NEWS.md

In icosa: Global Triangular and Penta-Hexagonal Grids Based on Tessellated Icosahedra

Change log of the R package 'icosa'

icosa 0.11.0 - 2023-03-21

Added

• resample,facelayer,SpatRaster-method
• resolution based grid creation, e.g. hexagrid(deg=5)
• Resolution guides for both the 'hexagrid' and 'trigrid' classes (hexguide and triguide, respectively), 120 grids each
• Package webpage as URL in DESCRIPTION
• Interface for the sf package.
• The newsf() function
• plot,vector,trigrid-method for plotting data with sf's methods
• new example data: NaturalEarth land polygons
• new slot for the trigrid class for sf-type representation
• occupied() - support for 'sf'-type input
• the gridensity() spatial density estimator

Changed

• Dependency moved to R 3.5.0 due to serialized R objects (guides)
• Changed basic reference from 1980 authalic sphere to ESRI:37008
• The proj4string (PROJ4) slot of trigrid was replaced by crs (sf)
• plot,trigrid-method now uses the sf-type as the basis of plotting
• Omitted suggested package 'raster' and replaced it with 'terra'
• The occupied() function no by default returns a named vector
• The vignettes are now html vignettes
• the 'tessguide' object is renamed to 'hexguide'

Removed

• Dependency on raster and rgdal
• OSM z1 land polygons

icosa 0.10.1 - 2021-01-12

Changed

• fixed warnings when the spherical datum of the grids were loaded
• added checks for the suggested rgl package
• minor documentation changes

icosa 0.10.0 - 2020-02-15

Changed

• vignette was cut for performance optimization
• documentation was systematically revised

icosa 0.9.88 (build 1015) - 2020-02-09

Added

• documentation for the 'tessguide' dataset
• 'legend' argument to faces3d method of facelayer

Changed

• the locate() function's main arguments were renamed to 'x' and 'y' with S4 dispatch for 'y'
• the surfacecentroid() function is rewritten with S4 method dispatch, with main argument of 'x'
• corrected roxygen tags for S3 methods
• minor documentation corrections, package ready for CRAN resubmission

icosa 0.9.88 (build 1014) - 2020-02-09

Added

• long at lat arguments to the CarToPol() function's data.frame-method

Changed

• CarToPol() and PolToCar() functions rewritten with S4 method dispatch
• main function argument of CarToPol() and PolToCar() is now 'x' instead of 'longLatMat' and 'matXYZ'

icosa 0.9.88 (build 1013) - 2020-02-04

Added

• proper usage (roxygen tags before "function") for triggering help files in case of namespace conflicts.

Changed

• Reorganization of Roxygen tags: removed all aliases, -method bullshit

icosa 0.9.88 (build 1012) - 2020-02-04

Changed

• rgl package moved to Suggests from Depends, freeing the package from its grasp
• plot3d() rewritten as S3 from S4
• rgl dependent functions have warnings to instruct installation.

icosa 0.9.88 (build 1011) - 2020-02-04

Added

• Collate field for DESCRIPTION

Changed

• R file structure

icosa 0.9.88 (build 1010) - 2020-02-03

Added

• conditional generic declaration to values<-
• conditional generic declaration to resample()
• conditional generic declaration to values()
• conditional generic declaration to rotate()

Changed

• complete NAMESPACE cleanup with roxygen
• package 'raster' moved from 'Imports' to 'Suggests'

Removed

• old vignette

icosa 0.9.87 (build 1009) - 2019-08-20

Added

• Dynamic sp resolution setting
• proper NEWS file
• suppressed warnings when triangles are produced
• 'breaks', 'inclusive', 'discrete' arguments added for facelayer plotting method.

Changed

• The default colour value of the facelayer plotting function is changed to 'heat'.
• The heatmap generation of the facelayer plotting methods is completely rewritten.
• The default of 'alpha' of the facelayer-plotting argument is changed to NULL.

