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Bluewhitered function in tiledlayout environment

5 vues (au cours des 30 derniers jours)
Richard Wood
Richard Wood le 4 Juin 2024
Réponse apportée : DGM le 4 Juin 2024
Dear all
I am using this nice customized function, https://es.mathworks.com/matlabcentral/fileexchange/4058-bluewhitered. When I use it in a tiledlayout environment, the individual colorbar for each of the plots is not centered in zero for the white colour:
u1=figure('visible','off','units','pixels','position',[0 0 1920 1080]);
tiledlayout("horizontal");
ax1=nexttile;
uimagesc(space_x,space_y,x);
axis xy;
colormap(gca,bluewhitered(256));
box on;
clr1=colorbar;
set(clr1,'TickLabelInterpreter','latex');
clim([-1 1]);
xlim([0 500]);
xticks([0:100:500]);
ylim([0 500]);
yticks([0:100:500]);
pbaspect([1 1 1]);
xtickangle(0);
set(gca,'TickLabelInterpreter','latex','FontSize',18);
ax2=nexttile;
uimagesc(space_x,space_y,y);
colormap(gca,bluewhitered(256));
axis xy;
box on;
clr2=colorbar;
set(clr2,'TickLabelInterpreter','latex');
clim([-1 1]);
xlim([0 500]);
xticks([0:100:500]);
ylim([0 500]);
yticks([0:100:500]);
pbaspect([1 1 1]);
xtickangle(0);
set(gca,'TickLabelInterpreter','latex','FontSize',18);
ax3=nexttile;
uimagesc(space_x,space_y,z);
box on;
axis xy;
colormap(gca,bluewhitered(256));
clr3=colorbar;
set(clr3,'TickLabelInterpreter','latex');
clim([-1 1]);
xlim([0 500]);
xticks([0:100:500]);
ylim([0 500]);
yticks([0:100:500]);
pbaspect([1 1 1]);
xtickangle(0);
set(gca,'TickLabelInterpreter','latex','FontSize',18);
set(gcf,'color','white');
set(gca,'Units','normalized');
set(u1,'Units','Inches');
posu1=get(u1,'Position');
set(u1,'PaperPositionMode','Auto','PaperUnits','Inches','PaperSize',[posu1(3),posu1(4)]);
I have tried to add "gca" to the colormap() environment, as suggested in the discussions of the function, but it does not seem to do the job.
Any ideas?

Réponse acceptée

DGM
DGM le 4 Juin 2024
Unlike other map generators, bluewhitered() depends on the caxis of the current axes. You need to generate the map after you set caxis. If your subplots have different caxis symmetry about 0, then you must regenerate the map each time.

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