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Welcome!

Chris Holmes-4
Hi everyone! Thanks for joining this list to discuss cloud optimized geotiffs (COGs). We've already got 68 people on the list. I don't anticipate it will be a super active list, but I believe there's a few things to discuss to evolve COGs a bit. 

I think I know a number of people on the list, but it'd be great if people could introduce themselves and share their interest in COG.

* I'm Chris (aka 'cholmes'), and I work 3 days a week at Planet, plus one day at Radiant.Earth, and both give me time to help advance COG. At Planet all our data is COG, and so we're interested in more tools that can consume it, and hopefully save everyone money by using COG to stream our data and not having to copy and store so much. Radiant has been supporting the COG standard, building tools like cog-map and tiles.rdnt.io. Radiant is building a platform for NGO's / developing world, and sees it resting on an infrastructure of COG's

*Using the list*

Feel free to post any questions, issues in working with COG's, best practices in working with the spec, or ideas of how to make COG's more useful. From the BoF at foss4g-na there's a few topics to continue discussion on - feel free to kick those off in their own thread, or I'll frame them in a bit.

*Next Steps*

I believe the next step is to create an area in github for us to work. I believe a github 'organization' will serve us best, to be able to group a few different projects. We'll port the spec on gdal's wiki to its own repo (cog-spec?), and then I'll move the website repo, and I think it would make sense to move the validator in to, as it's where the spec gets real. And perhaps do a repo on performance testing, with tools and results. And perhaps we can welcome other related tooling. 

Does anyone have any great ideas for the organization name? cog and cogeo are taken. The ideas I had were:

* cogeotiff
* co-geotiff
* cog-repo

Let me know if there are more ideas, and I'll send out a poll soon to decide. And also ping me if you're up to help create + organize the repos.

best regards,

Chris




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Re: Welcome!

Scott Arko-2
Hello Chris (and list),


As a quick introduction, I'm Scott and I'm the Deputy Director at the Alaska Satellite Facility.  We operate NASA's Distributed Active Archive Center (DAAC) for synthetic aperture radar (SAR) data, and have a reasonably large (6PB) archive of SAR data from a variety of sensors.  If you are familiar with SAR data you know it can be a bit tough for less-advanced users to climb that learning curve.  We see COGs as a way to help bridge the divide between a complicated data set and a growing global user community interested to see what they can do with SAR.  Some of the particular issues we have been working on or are interested in working on include,

- How to best organize our data in the cloud to give people easy access?
- How to reduce egress costs via technologies like COG that allow users to access just the the portion(s) of the files they want and not download the whole file.  Better yet, we want to enable users to access data directly (via interfaces like GDAL /vsis3) so they aren't really downloading anything to their machine, per se.  
- What does metadata look like in a COG world?  Can we embed the metadata we need in our COGs so they are a one stop shop, or do we need to include geoJSON or some other format of external file that will contain the metadata?
-  Finally, what tools can we develop to help our users (and other data providers) access their data in an intuitive and useful manner.   With a variety of high-cadence data sets available (like ESA's Sentinel constellations or Planet's doves) can the community come together to jointly develop advanced tools for time-series analysis, change analysis, disaster mitigation, etc? 

Hopefully some of these questions are already answered and we can learn from others on the list.  Personally, I see COGs as pushing the data provider community forward to make data more accessible to a global base of users who don't have advanced tools, or high-speed Internet, or data processing capability, but do have real-world problems they are trying to solve.  My little soap box there.  

Looking forward to the discussions,

Scott





On Mon, Jun 4, 2018 at 3:09 PM, Chris Holmes <[hidden email]> wrote:
Hi everyone! Thanks for joining this list to discuss cloud optimized geotiffs (COGs). We've already got 68 people on the list. I don't anticipate it will be a super active list, but I believe there's a few things to discuss to evolve COGs a bit. 

I think I know a number of people on the list, but it'd be great if people could introduce themselves and share their interest in COG.

