Displaying 20 results from an estimated 5000 matches similar to: "clipping viewports"
2010 Oct 20
1
need for speed on grid.rect
When I use grid.rect to print a multi-coloured grid, it is incredibly slow compared to a single colour grid, or even a two colour grid.
I've set out some simplified examples below. This is something I run literally thousands of times a day, so I would greatly appreciate any hints on how I might improve the speed???
library(grid)
pushViewport(viewport(
width = unit(100,
2007 Aug 07
2
backslash c
How do I get output with "\color{blue}", i.e. with
only one backslash???
> "\color{blue}"
[1] "color{blue}"
Warning messages:
1: '\c' is an unrecognized escape in a character
string
2: unrecognized escape removed from "\color{blue}"
> "\\color{blue}"
[1] "\\color{blue}"
>
Any help greatly appreciated.
Best regards,
2007 Dec 30
3
Date formats
Is the following expected behaviour for a date used in
an ifelse function?
> date <- Sys.Date()
> date
[1] "2007-12-30"
> ifelse(TRUE, date-1, date)
[1] 13876
> ifelse(FALSE, date-1, date)
[1] 13877
> ifelse(TRUE, as.character(date-1), date)
[1] "2007-12-29"
> if (TRUE) {date}
[1] "2007-12-30"
It would seem more natural to me if a date produced
2012 Oct 19
1
grid(Base): How to avoid "Figure region too small and/or viewport too large" by specifying 'relative' units?
Dear grid-expeRts,
The goal:
I would like to construct a plot (matrix) with grid and gridBase,
which consists of four "sub-plots". The sub-plots should have a square plotting
region as one would force with par(pty="s") in base graphics.
The problem:
I don't get a square plotting region, not even by specifying
pty="s" in par(). Indeed, if you display the grid
2012 Jun 20
2
exact relative positioning of lattice plots
Hello,
I have two lattice plots for which panel.height is fixed. I am trying to position them in a column so that there is exactly half an inch of vertical space between them. This would be a simple task if I were not fixing panel.height. But given that I am, I can't find a way to put exactly half an inch of space between the plots. Is there a way?
I've checked the Sarkar and
2007 Feb 12
1
Width of a plotting point (in inches) in grid package
Hello,
I'm trying to determine the width of a plotting point (in inches) in the
grid package. I naively thought I could create a pointsGrob with only one
point and get the width (as tried below), but this results in an object with
a size of 0inches (changing cex has no effect). Does anyone have a better
approach? Of course, it would be dependent upon the graphics parameters and
viewport...
2005 Mar 09
4
Lattice device page options-margins
I am using lattice to make figures as pdfs:
trellis.device(device = "pdf",file = "Figure6.pdf",color = FALSE)
I need to specify some blank space on the left-hand margins (the pages
will be bound so we need about 0.5 inch)). I have tried a number of
solutions but none seems to work (e.g. par.set). Can this be done when
initiating the plotting device? Or is the some other way
2009 Mar 21
1
Forestplot () box size question
Hi All,
I have been able to modify the x-axis to start at zero by adding xlow
and xhigh parameters; that was pretty simple. I have been unable to
find the location of the code that would turn off the information
weighting of the box size (I have smaller randomized trials getting
less weight than a much larger non-randomized trial). The function
is forestplot() from rmeta.
Thanks for any
2005 Mar 04
1
image size
Dear useRs,
I'm working in R 2.0.1 for Windows and producing PDF
files with Sweave. I seem to be hitting an image size
ceiling of around 6.8 x 6.8 inches. I would like to
produce taller images to make better use of my A4 page
and have tried:
<<TestMap, fig = TRUE, width = 6.5, height = 8 >>=
par.old(fin = c(6.5, 8))
image(x, etc.)
I get the message:
Error in plot.new(): Figure
2009 May 21
1
size of point symbols
Dear list,
This might be a topic for r-devel but i may be missing something
obvious.
I don't understand the rationale in the absolute sizes of the point
symbols, and I couldn't find it documented. The example below uses
Grid to check the size of the symbols against a square of 10mm x 10mm.
