| 47 |
|
automatically selected. |
| 48 |
|
Otherwise, the output defaults to 24-bit RGB. |
| 49 |
|
.TP |
| 50 |
+ |
.BR -z |
| 51 |
+ |
Output LZW-compressed TIFF (smaller file). |
| 52 |
+ |
.TP |
| 53 |
|
.BR -h |
| 54 |
|
Mimic human visual response in the output. |
| 55 |
|
The goal of this process is to produce output that correlates |
| 105 |
|
.SH EXAMPLES |
| 106 |
|
To convert a RADIANCE picture to an 8-bit grayscale TIFF: |
| 107 |
|
.IP "" .2i |
| 108 |
< |
normtiff -b scene.pic sceneb.tif |
| 108 |
> |
normtiff \-b scene.hdr sceneb.tif |
| 109 |
|
.PP |
| 110 |
|
To condition a high dynamic-range TIFF for a particular film recorder with |
| 111 |
|
known color primaries, dynamic range and gamma response: |
| 112 |
|
.IP "" .2i |
| 113 |
< |
pcond -d 50 -g 2.5 -p .580 .340 .281 .570 .153 .079 .333 .333 orig.tif filmrgb.tif |
| 113 |
> |
pcond \-d 50 \-g 2.5 \-p .580 .340 .281 .570 .153 .079 .333 .333 orig.tif filmrgb.tif |
| 114 |
|
.PP |
| 115 |
|
To simulate human visual response on a monitor with known maximum luminance: |
| 116 |
|
.IP "" .2i |
| 117 |
< |
normtiff -h -u 80 scene.pic sceneh.tif |
| 117 |
> |
normtiff \-h \-u 80 scene.hdr sceneh.tif |
| 118 |
|
.SH REFERENCE |
| 119 |
|
Greg Ward Larson, Holly Rushmeier, Christine Piatko, |
| 120 |
|
``A Visibility Matching Tone Reproduction Operator for High Dynamic Range |
