Nothing
library(rgl)
tet <- tetrahedron3d()
open3d()
segments3d(t(tet$vb[1:3,]), indices = c(1,2,1,3,1,4,2,3,2,4,3,4))
open3d()
text3d(t(tet$vb[1:3,]), text=1:4)
triangles3d(t(tet$vb[1:3,]), indices = c(1,2,3,1,4,2,1,3,4,2,4,3),
col = "red")
# This displayed a triangle for the red quad (issue #154)
quad <- cbind(x = c(-1, 1, 1, -1),
y = c( 0, 0, 0, 0),
z = c(-1, -1, 1, 1))/2
open3d()
triangles3d(quad, alpha = 0.5, col = "red", indices=c(1,2,3,1,3,4))
id <- triangles3d(quad+1, col = "blue", indices=c(1,2,3,1,3,4))
# These signalled errors or warnings
tri <- as.triangles3d(id)
m <- as.mesh3d(id)
filename <- tempfile(fileext = ".ply")
writePLY(filename)
unlink(filename)
filename <- tempfile(fileext = ".obj")
writeOBJ(filename, separateObjects = FALSE)
readOBJ(filename)
unlink(filename)
filename <- tempfile(fileext = ".stl")
writeSTL(filename)
readSTL(filename)
unlink(filename)
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