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warren 7602 research notes and wiki edits | Admin

The creator of GrassrootsMapping.org and co-founder and Research Director for Public Lab, Jeffrey Warren designs mapping and civic science tools and professionally flies balloons and kites. Notable software he has created include the vector-mapping framework Cartagen and orthorectification tool MapKnitter, as well as open spectral database and toolkit Spectral Workbench.

He is Vice President of the board of the Open Source Hardware Association, on the board of alternative education program Parts and Crafts in Somerville MA, and an advocate of open source software, hardware, and data. He co-founded Vestal Design, a graphic/interaction design firm in 2004, and directed the Cut&Paste Labs project, a year-long series of workshops on open source tools and web design in 2006-7 with Lima designer Diego Rotalde.

Jeff holds an MS from MIT and a BA in Architecture from Yale University, and spent much of that time working with artist/technologist Natalie Jeremijenko, building robotic dogs and stuff. To find out more, visit Unterbahn.com.


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71 questions asked

146 answers posted

2529 comments posted



Bayou St. Denis in Cartagen Knitter

by warren almost 7 years ago | 0 | 1,893 | 0

http://cartagen.org/maps/bayou-st--denis Pitch in sorting on http://MapMill.org!0

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Toy spectrometers arrived

by warren almost 7 years ago | 0 | 3,169 | 0

They're great in helping us refine our DIY spectrometer design. See a spectrum I created with one...

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Does the Beer Lambert law apply to the opacity of reagents?

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warren asked about 1 day ago

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answered on Nov 20, 2017 0

answered on Nov 20, 2017 0

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Best PLab demo ideas for a large group?

pdhixenbaugh asked about 8 days ago

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Helium alternative

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mrw0116 asked about 11 days ago

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How do I assemble the mini-balloon kit?

asnow asked about 14 days ago

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What's happening at the 2017 Barnraising?

warren asked about 18 days ago

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How do I easily set up a Raspberry Pi SD card?

warren asked about 21 days ago

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What sessions would people like to have at the 2017 Barnraising?

warren asked about 26 days ago

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answered on Oct 27, 2017 2

answered on Oct 27, 2017 1

answered on Oct 27, 2017 1

answered on Oct 30, 2017 1

answered on Oct 30, 2017 2

answered on Oct 31, 2017 1

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How do I access the wiki?

partsandcrafts asked about 26 days ago

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Need your feedback on Tag pages

tommystyles asked about about 1 month ago

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answered on Nov 15, 2017 1

answered on Nov 15, 2017 0

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How big is the filter in the infragram DIY filter pack?

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robotfarms asked about about 1 month ago

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Has anyone used a RasPi camera in a DIY microscope?

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bmela asked about about 1 month ago

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What are good sources of cheap bulk giant mylar balloons?

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warren asked about about 1 month ago

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Is there an offline version of Mapknitter?

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stevie asked about 2 months ago

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How big are silica particles, in microns?

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warren asked about 2 months ago

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What should we do at LEAFFEST?

cfastie asked about 2 months ago

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answered on Sep 19, 2017 2

answered on Sep 19, 2017 1

answered on Sep 19, 2017 2

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How can I add credit for main photo on Wiki?

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Zengirl2 asked about 2 months ago

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What are some sources of new aerial imagery of Harvey damages?

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warren asked about 2 months ago

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answered on Sep 12, 2017 0

answered on Sep 13, 2017 0

answered on Sep 16, 2017 0

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How do I join a volunteer Disaster Response Team for flooding?

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warren asked about 2 months ago

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What is the best way to formalize connecting needs with offers?

bsugar asked about 3 months ago

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answered on Sep 08, 2017 0

answered on Sep 08, 2017 0

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How much do different oil pollution tests cost?

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warren asked about 3 months ago

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What does oil pollution mean for my health?

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warren asked about 3 months ago

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What could teenagers do to support Harvey response efforts?

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warren asked about 3 months ago

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How do I collect a sample for laboratory analysis?

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warren asked about 3 months ago

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How big are smoke particles, in microns?

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warren asked about 3 months ago

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Calibaration or switching scale?

jayjay70 asked about 3 months ago

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How To Make Time Lapse Spectrometer

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LightWaveResearch8000 asked about 4 months ago

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How do I install a bootloader on a Riffle data logger?

