rasterize_lines: Rasterize Lines

In rayvertex: 3D Software Rasterizer

Rasterize Lines

Description

Render a 3D scene made out of lines using a software rasterizer.

Usage

rasterize_lines(
  line_info = NULL,
  filename = NA,
  width = 800,
  height = 800,
  alpha_line = 1,
  parallel = TRUE,
  fov = 20,
  lookfrom = c(0, 0, 10),
  lookat = NULL,
  camera_up = c(0, 1, 0),
  color = "red",
  background = "black",
  debug = "none",
  near_plane = 0.1,
  far_plane = 100,
  block_size = 4,
  ortho_dimensions = c(1, 1),
  bloom = FALSE,
  antialias_lines = TRUE
)

Arguments

line_info	The mesh object.
filename	Default 'NULL'. Filename to save the image. If 'NULL', the image will be plotted.
width	Default '400'. Width of the rendered image.
height	Default '400'. Width of the rendered image.
alpha_line	Default '1'. Line transparency.
parallel	Default 'TRUE'. Whether to use parallel processing.
fov	Default '20'. Width of the rendered image.
lookfrom	Default 'c(0,0,10)'. Camera location.
lookat	Default 'NULL'. Camera focal position, defaults to the center of the model.
camera_up	Default 'c(0,1,0)'. Camera up vector.
color	Default 'darkred'. Color of model if no material file present (or for faces using the default material).
background	Default 'white'. Background color.
debug	Default '"none"'.
near_plane	Default '0.1'.
far_plane	Default '100'.
block_size	Default '4'.
ortho_dimensions	Default 'c(1,1)'. Width and height of the orthographic camera. Will only be used if 'fov = 0'.
bloom	Default 'FALSE'. Whether to apply bloom to the image. If 'TRUE', this performs a convolution of the HDR image of the scene with a sharp, long-tailed exponential kernel, which does not visibly affect dimly pixels, but does result in emitters light slightly bleeding into adjacent pixels.
antialias_lines	Default 'TRUE'. Whether to anti-alias lines in the scene.

Value

Rasterized image.

Examples

if(rayvertex:::run_documentation()) {
#Generate a cube out of lines
cube_outline = generate_line(start = c(-1, -1, -1), end = c(-1, -1, 1)) |>
  add_lines(generate_line(start = c(-1, -1, -1), end = c(-1, 1, -1))) |>
  add_lines(generate_line(start = c(-1, -1, -1), end = c(1, -1, -1))) |>
  add_lines(generate_line(start = c(-1, -1, 1), end = c(-1, 1, 1))) |>
  add_lines(generate_line(start = c(-1, -1, 1), end = c(1, -1, 1))) |>
  add_lines(generate_line(start = c(-1, 1, 1), end = c(-1, 1, -1))) |>
  add_lines(generate_line(start = c(-1, 1, 1), end = c(1, 1, 1))) |>
  add_lines(generate_line(start = c(1, 1, -1), end = c(1, -1, -1))) |>
  add_lines(generate_line(start = c(1, 1, -1), end = c(1, 1, 1))) |>
  add_lines(generate_line(start = c(1, -1, -1), end = c(1, -1, 1))) |>
  add_lines(generate_line(start = c(1, -1, 1), end = c(1, 1, 1))) |>
  add_lines(generate_line(start = c(-1, 1, -1), end = c(1, 1, -1)))
rasterize_lines(cube_outline,fov=90,lookfrom=c(0,0,3))
}
if(rayvertex:::run_documentation()) {
#Scale the cube uniformly
scaled_cube = color_lines(scale_lines(cube_outline,scale=0.5),color="red")
rasterize_lines(add_lines(cube_outline,scaled_cube),fov=90,lookfrom=c(0,0,3))
}
if(rayvertex:::run_documentation()) {
#Scale the cube non-uniformly
scaled_cube = color_lines(scale_lines(cube_outline,scale=c(0.8,2,0.4)),color="red")
rasterize_lines(add_lines(cube_outline,scaled_cube),fov=60,lookfrom=c(3,3,3))
}

rayvertex documentation built on July 9, 2023, 5:52 p.m.