The Grid Graphics Package

Documentation for package ‘grid’ version 4.4.1

Help Pages

A B C D E F G H I L M N P R S T U V W X Y

The Grid Graphics Package

-- A --

absolute.size	Absolute Size of a Grob
addGrob	Add a Grid Graphical Object
applyEdit	Create and Apply Edit Objects
applyEdits	Create and Apply Edit Objects
arcCurvature	Draw a Curve Between Locations
arrow	Describe arrows to add to a line
as.mask	Define a Soft Mask
as.path	Stroke or Fill a Path
ascentDetails	Width and Height of a grid grob

-- B --

bezierGrob	Draw a Bezier Curve
bezierPoints	Return the points that would be used to draw an xspline (or a Bezier curve)

-- C --

calcStringMetric	Calculate Metric Information for Text
childNames	Create Grid Graphical Objects, aka "Grob"s
circleGrob	Draw a Circle
clipGrob	Set the Clipping Region
convertHeight	Convert Between Different grid Coordinate Systems
convertUnit	Convert Between Different grid Coordinate Systems
convertWidth	Convert Between Different grid Coordinate Systems
convertX	Convert Between Different grid Coordinate Systems
convertY	Convert Between Different grid Coordinate Systems
current.parent	Get the Current Grid Viewport (Tree)
current.rotation	Get the Current Grid Viewport (Tree)
current.transform	Get the Current Grid Viewport (Tree)
current.viewport	Get the Current Grid Viewport (Tree)
current.vpPath	Get the Current Grid Viewport (Tree)
current.vpTree	Get the Current Grid Viewport (Tree)
curveGrob	Draw a Curve Between Locations

-- D --

dataViewport	Create a Viewport with Scales based on Data
defineGrob	Draw a Group
defnRotate	Define a Group Transformation
defnScale	Define a Group Transformation
defnTranslate	Define a Group Transformation
delayGrob	Encapsulate calculations and generating a grob
depth	Determine the number of levels in an object
depth.path	Determine the number of levels in an object
depth.viewport	Determine the number of levels in an object
descentDetails	Width and Height of a grid grob
deviceDim	Convert Viewport Location to Device Location
deviceLoc	Convert Viewport Location to Device Location
downViewport	Maintaining and Navigating the Grid Viewport Tree
drawDetails	Customising grid Drawing

-- E --

editDetails	Customising grid Editing
editGrob	Edit the Description of a Grid Graphical Object
editViewport	Modify a Viewport
emptyCoords	Create Sets of Coordinates for Grid Grobs
emptyGrobCoords	Create Sets of Coordinates for Grid Grobs
emptyGTreeCoords	Create Sets of Coordinates for Grid Grobs
engine.display.list	Control the Grid Display List
explode	Explode a path into its components
explode.character	Explode a path into its components
explode.path	Explode a path into its components

-- F --

fillGrob	Stroke or Fill a Path
fillGrob.GridPath	Stroke or Fill a Path
fillGrob.grob	Stroke or Fill a Path
fillStrokeGrob	Stroke or Fill a Path
fillStrokeGrob.GridPath	Stroke or Fill a Path
fillStrokeGrob.grob	Stroke or Fill a Path
forceGrob	Force a grob into its components
frameGrob	Create a Frame for Packing Objects
functionGrob	Draw a curve representing a function

