spectralworkbench
spectralworkbench


Author Comment Last activity Moderation
chuynh451 "Here is my latest try: https://spectralworkbench.org/spectrums/89850 " | Read more » over 7 years ago
warren "Can you link to your spectra so I can see? " | Read more » over 7 years ago
warren "The intensity is not an absolute measure - just a proportion of the dynamic range of the camera sensor. There are a few approaches to correcting fo..." | Read more » over 7 years ago
sarahcm "Of course, please feel free to change it; I can't seem to figure out how. Also, one last question; in addition to the percentage of intensity, is ..." | Read more » over 7 years ago
warren "Also, would you mind renaming this question "calibration error" or something similarly descriptive? I could also do it for you, if you like (I'm an..." | Read more » over 7 years ago
warren "You know what, I believe this was because there's a "(" in the title. Yes -- I was able to upload and calibrate a version which I'd renamed withou..." | Read more » over 7 years ago
warren "Oh sorry, I didn't see that -- will check the calibration now. " | Read more » over 7 years ago
warren "I do see an error when I try -- checking out on the server now... thanks for your patience! " | Read more » over 7 years ago
sarahcm "Thank you so much for all your work on this site. A couple girls have been working on a Science Fair project and are stuck on this piece. " | Read more » over 7 years ago
sarahcm "ok, I posted the photo. The photo is uploaded, just won't calibrate. I greatly appreciate any suggestions! " | Read more » over 7 years ago
warren "Hi, Sara - can you post the photo you're trying up upload here? You can click here to edit your question and drag the image into the text area to ..." | Read more » over 7 years ago
Matej "Cool! Thanks Jeff! This is helpful. " | Read more » about 8 years ago
warren "What I did to compare is to calibrate on a CFL, then scan a tube fluorescent, so that the methodology for calibration is the same: https://spectra..." | Read more » about 8 years ago
Matej "Interesting. I actually did kind of an "educated guess" calibration but I couldn't find more but one blue peak. I know that in the "usual" CFL ther..." | Read more » about 8 years ago
warren "Actually this looks calibrated, no? " | Read more » about 8 years ago
Matej "@warren: in response to: "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/1..." | Read more » about 8 years ago
Matej "@ethanbass for calibration I am not smoothing the spectra. I just thought it could be helpful when comparing them and adding them to a set. " | Read more » over 8 years ago
Matej "Hi Jeff, Thanks for the info about the bug! I Will recalibrate right away. I discussed with Gretchen and I think I will keep using this bulb since ..." | Read more » over 8 years ago
dhaffnersr "Hey Jeff, your right I just thought about it, it will calibrate, it's just you can't get a good fit. " | Read more » over 8 years ago
warren "that continuous band on the blue spectrum gives poor calibration Dave, I don't think it's quite accurate to say that they give poor calibration. T..." | Read more » over 8 years ago
warren "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/16) which was since fixed. ..." | Read more » over 8 years ago
warren "Hi, Matej - it also looks like some of your spectra are not calibrated, or perhaps not properly? I'm seeing some not aligned. But all of them seem..." | Read more » over 8 years ago
dhaffnersr "Hello Matej! Those "humps" that you are getting from the daylight bulbs are the very reason I don't use them, that continuous band on the blue spec..." | Read more » over 8 years ago
ethanbass " " | Read more » over 8 years ago