Removed

• the minVal and maxVal argument of heatMapLegend()

Fixed

• Bug in the heatMapLegend() function that cause the legend to miss the last colour.

icosa 0.9.86 (build 1008) - 2019-05-02

Fixed

• Proper projection treatment during the 3d plotting of sp-type objects. (Thanks to Dominik Jaskierniak for reporting the error).

Added

• The 'radius' argument is added to the rgl-extension 3d plotting functions.

Removed

• The 'inner' argument of the surfacecentroid() and chullsphere() functions is deprecated.

icosa 0.9.85 (build 1001) - 2019-03-05

Added

• the cellocator() function
• added the namedorder argument of the vicinity() function

icosa 0.9.84 - 2018-12-03

Added

• the strict argument to the chulshere() function - unfinished!
• the tessellation guide (tessguide) object is added to the package

icosa 0.9.83 - 2018-10-27

Added

• 'legend' argument for the facelayer method of 'plot()', to disable the plotting of the legend
• the surfacechullsphere() function to calculate areas of spherical convex hulls

icosa 0.9.82 - 2018-09-27

Rebuilt from previous version.

Changed

• vignette structure update
• vignette now uses z1 OpenStreetMap land polygons instead of z3
• the package no longer requires the 'rgdal' package, which is only used for projection changes

Fixed

• added compatibility for up-to-date Rcpp versions
• explicit self-assignment compilation warning with clang 7.0.0

Known issues

• warnings produced by sp::Polygons function - will be corrected shortly

icosa 0.9.81 - 2017-04-18

Fixed

• memory deallocation issues
• SpPolygons(): zenith/nadir face issue
• unnecessary 'rgdal' namespace import

icosa 0.9.80 (first Beta) - 2017-04-17

Added

• the locate() function was updated to version 6.0, now incorporating the 'randomborders' argument
• the occupied() function was rebuilt on the locate() function
• the centers() shorthand was added to the quick extraction of the facecenters
• major work on the help files
• the value replacement method of the gridlayer was extended to host lat/long indicators
• added logical subsetting to the facelayer
• bugfix for the x86 application of SpPolygons()

icosa 0.8.61 - 2017-04-09

Added

• igraph is added as related content
• the function gridgraph() is implmented for 'trigrid' and for 'facelayer' classes
• fixed bug in OccupiedFaces() for SpatialPolygons
• the @graph slot has been added to the 'trigrid' class to host 'igraph' class graph representations
• package namespace is cleaned up to include only importing namespaces, only the rgl package is a dependency
• the newgraph() function is added to the package
• added an Rcpp function to interpolate 3d lines
• the gridgraph() function is added for the 'hexagrid' class, and the class constructor is upgraded to include it
• the vicinity() function replaced the neighbours() function
• the class of the values is now printed to the console, when the show method of the facelayer is called
• the tesselation and class of the source grid is now added to the gridlayer class, along with a function that checks the linked grid's compatibility to the facelayer
• the translate() function is added to the package for fast reposition of translated grids to the origin
• the chullsphere() and surfacecentroid() functions were added to the packages
• resampling methods were added for the 'hexagrid'
• igraph representation was added to the vignette

icosa 0.8.16 - 2017-02-17

Added

• the shapes() function is added to the package. It will calculate a value that is proportional to the irregularities of the triangular faces or subfaces.
• character values in facelayers will be plotted with random colors
• rgdal dependecy of spTransorm() was properly resolved
• the missing belts slot of the hexagrid class was filled
• fixed missing invalid input message for PolToCar() function.
• grid resolution is now displayed with the show() method.
• the group generics Ops, Math, and Summary were implemented for the facelayer.
• basic functions of the 'stats' packages were implemented
• latitude and longitude-wise selection was implemented to the facelayer subsetting method
• resampling of 'facelayer' objects to based on 'trigrid' classes was applied in the program: downscaling
• added 2d plotting scheme for 'facelayers', where the values of the facelayer are exclusively colours

Deleted

• the deprecated argument "border" is no longer available for the user interface of locate()

icosa 0.8.0 (Alpha) - 2016-11-25

Notes

Pre-alpha versions were not registered.

icosa documentation built on March 31, 2023, 8:33 p.m.