CRAN Package Check Results for Package gMOIP

Last updated on 2021-08-10 06:48:57 CEST.

Flavor	Version	Tinstall	Tcheck	Ttotal	Status	Flags
r-devel-linux-x86_64-debian-clang	1.4.6	10.37	228.62	238.99	NOTE
r-devel-linux-x86_64-debian-gcc	1.4.6	7.78	168.35	176.13	NOTE
r-devel-linux-x86_64-fedora-clang	1.4.6			284.12	NOTE
r-devel-linux-x86_64-fedora-gcc	1.4.6			271.76	NOTE
r-devel-windows-x86_64	1.4.6	15.00	278.00	293.00	NOTE
r-devel-windows-x86_64-gcc10-UCRT	1.4.6				NOTE
r-patched-linux-x86_64	1.4.6	15.62	257.74	273.36	NOTE
r-patched-solaris-x86	1.4.6			301.20	WARN
r-release-linux-x86_64	1.4.6	9.14	252.68	261.82	NOTE
r-release-macos-arm64	1.4.6				ERROR
r-release-macos-x86_64	1.4.6				WARN
r-release-windows-ix86+x86_64	1.4.6	16.00	237.00	253.00	NOTE
r-oldrel-macos-x86_64	1.4.6				WARN
r-oldrel-windows-ix86+x86_64	1.4.6	21.00	228.00	249.00	NOTE

Check Details

Version: 1.4.6
Check: LazyData
Result: NOTE
     'LazyData' is specified without a 'data' directory
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-devel-linux-x86_64-fedora-clang, r-devel-linux-x86_64-fedora-gcc, r-devel-windows-x86_64, r-devel-windows-x86_64-gcc10-UCRT, r-patched-linux-x86_64, r-patched-solaris-x86, r-release-linux-x86_64, r-release-macos-arm64, r-release-macos-x86_64, r-release-windows-ix86+x86_64

Version: 1.4.6
Check: installed package size
Result: NOTE
     installed size is 6.2Mb
     sub-directories of 1Mb or more:
     doc 4.9Mb
Flavors: r-devel-linux-x86_64-fedora-clang, r-devel-windows-x86_64, r-patched-solaris-x86, r-release-macos-arm64, r-release-macos-x86_64, r-release-windows-ix86+x86_64, r-oldrel-macos-x86_64, r-oldrel-windows-ix86+x86_64

Version: 1.4.6
Check: re-building of vignette outputs
Result: WARN
    Error(s) in re-building vignettes:
     ...
    --- re-building ‘bi-objective_2x.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    --- finished re-building ‘bi-objective_2x.Rmd’
    
    --- re-building ‘bi-objective_3x_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in snapshot3d(scene = x, width = width, height = height) :
     webshot = TRUE requires the webshot2 package; using rgl.snapshot() instead
    Quitting from lines 84-85 (bi-objective_3x_ex1.Rmd)
    Error: processing vignette 'bi-objective_3x_ex1.Rmd' failed with diagnostics:
    OpenGL is not available in this build
    --- failed re-building ‘bi-objective_3x_ex1.Rmd’
    
    --- re-building ‘intro.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in snapshot3d(scene = x, width = width, height = height) :
     webshot = TRUE requires the webshot2 package; using rgl.snapshot() instead
    Quitting from lines 146-155 (intro.Rmd)
    Error: processing vignette 'intro.Rmd' failed with diagnostics:
    OpenGL is not available in this build
    --- failed re-building ‘intro.Rmd’
    
    --- re-building ‘polytope_2d.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    --- finished re-building ‘polytope_2d.Rmd’
    
    --- re-building ‘polytope_3d_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in snapshot3d(scene = x, width = width, height = height) :
     webshot = TRUE requires the webshot2 package; using rgl.snapshot() instead
    Quitting from lines 58-60 (polytope_3d_ex1.Rmd)
    Error: processing vignette 'polytope_3d_ex1.Rmd' failed with diagnostics:
    OpenGL is not available in this build
    --- failed re-building ‘polytope_3d_ex1.Rmd’
    
