安装包
library(ggplot2)# install.packages("gggenes")# devtools::install_github("wilkox/gggenes")library(gggenes)
p1 <- ggplot(example_genes, aes(xmin = start, xmax = end, y = molecule, fill = gene)) + geom_gene_arrow() + facet_wrap(~ molecule, scales = "free", ncol = 1) + scale_fill_brewer(palette = "Set3")ggsave("test.pdf", p, width = 10, height = 20)
image.png
注意这里绘图需要将Rstudio的绘图区拉到最高(尽量高,否则会报错)
为什么会知道了,参考了此链接
Error in grid.Call(C_convert, x, as.integer(whatfrom), as.integer(whatto), : Viewport has zero dimension(s)
image.png
p2 <- ggplot2::ggplot(example_genes, ggplot2::aes(xmin = start, xmax = end, y =molecule, fill = gene)) + geom_gene_arrow() + ggplot2::facet_wrap(~ molecule, scales = "free", ncol = 1) + ggplot2::scale_fill_brewer(palette = "Set3") + theme_genes() dummies <- make_alignment_dummies( example_genes, ggplot2::aes(xmin = start, xmax = end, y = molecule, id = gene), on = "genE")
image.png
geom_gene_arrow() + ggplot2::geom_blank(data = dummies) + ggplot2::facet_wrap(~ molecule, scales = "free", ncol = 1) + ggplot2::scale_fill_brewer(palette = "Set3") + theme_genes()
image.png
p4 <- ggplot2::ggplot(example_genes, ggplot2::aes(xmin = start, xmax = end, y =molecule, fill = gene, label = gene)) + geom_gene_arrow(arrowhead_height = unit(3, "mm"), arrowhead_width = unit(1, "mm")) + geom_gene_label(align = "left") + ggplot2::geom_blank(data = dummies) + ggplot2::facet_wrap(~ molecule, scales = "free", ncol = 1) + ggplot2::scale_fill_brewer(palette = "Set3") + theme_genes()
image.png
example_genes$direction <- ifelse(example_genes$strand == "forward", 1, -1) p5 <- ggplot2::ggplot(subset(example_genes, molecule == "Genome1"), ggplot2::aes(xmin = start, xmax = end, y = strand, fill = gene, forward = direction)) + geom_gene_arrow() + theme_genes()
image.png
作者:二货潜
链接:https://www.jianshu.com/p/cb240a02d4b5
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