Package 'Rvcg' - The R Project for Statistical Computing
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Package ‘Rvcg’ April 6, 2017 Type Package Title Manipulations of Triangular Meshes Based on the 'VCGLIB' API Version 0.16 Date 2017-03-30 Description Operations on triangular meshes based on 'VCGLIB'. This package integrates nicely with the R-package 'rgl' to render the meshes processed by 'Rvcg'. The Visualization and Computer Graphics Library (VCG for short) is an open source portable C++ templated library for manipulation, processing and displaying with OpenGL of triangle and tetrahedral meshes. The library, composed by more than 100k lines of code, is released under the GPL license, and it is the base of most of the software tools of the Visual Computing Lab of the Italian National Research Council Institute ISTI , like 'metro' and 'MeshLab'. The 'VCGLIB' source is pulled from trunk and patched to work with options determined by the configure script as well as to work with the header files included by 'RcppEigen'. Depends R (>= 3.1.0) Imports Rcpp, grDevices, stats, utils Suggests Morpho, rgl LinkingTo Rcpp, RcppEigen, RcppArmadillo License GPL (>= 2) | file LICENSE BugReports https://github.com/zarquon42b/Rvcg/issues Copyright see files COPYRIGHTS for detailed information LazyLoad yes Biarch yes URL http://github.com/zarquon42b/Rvcg, http://vcg.sf.net/ RoxygenNote 6.0.1 NeedsCompilation yes Author Stefan Schlager [aut, cre, cph], Girinon Francois [ctb] 1
R topics documented:
2 Maintainer Stefan Schlager Repository CRAN Date/Publication 2017-04-06 06:54:12 UTC
Interface between R and vcglib libraries for mesh operations
Description Provides meshing functionality from vcglib (meshlab) for R. E.g. mesh smoothing, mesh decimation, closest point search. Details Package: Type: Version: Date: License: LazyLoad:
Rvcg Package 0.16 2017-03-30 GPL yes
Author(s) Stefan Schlager Maintainer: Stefan Schlager References To be announced
checkFaceOrientation
check the orientation of a mesh
Description check the orientation of a mesh assuming that expansion along normals increases centroid size Usage checkFaceOrientation(x, offset = NULL)
4
humface
Arguments x
mesh of class mesh3d
offset
numeric: amount to offset the mesh along the vertex normals. If NULL a reasonable value will be estimated.
Details assuming that a correctly (i.e outward) oriented mesh increases its centroid size when ’growing’ outwards, this function tests whether this is the case. Value returns TRUE if mesh is oriented correctly and FALSE otherwise Examples data(dummyhead) ## now we invert faces inwards checkFaceOrientation(dummyhead.mesh) dummyinward