    --- re-building ‘tri-objective.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in strwidth(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in text.default(0.5, 0.5, thistext, adj = adj, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in text.default(0.5, 0.5, thistext, adj = adj, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in text.default(0.5, 0.5, thistext, adj = adj, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in text.default(0.5, 0.5, thistext, adj = adj, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in text.default(0.5, 0.5, thistext, adj = adj, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in text.default(0.5, 0.5, thistext, adj = adj, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in snapshot3d(scene = x, width = width, height = height) :
     webshot = TRUE requires the webshot2 package; using rgl.snapshot() instead
    Quitting from lines 44-59 (tri-objective.Rmd)
    Error: processing vignette 'tri-objective.Rmd' failed with diagnostics:
    OpenGL is not available in this build
    --- failed re-building ‘tri-objective.Rmd’
    
    SUMMARY: processing the following files failed:
     ‘bi-objective_3x_ex1.Rmd’ ‘intro.Rmd’ ‘polytope_3d_ex1.Rmd’
     ‘tri-objective.Rmd’
    
    Error: Vignette re-building failed.
    Execution halted
Flavor: r-patched-solaris-x86

Version: 1.4.6
Check: examples
Result: ERROR
    Running examples in ‘gMOIP-Ex.R’ failed
    The error most likely occurred in:
    
    > ### Name: convexHull
    > ### Title: Find the convex hull of a set of points.
    > ### Aliases: convexHull
    >
    > ### ** Examples
    >
    > ## 1D
    > pts<-matrix(c(1,2,3), ncol = 1, byrow = TRUE)
    > dimFace(pts) # a line
    [1] 1
    > convexHull(pts)
    $hull
     [,1] [,2]
    [1,] 1 3
    
    $pts
     p1 pt vtx
    1 1 1 TRUE
    2 2 1 FALSE
    3 3 1 TRUE
    
    > convexHull(pts, addRays = TRUE)
    $hull
     [,1] [,2]
    [1,] 1 4
    
    $pts
     p1 pt vtx
    1 1 1 TRUE
    2 2 1 FALSE
    3 3 1 FALSE
    21 8 0 TRUE
    
    >
    > ## 2D
    > pts<-matrix(c(1,1, 2,2), ncol = 2, byrow = TRUE)
    > dimFace(pts) # a line
    [1] 1
    > convexHull(pts)
    $hull
     [,1] [,2]
    [1,] 1 2
    
    $pts
     p1 p2 pt vtx
    1 1 1 1 TRUE
    2 2 2 1 TRUE
    
    > plotHull2D(pts, drawPoints = TRUE)
    > convexHull(pts, addRays = TRUE)
    $hull
     [,1] [,2] [,3] [,4]
    [1,] 3 1 4 5
    
    $pts
     p1 p2 pt vtx
    1 1 1 1 TRUE
    2 2 2 1 FALSE
    21 7 1 0 TRUE
    3 1 7 0 TRUE
    4 7 7 0 TRUE
    
    > plotHull2D(pts, addRays = TRUE, drawPoints = TRUE)
    > pts<-matrix(c(1,1, 2,2, 0,1), ncol = 2, byrow = TRUE)
    > dimFace(pts) # a polygon
    [1] 2
    > convexHull(pts)
    $hull
     [,1] [,2] [,3]
    [1,] 1 3 2
    
    $pts
     p1 p2 pt vtx
    1 1 1 1 TRUE
    2 2 2 1 TRUE
    3 0 1 1 TRUE
    
    > plotHull2D(pts, drawPoints = TRUE)
    > convexHull(pts, addRays = TRUE, direction = c(-1,1))
    $hull
     [,1] [,2] [,3] [,4] [,5]
    [1,] 2 1 4 5 6
    
    $pts
     p1 p2 pt vtx
    1 1 1 1 TRUE
    2 2 2 1 TRUE
    3 0 1 1 FALSE
    21 -5 1 0 TRUE
    4 -5 7 0 TRUE
    32 2 7 0 TRUE
    
    > plotHull2D(pts, addRays = TRUE, direction = c(-1,1), addText = "coord")
    >
    > ## 3D
    > pts<-matrix(c(1,1,1), ncol = 3, byrow = TRUE)
    > dimFace(pts) # a point
    [1] 0
    > convexHull(pts)
    $hull
     [,1]
    [1,] 1
    
    $pts
     p1 p2 p3 pt vtx
    1 1 1 1 1 TRUE
    
    > pts<-matrix(c(0,0,0,1,1,1,2,2,2,3,3,3), ncol = 3, byrow = TRUE)
    > dimFace(pts) # a line
    [1] 1
    > convexHull(pts)
    $hull
     [,1] [,2]
    [1,] 1 4
    
