Nothing
## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
rgl::setupKnitr()
## ----setup, include=FALSE-----------------------------------------------------
library(brickr)
## ----g1-----------------------------------------------------------------------
demo_img = tempfile()
download.file("http://ryantimpe.com/files/mf_unicorn.PNG", demo_img, mode="wb")
mosaic <- png::readPNG(demo_img) %>%
image_to_mosaic()
mosaic %>% build_mosaic()
## ----g2-----------------------------------------------------------------------
png::readPNG(demo_img) %>%
image_to_mosaic(img_size = 32) %>%
build_mosaic()
## ----c_palettes, fig.width=6, fig.height=4------------------------------------
p1 <- png::readPNG(demo_img) %>%
image_to_mosaic(32, color_palette = c('universal', 'generic')) %>%
build_mosaic(title = "universal & generic")
p2 <- png::readPNG(demo_img) %>%
image_to_mosaic(32, color_palette = c('universal')) %>%
build_mosaic(title = "universal")
gridExtra::grid.arrange(p1, p2, layout_matrix = matrix(c(1,2), ncol=2))
## ----c_bw---------------------------------------------------------------------
png::readPNG(demo_img) %>%
image_to_mosaic(32, color_palette = 'bw', contrast = 1.1)%>%
build_mosaic()
## ----c_custom-----------------------------------------------------------------
#Remove blue and azure colors from lego_colors
lego_colors_wo_blue <- lego_colors %>%
dplyr::filter(!grepl("blue|azur", tolower(Color)))
png::readPNG(demo_img) %>%
image_to_mosaic(32, color_table = lego_colors_wo_blue)%>%
build_mosaic(title = "Mosaic without blue or azur")
## ----c_methods, fig.height=5, fig.width=5-------------------------------------
c("cie94", "cie2000", "euclidean", "cmc") %>%
purrr::map(~png::readPNG(demo_img) %>%
image_to_mosaic(24, method =.x) %>%
build_mosaic(title = .x )) -> mosaics_by_method
gridExtra::grid.arrange(grobs = mosaics_by_method, layout_matrix =rbind(c(1,2),c(3,4)))
## ----c_threed, rgl=TRUE, dev='png'--------------------------------------------
png::readPNG(demo_img) %>%
image_to_mosaic(32) %>%
bricks_from_mosaic(highest_el = "dark") %>%
build_bricks(outline_bricks = TRUE, rgl_lit = FALSE)
#From dput(round(rgl::par3d("userMatrix"),1)) after manual rotation
custom_rotation <- structure(c(0.9, 0.3, -0.3, 0, -0.3, 0.9, -0.3,
0, 0.2, 0.4, 0.9, 0, 0, 0, 0, 1), .Dim = c(4L, 4L))
rgl::par3d(userMatrix = rgl::rotate3d(custom_rotation, 0, 0, pi/4 ,1))
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