50 lines
1.2 KiB
R
50 lines
1.2 KiB
R
library(grid)
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## Set up
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grid.newpage()
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pushViewport(viewport(name="a.vp"))
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grid.rect(name="a.grob")
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## Default finds only grobs (no vpPath)
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result <- grid.grep("a", grep=TRUE, global=TRUE)
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result
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attr(result[[1]], "vpPath")
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## 'viewports = TRUE' (and 'vpPath = TRUE')
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## finds grobs and viewports (AND vpPath on grobs)
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result <- grid.grep("a", grep=TRUE, global=TRUE, viewports=TRUE)
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result
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attr(result[[2]], "vpPath")
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## 'viewports = FALSE' and 'vpPath = TRUE'
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## finds only grobs AND vpPath on grobs
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result <- grid.grep("a", grep=TRUE, global=TRUE, vpPath=TRUE)
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result
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attr(result[[1]], "vpPath")
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## 'viewports = TRUE' and 'vpPath = FALSE'
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## finds viewports and grobs (no vpPath)
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result <- grid.grep("a", grep=TRUE, global=TRUE, viewports=TRUE, vpPath=FALSE)
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result
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attr(result[[2]], "vpPath")
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###########################
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## global=FALSE versions
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## grob (no vpPath)
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result <- grid.grep("a", grep=TRUE)
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result
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attr(result, "vpPath")
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## viewport (NULL vpPath)
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result <- grid.grep("a", grep=TRUE, viewports=TRUE)
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result
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attr(result, "vpPath")
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## grob with vpPath
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result <- grid.grep("a", grep=TRUE, vpPath=TRUE)
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result
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attr(result, "vpPath")
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## viewport (NULL vpPath)
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result <- grid.grep("a", grep=TRUE, viewports=TRUE, vpPath=FALSE)
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result
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attr(result, "vpPath")
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