* I'm Chris (aka 'cholmes'), and I work 3 days a week at Planet, plus one day at Radiant.Earth, and both give me time to help advance COG. At Planet all our data is COG, and so we're interested in more tools that can consume it, and hopefully save everyone money by using COG to stream our data and not having to copy and store so much. Radiant has been supporting the COG standard, building tools like cog-map and tiles.rdnt.io. Radiant is building a platform for NGO's / developing world, and sees it resting on an infrastructure of COG's

*Using the list*

Feel free to post any questions, issues in working with COG's, best practices in working with the spec, or ideas of how to make COG's more useful. From the BoF at foss4g-na there's a few topics to continue discussion on - feel free to kick those off in their own thread, or I'll frame them in a bit.

*Next Steps*

I believe the next step is to create an area in github for us to work. I believe a github 'organization' will serve us best, to be able to group a few different projects. We'll port the spec on gdal's wiki to its own repo (cog-spec?), and then I'll move the website repo, and I think it would make sense to move the validator in to, as it's where the spec gets real. And perhaps do a repo on performance testing, with tools and results. And perhaps we can welcome other related tooling. 

Does anyone have any great ideas for the organization name? cog and cogeo are taken. The ideas I had were:

* cogeotiff
* co-geotiff
* cog-repo

Let me know if there are more ideas, and I'll send out a poll soon to decide. And also ping me if you're up to help create + organize the repos.

best regards,

Chris




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University of Alaska Fairbanks

903 Koyukuk Drive
Fairbanks, AK 99775
Phone: (907) 474 - 5570
email:  [hidden email]
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Re: Welcome!

Stephan Meißl
In reply to this post by Chris Holmes-4
Hi Chris, Hi all,

as a brief introduction, I'm Stephan co-founder of EOX [1], a small
software development and consultancy company in Vienna, Austria fully
committed to Open Source Software and Open Standards. We're very
interested in COG and my colleague Fabian has added COG support in
geotiff.js [2] a JavaScript library to parse GeoTIFFs. A first app to
use this library is our COG-Explorer [3] that allows to visualize remote
COGs like the S3 Landsat-8 archive directly in the browser including
re-projection, band selection, or colour correction from 16bit values.

Looking forward to more COG related development,
Stephan


[1] https://eox.at
[2] https://geotiffjs.github.io
[3] https://geotiffjs.github.io/cog-explorer


On 06/05/2018 01:09 AM, Chris Holmes wrote:

> Hi everyone! Thanks for joining this list to discuss cloud
> optimized geotiffs (COGs). We've already got 68 people on the list. I
> don't anticipate it will be a super active list, but I believe there's a
> few things to discuss to evolve COGs a bit. 
>
> I think I know a number of people on the list, but it'd be great if
> people could introduce themselves and share their interest in COG.
>
> * I'm Chris (aka 'cholmes'), and I work 3 days a week at Planet, plus
> one day at Radiant.Earth, and both give me time to help advance COG. At
> Planet all our data is COG, and so we're interested in more tools that
> can consume it, and hopefully save everyone money by using COG to stream
> our data and not having to copy and store so much. Radiant has been
> supporting the COG standard, building tools like cog-map
> <http://www.cogeo.org/map/> and tiles.rdnt.io <http://tiles.rdnt.io>.
> Radiant is building a platform for NGO's / developing world, and sees it
> resting on an infrastructure of COG's
>
> *Using the list*
>
> Feel free to post any questions, issues in working with COG's, best
> practices in working with the spec, or ideas of how to make COG's more
> useful. From the BoF at foss4g-na
> <https://medium.com/radiant-earth-insights/cloud-optimized-geotiff-birds-of-a-feather-at-foss4g-na-def26572ae1b> there's a
> few topics to continue discussion on - feel free to kick those off in
> their own thread, or I'll frame them in a bit.
>
> *Next Steps*
>
> I believe the next step is to create an area in github for us to work. I
> believe a github 'organization
> <https://blog.github.com/2010-06-29-introducing-organizations/>' will
> serve us best, to be able to group a few different projects. We'll port
> the spec on gdal's
> <https://trac.osgeo.org/gdal/wiki/CloudOptimizedGeoTIFF> wiki to its own
> repo (cog-spec?), and then I'll move the website repo
> <https://github.com/cholmes/www.cogeo.org>, and I think it would make
> sense to move the validator <https://github.com/rouault/cog_validator>
> in to, as it's where the spec gets real. And perhaps do a repo on
> performance testing, with tools and results. And perhaps we can welcome
> other related tooling. 
>
> Does anyone have any great ideas for the organization name? cog and
> cogeo are taken. The ideas I had were:
>
> * cogeotiff
> * co-geotiff
> * cog-repo
>
> Let me know if there are more ideas, and I'll send out a poll soon to
> decide. And also ping me if you're up to help create + organize the repos.
>
> best regards,
>
> Chris


