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Comparing ray/doc/man/man1/pinterp.1 (file contents):
Revision 1.6 by greg, Mon Nov 10 19:08:17 2008 UTC vs.
Revision 1.8 by greg, Thu Nov 7 23:20:28 2019 UTC

# Line 51 | Line 51 | This file is usually generated by the
51   .I \-z
52   option of
53   .I rpict(1).
54 + .I Pinterp
55 + also accepts an encoded depth buffer, as produced by
56 + .I rtpict(1)
57 + or
58 + .I rcode_depth(1).
59   If
60   .I zspec
61   is a positive number rather than a file, it will be used as a
# Line 233 | Line 238 | To extrapolate a second eyepoint for a stereo pair and
238   background regions:
239   .IP "" .2i
240   pinterp \-vf right.vf \-ff \-fr "\-av .1 .1 .1 scene.oct" left.hdr left.z > right.hdr
241 + .PP
242 + To convert an angular fisheye to a hemispherical fisheye:
243 + .IP "" .2i
244 + pinterp \-vf fish.hdr \-vth -ff fish.hdr 1 > hemi.hdr
245   .SH AUTHOR
246   Greg Ward
247   .SH "SEE ALSO"
248   getinfo(1), pdfblur(1), pfilt(1), pmblur(1), pmdblur(1), rpict(1),
249 < ranimate(1), rtrace(1), rvu(1)
249 > ranimate(1), rcode_depth(1), rtpict(1), rtrace(1), rvu(1)

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