丢失ggplot中的灰色边缘填充 [英] Losing the grey margin padding in a ggplot
问题描述
想要绘制geom_tile()而不显示周围的灰色框。例子:
pre $ library $ ggplot2
p < - ggplot(melt(volcano),aes(x = X1, y = X2,z = value,fill = value))+ geom_tile()
print(p)
生成下图,如果没有主题背景框住热图,本文看起来会更好。成像填充与基础图形相同,为4%。大部分时间都可以使用它,但并非总是如此。
我假设这个问题的解决方案也可以应用于其他几何体。
打印(p1 + scale_x_continuous(expand = c(0,0))+ scale_y_continuous(expand = c(0,0)))和这将摆脱
周围的灰色空间
A would like to plot geom_tile() without displaying the surrounding grey frame. Example:
library(ggplot2)
p <- ggplot(melt(volcano), aes(x = X1, y = X2, z = value,fill = value)) + geom_tile()
print(p)
Produces the figure below, which would look better had not the theme background framed the heatmap proper. I imaging the padding is the same 4% as in base graphics. It's good to have it most of the time, but not always.
I assume the same solution to this problem could be applied to other geoms as well.
just do print(p1 + scale_x_continuous(expand = c(0, 0)) + scale_y_continuous(expand = c(0, 0)))
and that will get rid of the gray space around
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