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Comparing ray/doc/man/man1/rtrace.1 (file contents):
Revision 1.4 by greg, Thu Jan 1 19:31:45 2004 UTC vs.
Revision 1.7 by greg, Tue Apr 19 01:15:06 2005 UTC

# Line 89 | Line 89 | v      value (radiance)
89   .IP
90   w       weight
91   .IP
92 + W       contribution
93 + .IP
94   l       effective length of ray
95   .IP
96   L       first intersection distance
# Line 105 | Line 107 | s      surface name
107   .IP
108   m       modifier name
109   .IP
110 + M       material name
111 + .IP
112   If the letter 't' appears in
113   .I spec,
114   then the fields following will be printed for every ray traced,
115   not just the final result.
116 + If the capital letter 'T' is given instead of 't', then all rays will
117 + be reported, including shadow testing rays to light sources.
118   Spawned rays are indented one tab for each level.
119   .IP
120   Note that there is no space between this option and its argument.
121   .TP
122 < .BI -te \ mat
122 > .BI -te \ mod
123   Append
124 < .I mat
124 > .I mod
125   to the trace exclude list,
126   so that it will not be reported by the trace option
127   .I (\-o*t*).
128   Any ray striking an object having
129 < .I mat
129 > .I mod
130   as its modifier will not be reported to the standard output with
131   the rest of the rays being traced.
132 < This option has no effect unless the 't' option has been given as
133 < part of the output specifier.
134 < Any number of excluded materials may be given, but each
132 > This option has no effect unless either the 't' or 'T'
133 > option has been given as part of the output specifier.
134 > Any number of excluded modifiers may be given, but each
135   must appear in a separate option.
136   .TP
137 < .BI -ti \ mat
137 > .BI -ti \ mod
138   Add
139 < .I mat
139 > .I mod
140   to the trace include list,
141   so that it will be considered during the indirect calculation.
142   The program can use either an include list or an exclude
# Line 139 | Line 145 | list, but not both.
145   .BI -tE \ file
146   Same as
147   .I \-te,
148 < except read materials to be excluded from
148 > except read modifiers to be excluded from
149   .I file.
150   The RAYPATH environment variable determines which directories are
151   searched for this file.
152 < The material names are separated by white space in the file.
152 > The modifier names are separated by white space in the file.
153   .TP
154   .BI -tI \ file
155   Same as
156   .I \-ti,
157 < except read materials to be included from
157 > except read modifiers to be included from
158   .I file.
159   .TP
160   .BR \-i
# Line 427 | Line 433 | header of the ambient file.
433   .I Getinfo(1)
434   may be used to print out this information.
435   .TP
436 < .BI -ae \ mat
436 > .BI -ae \ mod
437   Append
438 < .I mat
438 > .I mod
439   to the ambient exclude list,
440   so that it will not be considered during the indirect calculation.
441   This is a hack for speeding the indirect computation by
442   ignoring certain objects.
443   Any object having
444 < .I mat
444 > .I mod
445   as its modifier will get the default ambient
446   level rather than a calculated value.
447 < Any number of excluded materials may be given, but each
447 > Any number of excluded modifiers may be given, but each
448   must appear in a separate option.
449   .TP
450 < .BI -ai \ mat
450 > .BI -ai \ mod
451   Add
452 < .I mat
452 > .I mod
453   to the ambient include list,
454   so that it will be considered during the indirect calculation.
455   The program can use either an include list or an exclude
# Line 452 | Line 458 | list, but not both.
458   .BI -aE \ file
459   Same as
460   .I \-ae,
461 < except read materials to be excluded from
461 > except read modifiers to be excluded from
462   .I file.
463   The RAYPATH environment variable determines which directories are
464   searched for this file.
465 < The material names are separated by white space in the file.
465 > The modifier names are separated by white space in the file.
466   .TP
467   .BI -aI \ file
468   Same as
469   .I \-ai,
470 < except read materials to be included from
470 > except read modifiers to be included from
471   .I file.
472   .TP
473   .BI -me " rext gext bext"
# Line 592 | Line 598 | cnt 640 480 | rcalc -e 'xr:640;yr:480' -f unusual_view
598   .SH ENVIRONMENT
599   RAYPATH         the directories to check for auxiliary files.
600   .SH FILES
601 < /usr/tmp/rtXXXXXX               common header information for picture sequence
601 > /tmp/rtXXXXXX           common header information for picture sequence
602   .SH DIAGNOSTICS
603   If the program terminates from an input related error, the exit status
604   will be 1.

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