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.B getinfo |
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[ |
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.B -d |
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+ |
| |
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+ |
.B +d |
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][ |
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.B "file .." |
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] |
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.br |
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.B getinfo |
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+ |
[ |
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+ |
.B -d |
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+ |
] |
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- |
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+ |
.br |
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+ |
.B getinfo |
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+ |
{ |
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+ |
.B -a |
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+ |
| |
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+ |
.B -r |
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} |
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+ |
.B "info_line1 .." |
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+ |
.br |
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+ |
.B getinfo |
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+ |
[ |
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+ |
.B -d |
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+ |
| |
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+ |
.B +d |
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+ |
] |
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+ |
.B -c |
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+ |
.B "command .." |
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.SH DESCRIPTION |
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.I Getinfo |
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|
reads the header of each RADIANCE |
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For a picture, |
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.I "getinfo \-d" |
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prints the y and x resolution (\-Y yres +X xres). |
| 58 |
+ |
The |
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+ |
.I \+d |
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+ |
option prints the header followed by a newline and the dimensions. |
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If no |
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.I file |
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|
is given, the standard input is read. |
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|
.PP |
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< |
The second form of getinfo with a hyphen simply removes the header |
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> |
The second form of |
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> |
.I getinfo |
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> |
with a hyphen simply removes the header |
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|
and copies the body of the file from the standard |
| 69 |
|
input to the standard output. |
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< |
.SH EXAMPLE |
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< |
To print the header information from scene1.oct and scene2.pic: |
| 70 |
> |
If the |
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> |
.I \-d |
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> |
option is given, then the resolution string will be elided as well. |
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> |
.PP |
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> |
The third form of |
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> |
.I "getinfo \-a" |
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> |
adds one or more header lines to the standard input. |
| 77 |
> |
These lines are given as arguments to |
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> |
.I getinfo, |
| 79 |
> |
and must be quoted if they contain spaces. |
| 80 |
> |
The alternative form with |
| 81 |
> |
.I \-r |
| 82 |
> |
replaces any previous occurances of the settings in the given |
| 83 |
> |
line(s) with nothing if there is only one word, or with |
| 84 |
> |
the whole line if quoted and containing interior white space or |
| 85 |
> |
an equals sign ('='). |
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> |
Any leading white space matches any leading number of spaces and |
| 87 |
> |
tabs in the input header. |
| 88 |
> |
.PP |
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> |
The fourth form of |
| 90 |
> |
.I "getinfo \-c" |
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> |
is followed by a command and its arguments, which is executed |
| 92 |
> |
on the data segment of the standard input. |
| 93 |
> |
The header is passed along, with the addition of the command |
| 94 |
> |
at the end. |
| 95 |
> |
This is roughly equivalent to the following sequence, but does not |
| 96 |
> |
require the input to be in a file: |
| 97 |
|
.IP "" .2i |
| 98 |
< |
getinfo scene1.oct scene2.pic |
| 98 |
> |
( getinfo < input ; getinfo - < input | command .. ) |
| 99 |
> |
.PP |
| 100 |
> |
If the |
| 101 |
> |
.I \+d |
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> |
option is given with |
| 103 |
> |
.I \-c, |
| 104 |
> |
then the resolution string will be copied before the command is called. |
| 105 |
> |
If the |
| 106 |
> |
.I \-d |
| 107 |
> |
option is given, then the resolution string is read in but not copied. |
| 108 |
> |
.SH EXAMPLES |
| 109 |
> |
To print the header information from scene1.oct and scene2.hdr: |
| 110 |
> |
.IP "" .2i |
| 111 |
> |
getinfo scene1.oct scene2.hdr |
| 112 |
> |
.PP |
| 113 |
> |
To print the dimensions of a set of pictures: |
| 114 |
> |
.IP "" .2i |
| 115 |
> |
getinfo -d *.hdr |
| 116 |
> |
.PP |
| 117 |
> |
To add two header lines modifying the view |
| 118 |
> |
and exposure calibration of a picture: |
| 119 |
> |
.IP "" .2i |
| 120 |
> |
getinfo -a "VIEW= -vta -vh 180 -vv 180" "EXPOSURE=1.5" < orig.hdr > modified.hdr |
| 121 |
> |
.PP |
| 122 |
> |
To remove any indented lines containing "EXPOSURE=" and replace any |
| 123 |
> |
left-justified "EXPOSURE=" lines with a single value of 16: |
| 124 |
> |
.IP "" .2i |
| 125 |
> |
getinfo -r " EXPOSURE=" "EXPOSURE=16" < orig.hdr > fixed.hdr |
| 126 |
> |
.PP |
| 127 |
> |
To raise floating-point matrix elements to a power of 2.7: |
| 128 |
> |
.IP "" .2i |
| 129 |
> |
getinfo -c rcalc -if -of -e '$1=$1^2.7' < input.fmx > output.fmx |
| 130 |
|
.SH AUTHOR |
| 131 |
|
Greg Ward |
| 132 |
|
.SH "SEE ALSO" |
| 133 |
< |
oconv(1), pfilt(1), rhinfo(1), rpict(1), rvu(1) |
| 133 |
> |
oconv(1), pfilt(1), rcalc(1), rhinfo(1), rpict(1), rsplit(1), rtrace(1), rvu(1) |
