Add background color radial gradients

add_background_gradient( input, colors = c("white", "black"), stops = seq(0, 1, length.out = length(colors)), center_x = 0.5, center_y = 0.5, focus_x = 0.5, focus_y = 0.5, radius = sqrt(2), rounding = 0, openfile = TRUE, output = input )

input | File name of .svg file to input |
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colors | Vector of gradient colors |

stops | Vector of stops for gradient colors. Ranges from 0 to 1. |

center_x | x-coordinate for center of gradient. Number between 0 and 1. |

center_y | y-coordinate for center of gradient. Number between 0 and 1. |

focus_x | x-coordinate for focus of gradient. Number between 0 and 1. |

focus_y | y-coordinate for focus of gradient. Number between 0 and 1. |

radius | Radius of radial gradient. The default is the square root of 2 so that the gradient extends to the corners of the square. If you want it to extend to the edges, set it to 1. |

rounding | Rounding of background rectangle's corners. The default is 0 (no rounding). A rounding value of 1 creates a circle. If rounding is a vector of 2 values, the x and y rounding parameters are set separately. |

openfile | Open file in default program for .svg format. Defaults to FALSE. |

output | File name of .svg file to output. Default is to overwrite the input file. |

output name

library(spiro) spiro( fixed_radius = 3, cycling_radius = 1, file = "add_background_gradient.svg" ) %>% add_background_gradient(color = c("black","white"))