Changes in version 1.2.0.900 Development version with added functions for center pivot systems Changes in version 1.1.0 (2022-03-23) Second release in CRAN (2022-3-23) with bugs fixes and added features. Bugs Values returned from spreval::eff, i.e., "appeff"" and "appadeq" have been corrected. Added features Most functions that output plots, or allow optional plots(i.e., eda.shape, plotss, sfplot,rotecdf) now allow optional graphicalparameters to be passed via the ... convention. A vignette to illustrateuse of the package in landscape sprinkler irrigation application has been added,along with an accompanying landscape irrigation data added to the catchcandataset as "catchcan$landscape". Changes in version 1.0.0 (2021-07-06) Initial released version in CRAN (2021-07-05) Changes in version 0.1.0.900 initial development version - added vignette for traveling systems. package in github Changes in version 0.1 - 2 vignettes completed. - added vignette for hard-hose traveler forthcoming.