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Re: Welcome!

Flasher, Joe
In reply to this post by Chris Holmes-4
Hi all, I’m Joe Flasher and I’m the Open Geospatial Data Lead at Amazon Web Services. I’m interested in helping folks figure out how to best work with their data in the cloud and let others work with that data too (where appropriate). We’ve been involved at the infrastructure level for a number of the COG initiatives and I’m personally excited to see this community coalesce. Looking forward to seeing how we can continue to support the community moving forward.

Like they used to say on MXC about data copying…. DON’T GET DUPLICATED (https://www.youtube.com/watch?v=mdk4_9xm8XU)


Joe Flasher

Amazon Web Services – Open Data

cell: 720-213-6563

Thoughts on our interaction? Provide feedback here.


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Re: Welcome!

James Banting-2
In reply to this post by Chris Holmes-4
Hi everyone!

I'm James Banting and I'm a geospatial software developer / Remote Sensing scientist with SparkGeo. We are a geospatial consulting company base out of Prince George British Columbia.

I'm interested in COG since it's implementation allows users to grab a diverse range of data for a specific area while reducing the data transfer overhead. It opens up access to remote sensing for people who would have otherwise been unable to get the data they want because of poor internet connectivity.

My vote for a name is cogeotiff.

Cheers,
James

--
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>sparkgeo
1-403-467-4042

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Re: Welcome!

Norman Barker-2
Hi,

I am Norman Barker, and I am a software engineer at Mapbox. As part of the satellite team here at Mapbox we wrote https://github.com/mapbox/COGDumper, a Python3 utility to dump tiles out of a COG. We wrote this to explore the COG format.

I am interested in COG for reducing data transfer and management. I am also interested in comparing COGs to other formats.

I have no opinion on the name chosen. 

Norman

On Tue, Jun 5, 2018 at 8:19 AM, James Banting <[hidden email]> wrote:
Hi everyone!

I'm James Banting and I'm a geospatial software developer / Remote Sensing scientist with SparkGeo. We are a geospatial consulting company base out of Prince George British Columbia.

I'm interested in COG since it's implementation allows users to grab a diverse range of data for a specific area while reducing the data transfer overhead. It opens up access to remote sensing for people who would have otherwise been unable to get the data they want because of poor internet connectivity.

My vote for a name is cogeotiff.

Cheers,
James

--
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>sparkgeo
1-403-467-4042

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Re: Welcome!

Andrew Cutts
In reply to this post by Chris Holmes-4

Hi Everyone,

 

I am Andrew Cutts. I have been working with GIS and Satellite data for almost 20 years now. I am currently working as a freelancer, helping various companies work with large Geospatial datasets.  I worked for 10 years within Oil and Gas in some remote places where we could only access data if it was driven to the site. When I started work ordering data on multiple CD’s, then DVD’s then USB drive, then ftp etc. I am excited to be part of this community and I am really interested to see what people all over the world are doing and plan to do with Cloud Optimized Geotiff files.

