I am trying to make contour plot of a 20*20 matrix using the function ListContourPlot.
I want the contour curves to be thick and black at the same time.
So I tried
ContourStyle -> [Black, Thick]
and
BaseStyle -> Thick, ContourStyle -> Thick
and many other ways.
However, all of them give me Thick and Gray curves.
Like this
How can I make the contour curves as black as the frame lines?
Here is my data
Here is how I read in the data:
data = ReadList[".../2Dshape4t30.txt", Number, RecordLists -> True];
Here is the my code for plotting
ListContourPlot[data2d, Contours -> {0.05, 0.1, 0.2, 0.01, 0.001},
InterpolationOrder -> 3, ContourShading -> None,
ContourLabels -> All, ContourStyle -> Directive[Black, Thick],
Axes -> False , FrameStyle -> Thick, FrameTicks -> None]
PlotTheme->"Monochrome"
? $\endgroup$Opacity[1]
to theContourStyle
. It is black but partially transparent by default. $\endgroup$ContourStyle -> Directive[Black, Thick]
orContourStyle -> Directive[Opacity[1],Black, Thick]
? $\endgroup$