Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations Chris Miller on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. samji3877

    excel Luminance value

    Thats brilliant Tony thanks for your help, I don't have a clue how you've done it but it fixes the first hurdle!! I will keep you guys posted on how my model progresses. You never know it may even advance to colour perception, scary... Cheers Sam
  2. samji3877

    excel Luminance value

    yes please (I'd seen that it required a user function but from there I was stumped) Cheers TonyJollans Sam
  3. samji3877

    excel Luminance value

    Okay so what's a UDF?
  4. samji3877

    excel Luminance value

    Hey mscallisto, cheers for that but unfortunately it doesn't help, I don't require a custom colour, what I need is a formula that allows a cell to identify the luminance of another cell in a numerical form. Cheers for your help Sam
  5. samji3877

    excel Luminance value

    I'm trying to create a simple model of the eye retina in excel, I have a 10x10 grid in sheet 1 with different shades of black/grey/white background on sheet 2 I again have a 10x10 grid and I want each cell to provide a numerical value of the luminance of the corresponding cell in sheet 1. Can...

Part and Inventory Search

Back
Top