Mar 27 17:03:41 2025 UTC

# Line 85 | Line 85 | gensky 6 21 12 | genskyvec | rmtxop Blinds30.xml
85   Window2.dmx - | pvsum view%03d.hdr > view_6-21-12.hdr
86   .PP
87   To compute a set of hourly spectral pictures at SFO airport
88 < from a weather tape and set of Tregenza component pictures:
88 > from a weather tape and set of Tregenza component pictures using
89 > 10 processes:
90   .IP "" .2i
91 < gensdaymtx sfo.epw | pvsum -o timestep%04d.hsr tregcomp%03d.hsr
91 > gensdaymtx -of sfo.epw | pvsum -o timestep%04d.hsr -N 10 tregcomp%03d.hsr
92   .SH NOTES
93 < This tool is annoyingly similar to
93 > This tool overlaps with
94   .I dctimestep,
95   but provides some important capabilities.
96   First,
# Line 109 | Line 110 | memory and processint ability.
110   Second, operation was simplified by focusing on the Daylight Coefficient
111   command form, where the DC matrix is represented as a collection of
112   pictures.
113 < By excluding the three or four other operation modes of
113 > By excluding the other operation modes of
114   .I dctimestep,
115 < new features could be explored in
116 < .I pvsum.
117 < For example,
117 < .I pvsum
118 < can write picture data to a series of commands, which
119 < .I dctimestep
120 < does not support.
115 > new functionality could be explored and optimized,
116 > such as floating-point support and
117 > sending output to commands as well as files.
118   .SH AUTHOR
119   Greg Ward
120   .SH "SEE ALSO"

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