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.\" RCSid "$Id" |
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.\" RCSid "$Id$" |
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.TH PINTERP 1 1/24/96 RADIANCE |
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.SH NAME |
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pinterp - interpolate/extrapolate view from pictures |
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The input picture files must contain correct view specifications, as |
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maintained by |
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.I rpict(1), |
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.I rview(1), |
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.I rvu(1), |
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.I pfilt(1) |
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and |
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.I pinterp. |
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.I \-z |
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option of |
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.I rpict(1). |
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.I Pinterp |
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also accepts an encoded depth buffer, as produced by |
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.I rtpict(1) |
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or |
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.I rcode_depth(1). |
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If |
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.I zspec |
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is a positive number rather than a file, it will be used as a |
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multiple times and averaging the output together with a program like |
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.I pcomb(1). |
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This option is useful for simulating motion blur and depth of field. |
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(See also |
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.I pdfblur(1).)\0 |
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(See |
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.I pmdblur(1).)\0 |
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The input views are reported in the information header of the output |
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file, along with the averaged view. |
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The picture dimensions computed from the first view will be the |
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To interpolate two frames of a walk-through animation, anti-alias to |
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512x400 and increase the exposure by 2.5 f-stops: |
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.IP "" .2i |
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pinterp -vf 27.vf -a -x 512 -y 400 -e +2.5 30.pic 30.z 20.pic 20.z > 27.pic |
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pinterp \-vf 27.vf \-a \-x 512 \-y 400 \-e +2.5 30.hdr 30.z 20.hdr 20.z > 27.hdr |
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.PP |
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To extrapolate a second eyepoint for a stereo pair and recalculate |
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background regions: |
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.IP "" .2i |
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pinterp -vf right.vf -ff -fr "-av .1 .1 .1 scene.oct" left.pic left.z > right.pic |
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pinterp \-vf right.vf \-ff \-fr "\-av .1 .1 .1 scene.oct" left.hdr left.z > right.hdr |
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.PP |
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To convert an angular fisheye to a hemispherical fisheye: |
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.IP "" .2i |
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pinterp \-vf fish.hdr \-vth -ff fish.hdr 1 > hemi.hdr |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
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getinfo(1), pdfblur(1), pfilt(1), pmblur(1), rpict(1), ranimate(1), |
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rtrace(1), rview(1) |
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getinfo(1), pdfblur(1), pfilt(1), pmblur(1), pmdblur(1), rpict(1), |
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ranimate(1), rcode_depth(1), rtpict(1), rtrace(1), rvu(1) |