 

Kind Regards

 

Andrew

 

 

Freelancer in EO, GIS, technical writing and Python

http://www.acgeospatial.co.uk

https://twitter.com/map_andrew

linkedinhttps://www.linkedin.com/in/andrewcutts

skype<a href="skype:acgeospatial?call">Skype me: acgeospatial

NEW Podcast! www.acgeospatial.co.uk/podcasts

 


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Re: Welcome!

Kurt Schwehr-2
In reply to this post by Chris Holmes-4
My intro:

I'm a software engineer at Google on Earth Engine, I'm on the Project Steering Committee for GDAL (and soon for PROJ), and I'm a geologist/geophysicst by degrees.  Most of my field experience is with Mars rovers and on ships doing geophysics, so my orbital remote sensing experience is best classified as "noob".  I once (back in 2011) tried to teach a research tools class for new graduate students doing ocean mapping.  That and my (painful) experience as a graduate student trying to use data drives a lot of what I do now. 

I'm generally looking for ways on how to help the entire community get more out of data.  I demoed handling ship tracking data in the cloud back in 2013 that was the start of Global Fishing Watch.  I see things like that as trying to do far more with less budget for infrastructure enabling really awesome research projects by small teams or single researchers.

I am looking forward to seeing the data and data processing ecosystem continue to grow and get easier to use.

So far with COG, I've worked through Even's validate script e.g. c5ea8e4f and written validate_cloud_optimized_geotiff_test.py.

-kurt

On Mon, Jun 4, 2018 at 4:09 PM, Chris Holmes <[hidden email]> wrote:
Hi everyone! Thanks for joining this list to discuss cloud optimized geotiffs (COGs). We've already got 68 people on the list. I don't anticipate it will be a super active list, but I believe there's a few things to discuss to evolve COGs a bit. 

I think I know a number of people on the list, but it'd be great if people could introduce themselves and share their interest in COG.

* I'm Chris (aka 'cholmes'), and I work 3 days a week at Planet, plus one day at Radiant.Earth, and both give me time to help advance COG. At Planet all our data is COG, and so we're interested in more tools that can consume it, and hopefully save everyone money by using COG to stream our data and not having to copy and store so much. Radiant has been supporting the COG standard, building tools like cog-map and tiles.rdnt.io. Radiant is building a platform for NGO's / developing world, and sees it resting on an infrastructure of COG's

*Using the list*

Feel free to post any questions, issues in working with COG's, best practices in working with the spec, or ideas of how to make COG's more useful. From the BoF at foss4g-na there's a few topics to continue discussion on - feel free to kick those off in their own thread, or I'll frame them in a bit.

*Next Steps*

I believe the next step is to create an area in github for us to work. I believe a github 'organization' will serve us best, to be able to group a few different projects. We'll port the spec on gdal's wiki to its own repo (cog-spec?), and then I'll move the website repo, and I think it would make sense to move the validator in to, as it's where the spec gets real. And perhaps do a repo on performance testing, with tools and results. And perhaps we can welcome other related tooling. 

Does anyone have any great ideas for the organization name? cog and cogeo are taken. The ideas I had were:

* cogeotiff
* co-geotiff
* cog-repo

Let me know if there are more ideas, and I'll send out a poll soon to decide. And also ping me if you're up to help create + organize the repos.

best regards,

Chris




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Re: Welcome!

