Drawing Axis Independently of Graphs or Higstrograms
 

TGaxis(xmin,ymin,xmax,ymax,wmin,wmax,ndiv,opt,gLength)

TGaxis->SetName("");
TGaxis->SetLabelSize(double_t);
TGaxis->SetTitle("");
TGaxis->SetTitleSize(double_t);
TGaxis->SetTitleOffset(double_t);
TGaxis->Draw();

• xmin,ymin,xmax,ymax: 初末位置
• wmin,wmax: 坐标的最大值和最小值
• opt:
  • G: logarithmic
  • B: Blank axis
  • U: 没有刻度(ticks)
  • +(-): 刻度在正(负)方向一侧
  • R,L,C,M: 标度的位置

m 毫 10^-3

μ 微 10^-6

n 纳 10^-9

p 皮 10^-12

f 费 10^-15

看上去不错的样子，就是不知道在本地有没有备份。

先试试 ，练练手。

恩，应该贴一张图片

#include
#include
#include

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