categories

Returns the categories a given kernel function belongs to.

Syntax

• categories(x)

  • x is a kernel function or a string

Description

If x is a kernel function or one of the names of a kernel function, then categories(x) is a list of the categories the function belongs to.

categories(sin)

math
trigonometry

categories(gcd)

math
number theory

categories(MotionBlur)

pixmaps

categories(length)

general
lists
strings
structures
sets

categories(NoteOn)

MIDI

WordWrap(join(filter(functions(), (f ↦ contains(categories(f), "pixmaps"))))) \ 10000

AddBorder, AdjustHSV, AdjustRGB, AlphaDrawRect, AutoCrop, AutoCropRect,
AverageColor, binarize, BlendModes, BoxBlur, color, ColorCount, ColorFreqs,
ColorGradient, CombineChannels, ComponentHighlight, ComputePixmap,
ConvolutionKernel, convolve, CreatePixmap, CustomScanlineRotation, darken,
DissolveToColorRegularly, DissolveToColorStochastically, DistortColor,
DistortMetric, DrawDisk, DrawDisks, DrawLine, DrawLines, DrawRect, DrawSquare,
DrawSquares, EdgeDetect, emboss, ExpandCanvas, ExtendBorder, ExtractChannel,
FadeToColor, FillRect, FixHue, flip, FloodFill, GaussianBlur, GetHSL, GetHSV,
GetRect, GetRGB, height, HexColorCode, hsl, hsv, InvertColor, InvertLightness,
InvertValue, IsCol, IsDark, IsGreyscale, IsOnlyBackground, IsRow, IsSquare,
LinearTransformation, MotionBlur, NamedColors, noise, pixelate, polygon,
RandomColor, RandomScanlineRotation, rgb, ripple, rot180, rot90n, rot90p,
rotate, scale, ScanlineRotation, shear, ShiftHue, shuffle, size, SkewRotation,
stretch, tiles, ToGreyscale, ToMonochromatic, transformation, voronoi, whiten,
width, wind

See also

• function

• functions