Mathematica Asked by Shawn Young on February 10, 2021
Could anyone help me to add the minor Log ticks to the X-axis of this Plot? Thank you so much!
DensityPlot[
20*y/(0.2 y + 0.8 x), {x, 1/10^10, 1/10^2}, {y, 1/10^9, 1/10^6},
ScalingFunctions -> {"Log", "Log"}, Ticks -> {Automatic},
ColorFunction -> "Rainbow"]
I’ve tried many ways but none of them worked out. I’m still learning this. Thank you.
dp = DensityPlot[20*y/(0.2 y + 0.8 x), {x, 1/10^10, 1/10^2}, {y, 1/10^9, 1/10^6},
ScalingFunctions -> {"Log", "Log"}, ColorFunction -> "Rainbow"];
Post-process dp
to change the default number of major and minor ticks ({6,6}
) to {8,6}
for the bottom and top frames:
Replace[dp, {vt : {_, _}, {bt : Charting`ScaledTicks[{Log, Exp}],
tt_}} :> {vt, {bt[#, #2, {8, 6}] &, tt[#, #2, {8, 6}] &}}, All]
Alternatively,
{leftticks, rightticks} = #[{Log, Exp}][Log[1/10^9], Log[1/10^6], {6, 6}] & /@
{Charting`ScaledTicks, Charting`ScaledFrameTicks};
{bottomticks, topticks} = #[{Log, Exp}][Log[1/10^10], Log[1/10^2], {8, 6}] & /@
{Charting`ScaledTicks, Charting`ScaledFrameTicks};
Show[dp, FrameTicks -> {{leftticks, rightticks}, {bottomticks, topticks}}]
Answered by kglr on February 10, 2021
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