For pinterp, feed the output of pmblur to the standard input of pinterp and apply the -B option to blur views together. In most cases, two pictures with z-buffers at v0 and v1 will get a satisfactory result, though the perfectionist may wish to apply the -ff option together with the -fr option of pinterp.
To use pmblur with rpict, apply the -S option to indicate a rendering sequence, and set the -o option with a formatted file name to save multiple output pictures. When all the renderings are finished, combine them with the pcomb(1) program, using appropriate scalefactors to achieve an average. Note that using rpict is MUCH more expensive than using pinterp, and it is only recommended if the scene and application absolutely demand it (e.g. there is prominent refraction that must be modeled accurately).
For both pinterp and rpict, the computation time will be proportional to the number of views from pmblur. We have found a nsamp setting somewhere between 5 and 10 to be adequate for most images. Relatively larger values are appropriate for faster camera motion.
pmblur .25 8 fr1023.pic fr1024.pic | pinterp -B -vf fr1023.pic -x 640 -y 480 fr1023.pic fr1023.zbf fr1024.pic fr1024.zbf > fr1023b.pic
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