This update includes a fix for a bug affecting autoplot() methods in the case of plotting multiple spectra in the same plot. It also includes improvements to the easy of use through the addition new or enhancements to existing convenience methods and functions. The required version of ‘photobiology’ is now 0.9.28 or higher.
The changes from version 0.3.2, the current CRAN release, are:
Make autotitle() the recommended method and deprecate the use of ggtitle_spct(), which remains available for backwards compatibility.
Enhance autotitle() to optionally set the caption in addition to title and subtitle of a plot.
Add support for setting of the plot caption controlled with the annotations argument of autoplot() methods.
Add convenience functions to make easier to modify default arguments used by autoplot() methods through R options: set_annotations_default() and set_w.band_default().
Add support for simultaneously adding and removing annotations from the current default by accepting lists of character vectors in addition to character vectors as argument for parameter annotations in autoplot() methods.
Add support in multiplot() function for adding a title to the composite figure.
Track changes in ‘photobiology’ (>= 0.9.28) adding support for using the "how.measured" attribute in plot titles, subtitles and captions.
Use a compute panel function instead of a compute group function in stat_wb_label(), stat_wb_box() and stat_wl_strip(), solving a bug affecting autoplot() methods when called with multiple spectra.
The justification for renaming the ggtitle_spct() function to autotitle() is that the new name is consistent with autoplot() and autolayer() in taking an R object of a specific class as first argument and automatically extracting the information from it.
Changes from version0.9.27, the most recent CRAN release, are:
Fix bug in getTimeUnit() method. This method would fail for "source_spct" objects containing spectral fluence data (a recent enhancement) and cause failure of the print() method for these same objects.
Add setHowMeasured() and getHowMeasured() methods, adding support for a new metadata attribute.
This update is in part the result of comparing the values returned by functions sun_angles() and day_night() to those returned by equivalent functions from other R packages and to the online NOAA Solar Calculator (considered the best implementation of Meuus astronomical algirithms, which are currently the most precise available). To see the whole story as it develops, please, have a look at my post describing these tests.
Changes from version0.9.26, the most recent CRAN release, are:
Improve performance of sun_angles() and day_night() and implement Meuus algorithm for julian day. End result is slightly slower performance but higher precision and broader range of dates that are handled correctly.
Make sure functions work correctly when a tibble is passed as argument to parameter geocode. In addition tolerate address column being a factor.
Values returned by sun_angles() and day_night() have changed very slightly as a result of the improved julian day calculation.
After the previous major update to ‘ggpmisc’ (0.3.0), a follow up (0.3.1) with multiple new features and smoothed rough edges for some of the features added in version 3.0.0. Package documentation is available at https://docs.r4photobiology.info/ggpmisc/ as a web site.
The enhancements in this and the previous update to ‘ggpmisc’ are made possible by changes to ‘ggplot2’ (>= 3.0.0) made while adding support for sf (simple features).
The functions in ‘ggpmisc’ (>= 0.3.1) are related to different kinds of annotations and insets in ggplots. Annotations of plots with fitted-model equations, fit diagnosis, ANOVA and summary tables, highlighting and labelling of peaks and valleys in curves, and local density-based highlighting or labelling in scatter plots. Additionally specializations of the ggplot() constructor allow on-the-fly conversion of time-series. Two new geoms join geom_table() added in version 0.3.0, geom_plot() and geom_grob(). These three geoms make it possible to add tables, ggplots and arbitrary graphical objects (grobs) as insets to plots respecting the the Grammar of Graphics paradigm.
A set of new geometries produce marginal annotations: geom_x_margin_point(), geom_y_margin_point(), geom_x_margin_arrow(), geom_y_margin_arrow(), geom_x_margin_grob() and geom_y_margin_grob().
Another novel feature is based on the addition of two new aesthetics npcx and npcy, the corresponding scales scale_npcx_continuous() and scale_npcy_continuous(), and several new geometries that make use of then: geom_text_npc(), geom_label_npc(), geom_table_npc(), geom_plot_npc() and geom_grob_npc(). These allow to position insets and annotations relative to the dimensions of the plotting area instead of using native data units. Using "npc" units is more natural for labels or insets that are not directly related to data but that look better if positioned consistently across multiple panels or multiple separately produced plots. One improvement to the stats from earlier versions of ‘ggpmisc’ is the use of these new geoms to achieve more consistent location for insets and labels.
As in the announcement of the previous version, I have included some example plots taken from the documentation of the package. In all cases annotations are generated automatically, but formatting is flexible.
NOTE: The new version of ‘ggpmisc’ will be soon submitted to CRAN .