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ggplotify 0.1.2

  • support oncoplot object in 'aplot' and 'aplotExtra' (2023-07-18, Tue)

ggplotify 0.1.1

  • supports gglist object (2023-06-26, Mon)

ggplotify 0.1.0

  • supports bbplot object (2021-09-02, Thu)

ggplotify 0.0.9

  • import yulab.utils (2021-08-20, Fri)
  • ... parameter in as.ggplot (2021-08-06, Fri)

ggplotify 0.0.8

  • allows passing envir to base2grob (2021-08-04, Wed, #11)

ggplotify 0.0.7

  • patchwork object supported (2021-05-11, Tue)

ggplotify 0.0.6

ggplotify 0.0.5

  • hjust and vjust parameters in as.ggplot (2020-03-11, Wed)
  • grid2grob for all plot generated by grid (2019-08-21, Wed)
    • can be converted also using expression or function that supported in previous version

ggplotify 0.0.4

  • as.grob method for Heatmap object (defined in ComplexHeatmap package) (2019-08-06, Tue)
  • as.grob method for eulergram object (defined in eulerr package) (2019-05-09, Thu)

ggplotify 0.0.3

  • as.grob method for pheatmap object (2018-08-03, Fri)
  • support converting magick-image to grob and ggplot object. (2018-04-25, Wed)
  • redefined as.grob as S3 Generics.

ggplotify 0.0.2

  • add NEWS.md, README and example in man (2018-04-24, Tue)

ggplotify 0.0.1

  • as.grob by combining ggimage::toGrob and base2grob package which was deprecated
    • as.grob can convert base plot or grid plot (e.g. vcd, UpSetR packages) to grob object
  • as.ggplot supports all as.grob-supported plots.

History of ggplot 0.0.0

embed base to grid plot (2015, ChIPseeker)

I figured out a way to embed base plot (vennpie) to grid plot (upset) when developing upsetplot function in ChIPseeker package for visualizing overlap of ChIPseq data in 2015, http://guangchuangyu.github.io/2015/07/upsetplot-in-chipseeker/.

embed ggplot (2015, ggtree and ggimage)

I developed a subview function in ggtree package in 2015, for embeding subplots, https://github.com/YuLab-SMU/ggtree/commit/2ab2876d5e92454869c3307ea6f3c8e2656630ef.

This function was re-implemented as geom_subview and packed in the ggimage package.

embed plots (base, lattic, ggplot or image) to ggplot (2017, ggimage and hexSticker)

In the early of 2017, I started to develop R script to produce ggtree sticker. @lgatto first came out with an idea of makeing an R package for producing hex sticker by packing my script into a function, Bioconductor/BiocStickers#12. I have several ideas to improve the package, including producing print-ready figure, employing modular design and supporting grammar of graphics, as well as supporting subplot generated by base and lattice. I started to develop the hexSticker package, GuangchuangYu/hexSticker#2, with base plot, lattice, ggplot2 and image file supported as subplot, which was actually implemented in ggimage (toGrob function, image file are supported by geom_image).

convert base to grob (2018, base2grob)

I wrote a blog post, http://guangchuangyu.github.io/cn/2018/03/five-questions-of-meme/, to ask questions based on the meme package to help users understand ggplot2.

After I wrote the sentence:

if you know how ggsave works, you can even extend it to support base plot

I started to extend ggsave to support base plot by using formula or expression, e.g. ggsave(~base_plot).

After that, I asked myself, why not extending cowplot to support base plot with the fact that I already have source code to convert base plot to grob object (ggimage:::toGrob). Then I developed the base2grob package and submit it to CRAN.

convert (almost all) plots to ggplot (2018, ggplotify)

I wrote a blog post, http://guangchuangyu.github.io/cn/2018/04/ggvenn/, to introduce ggvenn function (in yyplot package, only available on GitHub), and started to play with the UpSetR package. I believe upset plot contains too much empty space and can embed a venn plot as I did in 2015 with vennpie. I created a PR, hms-dbmi/UpSetR#112, to make it possible to capture upset output and be able to be converted to grob object. I thought it would be more easy if I further convert the object to ggplot then I can directly use ggimage::geom_subview() to embed ggvenn inside upset plot. With this idea, I started to implement as.ggplot function.

Then, I suddenly realized that I should packed as.ggplot, ggimage:::toGrob and base2grob into a single package. That's why we have ggplotify, which contains as.grob to convert plots to grob and as.ggplot to convert plots to ggplot objects.