trans3d {grDevices} | R Documentation |

Projection of 3-dimensional to 2-dimensional points using a 4x4
viewing transformation matrix. Mainly for adding to
perspective plots such as `persp`

.

```
trans3d(x, y, z, pmat)
```

`x, y, z` |
numeric vectors of equal length, specifying points in 3D space. |

`pmat` |
a |

a list with two components

`x,y` |
the projected 2d coordinates of the 3d input |

```
## See help(persp) {after attaching the 'graphics' package}
## -----------
```

[Package *grDevices* version 4.2.0 Index]