    $pts
     p1 p2 p3 pt vtx
    1 0 0 0 1 TRUE
    2 1 1 1 1 FALSE
    3 2 2 2 1 FALSE
    4 3 3 3 1 TRUE
    
    > pts<-matrix(c(0,0,0,0,1,1,0,2,2,0,0,2), ncol = 3, byrow = TRUE)
    > dimFace(pts) # a polygon
    [1] 2
    > convexHull(pts)
    $hull
     [,1] [,2] [,3]
    [1,] 1 4 3
    
    $pts
     p1 p2 p3 pt vtx
    1 0 0 0 1 TRUE
    2 0 1 1 1 FALSE
    3 0 2 2 1 TRUE
    4 0 0 2 1 TRUE
    
    > convexHull(pts, addRays = TRUE)
    $hull
     [,1] [,2] [,3] [,4]
    [1,] 7 6 5 1
    [2,] 9 8 5 1
    [3,] 9 7 11 5
    [4,] 10 8 6 1
    [5,] 10 7 11 6
    [6,] 10 9 11 8
    
    $pts
     p1 p2 p3 pt vtx
    1 0 0 0 1 TRUE
    2 0 1 1 1 FALSE
    3 0 2 2 1 FALSE
    4 0 0 2 1 FALSE
    21 5 0 0 0 TRUE
    31 0 7 0 0 TRUE
    41 5 7 0 0 TRUE
    5 0 0 7 0 TRUE
    6 5 0 7 0 TRUE
    7 0 7 7 0 TRUE
    8 5 7 7 0 TRUE
    
    > pts<-matrix(c(1,0,0,1,1,1,1,2,2,3,1,1), ncol = 3, byrow = TRUE)
    > dimFace(pts) # a polygon
    [1] 2
    > convexHull(pts) # a polyhedron
    $hull
     [,1] [,2] [,3]
    [1,] 1 3 4
    
    $pts
     p1 p2 p3 pt vtx
    1 1 0 0 1 TRUE
    2 1 1 1 1 FALSE
    3 1 2 2 1 TRUE
    4 3 1 1 1 TRUE
    
    > pts<-matrix(c(1,1,1,2,2,1,2,1,1,1,1,2), ncol = 3, byrow = TRUE)
    > dimFace(pts) # a polytope (polyhedron)
    [1] 3
    > convexHull(pts)
    $hull
     [,1] [,2] [,3]
    [1,] 3 2 1
    [2,] 4 2 1
    [3,] 4 3 1
    [4,] 4 3 2
    attr(,"convhulln")
    <pointer: 0x12120a600>
    
    $pts
     p1 p2 p3 pt vtx
    1 1 1 1 1 TRUE
    2 2 2 1 1 TRUE
    3 2 1 1 1 TRUE
    4 1 1 2 1 TRUE
    
    >
    > ini3D(argsPlot3d = list(xlim = c(0,3), ylim = c(0,3), zlim = c(0,3)))
    > pts<-matrix(c(1,1,1,2,2,1,2,1,1,1,1,2), ncol = 3, byrow = TRUE)
    > plotPoints3D(pts)
    > plotHull3D(pts, argsPolygon3d = list(color = "red"))
    > convexHull(pts)
    $hull
     [,1] [,2] [,3]
    [1,] 3 2 1
    [2,] 4 2 1
    [3,] 4 3 1
    [4,] 4 3 2
    attr(,"convhulln")
    <pointer: 0x115b42e00>
    
    $pts
     p1 p2 p3 pt vtx
    1 1 1 1 1 TRUE
    2 2 2 1 1 TRUE
    3 2 1 1 1 TRUE
    4 1 1 2 1 TRUE
    
    > plotHull3D(pts, addRays = TRUE)
    > convexHull(pts, addRays = TRUE)
    $hull
     [,1] [,2] [,3] [,4]
    [1,] 7 6 5 1
    [2,] 9 8 5 1
    [3,] 9 7 11 5
    [4,] 10 8 6 1
    [5,] 10 7 11 6
    [6,] 10 9 11 8
    
    $pts
     p1 p2 p3 pt vtx
    1 1 1 1 1 TRUE
    2 2 2 1 1 FALSE
    3 2 1 1 1 FALSE
    4 1 1 2 1 FALSE
    21 7 1 1 0 TRUE
    31 1 7 1 0 TRUE
    41 7 7 1 0 TRUE
    5 1 1 7 0 TRUE
    6 7 1 7 0 TRUE
    7 1 7 7 0 TRUE
    8 7 7 7 0 TRUE
    
