| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "I wonder if I will miss Markdown when the Rich Editor is implemented. " | Read more » | almost 9 years ago | |||
| cfastie | "Let's see if the backslash (\) escape works: #0 machine screw #2 nylon washer In a list: #0 machine screw #2 nylon washer " | Read more » | almost 9 years ago | |||
| cfastie | "There is probably someone living down the street from you who knows the names of all the trees in Berlin and would be flattered if asked to share t..." | Read more » | almost 9 years ago | |||
| cfastie | "Correction: When I calibrate Corrected Snowy CFL (with itself), I can get a Fit as good as 5. But the two spectral images are not well aligned when..." | Read more » | almost 9 years ago | |||
| cfastie | "Ah, set as in SW set! Here is one with CFL spectra from you, me, stoft, and spectra4cps: https://spectralworkbench.org/sets/3165. All of these sho..." | Read more » | almost 9 years ago | |||
| cfastie | "What do you mean by references? " | Read more » | almost 9 years ago | |||
| cfastie | "Jeff, I made a corrected (ideal) version of the Snowy Sky CFL spectral image when we were working through this in October. This is the basis for t..." | Read more » | almost 9 years ago | |||
| cfastie | "Parth, Good question. You might think that digital cameras were good examples of intelligent design, but they are more like living organisms which..." | Read more » | almost 9 years ago | |||
| cfastie | "Jeff, are these the specs for the image you need for the reference spectrum: 1390 px wide with the blue 436 peak at 211 pixels from left, and the g..." | Read more » | almost 9 years ago | |||
| cfastie | "Parth, Red filters like the Rosco #19 block most blue and green light, so the blue and green channels cannot receive the colors that they would no..." | Read more » | almost 9 years ago | |||
| cfastie | "That's some excellent detective work. We know there is mercury in all fluorescent lamps, so all the big mercury peaks should be present in all good..." | Read more » | almost 9 years ago | |||
| cfastie | "Okay, looks good. You just have to put carriage returns or two spaces after a line or an image to make it insert a return. " | Read more » | almost 9 years ago | |||
| cfastie | "Wow, the 660/850 camera focuses well across the image. That's good to know it can be done with a 1.0 mm thick filter. The 475/850 camera looks a li..." | Read more » | almost 9 years ago | |||
| cfastie | "Hi @Claytonb, That's good to know. Did you compare the different channels to see if some showed any vignetting? A photo of an evenly lit solid fie..." | Read more » | almost 9 years ago | |||
| cfastie | "Parth, Most photos taken by DIY NDVI cameras cannot be converted directly to NDVI because the ratio of the visible and NIR values does not compute..." | Read more » | almost 9 years ago | |||
| cfastie | "Oh, I like that idea of including some parts in the mapping kits so the user can get started attaching their camera. That could be a nice touch. I ..." | Read more » | almost 9 years ago | |||
| cfastie | "Hi Parth, There are a lot of options at infragram.org, so it's not easy to find the most sensible way to process a photo. I made the NDVI image be..." | Read more » | almost 9 years ago | |||
| cfastie | "Thanks, Tony. I suspect there is going to be great variability in the rotation depending on wind, kite, camera mass, suspension (Picavet vs pendulu..." | Read more » | almost 9 years ago | |||
| cfastie | "Thanks Tony, I like the idea of a universal ball head instead of a hinge. That would make it easier to switch between nadir and oblique when using..." | Read more » | almost 9 years ago | |||
| cfastie | "That looks pretty good. With the defaults in the photo monitoring plugin, the plant leaves have an NDVI value around 0.3. We don't know what the ND..." | Read more » | almost 9 years ago | |||
| cfastie | "The combination of the cardboard with both creases and the to-go container looks pretty protective. I like the fact that the splay of the four legs..." | Read more » | almost 9 years ago | |||
| cfastie | "Those binder clips are a great idea. I like the four different colors. Does the Public Lab Mobius come with the slide-on holder? That has a tripod ..." | Read more » | almost 9 years ago | |||
| cfastie | "Here is the range of NIR:VIS ratios for NDVI values between 0.2 and 0.8. " | Read more » | almost 9 years ago | |||
| cfastie | "That looks promising. I guess that PiCamera module is a useful tool. I think that photo is a little too yellow. The blue values for foliage are ver..." | Read more » | almost 9 years ago |