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Preparing for CRAN release, textures is now the core mesh-generation package that quadmesh will import.
The quad header library is vendored into
inst/include/textures/quad.h, removing the GitHub-only
‘quad’ dependency. Other packages may use it via
LinkingTo: textures.
Behaviour change: quads are now emitted in cell order, x fastest
(the matrix()/image() convention, and raster
cell order when ydown = TRUE). Previously the C++ path
emitted quads y fastest. Vertices are unchanged; only the column order
of ib (and so face-value alignment) changes.
New core primitives quad_index(),
quad_edges(), quad_vertex().
quad_edges() is the unexpanded intermediate form (the grid
margin coordinates). quad_index() transparently returns
double storage for grids whose vertex count or index length exceeds the
integer maximum.
New compact specification form quad_spec(), a plain
serializable recipe for a generatable mesh, with
quad_mesh() to materialize it as mesh3d. With rgl
installed, as.mesh3d() also works on a quad_spec (delayed
S3 registration).
rgl and scales are no longer Imports: mesh3d objects are
constructed directly, rgl (in Suggests) is only needed for 3D display.
set_scene() and png_plot3d() require rgl at
runtime.
plot.mesh3d() is rewritten in base graphics
(previously used grid and gridBase, which were not declared
dependencies); its triangle branch indexing bug is fixed.
quad_texture() with an empty texture path now warns
‘no texture file given’ rather than ‘texture file given does not
exist’.
Add segs() function.
Convert to use headers package {quad}.
Convert to cpp11.
Now using ‘main’ as default branch in git.
Added ‘extent’ to quad().
quad.h now provides matrix version of vertex table, with or without z-h.
New function png_plot3d() to directly plot from a
PNG file.
Modify R functions to leverage C++ versions of quad vertex and quad index constructors.
Aligned to R’s matrix orientation as a basis for quad creation.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.