    > finalize3D()
    Warning in graphics::mtext(sprintf("help(\"%s\")", nameEx()), side = 4, :
     no font could be found for family "Arial"
    Warning in graphics::mtext(sprintf("help(\"%s\")", nameEx()), side = 4, :
     no font could be found for family "Arial"
    Warning in graphics::mtext(sprintf("help(\"%s\")", nameEx()), side = 4, :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth("m", cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Error in png(f, bg = "transparent", width = size, height = size) :
     invalid quartz() device size
    Calls: finalize3D ... <Anonymous> -> mtext3d -> text3d -> plotmath3d -> png
    Execution halted
Flavor: r-release-macos-arm64

Version: 1.4.6
Check: re-building of vignette outputs
Result: WARN
    Error(s) in re-building vignettes:
    --- re-building ‘bi-objective_2x.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Quitting from lines 68-73 (bi-objective_2x.Rmd)
    Error: processing vignette 'bi-objective_2x.Rmd' failed with diagnostics:
    polygon edge not found
    --- failed re-building ‘bi-objective_2x.Rmd’
    
    --- re-building ‘bi-objective_3x_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in snapshot3d(scene = x, width = width, height = height) :
     webshot = TRUE requires the webshot2 package; using rgl.snapshot() instead
    Quitting from lines 84-85 (bi-objective_3x_ex1.Rmd)
    Error: processing vignette 'bi-objective_3x_ex1.Rmd' failed with diagnostics:
    OpenGL is not available in this build
    --- failed re-building ‘bi-objective_3x_ex1.Rmd’
    
    --- re-building ‘intro.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Quitting from lines 80-92 (intro.Rmd)
    Error: processing vignette 'intro.Rmd' failed with diagnostics:
    polygon edge not found
    --- failed re-building ‘intro.Rmd’
    
    --- re-building ‘polytope_2d.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y, :
     no font could be found for family "Arial"
    Quitting from lines 45-99 (polytope_2d.Rmd)
    Error: processing vignette 'polytope_2d.Rmd' failed with diagnostics:
    polygon edge not found
    --- failed re-building ‘polytope_2d.Rmd’
    
    --- re-building ‘polytope_3d_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in snapshot3d(scene = x, width = width, height = height) :
     webshot = TRUE requires the webshot2 package; using rgl.snapshot() instead
    Quitting from lines 58-60 (polytope_3d_ex1.Rmd)
    Error: processing vignette 'polytope_3d_ex1.Rmd' failed with diagnostics:
    OpenGL is not available in this build
    --- failed re-building ‘polytope_3d_ex1.Rmd’
    
    --- re-building ‘tri-objective.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning in strwidth(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strwidth("m", cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strwidth("m", cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     "margin" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     "floating" is not a graphical parameter
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Warning in strheight(thistext, cex = initCex, ...) :
     no font could be found for family "Arial"
    Quitting from lines 44-59 (tri-objective.Rmd)
    Error: processing vignette 'tri-objective.Rmd' failed with diagnostics:
    invalid quartz() device size
    --- failed re-building ‘tri-objective.Rmd’
    
    SUMMARY: processing the following files failed:
     ‘bi-objective_2x.Rmd’ ‘bi-objective_3x_ex1.Rmd’ ‘intro.Rmd’
     ‘polytope_2d.Rmd’ ‘polytope_3d_ex1.Rmd’ ‘tri-objective.Rmd’
    
    Error: Vignette re-building failed.
    Execution halted
Flavor: r-release-macos-arm64

Version: 1.4.6
Check: re-building of vignette outputs
Result: WARN
    Error(s) in re-building vignettes:
    --- re-building ‘bi-objective_2x.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    --- finished re-building ‘bi-objective_2x.Rmd’
    
    --- re-building ‘bi-objective_3x_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Quitting from lines 84-85 (bi-objective_3x_ex1.Rmd)
    Error: processing vignette 'bi-objective_3x_ex1.Rmd' failed with diagnostics:
    invalid 'path' argument
    --- failed re-building ‘bi-objective_3x_ex1.Rmd’
    
    --- re-building ‘intro.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Quitting from lines 146-155 (intro.Rmd)
    Error: processing vignette 'intro.Rmd' failed with diagnostics:
    invalid 'path' argument
    --- failed re-building ‘intro.Rmd’
    
