DimPlot主题调整

theme_dimplot <- theme(legend.title=element_blank(),
legend.text=element_text(colour= 'black',size=14),
axis.text= element_text(colour= 'black',size=14),
axis.title= element_text(size = 14),
axis.line= element_line(colour= 'black'), 
panel.background=element_rect(fill="white"),
panel.border = element_blank())