Deschamps, Benjamin (AAFC/AAC)
In reply to this post by Chris Holmes-4

Hi everyone,

 

My name is Benjamin. I work with the Canadian Ice Service (Environement and Climate Change Canada). The CIS moves, processes (and consumes) more than 120,000 earth observation images from more than a dozen sensor every year as part of operational workflows (ice, iceberg and marine pollution monitoring / forecasting), so my interest is in looking ahead to doing a larger part of that processing in the cloud, or directly from the source (with the caveat that we are interested primarily in near-real-time products). Current estimates of the upcoming RADARSAT Constellation Mission show that ECCC end-users could receive (and process/ingest) up to 240GB of data per satellite downlink (every ~32 minutes). We are investigating how we could use the VSI interface to process these images (or subsets of them) directly from the (remote) source into (local) memory. Mostly I’m here to follow the conversation and any interesting developments.

 

Cheers,

 

Benjamin Deschamps

Physical Sciences Specialist

Canadian Ice Service, Meteorological Service of Canada
Environment and Climate Change Canada / Government of Canada
[hidden email] / Tel: 613-943-4293

Spécialiste des sciences physiques

Service Canadien des Glaces, Service Météorologique du Canada,
Environnement et Changement climatique Canada / Gouvernement du Canada
[hidden email] / Tél. : 613-943-4293

 


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Re: Welcome!

Seth Fitzsimmons
In reply to this post by Chris Holmes-4
Hello!

I'm Seth. I work alongside Chris as a Technical Fellow at Radiant.Earth, initially focused on tooling and evangelism for COG and STAC.

I also run Pacific Atlas, a small software consultancy in Bend, Oregon which focuses on large-scale geospatial analytics (primarily OpenStreetMap at present), raster data pipelines (i.e. COG + STAC), and humanitarian application of geospatial technology. More specifically and right now, that means:

* OSMesa (https://github.com/azavea/osmesa) -- this can be considered the OSM complement to GeoTrellis in some ways
* marblecutter (https://github.com/mojodna/marblecutter) -- the culmination of several years of raster tiling experiments with GDAL/VSI, rasterio, and cloud infrastructure tiles.rdnt.io uses this under the hood.
* OpenAerialMap (https://openaerialmap.org) -- this takes great advantage of COG as both a common interchange format and to facilitate dynamic source previews. we're currently looking at embracing STAC wholeheartedly
* Portable OpenStreetMap (http://posm.io/) -- the full OSM stack on portable servers, including drone imagery processing w/ OpenDroneMap and imagery hosting

seth 

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Re: Welcome!

Allan Doyle-2
In reply to this post by Chris Holmes-4


On Jun 4, 2018, at 7:09 PM, Chris Holmes <[hidden email]> wrote:

Hi everyone! Thanks for joining this list to discuss cloud optimized geotiffs (COGs). We've already got 68 people on the list. I don't anticipate it will be a super active list, but I believe there's a few things to discuss to evolve COGs a bit. 

I think I know a number of people on the list, but it'd be great if people could introduce themselves and share their interest in COG.


My interest in COG is as a member of the NASA ESDIS Standards Office (ESO) [1]. One thing we do is watch for emerging standards that look like they will have a lot of community support. There's a lot of interest and activity in moving data and analytics to the cloud within ESDIS so the ESO is keeping an eye out for interesting developments. I've started a wiki page [2] to track things at a very high level.

Allan

[2] https://wiki.earthdata.nasa.gov/display/ESO/ESO+Cloud+Analytics+Notepad


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Re: Welcome!

Frederico Liporace
In reply to this post by Chris Holmes-4
Hi,

I'm Frederico Liporace, CTO of AMS Kepler. We develop the ground system software used by INPE (Instituto Nacional de Pesquisas
Espaciais) to record, process and disseminate data from CBERS EO mission satellites and other missions received by INPE
ground stations such as Landsat.

My interest in COG began when we started "CBERS on AWS", which is creating, with support from AWS,
a public CBERS dataset following the same concept of Landsat and Sentinel datasets. All the scenes
are converted to COG as part of the ingestion process. Info about the dataset is available in:

https://registry.opendata.aws/cbers/

Fred

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Re: Welcome!

