double
双精度浮点数
参见 维基百科：双精度浮点数格式.
属性
double 是以下内容的有效类型-
area -
arrowsize -
Damping -
defaultdist -
distortion -
dpi -
epsilon -
fontsize -
height -
inputscale -
K -
labelangle -
labeldistance -
labelfontsize -
len -
levelsgap -
lheight -
lwidth -
margin -
mclimit -
mindist -
nodesep -
normalize -
nslimit -
nslimit1 -
orientation -
overlap_scaling -
pad -
page -
penwidth -
quantum -
ranksep -
ratio -
repulsiveforce -
resolution -
rotation -
scale -
size -
skew -
voro_margin -
weight -
width -
z