visangle: Calculate visual angle given a stimulus size and viewing...

In drknexus/repsych: Package for reproducible psychological research

Description

Calculate visual angle given a stimulus size and viewing distance

Usage

visangle(stimsize.val, viewdist.val, offset = 0)

Arguments

stimsize.val	The stimulus size
viewdist.val	The viewing distance
offset	The offset of the center of the object from the center of the viewing angle

Value

Degrees in visual angle for the given stimulus size

Note

The units of measure should be the same for both parameters

See Also

stimsize viewdist link{visangle3D}

Examples

visangle(10,100)
visangle(visangle(0.75438,45),viewdist(visangle(0.75438,45),0.75438))

drknexus/repsych documentation built on May 15, 2019, 2:19 p.m.