How to plot colorbar and plot size different?

Question

Nisar Ahmed 2022-9-12

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1803415-how-to-plot-colorbar-and-plot-size-different

评论： Star Strider 2022-9-15

Hi

When I plot colorbar, it reduces the size of my actual plot. I have 5 subplot and each has a separate colorbar. How to fix this issue?

I want to plot colorbar for each subplot and next to subplot. how can i solve it?

how can I adjust the ticks on colorbar (interval between colorbar ticks)?

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Answer 1

Star Strider 2022-9-12

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https://ww2.mathworks.cn/matlabcentral/answers/1803415-how-to-plot-colorbar-and-plot-size-different#answer_1051805

在 MATLAB Online 中打开

One option would be to stretch the figure by adjusting the 'Position' property. It is possible to re-position it and stretch (or compress) it vertically as well, depending on what you want as the result. See the documentation on the Position property for a full description and details.

Example —

x = 0:999;

y = (1:5:25).'+sin((1:5:25).'*2*pi*x/20);

figure

for k = 1:5

subplot(1,5,k)

plot(x, y(k,:))

xlim([0 20])

colorbar

end

sgtitle('Original')

figure

for k = 1:5

subplot(1,5,k)

plot(x, y(k,:))

xlim([0 20])

colorbar

end

pos = get(gcf, 'Position');

set(gcf,'Position',pos+[-50 0 250 0]) % Shift Slightly Left & Stretch To Right

sgtitle('Stretched Width')

.

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Nisar Ahmed 2022-9-12

移动：Star Strider 2022-9-12

@Star Strider Here is my code to obtain Prob_vp0, Prob_vs0, Prob_rho0.....and are plotted against VD as:

x2 = [1500:50:6000]';

Prob_vp0 = zeros(length(VD), length(x2));

x3 = [800:50:3800]';

Prob_vs0 = zeros(length(VD), length(x3));

x4 = [2000:10:2800]';

Prob_rho0 = zeros(length(VD), length(x4));

x5 = [20:1:64]';

Prob_qp0 = zeros(length(VD), length(x5));

x6 = [10:1:40]';

Prob_qs0 = zeros(length(VD), length(x6));

for i=1:length(VD)

Prob_vp0(i,:) = ksdensity(vp0(i,:),x2);

Prob_vp0(i,:) = Prob_vp0(i,:)/sum(Prob_vp0(i,:));

Prob_vs0(i,:) = ksdensity(vs0(i,:),x3);

Prob_vs0(i,:) = Prob_vs0(i,:)/sum(Prob_vs0(i,:));

Prob_rho0(i,:) = ksdensity(rho0(i,:),x4);

Prob_rho0(i,:) = Prob_rho0(i,:)/sum(Prob_rho0(i,:));

Prob_qp0(i,:) = ksdensity(qp0(i,:),x5);

Prob_qp0(i,:) = Prob_qp0(i,:)/sum(Prob_qp0(i,:));

Prob_qs0(i,:) = ksdensity(qs0(i,:),x6);

Prob_qs0(i,:) = Prob_qs0(i,:)/sum(Prob_qs0(i,:));

end

%subplot(151);

figure(1), imagesc([1500:50:6000], VD, Prob_vp0); xlabel('V_P (m/s)');

axis([1600 6000 1.888e+03 2.131e+03]); set(gca,'ytick',[1.888e+03:55:2.131e+03]);

set(gca,'xtick',[1600:4400:6000]); set(gca,'FontSize',9); ylabel('Depth (m)');

colorbar; caxis([0 0.05]);

set(gcf, 'position', [500 285 200 400]);

figure(2), imagesc([800:50:3800], VD, Prob_vs0); set(gca,'FontSize',9);

ylabel('Depth (m)'); set(gca,'xtick',[800:3000:3800]); xlabel('V_S (m/s)');

set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.15]);

set(gcf, 'position', [600 285 200 400]);

figure(3), imagesc([2000:10:2800], VD, Prob_rho0); set(gca,'FontSize',9);

ylabel('Depth (m)'); set(gca,'xtick',[2000:800:2800]); xlabel('Rho (kg/m^3)');

set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.11]);

set(gcf, 'position', [700 285 200 400]);

figure(4), imagesc([20:1:64], VD, Prob_qp0); ylabel('Depth (m)'); xlabel('Q_P');

set(gca,'xtick',[20:44:64]); set(gca,'FontSize',9); set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.17]);

set(gcf, 'position', [800 285 200 400]);

figure(5), imagesc([10:1:40], VD, Prob_qs0); ylabel('Depth (m)'); xlabel('Q_S');

axis([10 40 1.888e+03 2.131e+03]); set(gca,'ytick',[1.888e+03:55:2.131e+03]);

set(gca,'xtick',[10:30:40]); set(gca,'FontSize',9);

colorbar; caxis([0 0.35]);

set(gcf, 'position', [900 285 200 400]);

