Atmospheric Effects

version 6/080508 by Mikael Segercrantz

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  • Section 7(a)4 - The smallest unshown region

    To decide which region is the smallest unshown region:
        let final region be the empty region;
        repeat with r running through regions:
            if final region is the empty region:
                if in r:
                    if isshown of r is unshown:
                        let final region be r;
                    repeat through the Table of Atmospheric Definition:
                        if the loci entry is r and the ignoring entry is ignore:
                            let final region be r;
        repeat with r running through regions:
            if in r:
                if r is in the final region:
                    if isshown of r is unshown:
                        let final region be r;
                    repeat through the Table of Atmospheric Definition:
                        if the loci entry is r and the ignoring entry is ignore:
                            let final region be r;
        if isshown of the final region is already shown:
            let final region be the empty region;
        decide on the final region.