My color map and color bar are not representing the same colors?

I have a code something like this.

 [m,n]=meshgrid(0:el_length_x:XL, 0:el_length_y:YL); 
  figure
  surf(m,n,D3);  
    colormap jet; 
  hc=colorbar; 
  set(hc, 'ylim', [0 1])
  shading interp

my D3 values are closer to 0 as you can see in the figure 2.

My colorbar shows only the brown but my plot shows different colors. How to avoid this?

Answer 1

[Luna]

It is because your values are close to 0 but you set colorbar limit from [0 1].

That below set would work but I personally don't set colorbar limits and leave it Matlab to do it automatically.

 set(hc, 'ylim', [0 0.1])