The OpenD Programming Language

GuideToColourFunction

A callable struct that translates any value into a colour

struct GuideToColourFunction {

auto opCall(T value, bool scale);

RGBA delegate(double) doubleConvert;

RGBA delegate(string) stringConvert;

double delegate(string) stringToDoubleConvert;

alias isColour = cColor.isColor via import ggplotd.colourspace : isColour;;

auto namedColour(string name) via import ggplotd.colour : namedColour, RGBA;;

alias RGBA = crgb.RGB!("rgba", double) via import ggplotd.colour : namedColour, RGBA;;

struct Nullable(T, T nullValue) via import std.typecons : Nullable;;

Nullable!(double delegate(double)) scaleFunction;

}

Members

Functions

opCall auto opCall(T value, bool scale): Call the function with a value

Variables

doubleConvert RGBA delegate(double) doubleConvert;: Function that governs translation from double to colour (continuous to colour)
scaleFunction Nullable!(double delegate(double)) scaleFunction;: Additional scaling of the field (i.e. log10, polar coordinates)
stringConvert RGBA delegate(string) stringConvert;: Function that governs translation from string to colour (discrete to colour)
stringToDoubleConvert double delegate(string) stringToDoubleConvert;: Function that governs translation from string to double (discrete to continuous)

Meta

Source

See Implementation

ggplotd guide functions

guideFunction

structs