Star Strider 2022-9-12

在 MATLAB Online 中打开

This works for me (in R2022a) —

% LD = load(websave('xy','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1122910/xy.mat'))

load(websave('xy','https://www.mathworks.com/matlabcentral/answers/uploaded_files/1122910/xy.mat'))

figure

subplot(1,5,1)

imagesc([1500:50:6000], VD, Prob_vp0); xlabel('V_P (m/s)');

axis([1600 6000 1.888e+03 2.131e+03]); set(gca,'ytick',[1.888e+03:55:2.131e+03]);

set(gca,'xtick',[1600:4400:6000]); set(gca,'FontSize',9); ylabel('Depth (m)');

colorbar; caxis([0 0.05]);

subplot(1,5,2)

imagesc([800:50:3800], VD, Prob_vs0); set(gca,'FontSize',9);

ylabel('Depth (m)'); set(gca,'xtick',[800:3000:3800]); xlabel('V_S (m/s)');

set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.15]);

subplot(1,5,3)

imagesc([2000:10:2800], VD, Prob_rho0); set(gca,'FontSize',9);

ylabel('Depth (m)'); set(gca,'xtick',[2000:800:2800]); xlabel('Rho (kg/m^3)');

set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.11]);

subplot(1,5,4)

imagesc([20:1:64], VD, Prob_qp0); ylabel('Depth (m)'); xlabel('Q_P');

set(gca,'xtick',[20:44:64]); set(gca,'FontSize',9); set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.17]);

subplot(1,5,5)

imagesc([10:1:40], VD, Prob_qs0); ylabel('Depth (m)'); xlabel('Q_S');

axis([10 40 1.888e+03 2.131e+03]); set(gca,'ytick',[1.888e+03:55:2.131e+03]);

set(gca,'xtick',[10:30:40]); set(gca,'FontSize',9);

colorbar; caxis([0 0.35]);

sgtitle('Original')

figure

subplot(1,5,1)

imagesc([1500:50:6000], VD, Prob_vp0); xlabel('V_P (m/s)');

axis([1600 6000 1.888e+03 2.131e+03]); set(gca,'ytick',[1.888e+03:55:2.131e+03]);

set(gca,'xtick',[1600:4400:6000]); set(gca,'FontSize',9); ylabel('Depth (m)');

colorbar; caxis([0 0.05]);

subplot(1,5,2)

imagesc([800:50:3800], VD, Prob_vs0); set(gca,'FontSize',9);

ylabel('Depth (m)'); set(gca,'xtick',[800:3000:3800]); xlabel('V_S (m/s)');

set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.15]);

subplot(1,5,3)

imagesc([2000:10:2800], VD, Prob_rho0); set(gca,'FontSize',9);

ylabel('Depth (m)'); set(gca,'xtick',[2000:800:2800]); xlabel('Rho (kg/m^3)');

set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.11]);

subplot(1,5,4)

imagesc([20:1:64], VD, Prob_qp0); ylabel('Depth (m)'); xlabel('Q_P');

set(gca,'xtick',[20:44:64]); set(gca,'FontSize',9); set(gca,'ytick',[1.888e+03:55:2.131e+03]); colorbar;

colorbar; caxis([0 0.17]);

subplot(1,5,5)

imagesc([10:1:40], VD, Prob_qs0); ylabel('Depth (m)'); xlabel('Q_S');

axis([10 40 1.888e+03 2.131e+03]); set(gca,'ytick',[1.888e+03:55:2.131e+03]);

set(gca,'xtick',[10:30:40]); set(gca,'FontSize',9);

colorbar; caxis([0 0.35]);

pos = get(gcf, 'Position');

set(gcf,'Position',pos+[-50 0 450 0]) % Shift Slightly Left & Stretch To Right

sgtitle('Stretched')

The Online Run feature has some (necessary) constraints, so you will likely get slightly different results than appear here when you plot it. Make appropriate adjustments to get the result you want.

The only change I made to your original posted code was to remove the ‘set(gcf,'position',...)’ calls for each figure, since they are not necessary here.

.

Nisar Ahmed 2022-9-15

@Star Strider Thanks dear

Star Strider 2022-9-15

As always, my pleasure!

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How to plot colorbar and plot size different?

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How to plot colorbar and plot size different?

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