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R/vrml.close.R
In vrmlgen: Generate 3D visualizations for data exploration on the web
# terminates a VRML-environment and write the
# corresponding 3D-scene to a VRML file
`vrml.close` <-
function ()
{
# read global VRML parameters
vrmlgenEnv <- get(".vrmlgenEnv",envir=.GlobalEnv)
filename <- vrmlgenEnv$filename
htmlout <- vrmlgenEnv$html
VRMLDir <- vrmlgenEnv$VRMLDir
hheight <- vrmlgenEnv$hheight
hwidth <- vrmlgenEnv$hwidth
# catch calling of vrml.close without previous
# vrml.open-call as an error and show warning message
curwarn.setting <- as.numeric(options("warn"))
options(warn = 2)
if (data.class(result <- try(rm(".vrmlgenEnv", envir = .GlobalEnv),
TRUE)) == "try-error") {
options(warn = curwarn.setting)
warning("You are trying to apply vrml.close() without having used vrml.open() before")
}
options(warn = curwarn.setting)
# create output files in the current directory
curdir <- getwd()
setwd(VRMLDir)
file.copy(filename, paste(curdir, filename, sep = "/"), overwrite = TRUE)
file.remove(filename)
setwd(curdir)
if (!is.null(htmlout)) {
# create HTML output
cat("<HTML>", file = htmlout, append = FALSE)
cat("<HEAD><TITLE>VRMLGen-visualization</TITLE></HEAD><BODY><br>",
file = htmlout, append = FALSE)
cat(paste("<object type=\"x-world/x-vrml\" data=\"",
filename, "\" ", sep = ""), file = htmlout, append = TRUE)
cat(paste("width=\"", hwidth, "\" height=\"", hheight,
"\"><br>", sep = ""), file = htmlout, append = TRUE)
cat(paste("<param name=\"src\" value=\"", filename, "\"><br>",
sep = ""), file = htmlout, append = TRUE)
cat("Your browser cannot display VRML files.<br>Please INSTALL a VRML-plugin or open the file in an external VRML-viewer.</object><br>",
file = htmlout, append = TRUE)
cat("</BODY></HTML>", file = htmlout, append = TRUE)
}
# show success message
message(paste("\nOutput file \"", filename, "\" was generated in folder ",
getwd(), ".\n", sep = ""))
}
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vrmlgen documentation built on May 2, 2019, 1:06 p.m.
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# terminates a VRML-environment and write the
# corresponding 3D-scene to a VRML file
`vrml.close` <-
function ()
{
# read global VRML parameters
vrmlgenEnv <- get(".vrmlgenEnv",envir=.GlobalEnv)
filename <- vrmlgenEnv$filename
htmlout <- vrmlgenEnv$html
VRMLDir <- vrmlgenEnv$VRMLDir
hheight <- vrmlgenEnv$hheight
hwidth <- vrmlgenEnv$hwidth
# catch calling of vrml.close without previous
# vrml.open-call as an error and show warning message
curwarn.setting <- as.numeric(options("warn"))
options(warn = 2)
if (data.class(result <- try(rm(".vrmlgenEnv", envir = .GlobalEnv),
TRUE)) == "try-error") {
options(warn = curwarn.setting)
warning("You are trying to apply vrml.close() without having used vrml.open() before")
}
options(warn = curwarn.setting)
# create output files in the current directory
curdir <- getwd()
setwd(VRMLDir)
file.copy(filename, paste(curdir, filename, sep = "/"), overwrite = TRUE)
file.remove(filename)
setwd(curdir)
if (!is.null(htmlout)) {
# create HTML output
cat("<HTML>", file = htmlout, append = FALSE)
cat("<HEAD><TITLE>VRMLGen-visualization</TITLE></HEAD><BODY><br>",
file = htmlout, append = FALSE)
cat(paste("<object type=\"x-world/x-vrml\" data=\"",
filename, "\" ", sep = ""), file = htmlout, append = TRUE)
cat(paste("width=\"", hwidth, "\" height=\"", hheight,
"\"><br>", sep = ""), file = htmlout, append = TRUE)
cat(paste("<param name=\"src\" value=\"", filename, "\"><br>",
sep = ""), file = htmlout, append = TRUE)
cat("Your browser cannot display VRML files.<br>Please INSTALL a VRML-plugin or open the file in an external VRML-viewer.</object><br>",
file = htmlout, append = TRUE)
cat("</BODY></HTML>", file = htmlout, append = TRUE)
}
# show success message
message(paste("\nOutput file \"", filename, "\" was generated in folder ",
getwd(), ".\n", sep = ""))
}
Try the vrmlgen package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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