137 |
|
A header will normally be produced on the output, unless the |
138 |
|
.I \-h |
139 |
|
option is specified. |
140 |
+ |
Default output format is ASCII text. |
141 |
|
The |
142 |
|
.I \-of, |
143 |
|
.I \-od, |
145 |
|
.I \-oc |
146 |
|
option may be used to specify IEEE float, double, or RGBE (picture) output |
147 |
|
data, respectively. |
148 |
+ |
The |
149 |
+ |
.I \-oc |
150 |
+ |
option is set automatically if input is a collection of RGBE or XYZE pictures. |
151 |
|
.SH EXAMPLES |
152 |
|
To compute workplane illuminances at 3:30pm on Feb 10th: |
153 |
|
.IP "" .2i |
200 |
|
since matrix operations are carried out using 32-bit "float" values. |
201 |
|
This take less memory, but can also be less accurate than an |
202 |
|
equivalent invocation of |
203 |
< |
.I rmtxop(1), |
204 |
< |
which performs all operations on 64-bit "double" values. |
203 |
> |
.I rmtxop(1) |
204 |
> |
or |
205 |
> |
.I rcomb(1), |
206 |
> |
which perform all operations on 64-bit "double" values. |
207 |
|
.SH AUTHOR |
208 |
|
Greg Ward |
209 |
|
.SH "SEE ALSO" |