| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Hi, Dave and @ygstcu - I have a version of the gain correction code loaded into a local copy of my code, and am testing it out. Dave, can you link ..." | Read more » | almost 9 years ago | |||
| stoft | "Jeff, pretty close. I'll try again, in case I'm not reading your code accurately.... 1 - Solux4700K_spec([nm(300:800),val(300:800)]) = the Mfg's s..." | Read more » | almost 9 years ago | |||
| warren | "That's super, thanks. I think we're pretty close here, but I just wanted to get explicit confirmation that the process I outlined is accurate for h..." | Read more » | almost 9 years ago | |||
| stoft | "Ok, if you look back up above in THIS research note, you will see an Update I have added which includes a single combined plot set using my PLab-3 ..." | Read more » | almost 9 years ago | |||
| warren | "Hi, Dave - Mathew confirmed that the Desktop Spectrometry Kit v3.0 has always shipped with the JDEPC-OV04 webcam, not the SANM webcam. The SANM was..." | Read more » | almost 9 years ago | |||
| warren | "Oops, one more bugfix to the pseudocode -- now I think it's what I intended. " | Read more » | almost 9 years ago | |||
| warren | "Sorry, fixed the formatting. " | Read more » | almost 9 years ago | |||
| warren | "Posting the correction file and Solux published spectrum that Dave sent me here: Solux4700KGCal_300-800nm_SANM.csv - Dave's correction curve from..." | Read more » | almost 9 years ago | |||
| warren | "Sorry, indeed I should've left my comment on the other post. Moving over there, thanks. " | Read more » | almost 9 years ago | |||
| stoft | "Yes, the Solux4700KSpectrum file contains Solux's 4700K lamp output spectrum, after a 3-5min warm-up period +/-200K on the center color temperature..." | Read more » | almost 9 years ago | |||
| warren | "1 - Solux4700KGCal_300-800nm_SANM.csv (My cal curve from my MatLab data) 2 - Solux4700KSpectrum_280-800.txt (My extraction of Solux data from w..." | Read more » | almost 9 years ago | |||
| stoft | "Sure; they are just different file types (content). Initially, for testing, there could be just one "default" selection with buried data as a proof..." | Read more » | almost 9 years ago | |||
| stoft | "I used the 35W Solux 4700K. eg: http://www.amazon.com/35003-Daylight-Halogen-Degree-Kelvin/dp/B0002GS4GE/ref=sr_1_2?s=hi&ie=UTF8&qid=145202..." | Read more » | almost 9 years ago | |||
| warren | "I guess I'm thinking of how we might use different correction files for different lamps, and how people might upload and share new correction files..." | Read more » | almost 9 years ago | |||
| stoft | "The correction data is in a CVS file and the Solux data is in a TXT list file -- both with 2 columns (nm,value). The data should remain in this (nm..." | Read more » | almost 9 years ago | |||
| warren | "OK, while we're tackling some of the discussion of gain correction in https://publiclab.org/notes/stoft/02-25-2015/plab-spectrometer-gain-correctio..." | Read more » | almost 9 years ago | |||
| warren | "Ah yes, re: multiplicative. Luckily there's an as-yet hidden feature called blend: which is like subtract, but which allows any arithmetic combinat..." | Read more » | almost 9 years ago | |||
| stoft | "Jeff - Yes, it may be possible (with some modifications) to use your new feature code for a 'default' gain correction. Also recall my later researc..." | Read more » | almost 9 years ago | |||
| warren | "Hi, Dave - I'm circling back because I believe the new subtract: feature in Spectral Workbench 2.0 could enable you to do a standard gain correctio..." | Read more » | almost 9 years ago | |||
| warren | "While it continues to be an evolving prototype, the new Subtraction tools in Spectral Workbench 2.0 (preview) allow for subtraction of one spectrum..." | Read more » | about 9 years ago | |||
| coccos | "This project might be of interest for finding a solution for the calibration problem: https://jethomson.wordpress.com/spectrometer-articles/how-to..." | Read more » | over 9 years ago | |||
| stoft | "How about just a partial 'fade-out' of the graphics plot range below 400nm and above 650nm (darkened / subdued colors) and then activate a text not..." | Read more » | over 9 years ago | |||
| warren | "Hmm... I'm wondering what the right graphical indicator for lower dynamic range at the outer edges of the spectrum should look like. " | Read more » | over 9 years ago | |||
| stoft | "Might be helpful to post the topic in the PLab Spectrometer Google groups where you can get a wide range of feedback. Briefly, I'm not clearly foll..." | Read more » | over 9 years ago |