-- G --

gEdit	Create and Apply Edit Objects
gEditList	Create and Apply Edit Objects
get.gpar	Handling Grid Graphical Parameters
getGrob	Get a Grid Graphical Object
getNames	List the names of grobs on the display list
gList	Create Grid Graphical Objects, aka "Grob"s
glyphGrob	Draw Typeset Glyphs
gpar	Handling Grid Graphical Parameters
gPath	Concatenate Grob Names
Grid	Grid Graphics
grid.abline	Draw a curve representing a function
grid.add	Add a Grid Graphical Object
grid.bezier	Draw a Bezier Curve
grid.cap	Capture a raster image
grid.circle	Draw a Circle
grid.clip	Set the Clipping Region
grid.copy	Make a Copy of a Grid Graphical Object
grid.curve	Draw a Curve Between Locations
grid.define	Draw a Group
grid.delay	Encapsulate calculations and generating a grob
grid.display.list	Control the Grid Display List
grid.DLapply	Modify the Grid Display List
grid.draw	Draw a grid grob
grid.edit	Edit the Description of a Grid Graphical Object
grid.fill	Stroke or Fill a Path
grid.fillStroke	Stroke or Fill a Path
grid.force	Force a grob into its components
grid.force.default	Force a grob into its components
grid.force.gPath	Force a grob into its components
grid.force.grob	Force a grob into its components
grid.frame	Create a Frame for Packing Objects
grid.function	Draw a curve representing a function
grid.gedit	Edit the Description of a Grid Graphical Object
grid.get	Get a Grid Graphical Object
grid.gget	Get a Grid Graphical Object
grid.glyph	Draw Typeset Glyphs
grid.grab	Grab the current grid output
grid.grabExpr	Grab the current grid output
grid.gremove	Remove a Grid Graphical Object
grid.grep	Search for Grobs and/or Viewports
grid.grill	Draw a Grill
grid.group	Draw a Group
grid.layout	Create a Grid Layout
grid.legend	Constructing a Legend Grob
grid.line.to	Move or Draw to a Specified Position
grid.lines	Draw Lines in a Grid Viewport
grid.locator	Capture a Mouse Click
grid.ls	List the names of grobs or viewports
grid.move.to	Move or Draw to a Specified Position
grid.newpage	Move to a New Page on a Grid Device
grid.null	Null Graphical Object
grid.pack	Pack an Object within a Frame
grid.path	Draw a Path
grid.place	Place an Object within a Frame
grid.plot.and.legend	A Simple Plot and Legend Demo
grid.points	Draw Data Symbols
grid.polygon	Draw a Polygon
grid.polyline	Draw Lines in a Grid Viewport
grid.pretty	Generate a Sensible ("Pretty") Set of Breakpoints
grid.raster	Render a raster object
grid.record	Encapsulate calculations and drawing
grid.rect	Draw rectangles
grid.refresh	Refresh the current grid scene
grid.remove	Remove a Grid Graphical Object
grid.reorder	Reorder the children of a gTree
grid.revert	Force a grob into its components
grid.revert.gPath	Force a grob into its components
grid.revert.grob	Force a grob into its components
grid.roundrect	Draw a rectangle with rounded corners
grid.segments	Draw Line Segments
grid.set	Set a Grid Graphical Object
grid.show.layout	Draw a Diagram of a Grid Layout
grid.show.viewport	Draw a Diagram of a Grid Viewport
grid.stroke	Stroke or Fill a Path
grid.text	Draw Text
grid.use	Draw a Group
grid.xaxis	Draw an X-Axis
grid.xspline	Draw an Xspline
grid.yaxis	Draw a Y-Axis
gridCoords	Create Sets of Coordinates for Grid Grobs
gridGrobCoords	Create Sets of Coordinates for Grid Grobs
gridGTreeCoords	Create Sets of Coordinates for Grid Grobs
grob	Create Grid Graphical Objects, aka "Grob"s
grobAscent	Create a Unit Describing the Width of a Grob
grobCoords	Calculate Points on the Perimeter of a Grob
grobDescent	Create a Unit Describing the Width of a Grob
grobHeight	Create a Unit Describing the Width of a Grob
grobName	Generate a Name for a Grob
grobPathListing	List the names of grobs or viewports
grobPoints	Calculate Points on the Perimeter of a Grob
grobTree	Create Grid Graphical Objects, aka "Grob"s
grobWidth	Create a Unit Describing the Width of a Grob
grobX	Create a Unit Describing a Grob Boundary Location
grobY	Create a Unit Describing a Grob Boundary Location
groupFlip	Define a Group Transformation
groupGrob	Draw a Group
groupRotate	Define a Group Transformation
groupScale	Define a Group Transformation
groupShear	Define a Group Transformation
groupTranslate	Define a Group Transformation
gTree	Create Grid Graphical Objects, aka "Grob"s