    --- re-building ‘polytope_2d.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    --- finished re-building ‘polytope_2d.Rmd’
    
    --- re-building ‘polytope_3d_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Quitting from lines 58-60 (polytope_3d_ex1.Rmd)
    Error: processing vignette 'polytope_3d_ex1.Rmd' failed with diagnostics:
    invalid 'path' argument
    --- failed re-building ‘polytope_3d_ex1.Rmd’
    
    --- re-building ‘tri-objective.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Quitting from lines 44-59 (tri-objective.Rmd)
    Error: processing vignette 'tri-objective.Rmd' failed with diagnostics:
    invalid 'path' argument
    --- failed re-building ‘tri-objective.Rmd’
    
    SUMMARY: processing the following files failed:
     ‘bi-objective_3x_ex1.Rmd’ ‘intro.Rmd’ ‘polytope_3d_ex1.Rmd’
     ‘tri-objective.Rmd’
    
    Error: Vignette re-building failed.
    Execution halted
Flavor: r-release-macos-x86_64

Version: 1.4.6
Check: re-building of vignette outputs
Result: WARN
    Error(s) in re-building vignettes:
    --- re-building ‘bi-objective_2x.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    Warning: ggrepel: 70 unlabeled data points (too many overlaps). Consider increasing max.overlaps
    --- finished re-building ‘bi-objective_2x.Rmd’
    
    --- re-building ‘bi-objective_3x_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
    Loading required namespace: rmarkdown
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Warning in normalizePath(f2) :
     path[1]="webshotc90a5666cbc.png": No such file or directory
    Warning in file(con, "rb") :
     cannot open file 'webshotc90a5666cbc.png': No such file or directory
    Quitting from lines 84-85 (bi-objective_3x_ex1.Rmd)
    Error: processing vignette 'bi-objective_3x_ex1.Rmd' failed with diagnostics:
    cannot open the connection
    --- failed re-building ‘bi-objective_3x_ex1.Rmd’
    
    --- re-building ‘intro.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
    Loading required namespace: rmarkdown
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Warning in normalizePath(f2) :
     path[1]="webshotc9228e45f8.png": No such file or directory
    Warning in file(con, "rb") :
     cannot open file 'webshotc9228e45f8.png': No such file or directory
    Quitting from lines 146-155 (intro.Rmd)
    Error: processing vignette 'intro.Rmd' failed with diagnostics:
    cannot open the connection
    --- failed re-building ‘intro.Rmd’
    
    --- re-building ‘polytope_2d.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
    --- finished re-building ‘polytope_2d.Rmd’
    
    --- re-building ‘polytope_3d_ex1.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
    Loading required namespace: rmarkdown
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Warning in normalizePath(f2) :
     path[1]="webshotc9912468f60d.png": No such file or directory
    Warning in file(con, "rb") :
     cannot open file 'webshotc9912468f60d.png': No such file or directory
    Quitting from lines 58-60 (polytope_3d_ex1.Rmd)
    Error: processing vignette 'polytope_3d_ex1.Rmd' failed with diagnostics:
    cannot open the connection
    --- failed re-building ‘polytope_3d_ex1.Rmd’
    
    --- re-building ‘tri-objective.Rmd’ using rmarkdown
    Warning in engine$weave(file, quiet = quiet, encoding = enc) :
     Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
    Loading required namespace: rmarkdown
    PhantomJS not found. You can install it with webshot::install_phantomjs(). If it is installed, please make sure the phantomjs executable can be found via the PATH variable.
    Warning in normalizePath(f2) :
     path[1]="webshotc9b589dcdaa.png": No such file or directory
    Warning in file(con, "rb") :
     cannot open file 'webshotc9b589dcdaa.png': No such file or directory
    Quitting from lines 44-59 (tri-objective.Rmd)
    Error: processing vignette 'tri-objective.Rmd' failed with diagnostics:
    cannot open the connection
    --- failed re-building ‘tri-objective.Rmd’
    
    SUMMARY: processing the following files failed:
     ‘bi-objective_3x_ex1.Rmd’ ‘intro.Rmd’ ‘polytope_3d_ex1.Rmd’
     ‘tri-objective.Rmd’
    
    Error: Vignette re-building failed.
    Execution halted
Flavor: r-oldrel-macos-x86_64