https://davidcsterratt.r-universe.dev/geometryhttps://davidcsterratt.r-universe.dev/api/packages/geometryhttps://davidcsterratt.r-universe.dev/geometry/geometry.pdfhttps://davidcsterratt.r-universe.dev/geometry/doc/manual.htmlhttps://davidcsterratt.r-universe.dev/geometry/NEWShttps://davidcsterratt.r-universe.dev/geometry/NEWS.txthttps://davidcsterratt.r-universe.dev/geometry/citationhttps://davidcsterratt.r-universe.dev/geometry/citation.txthttps://davidcsterratt.r-universe.dev/geometry/citation.cffhttps://davidcsterratt.r-universe.dev/geometry/doc/qhull-eg.Rnwhttps://davidcsterratt.r-universe.dev/articles/geometry/qhull-eg.pdf