-- H --

heightDetails

Width and Height of a grid grob

-- I --

is.grob	Create Grid Graphical Objects, aka "Grob"s
is.unit	Function to Create a Unit Object
isClosed	Calculate Points on the Perimeter of a Grob
isEmptyCoords	Create Sets of Coordinates for Grid Grobs

-- L --

legendGrob	Constructing a Legend Grob
linearGradient	Define Gradient and Pattern Fills
linesGrob	Draw Lines in a Grid Viewport
lineToGrob	Move or Draw to a Specified Position

-- M --

makeContent	Customised grid Grobs
makeContext	Customised grid Grobs
moveToGrob	Move or Draw to a Specified Position

-- N --

nestedListing	List the names of grobs or viewports
nullGrob	Null Graphical Object

-- P --

packGrob	Pack an Object within a Frame
pathGrob	Draw a Path
pathListing	List the names of grobs or viewports
pattern	Define Gradient and Pattern Fills
patterns	Define Gradient and Pattern Fills
placeGrob	Place an Object within a Frame
plotViewport	Create a Viewport with a Standard Plot Layout
pointsGrob	Draw Data Symbols
polygonGrob	Draw a Polygon
polylineGrob	Draw Lines in a Grid Viewport
popViewport	Maintaining and Navigating the Grid Viewport Tree
postDrawDetails	Customising grid Drawing
preDrawDetails	Customising grid Drawing
pushViewport	Maintaining and Navigating the Grid Viewport Tree

-- R --

radialGradient	Define Gradient and Pattern Fills
rasterGrob	Render a raster object
recordGrob	Encapsulate calculations and drawing
rectGrob	Draw rectangles
removeGrob	Remove a Grid Graphical Object
reorderGrob	Reorder the children of a gTree
resolveHJust	Validate a Justification
resolveRasterSize	Utility function to resolve the size of a raster grob
resolveVJust	Validate a Justification
roundrect	Draw a rectangle with rounded corners
roundrectGrob	Draw a rectangle with rounded corners

-- S --

seekViewport	Maintaining and Navigating the Grid Viewport Tree
segmentsGrob	Draw Line Segments
setChildren	Add a Grid Graphical Object
setGrob	Set a Grid Graphical Object
showGrob	Label grid grobs
showViewport	Display grid viewports
stringAscent	Create a Unit Describing the Width and Height of a String or Math Expression
stringDescent	Create a Unit Describing the Width and Height of a String or Math Expression
stringHeight	Create a Unit Describing the Width and Height of a String or Math Expression
stringWidth	Create a Unit Describing the Width and Height of a String or Math Expression
strokeGrob	Stroke or Fill a Path
strokeGrob.GridPath	Stroke or Fill a Path
strokeGrob.grob	Stroke or Fill a Path

-- T --

textGrob

Draw Text

-- U --

unit	Function to Create a Unit Object
unit.c	Combine Unit Objects
unit.length	Length of a Unit Object
unit.pmax	Parallel Unit Minima and Maxima
unit.pmin	Parallel Unit Minima and Maxima
unit.psum	Parallel Unit Minima and Maxima
unit.rep	Replicate Elements of Unit Objects
unitType	Return the Units of a Unit Object
upViewport	Maintaining and Navigating the Grid Viewport Tree
useGrob	Draw a Group
useRotate	Define a Group Transformation
useScale	Define a Group Transformation
useTranslate	Define a Group Transformation

-- V --

valid.just	Validate a Justification
validDetails	Customising grid grob Validation
viewport	Create a Grid Viewport
viewportRotate	Define a Group Transformation
viewportScale	Define a Group Transformation
viewportTransform	Define a Group Transformation
viewportTranslate	Define a Group Transformation
vpList	Create a Grid Viewport
vpPath	Concatenate Viewport Names
vpStack	Create a Grid Viewport
vpTree	Create a Grid Viewport

-- W --

widthDetails

Width and Height of a grid grob

-- X --

xaxisGrob	Draw an X-Axis
xDetails	Boundary of a grid grob
xsplineGrob	Draw an Xspline
xsplinePoints	Return the points that would be used to draw an xspline (or a Bezier curve)

-- Y --

yaxisGrob	Draw a Y-Axis
yDetails	Boundary of a grid grob