Oh, you seem to have missed that I asked for a graph that maps every visible wavelength integer to an exact colour code. "Point and click" on a low resolution image is not that. Especially not one that is uneven and squashed together at the ends.
Thanks, I will check and compare how accurate it is.
I'm unfamiliar with this. Do you mean it's some metadata in the image file? What (free) photo editor can be used to read it and how do you copy it to a table?
I'm trying to run this java applet on this website: http://astro.u-strasbg.fr/%7Ekoppen/discharge/discharge.html
But the security settings in java doesn't allow it. I have added the website as exception in the java control panel, but it is still being blocked.
How to run this java applet?
Thanks but that picture is not what I'm looking for. The picture needs to be a 1D line graph. Actually, even a 360x2 array with just integer wavelengths and corresponding color codes would do.
Although the psychological and philosophical implications of this question are surely interesting, I request that those conundrums be taken in another thread (feel free to create a new one especially for this if you want to continue that discussion).
What I'm looking for here is something...
I'm trying to find a high resolution image that shows the visible electromagnetic spectrum with a fine graded scale. It should be detailed enough to pinpoint which exact colour corresponds to a particulate wavelength (integer in nanometer) of light. I find a lot of images through searches but no...