plot(x, y) #default is blue solid line
plot(x, y, 'r*') #red star mark
plot(x, y, 'go-') #green line with circle markers
plot(x, y, 'ks:') # black dotted line with square markers
Basic color format commands for plotting with the PyLab library
| colour |
|
| ‘b’ |
blue |
| 'g' |
green |
| 'r' |
Red |
| 'c' |
Blue |
| 'm' |
quality |
| 'and' |
yellow |
| 'k' |
black |
| 'w' |
White |
Basic line format commands for plotting with the PyLay library
| line type |
|
| '-' |
solid line |
| '--' |
dotted line |
| ':' |
Dotted line |
Basic drawing marker formatting commands for drawing with the LyLab library
| mark |
|
| '.' |
point |
| 'O' |
circle |
| 's' |
square |
| '*' |
star |
| '+' |
plus |
| 'x' |
Cross |
PlotDataItem plot line format command
| line type |
|
dotted line -- |
QtCore.Qt.DashLine |
solid line - |
QtCore.Qt.CustomDashLine |
Dotted line.- |
DashDotLine |
Dotted line. |
DotLine |
dotted line..- |
DashDotDotLine |
custom dotted line |
CustomDashLine |
eg:
self.curveLowerLimit=pg.PlotDataItem()
# 虚线DashLine -- ，实线SolidLine -，点划线DashDotLine，点线DotLine，点点线DashDotDotLine，定制虚线CustomDashLine
# pen = pg.mkPen(color="w", width=1, style=QtCore.Qt.CustomDashLine)
# pen.setDashPattern([1, 4, 5, 4])
pen = pg.mkPen(color="w", width=1,style=QtCore.Qt.DashLine)