LN: Natural Logarithm of an Image

rawhtml292#
#command4187#

LN replaces the pixel values in the image 'source' by their base-e logarithm values. Any pixels whose original values were less than or equal to 0 are replaced by -30 in the resulting image. If the INV keyword is specified, the inverse log is taken

<#4192#>Example:<#4192#>
#example4193#