Problem with clims using imagesc display

Hi, I'm using imagesc to display two images. I would like to have the same color for the same value of a pixel. Thereby, I use the clims commande : (my images contains value betwwen 0 and 1000)

clims = [0 1000];

hf = figure('units','normalized','outerposition',[0 0 1 1],'Color',[1 1 1]);
clims = [0 1000];
colormap(jet(256))
imagesc(x,y,planuCT_i,clims)
title('X-ray Microtomographie')

hf = figure('units','normalized','outerposition',[0 0 1 1],'Color',[1 1 1]);
clims = [0 1000];
colormap(jet(256))
imagesc(x,y,plan31P_i,clims)
title('CP ^1H \rightarrow ^3^1P MRI')

But even with that two pixel with the same value do not have the same color : The color are close but the RGB code are differents. Where is my mistake ?

I'm using Matlab R2013b Thank you very much

Answer 1

[Adam]

clims = [0 1000];

will just create a variable and do nothing else.

caxis( hAxes, clims );

where hAxes is the handle to your axes, will apply the clims to the axes.

Or just

caxis( clims )

to take your life in your hands and rely on the current axis and apply it to that!

[Maxime Yon]

I'm sorry but that didn't work. I remove the clim from the imagesc intruction and add the : caxis(clims) I still have the same problem I believe the think that it is only the RGB code which is wrong...

imagesc(x,y,planuCT_i) caxis(clims)

imagesc(x,y,plan31P_i) caxis(clims)

[Maxime Yon]

I zoom on the chosen pixel and the color is the same. Only the RGB code is wrong.

Even if there is still a problem it is okay for me : I will directly look on the colormap array to get the true code.

[Adam]

Ah, sorry, I missed that you were passing clims to imagesc which should work fine. Your images are too low res for me to be able to read what the data cursor reports though.