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This works fine with megapov 0.5a (the bicubic patch has a checker pigment
applied to it) but in megapov 0.6a the bicubic patch is just white:
camera { location -z*8 look_at 0 angle 35 }
light_source { -z*10, 1 }
bicubic_patch
{ type 1 flatness 0 u_steps 4 v_steps 4,
0, x, x*2, x*3,
y, x+y, x*2+y, x*3+y,
y*2, x+y*2, x*2+y*2, x*3+y*2,
y*3, x+y*3, x*2+y*3, x*3+y*3
uv_mapping
pigment { checker rgb x, rgb 1 scale .125 }
translate <-1.5,-1.5,0>
}
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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![](/i/fill.gif) |