> checkOneSymbol <- function(pch=0){
> gTree(children=gList(
>
2009 May 21
1
size of point symbols
Dear list,
This might be a topic for r-devel but i may be missing something
obvious.
I don't understand the rationale in the absolute sizes of the point
symbols, and I couldn't find it documented. The example below uses
Grid to check the size of the symbols against a square of 10mm x 10mm.
> checkOneSymbol <- function(pch=0){
> gTree(children=gList(
>
2008 Aug 17
1
Making use of names of viewports (grid)
The following code, though not brilliant, works on an A4 page. It
might look odd on other devices of a very different size.
=============X8------- cut here ----------------------------
require(grid)
wide <- 15
vps <- grid.layout(nrow = 3, ncol = 4,
widths = unit(rep(1, 4), rep("null", 4)),
heights = unit(c(99, 1, 99),
2008 Dec 01
2
align two lattice plots with grid
Dear list,
I need to align two plots on top of each other for comparison (they
only have the x-axis in common). When the y-labels have a different
extent, I cannot find a way to align the x-axes, as illustrated below,
> library(grid)
> library(lattice)
> x <- seq(0, 10, length=100)
> y <- sin(x)
> y2 <- 10*sin(x)
> f <- rep(c("1", "2"),
2010 Sep 18
0
Saving long character variable to database saves timestamp instead
When saving a data frame with long character variable, approximately longer
than 30000 characters, to a text field in PostgreSQL, using RODBC on Windows
XP, I get a timestamp saved to the database instead. Is there any way to
extend the number of characters that a text variable can receive?
Here are the details of my case (simplified):
I'm using PostgreSQL to create a table
CREATE TABLE
2007 Mar 25
1
controlling panel.width and panel.height in viewports
Dear all,
I'm trying to get a series of lattice levelplots to appear in
viewports in a particular way but struggling to exert fine control
over their appearence. There are two conditions: (a) I only want the
levelplot to appear (I don't want axes, colour key, etc) in the
viewport and (b) I want the levelplot to expand to the maximum
allowable space in the viewport while observing
2013 Sep 16
1
Patch: fix segfault from empty raster
Hi,
A colleague recently came across an R crash, which I can boil down to
the following, running under Rgui on Windows 7:
library(ggplot2)
ggplot(data.frame(x=1, y=1, z=4.7), aes(x, y, z=z)) + stat_summary2d()
This reliably causes a segmentation fault. sessionInfo() below.
What's happening is that (for reasons which I'll discuss with the
ggplot2 developers) the 'colorbar'
2008 Mar 28
1
cpu usage high with windows change dir / winDialogString (PR#11045)
Good afternoon,
This is possibly a windows only bug, definitely of comparatively low
importance - but for the sake of completeness here we go. I've
searched http://bugs.R-project.org/ etc., but can find no mention.
For RGui.exe, the CPU usage goes to 100% for certain dialog boxes for
the duration that the dialog box is visible, e.g.
* check CPU usage is low
* On the RGui.exe menu chose
2011 Oct 01
1
error using ddply to generate means
Dear list,
I encounter an error when I try to use ddply to generate means as follows:
fun3<-structure(list(sector = structure(list(gics_sector_name = c("Financials",
"Financials", "Materials", "Materials")), .Names = "gics_sector_name",
row.names = structure(c("UBSN VX Equity",
"LLOY LN Equity", "AI FP Equity",
2009 May 14
1
Problem with viewports, print.trellis and more/newpage
Dear R-users,
I have got the following problem. I need to create 4x2 arrays of
xyplot's on several pages. The plots are created within a loop and
plotted using the print function. It seems that I cannot find the proper
grid syntax with my viewports, and the more/newpage arguments.
The following script is a simplification but hopefully will suffice to
illustrate my problem. Any suggestion
2010 Nov 20
1
Grid newbie: aligning & scaling viewports
Oh Knowledgeable Ones:
I'm working on a project using grid graphics (for the first time). A toy
example is given below, run it simply with >foobar() I am wondering why the
pink dot and concentric circles are not centered on the 3-color axis system.
Further, I feel like the concentric circles don't have the intended radius -
if my math is right, the outmost circle should touch the