fraction property
Dimensionless coverage in 0.0, 1.0. Equals pixel_count / (width*height).
Zero when width or height is zero (rejected upstream before encode).
Implementation
@$pb.TagNumber(5)
$core.double get fraction => $_getN(3);
Implementation
@$pb.TagNumber(5)
set fraction($core.double value) => $_setFloat(3, value);