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Comparing ray/doc/man/man1/gendaymtx.1 (file contents):
Revision 1.15 by greg, Wed Feb 17 02:30:08 2021 UTC vs.
Revision 1.18 by greg, Mon Aug 5 17:23:56 2024 UTC

# Line 29 | Line 29 | gendaymtx - generate an annual Perez sky matrix from a
29   ][
30   .B "-o{f|d}"
31   ][
32 < .B "-O{0|1}"
32 > .B "\-O{0|1}"
33 > ][
34 > .B "\-i intvl"
35   ]
36   [
37   .B "tape.wea"
# Line 81 | Line 83 | The default value is
83   .I "\-g 0.2 0.2 0.2"
84   corresponding to a 20% gray.
85   .PP
86 + If there is a sun in the description,
87 + .I gendaymtx
88 + will include its contribution in the four nearest sky patches,
89 + distributing energy according to centroid proximity.
90   The
91   .I \-d
92   option may be used to produce a sun-only matrix, with no sky contributions,
# Line 88 | Line 94 | and the ground patch also set to zero.
94   Alternatively, the
95   .I \-s
96   option may be used to exclude any direct solar component from the output,
97 < with the rest of the sky and ground patch unaffected.
92 < If there is a sun in the description,
93 < .I gendaymtx
94 < will include its contribution in the four nearest sky patches,
95 < distributing energy according to centroid proximity.
97 > with the other sky and ground patches unaffected.
98   .PP
99   The
100   .I \-u
# Line 155 | Line 157 | through
157   using a similar transform.
158   .PP
159   The
160 + .I \-i
161 + option specifies the actual capture interval in minutes of the original
162 + weather data.
163 + Please see the man page for
164 + .I gendaylit
165 + to understand this correction, which is applied only near sunrise and
166 + sunset.
167 + .PP
168 + The
169   .I \-of
170   or
171   .I \-od
# Line 190 | Line 201 | Ian Ashdown wrote most of the code,
201   based on Jean-Jacques Delaunay's original gendaylit(1) implementation.
202   Greg Ward wrote the final parameter parsing and weather tape conversion.
203   .SH "SEE ALSO"
204 < dctimestep(1), genBSDF(1), gendaylit(1), gensky(1), genskyvec(1),
205 < rcollate(1), rcontrib(1), rfluxmtx(1), xform(1)
204 > dctimestep(1), genBSDF(1), gendaylit(1), gensdaymtx(1), gensky(1),
205 > genskyvec(1), genssky(1),
206 > rcollate(1), rcontrib(1), rfluxmtx(1), rmtxop(1), xform(1)

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