13 |
|
][ |
14 |
|
.B "\-d|\-s|\-n" |
15 |
|
][ |
16 |
< |
.B "\-D sunfile" |
16 |
> |
.B "\-u" |
17 |
|
][ |
18 |
+ |
.B "\-D sunfile" |
19 |
+ |
[ |
20 |
|
.B "\-M sunmods" |
21 |
< |
][ |
21 |
> |
]][ |
22 |
|
.B "\-r deg" |
23 |
|
][ |
24 |
|
.B "\-m N" |
81 |
|
.I "\-g 0.2 0.2 0.2" |
82 |
|
corresponding to a 20% gray. |
83 |
|
.PP |
84 |
+ |
If there is a sun in the description, |
85 |
+ |
.I gendaymtx |
86 |
+ |
will include its contribution in the four nearest sky patches, |
87 |
+ |
distributing energy according to centroid proximity. |
88 |
|
The |
89 |
|
.I \-d |
90 |
|
option may be used to produce a sun-only matrix, with no sky contributions, |
92 |
|
Alternatively, the |
93 |
|
.I \-s |
94 |
|
option may be used to exclude any direct solar component from the output, |
95 |
< |
with the rest of the sky and ground patch unaffected. |
90 |
< |
If there is a sun in the description, |
91 |
< |
.I gendaymtx |
92 |
< |
will include its contribution in the four nearest sky patches, |
93 |
< |
distributing energy according to centroid proximity. |
95 |
> |
with the other sky and ground patches unaffected. |
96 |
|
.PP |
97 |
|
The |
98 |
+ |
.I \-u |
99 |
+ |
option ignores input times when the sun is below the horizon. |
100 |
+ |
This is a convenient way to average daylight hours only with the |
101 |
+ |
.I \-A |
102 |
+ |
option or to ensure that matrix entries correspond to solar positions |
103 |
+ |
produced with the |
104 |
+ |
.I \-D |
105 |
+ |
option, described below. |
106 |
+ |
.PP |
107 |
+ |
The |
108 |
|
.I \-n |
109 |
< |
option may be used if no matrix output is desired. |
109 |
> |
option may be used if no matrix output is desired at all. |
110 |
|
This may be used to merely check the input, or in combination with the |
111 |
|
.I \-D |
112 |
|
option, below. |
115 |
|
.I \-D |
116 |
|
option may be used to specify an output file to contain a list of |
117 |
|
solar positions and intensities corresponding to time steps in the |
118 |
< |
weather tape where the sun has any portion above the horizion. |
118 |
> |
weather tape where the sun has any portion above the horizon. |
119 |
|
Sun radiance values may be zero if the direct amount is zero on the input. |
120 |
|
Sun modifiers and names will be indexed by the minute, numbered from |
121 |
|
midnight, January 1st. |