我想用兩個3d散點圖使用rgl使用knitr
生成一個html文檔,但我嘗試將圖例添加到這兩個圖時有問題。使用完全相同的代碼(從一個塊複製並粘貼到另一個塊,然後更改要繪製的值),第一個圖的圖例以HTML方式顯示得太大。我已經生成了一個與我正在使用的數據類似的示例腳本:意想不到的行爲與plot3d和knitr繪圖傳說
---
title: "example"
output: html_document
---
Example script
# First plot
```{r 1st chunk, webgl=TRUE, echo = FALSE, fig.width=10, fig.height=10}
library(rgl)
knitr::knit_hooks$set(webgl = hook_webgl)
dt <- data.frame(x = runif(70, min = 1, max = 10),
y = runif(70, min = -10, max = 1),
z = runif(70, min = -20, max = -10),
groups = rep(c("Group1", "Group2", "Group3", "Group4", "Group5", "Group6", "Group7"), each = 10))
plot3d(dt$x, dt$y, dt$z,
xlab = "X", ylab = "Y", zlab = "Z",
type ="n")
grid3d(c("x", "y+", "z"))
legend3d("bottomright",
c("Group1", "Group2", "Group3", "Group4", "Group5", "Group6", "Group7"),
col = c(1:7),
pch = 20,
bg = "black",
bty = "n",
y.intersp = 0.8,
cex = 1.5)
for (i in seq_along(unique(dt$groups))){
sub <- dt[dt$groups == unique(dt$groups)[i],]
pch3d(sub$x, sub$y, sub$z,
col = i,
pch = 16,
radius = 0.2,
add = T)}
```
This first legend is way too large, while, with the exame same code, for the next plot, the legend is normal size
# Second plot
```{r 2nd chunk, webgl=TRUE, echo = FALSE, fig.width=10, fig.height=10}
library(rgl)
knitr::knit_hooks$set(webgl = hook_webgl)
dt <- data.frame(x = runif(150, min = 2, max = 20),
y = runif(150, min = -20, max = 2),
z = runif(150, min = -30, max = -20),
groups = rep(c("Group1", "Group2", "Group3", "Group4", "Group5", "Group6", "Group7", "Group8",
"Group9", "Group10", "Group11", "Group12", "Group13", "Group14", "Group15"), each = 10))
plot3d(dt$x, dt$y, dt$z,
xlab = "X", ylab = "Y", zlab = "Z",
type ="n")
grid3d(c("x", "y+", "z"))
legend3d("bottomright",
c("Group1", "Group2", "Group3", "Group4", "Group5", "Group6", "Group7", "Group8",
"Group9", "Group10", "Group11", "Group12", "Group13", "Group14", "Group15"),
col = c(1:15),
pch = 20,
bg = "black",
bty = "n",
y.intersp = 0.8,
cex = 1.5)
for (i in seq_along(unique(dt$groups))){
sub <- dt[dt$groups == unique(dt$groups)[i],]
pch3d(sub$x, sub$y, sub$z,
col = i,
pch = 16,
radius = 0.2,
add = T)}
```
任何幫助將不勝感激!
對我有何意見? –
是的,對不起,@MikeWise。當我用我的數據嘗試你的建議時,發生的事情是這兩個傳說變得太大了。所以我試圖找出發生了什麼事情,或者至少要創建一個例子,用與我的真實數據更類似的數據複製它。我會很快發佈它作爲答案! –
因此,您得到的結果與我發佈的結果不同? –