ShowPlay Reference Manual, Chapter 3 (ControlVariables): hgtscale
HGTSCALE is a floating point number – its default value is 1.0.
If HGTSCALE is not 1.0, Showplay will scale all images to be displayed by HGTSCALE vertically when they are loaded into memory.
See Also:
Display Scaling,
Widscale,
Sx0,
Sy0,
RGBscale
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