November 2019
Intermediate to advanced
472 pages
9h 23m
Japanese
Content preview from Rグラフィックスクックブック 第2版 ―ggplot2によるグラフ作成のレシピ集
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レシピ
13.9
3
次元プロットを保存する
327
関連項目
予測面の体裁変更についての詳細は、
?rgl.material
を参照してください。
レシピ
13.9
3
次元プロットを保存する
問題
rgl
パッケージで作成した
3
次元プロットを保存したい。
解決策
rgl
によって作成したプロットをビットマップ画像として保存するためには、
rgl.snapshot()
を使用
してください。画面に表示されている画像がそのままキャプチャーされます。
library(rgl)
plot3d(mtcars$wt, mtcars$disp, mtcars$mpg, type = "s", size = 0.75, lit = FALSE)
rgl.snapshot('3dplot.png', fmt = 'png')
rgl.postscript()
を使用すれば、ポストスクリプトファイルや
PDF
ファイルとして保存することも
できます。
rgl.postscript('3dplot.pdf', fmt = 'pdf')
rgl.postscript('3dplot.ps', fmt = 'ps')
ポストスクリプトや
PDF
の出力は、
rgl
の基礎となっている
OpenGL
ライブラリの多くの機能をサ
ポートしていません。例えば、透過などはサポートしていませんし、点や線などのオブジェクトのサイ
ズは画面上で見える通りにはならないかもしれません。
解説
再現性のある図を作成するためには、現在の視点を保存して次回読み込む必要があります。
#
現在の視点を保存する ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.