op_transform | R Documentation |
Guesses z
coordinates and
sorting order to more easily
make 3D graphics with pmap_piece
.
op_transform(
df,
...,
cfg = getOption("piecepackr.cfg", pp_cfg()),
envir = getOption("piecepackr.envir"),
op_angle = getOption("piecepackr.op_angle", 45),
pt_thickness = 0.01,
as_top = character(0),
cfg_class = "list"
)
df |
A data frame with coordinates and dimensions in inches |
... |
Ignored |
cfg |
Piecepack configuration list or |
envir |
Environment (or named list) containing configuration list(s). |
op_angle |
Intended oblique projection angle (used for re-sorting) |
pt_thickness |
Thickness of pyramid tip i.e. value to add to the z-value of a pyramid top if it is a (weakly) smaller ranked pyramid (top) placed on top of a larger ranked pyramid (top). |
as_top |
Character vector of components whose “side”
should be converted to “top” e.g. |
cfg_class |
Either |
The heuristics used to generate guesses
for z
coordinates and sorting order
aren't guaranteed to work in every case.
In some cases you may get better sorting results
by changing the op_angle
or the dimensions of pieces.
A tibble with extra columns added and re-sorted rows
https://trevorldavis.com/piecepackr/3d-projections.html for more details
and examples of oblique projections in piecepackr
.
df <- tibble::tibble(piece_side="tile_back",
x=c(2,2,2,4,6,6,4,2,5),
y=c(4,4,4,4,4,2,2,2,3))
cfg <- game_systems()$piecepack
pmap_piece(df, op_angle=135, trans=op_transform,
op_scale=0.5, default.units="in", cfg=cfg)
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