Description Usage Arguments Value Examples

Generate a sample of nondominated points.

1 2 3 4 5 6 7 8 9 10 11 12 |

`p` |
Dimension of the points. |

`n` |
Number of samples generated (note only a subset of these will be non-dominated). |

`range` |
The range of the points in each dimension (a vector or matrix with |

`random` |
Random sampling. |

`sphere` |
Generate points on a sphere. |

`box` |
Generate points in boxes. |

`keep` |
Keep dominated points also. |

`crit` |
Criteria used (a vector of min/max). |

`dubND` |
Should duplicated non-dominated points be considered as non-dominated. |

`...` |
Further arguments passed on to |

A data frame with `p+1`

columns (last one indicate if dominated or not).

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | ```
range <- matrix(c(1,100, 50,100, 10,50), ncol = 2, byrow = TRUE )
pts <- genNDSet(3, 50, range = range, random = TRUE, keep = TRUE)
head(pts)
Rfast::colMinsMaxs(as.matrix(pts))
ini3D(FALSE, argsPlot3d = list(xlim = c(min(pts[,1])-2,max(pts[,1])+10),
ylim = c(min(pts[,2])-2,max(pts[,2])+10),
zlim = c(min(pts[,3])-2,max(pts[,3])+10)))
plotPoints3D(pts[,1:3])
plotPoints3D(pts[pts$nd,1:3], argsPlot3d = list(col = "red", size = 10))
plotCones3D(pts[pts$nd,1:3], argsPolygon3d = list(alpha = 1))
finalize3D()
ini3D()
range <- c(1,100)
cent <- rep(range[1] + (range[2]-range[1])/2, 3)
pts <- genNDSet(3, 100, range = range, sphere = TRUE, keep = TRUE,
argsSphere = list(center = cent))
rgl::spheres3d(cent, radius=49.5, color = "grey100", alpha=0.1)
plotPoints3D(pts)
plotPoints3D(pts[pts$nd,], argsPlot3d = list(col = "red", size = 10))
rgl::planes3d(cent[1],cent[2],cent[3],-sum(cent^2), alpha = 0.5, col = "red")
finalize3D()
ini3D()
cent <- c(100,100,100)
r <- 75
planeC <- c(cent+r/3)
planeC <- c(planeC, -sum(planeC^2))
pts <- genNDSet(3, 100, keep = TRUE,
argsSphere = list(center = cent, radius = r, below = FALSE, plane = planeC, factor = 6))
rgl::spheres3d(cent, radius=r, color = "grey100", alpha=0.1)
plotPoints3D(pts)
plotPoints3D(pts[pts$nd,], argsPlot3d = list(col = "red", size = 10))
rgl::planes3d(planeC[1],planeC[2],planeC[3],planeC[4], alpha = 0.5, col = "red")
finalize3D()
``` |

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