make.ishihara: Make "ishihara" object class from a PNG file with transparent...
In liamrevell/ishihara: Ishihara color-vision test
Description
Usage
Arguments
Details
Value
Author(s)
References
View source: R/make.ishihara.R
Description
Function to convert a PNG image to an object of class "ishihara".
Usage
1
make.ishihara(png, hidden=NULL)
Arguments
png
object of class "array" from png::readPNG.
hidden
optionally, the number that is hidden in the Ishihara plate.
Details
The input object should be a PNG image with a transparent background. The user then must click within each of the circles of the Ishihara plate. make.ishihara detects the color & boundary limits of each circle.
Value
Object of class "ishihara".
Author(s)
Liam Revell liam.revell@umb.edu
References
References here.
liamrevell/ishihara documentation built on Oct. 27, 2019, 3:10 p.m.
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Description Usage Arguments Details Value Author(s) References
View source: R/make.ishihara.R
Description
Function to convert a PNG image to an object of class "ishihara".
Usage
1 | make.ishihara(png, hidden=NULL)
|
Arguments
png |
object of class |
hidden |
optionally, the number that is hidden in the Ishihara plate. |
Details
The input object should be a PNG image with a transparent background. The user then must click within each of the circles of the Ishihara plate. make.ishihara detects the color & boundary limits of each circle.
Value
Object of class "ishihara".
Author(s)
Liam Revell liam.revell@umb.edu
References
References here.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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