'Declaration

Public ReadOnly Property QualityScale As Double

public double QualityScale { get; }

public: __property double get_QualityScale();

public:
property double QualityScale {
   double get();
}

0.25 - the slice will be rendered on temporary image, which size is 4 times smaller than necessary size, the temporary image will be upscaled with 4-x scale factor and drawn on the result image;
0.5 - the slice will be rendered on temporary image, which size is 2 times smaller than necessary size, the temporary image will be upscaled with 2-x scale factor and drawn on the result image;
1 - the slice will be rendered on the result image.
2 - the slice will be rendered on temporary image, which size is 2 times larger than necessary size, the temporary image will be downscaled with 2-x scale factor and drawn on the result image.
Default value is 1.