Comments

warren commented on Refractometer for measuring nutrient density in food : "I'd hazard a guess that a spectrometer would yield much more information about the contents of sap -- there's only one dimension in BRIX data, just..." | Read more » over 6 years ago
warren commented on Chandeleur Islands (Northeast), Louisiana : "I added a timelapse video of Stewart stitching this map together -- it's amazing to see the process occurring before your eyes. Make no mistake, it..." | Read more » over 6 years ago
warren commented on performance art; virtual bike paths in Prague : "haha, nice -- very nice! " | Read more » over 6 years ago
warren commented on Spectrometry UROP last (for me) update : "Great work, Alex - http://publiclaboratory.org/notes/warren/5-3-2011/hoya-uv-filter-profiles I noted on this page that the UV cutoff of glass is ..." | Read more » over 6 years ago
MicheleTobias commented on Creating Multispectral Imagery for California Beaches : "I may have figured out why the images have such a reduced resolution. Some of the settings in the stitching program I used limited the size of the..." | Read more » over 6 years ago
warren commented on Chandeleur Islands, Louisiana : "gosh this is colorful. it's going to look great in print. " | Read more » over 6 years ago
gonzoearth commented on Balloon Mapping iPad app : "I downloaded it but cannot seem to do anything with the app in the simulator. It has been a long time and I have forgotten how the provisioning pro..." | Read more » over 6 years ago
warren commented on Balloon Mapping iPad app : "yeah i think apple doesn't want you to be happy. There's a $30 adapter: http://store.apple.com/us/product/MC531ZM/A " | Read more » over 6 years ago
commented on Balloon Mapping iPad app : "I don't have an iPad, but wondering, is there a way that photos could be downloaded from a camera on the iPad while out mapping? I was just looking..." | Read more » over 6 years ago
warren commented on Hoya UV filter profiles : "A note on this -- Remote Sensing: Principles and Interpretation lists the cutoff of UV for glass (lenses) as 350nm. I wonder if getting a Hoya 350 ..." | Read more » over 6 years ago
warren commented on Rent FLIR thermal infrared cameras at some Home Depots : "$45 for 4 hours, $75 for 24 hours! Michael Nagle from Sprout just gave them a ring. " | Read more » over 6 years ago
gonzoearth commented on Calculating Pixel Resolution : "I had the same thoughts and there is no time like the present so I added it, thanks. That kind of grouping sounds great. " | Read more » over 6 years ago
warren commented on Calculating Pixel Resolution : "Stewart -- we ought to add this to the curriculum: http://publiclaboratory.org/wiki/mapping-curriculum In fact, publishing the curriculum as a se..." | Read more » over 6 years ago
gonzoearth commented on Rent FLIR thermal infrared cameras at some Home Depots : "Indeed, I wonder how much? I was just looking at these "RESNET" standards that they market compliance with: http://www.resnet.us/standards " | Read more » over 6 years ago
MicheleTobias commented on Creating Multispectral Imagery for California Beaches : "The jury's still out on the final flying height, but I think it was about 30 meters (so really low). There is no good imagery to use to reference ..." | Read more » over 6 years ago
warren commented on Creating Multispectral Imagery for California Beaches : "Is there good ground reference imagery for this site? What are the coordinates? " | Read more » over 6 years ago
warren commented on Creating Multispectral Imagery for California Beaches : "Wow, fantastic resolution. What altitude did you fly from? " | Read more » over 6 years ago
MicheleTobias commented on Creating Multispectral Imagery for California Beaches : "The picture is just a piece of the final mosaic (about 7 photos shown). The whole thing was about 20 narrowed down from the 130 or so photos taken..." | Read more » over 6 years ago
gonzoearth commented on Creating Multispectral Imagery for California Beaches : "Well done. How large is the input dataset? I look forward to following your work. " | Read more » over 6 years ago
gonzoearth commented on Chandeleur Islands, Louisiana : "Postprocessing was applied to the TIFF file, and the map was republished with gdal _translate and a_ullr to assign the georeferenced bounds of the ..." | Read more » over 6 years ago
warren commented on Balloon Mapping Harvard GSD : "Hi, Trịnh Ngọc Duy -- Your flight looks great, amazing! (including it inline here for other readers: If you're interested, you should email the..." | Read more » over 6 years ago
qwerty68 commented on Balloon Mapping Harvard GSD : "I have done the same thing like you. Everyone can look at: https://www.youtube.com/watch?v=tOAmBONgAds and https://www.youtube.com/watch?v=Hz-bcGng..." | Read more » over 6 years ago
warren commented on Lake Borgne, Louisiana : "Alex Kolker from LUMCON (Louisiana Universities Marine Consortium) mentioned that although waterways in marshland may shift quite rapidly, the cent..." | Read more » over 6 years ago
warren commented on USDA Farm Services Agency imagery of oil in Barataria Bay : "Crap, this turns out to be a Digital Globe image, under copyright. Oh well. " | Read more » over 6 years ago
gonzoearth commented on PLOTS New York Summit : "KAP oblique from letsflykites.com http://archive.publiclaboratory.org/new-york-city/2011-3-27-newyork-brooklyn-gowanuscanal/oblique/2011-4-17-newyo..." | Read more » over 6 years ago
cesarharada commented on Cheap UV photos: Using a UV-pass filter with a CMOS camera : "Check out photomultipliers : "These detectors multiply the current produced by incident light by as much as 100 million times (i.e., 160 dB), in mu..." | Read more » over 6 years ago
warren commented on Cheap UV photos: Using a UV-pass filter with a CMOS camera : "Yeah... i was photographing flowers because i've heard that they look quite different in the UV range, since many pollinating insects can see UV. " | Read more » over 6 years ago
cesarharada commented on Cheap UV photos: Using a UV-pass filter with a CMOS camera : "That looks great!!! Sorry if it sounds stupid but ... it is kind of ... romantic looking :D ! I can't wait to try these cameras out in the Gulf!!! " | Read more » over 6 years ago
commented on Reed Arts Week, RAW: Geographies : "I'll be at Engineers Without Borders EWB-USA International Conference in Louisville, Kentucky, March 24-26. I'll have a Simple, Inexpensive Aerial..." | Read more » over 6 years ago
warren commented on Quantify wetland from aerial UV photo : "Adam Griffith reported back that: Beaufort County, SC contracted with Fugro Earth Data for the image acquisition. This is a very expensive techniq..." | Read more » over 6 years ago