| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "This looks very cool! Have you taken photos of these steps, or might you? We would love to feature this as an activity if you can illustrate at lea..." | Read more » | over 5 years ago | |||
| warren | "Hi, I was able to re-calibrate it and got something that looks all right: https://spectralworkbench.org/spectrums/112148 How's that? " | Read more » | over 5 years ago | |||
| warren | "Hi, we actually don't have a profile deletion system on Spectral Workbench, apologies! " | Read more » | over 5 years ago | |||
| warren | "Oh, great -- do you have raw data for these as well, like CSVs? " | Read more » | over 6 years ago | |||
| warren | "Oh thanks! I believe, but Chris may correct me, that it'd be sufficient to measure a cold long tube fluorescent lamp and compare it to pretty much ..." | Read more » | over 6 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 6 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 6 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 6 years ago | |||
| warren | "Oh sorry, I didn't see that -- will check the calibration now. " | Read more » | over 6 years ago | |||
| warren | "I do see an error when I try -- checking out on the server now... thanks for your patience! " | Read more » | over 6 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 6 years ago | |||
| warren | "Hi, do you mean delete them from SpectralWorkbench.org? There is a deletion button on the lower left side of each spectrum page. I hope that helps! " | Read more » | over 6 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 » | almost 7 years ago | |||
| warren | "Actually this looks calibrated, no? " | Read more » | almost 7 years ago | |||
| warren | "Just got this up -- a little late again, as usual. Please leave any feature requests, feedback, ideas or questions you have here in the comments! " | Read more » | about 7 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 » | about 7 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 » | about 7 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 » | about 7 years ago | |||
| warren | "Followup; this is kind of neat; this graph shows the amount of noise removed: " | Read more » | about 7 years ago | |||
| warren | "Oh, just the spectra you're looking at to reach those conclusions. Sorry to mix vocab :-) " | Read more » | about 7 years ago | |||
| warren | "Could you make a set of good double green line references to look at? " | Read more » | about 7 years ago | |||
| warren | "There are a few places where we do math -- like convert from 0-255 to 0.000-1.000, and when repeated over many pixels, its possible that there are ..." | Read more » | about 7 years ago | |||
| warren | "Well, i'm not saying this is an important step in any particular analysis -- just that you can do operations like this easily with the transform to..." | Read more » | about 7 years ago | |||
| warren | "Fetching multiple pixel rows is possible with the spectrum.imgToJSON() method in the new v2 API: https://github.com/publiclab/spectral-workbench/b..." | Read more » | about 7 years ago |