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warren asked about 5 months ago

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Assembly completed but the camera doesn't work.

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1987123 asked about 5 months ago

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Desktop Spectrometry Kit to arduino?

jjoll asked about 5 months ago

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How can we get rid of spam on the main PL page?

marlokeno asked about 5 months ago

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Can anyone help with weather station recommendations?

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stevie asked about 5 months ago

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Cheap, lightweight GoPro alternatives for aerial mapping?

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warren asked about 6 months ago

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answered on Jun 12, 2017 0

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How can real-time camera monitoring be set up?

cherylh asked about 6 months ago

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answered on May 16, 2017 0

answered on Jun 19, 2017 0

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What are the health effects related to fine particles of calcium carbonate?

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stevie asked about 7 months ago

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answered on May 12, 2017 0

answered on May 12, 2017 1

answered on May 16, 2017 0

answered on May 22, 2017 1

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Decibel meters for iPhones?

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warren asked about 7 months ago

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Is this government security warning on NOAA new?

marlokeno asked about 8 months ago

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Good guides on doing a photo survey of a site?

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warren asked about 8 months ago

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answered on Mar 14, 2017 0

answered on Mar 14, 2017 0

answered on Apr 10, 2017 0

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JDEPC-OV05 camera intelligent exposure

tim_spec asked about 9 months ago

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what causes spectral colors to be reversed?

vgoebel asked about 10 months ago

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Fraunhofer Lines at higher resolutions?

stef asked about 10 months ago

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How to get spectral data in excel or other formats

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suha asked about 10 months ago

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GoPro Hero HD first version- Making full spectrum( Removing IR filter)

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suman asked about 10 months ago

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Can you process multiple images at the same time?

JonathanM32 asked about 11 months ago

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orientation of slit vs that of diffraction grating

wlkwong asked about 11 months ago

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Video Infragram

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jfd asked about 11 months ago

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Ambient/Light Bulb Testing

idev247 asked about 12 months ago

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How do I make a video from a series of photos?

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warren asked about 12 months ago

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answered on Dec 05, 2016 0

answered on Dec 05, 2016 0

answered on Jul 23, 2017 0

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Spectral Workbench recording time?

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dhale2 asked about 12 months ago

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Calibration of spectra fails

Paul_P asked about 12 months ago

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Why copy calibration does not apply?

aelobo asked about 12 months ago

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Intensity for spectra too low?

chuynh451 asked about about 1 year ago

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Is there an iPhone app for foldable spectrometer?

CanfieldC asked about about 1 year ago

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Can you share a link to project documentation?

vwls asked about about 1 year ago

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Error on calibrating uploaded spectrum

sarahcm asked about about 1 year ago

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Can anyone help me troubleshoot my NDVI imagery?

abdul asked about about 1 year ago

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How to process images using a mobius with an IR lens?

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miguel_rosas asked about about 1 year ago

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lightweight air quality sensors for a weather balloon

glenc asked about about 1 year ago

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answered on Oct 12, 2016 0

answered on Jun 19, 2017 0

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how to delete my spectra on Spectral Workbench

redleon asked about about 1 year ago

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Can I upgrade a DIY spectrometer with a Raspberry Pi camera?

warren asked about about 1 year ago

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How can I reduce ambient light inside the Desktop Spectrometry Starter Kit?

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warren asked about about 1 year ago

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answered on Sep 20, 2016 0

answered on Sep 20, 2016 0

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What's the best way to archive/store a timelapse video?

warren asked about about 1 year ago

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answered on Sep 16, 2016 0

answered on Dec 08, 2016 0

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Has anyone used a timelapse camera in stream monitoring?

stevie asked about about 1 year ago

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Question: What is the Open Source Community's Take the MIT License?

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nshapiro asked about about 1 year ago

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Does the new Question feature work?

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warren asked about over 1 year ago

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How to rename a set on Spectral Workbench?

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AndrewJamesLaplante asked about over 1 year ago

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Question: How do I get the calibration user interface?

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PeterDH asked about over 1 year ago

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View these maps <a href='//mapknitter.org/profile/warren'>at MapKnitter.org &raquo;</a>

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