SpectralFiltering Last update: 09.03.2026 Description Activates or deactivates color filter spectrum or sun glasses spectrum. Returns 1 if the call has succeeded, 0 otherwise. Syntax object.SpectralFiltering(BSTR strSpectralFilterFileName) As Short object: Virtual Photometric Lab or Virtual Human Vision Lab object strSpectralFilterFileName: path to the spectrum name. To deactivate the filter, enter a void string.
