Last Update Dec. 7, 1997 　日本語はこちら

NUMERICAL SPACE / QUARTIC

POV-Ray's "quartic" defines 3 dimensional surfaces by 4th order equations. I'm not good at mathematics. But "quartic" is in my favor because it generates so curious surfaces. "quartic" is as follows,

I showed some images made by "quartic" on this page and I noted the main expression in the scene file of the images. Please try to generate the same shape on your personal computer.
I want to hear your opinion or your impressions for these images. Please send me E-mail.

    quartic {
    <0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0>
    rotate <30,0,0>
    }

    camera {
    location <-3, -3, -7> look_at <-1, -3, 0> angle 152
    }


Illusion in Blue / 33k / Dec. 1997 / by Tsutomu Higo

    quartic {
    <0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0>
    }

    camera {
    ultra_wide_angle location <-1, 3, -5> look_at <0, -0.3, 0> angle 220
    }


Two Curves / 18k / Dec. 1997 / by Tsutomu Higo

    quartic {
    <1,1,5,0,0,0,50,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0>
    }

    camera {
    ultra_wide_angle location <0.5, 0.4, 1.2> look_at <0, 0.25, 0> angle 360
    }


Shiner in Shells / 39k / Dec. 1997 / by Tsutomu Higo

    quartic {
    <0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0>
    }

    camera {
    location <-1, 3, -5> look_at <0, -0.3, 0> angle 60
    }


Cast Indigo / 24k / Dec. 1997 / by Tsutomu Higo

    quartic {
    <0,1,-1,0,0,0,0,0,0,0,0,0.2,0,0,0,0,0,0,0,3,0,0,0,0,0,0,1,0,0.1,0,0,4,0,0,-1>
    rotate <30,0,0>
    }

    camera {
    ultra_wide_angle location <10000, 0, 5000> look_at <-8000, 0, -10000> angle 200
    }


Crashing Field / 26k / Dec. 1997 / by Tsutomu Higo

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