| 14 |
|
.B "\-d|\-s|\-n" |
| 15 |
|
][ |
| 16 |
|
.B "\-D sunfile" |
| 17 |
< |
][ |
| 17 |
> |
[ |
| 18 |
> |
.B "\-M sunmods" |
| 19 |
> |
]][ |
| 20 |
|
.B "\-r deg" |
| 21 |
|
][ |
| 22 |
|
.B "\-m N" |
| 93 |
|
distributing energy according to centroid proximity. |
| 94 |
|
.PP |
| 95 |
|
The |
| 96 |
+ |
.I \-u |
| 97 |
+ |
option ignores input times when the sun is below the horizon. |
| 98 |
+ |
This is a convenient way to average daylight hours only with the |
| 99 |
+ |
.I \-A |
| 100 |
+ |
option or to ensure that matrix entries correspond to solar positions |
| 101 |
+ |
produced with the |
| 102 |
+ |
.I \-D |
| 103 |
+ |
option, described below. |
| 104 |
+ |
.PP |
| 105 |
+ |
The |
| 106 |
|
.I \-n |
| 107 |
< |
option may be used if no matrix output is desired. |
| 107 |
> |
option may be used if no matrix output is desired at all. |
| 108 |
|
This may be used to merely check the input, or in combination with the |
| 109 |
|
.I \-D |
| 110 |
|
option, below. |
| 113 |
|
.I \-D |
| 114 |
|
option may be used to specify an output file to contain a list of |
| 115 |
|
solar positions and intensities corresponding to time steps in the |
| 116 |
< |
weather tape where the sun is visible above the horizion. |
| 116 |
> |
weather tape where the sun has any portion above the horizion. |
| 117 |
> |
Sun radiance values may be zero if the direct amount is zero on the input. |
| 118 |
> |
Sun modifiers and names will be indexed by the minute, numbered from |
| 119 |
> |
midnight, January 1st. |
| 120 |
> |
If a hyphen ('-') is given as the argument to |
| 121 |
> |
.I \-D, |
| 122 |
> |
then the sun descriptions will be directed to the standard output. |
| 123 |
> |
This implies the |
| 124 |
> |
.I \-n |
| 125 |
> |
option just described. |
| 126 |
> |
If the |
| 127 |
> |
.I \-M |
| 128 |
> |
option is given as well, it will be used to record the modifier |
| 129 |
> |
names used in the |
| 130 |
> |
.I \-D |
| 131 |
> |
output, for convenient input to |
| 132 |
> |
.I rcontrib(1) |
| 133 |
> |
and |
| 134 |
> |
.I rfluxmtx(1). |
| 135 |
|
.PP |
| 136 |
|
By default, |
| 137 |
|
.I gendaymtx |
| 189 |
|
Greg Ward wrote the final parameter parsing and weather tape conversion. |
| 190 |
|
.SH "SEE ALSO" |
| 191 |
|
dctimestep(1), genBSDF(1), gendaylit(1), gensky(1), genskyvec(1), |
| 192 |
< |
rcollate(1), rcontrib(1), xform(1) |
| 192 |
> |
rcollate(1), rcontrib(1), rfluxmtx(1), xform(1) |
