The specbar function adds a spectral colorbar to a figure.
Usage:
specbar(ticks,h)
Where:
Parameter | Description |
ticks (optional) | Defines the x-axis tick labels. |
h (optional) | Specifies the axis handle, default: current active axis (gca). |
Plot Standard Illuminants D50, D65 and D75:
lam = 380:780; spec = ciespec(lam,{'D50','D65','D75'}); plot(lam,spec) xlim([lam(1) lam(end)]) xlabel('\lambda in nm') legend('D50','D65','D75') grid on specbar
see also: ciespec
Result:
Plot Standard Illuminants D50, D65 and D75 and define x-ticks:
lam = 380:780; spec = ciespec(lam,{'D50','D65','D75'}); plot(lam,spec) xlim([lam(1) lam(end)]) xlabel('\lambda in nm') legend('D50','D65','D75') grid on specbar(380:50:780)
see also: ciespec
Result: