theme_black_bg makes the background of the image black, theme_no_ticks removes tick marks from the axes, theme_all_blank removes additional aesthetic labels from the ggplot image,

theme_black_bg()

theme_all_blank()

theme_no_ticks()

Value

ggplot theme objects

Examples

if (FALSE) {
library(oro.nifti)
library(ggplot2)

s_map1<-readNIfTI(system.file('seed_corr_1.nii.gz', package='ggBrain'))
template <- readNIfTI(system.file('template.nii.gz', package='ggBrain'))

dd<-ggBrain(brains=template,mask=template>0,
  mar=c(3,3),mar_ind=c(30,40),col_ind=c(1,2),
  type='structural',center_coords=FALSE)+
 scale_fill_continuous(low="black", high="white")

#without theme settings
dd

#with theme settings
dd + theme_black_bg()
dd + theme_black_bg() + theme_no_ticks()
dd + theme_black_bg() + theme_all_blank()
}