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cowplot 1.2.0

• fix get_legend() for redesigned ggplot legend system (#202)

• fix test for ggplot object class (#210)

• fix label order when laying out plots by column rather than by row (@Doubt-0KB, #203)

cowplot 1.1.3

• fix issues with upcoming ggplot 3.5.0.

cowplot 1.1.2

• fix warning message: deprecated size argument in element_rect() and element_line() (@Yunuuuu, #190)

cowplot 1.1.1

• Make sure tests don’t fail if vdiffr is missing.

cowplot 1.1.0

• plot_grid() now accepts byrow as an argument to place plots by row or by column onto the plot area (@BrianLang, #162).
  
• A new null device was added, agg_null_device().
• draw_image(), draw_plot(), and draw_grob() have gained additional alignment parameters halign and valign which allow internal alignment relative to the box into which content is drawn.
• In the functions insert_xaxis_grob() and insert_yaxis_grob(), clipping is now configurable.
• Plot assemblies generated by the patchwork package are now supported in as_grob(), ggdraw(), and plot_grid().

cowplot 1.0.0

Breaking changes

In many ways, cowplot now behaves more appropriately and plays nicer with the R environment and other R packages. However, this means that several breaking changes were introduced:

• The default ggplot2 theme is no longer changed upon loading. You can add theme_set(theme_cowplot()) to your code to restore the old behavior.
• The package ggplot2 needs to be loaded separately from cowplot, it is not automatically attached.
• All themes now use parameters font_size and font_family. Previously, theme_nothing() and theme_map() used base_size and base_family.
• The function cowplot::ggsave() was renamed to cowplot::ggsave2(), so that the ggplot2 version of ggsave() is no longer masked by the cowplot version.

Other breaking changes: - The defaults for save_plot() were changed somewhat. This may require adjustment if you have code depending on it.

New features

• New functions rectangle_key_glyph() and circle_key_glyph() make it possible to generate customized legend glyphs.
• Improved alignment of plots. Plots can now be aligned in a greedy manner, which improves the appearance of aligned plots with axis labels of very different sizes.
• The new functions stamp(), stamp_good(), stamp_bad(), stamp_ugly(), stamp_wrong() allow labeling of plots as good, bad, ugly, wrong, etc.
• Added a function as_grob() that can convert base plots, lattice plots, and ggplot2 plots into grobs that can then be drawn using standard grid approaches.
• Much improved handling of base R plots, thanks to improvements in grid and gridGraphics. Requires R >= 3.6.0 and gridGraphics >= 0.4.
• Added a function set_null_device() to customize the null graphics device that is used in ggdraw(), plot_grid(), etc. There is no one null device that always works, so customization is needed.
• Added several new themes, including theme_minimal_grid(), theme_minimal_hgrid(), and theme_minimal_vgrid(). Also, theme_cowplot() is now also available as theme_half_open().
• Expanded functions for extracting plot components from ggplots via get_plot_component() and several wrapper functions for getting titles, axes, panels, and so on. This also lets get_panel() extract from plots with more than one panel. get_panel_component() allows you to further extract components like geoms from the plot panel (@malcolmbarrett, #111).

Minor changes

• Minor tweaks to various legend layout parameters so that legends look better as the underlying theme font size is changed.
• Various minor fixes to theme_cowplot() and derived themes.
• Change background_grid() defaults so they match the new grid themes.
• Renamed plot_to_gtable() to as_gtable().
• All functions now understand both spellings of color/colour.
• get_legend() now returns NULL if there is no legend, instead of raising an error.

cowplot 0.9.4

• Fix CRAN check errors

cowplot 0.9.3

• Fix regression tests to work with ggplot2 3.0.0

cowplot 0.9.2

• Rewritten cowplot::ggsave function that calls ggplot2::ggsave
• More robust handling of R graphics device weirdness/plots popping up in the wrong places

cowplot 0.9.1

• Make examples and vignettes fail gracefully when magick package is not installed

cowplot 0.9.0

• Added a theme for maps, theme_map(). Code provided by Spencer Fox, https://github.com/sjfox.
• Added axis_canvas() function and related functions to make marginal plots and plot annotations simpler
• Now export the plot_to_gtable function which converts most anything into a gtable for further use with cowplot
• Added inherit.aes = FALSE to draw functions where needed
• Added examples to various draw functions
• Added draw_image() function to draw images onto plots

cowplot 0.8.0

• The function plot_grid can now also handle base-R (graphics) plots. Code provided by https://github.com/flying-sheep.
• More sophisticated plot alignments of complex plots are now possible. Code provided by Spencer Fox, https://github.com/sjfox.
• Plot labels can now be styled. In particular, they follow the theme settings, e.g. if the theme uses a different font than default. This closes issue #37.
• The positioning of plot labels in plot_grid can now be controlled with additional position parameters label_x and label_y. This closes issue #32.
• Problems with elements from globally set themes leaking into the plot-grid background have been fixed. This closes issues #60, #63, #66.

cowplot 0.7.0

• This version of cowplot has been prepared for the upcoming release of ggplot2 2.2.0. As a result of this upcoming switch, the function switch_axis_position() has been removed. Alternative axes will be natively supported by ggplot2 2.2.0.
• As of this version, cowplot requires R >= 3.3.0. This dependency was added because R 3.3 fixes a critical problem with lists of units.

cowplot 0.6.3

• Adds a get_legend() function that extracts the legend from a plot. Code provided by https://github.com/marcus1487
• Fixes bug that creates an empty page on some plot devices. Fix provided by https://github.com/marcus1487
• Fixes bug that hardcoded panel border line-type and size. Fix provided by Spencer Fox, https://github.com/sjfox
• Adds the option of custom axes on the drawing layer. Code provided by https://github.com/zaczap
• Separates out the alignment function from plot_grid(). Will likely be more useful further down the line. Code provided by Spencer Fox, https://github.com/sjfox

cowplot 0.6.2

• Updated plot_grid vignette so the tutorial on aligning plots of different types works again. This stopped working at some point and was removed from 0.6.1.

cowplot 0.6.1

• Added new convenience function draw_figure_label() to label figures with labels such as “Figure 1”.
• Fixes in switch_axis_position() so that rotated axis labels work.
• Fix missing axis lines in ggplot2 2.1

cowplot 0.6.0

Major changes: - Now requires ggplot2 version 2.0.0 or higher. Use cowplot 0.5.0 with older versions of ggplot2. - Because of the dependency on ggplot2 2.0.0, the default design is changed. No more bold face for axis labels - Add auto-generation of labels in plot_grid() - Add vignettes describing plot annotations and shared legends among plots

cowplot 0.5.0

Major changes: - Fix label positioning in plot_grid() so it is not affected by the scale parameter - Add draw_label() function which can draw both text and plotmath expressions - Add parameters hjust and vjust to plot_grid() to allow fine-tuning of label position - Add annotations underneath plot, via add_sub() function

Other changes: - Improve vignettes

cowplot 0.4.0

Major changes: - Added a function switch_axis_position() which can move/copy the x and/or y axis of a plot to the other side - plot_grid() can now align graphs - plot_grid() can now make grids with varying column widths and row heights

Other changes: - Various improvements in the documentation - Code has been separated into multiple files for easier maintenance

cowplot 0.3.1

Fix Vignette title

cowplot 0.3.0

First complete implementation ready for initial release

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.