Zachary Flamig
Hi,

I'm Zac Flamig, postdoctoral scholar at the University of Chicago. I have a lot of simulated data that I produce into COGs to make it easy to run on-demand tiling infrastructure for web mapping. For example, the maps at http://flashflood.io/ are produced using this technique. 

Cheers,
Zac


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Re: Welcome!

Vincent Sarago
In reply to this post by Chris Holmes-4
Bonjour, 

I am Vincent Sarago, and I am a member of the Mapbox Satellite team. I’m also the creator of RemotePixel.ca website. Through my time working on remotepixel projects and now at Mapbox, data access and cloud processing has always been a subject of interest to me.

Here are some stuff I wrote:


I’m really looking forward to see how the community can work together to define/design the future of COG via specification and tools. 

Regards,

Vincent 

Le 4 juin 2018 à 19:09, Chris Holmes <[hidden email]> a écrit :

Hi everyone! Thanks for joining this list to discuss cloud optimized geotiffs (COGs). We've already got 68 people on the list. I don't anticipate it will be a super active list, but I believe there's a few things to discuss to evolve COGs a bit. 

I think I know a number of people on the list, but it'd be great if people could introduce themselves and share their interest in COG.

* I'm Chris (aka 'cholmes'), and I work 3 days a week at Planet, plus one day at Radiant.Earth, and both give me time to help advance COG. At Planet all our data is COG, and so we're interested in more tools that can consume it, and hopefully save everyone money by using COG to stream our data and not having to copy and store so much. Radiant has been supporting the COG standard, building tools like cog-map and tiles.rdnt.io. Radiant is building a platform for NGO's / developing world, and sees it resting on an infrastructure of COG's

*Using the list*

Feel free to post any questions, issues in working with COG's, best practices in working with the spec, or ideas of how to make COG's more useful. From the BoF at foss4g-na there's a few topics to continue discussion on - feel free to kick those off in their own thread, or I'll frame them in a bit.

*Next Steps*

I believe the next step is to create an area in github for us to work. I believe a github 'organization' will serve us best, to be able to group a few different projects. We'll port the spec on gdal's wiki to its own repo (cog-spec?), and then I'll move the website repo, and I think it would make sense to move the validator in to, as it's where the spec gets real. And perhaps do a repo on performance testing, with tools and results. And perhaps we can welcome other related tooling. 

Does anyone have any great ideas for the organization name? cog and cogeo are taken. The ideas I had were:

* cogeotiff
* co-geotiff
* cog-repo

Let me know if there are more ideas, and I'll send out a poll soon to decide. And also ping me if you're up to help create + organize the repos.

best regards,

Chris



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Re: Welcome!

Daniel Dufour
Hi everyone.  I'm Daniel Dufour.  I work on geotiff.io and geoblaze (geoblaze.io).  My interest is in both visualizing COGs and running arbitrary calculations on them.  For example, how do I get the sum of pixels within a user-drawn geometry?

Thank you and I'm excited for the future!

On Mon, Jun 11, 2018 at 9:31 AM, Vincent Sarago <[hidden email]> wrote:
Bonjour, 

I am Vincent Sarago, and I am a member of the Mapbox Satellite team. I’m also the creator of RemotePixel.ca website. Through my time working on remotepixel projects and now at Mapbox, data access and cloud processing has always been a subject of interest to me.

Here are some stuff I wrote:


I’m really looking forward to see how the community can work together to define/design the future of COG via specification and tools. 

Regards,

Vincent 

Le 4 juin 2018 à 19:09, Chris Holmes <[hidden email]> a écrit :

Hi everyone! Thanks for joining this list to discuss cloud optimized geotiffs (COGs). We've already got 68 people on the list. I don't anticipate it will be a super active list, but I believe there's a few things to discuss to evolve COGs a bit. 

I think I know a number of people on the list, but it'd be great if people could introduce themselves and share their interest in COG.

* I'm Chris (aka 'cholmes'), and I work 3 days a week at Planet, plus one day at Radiant.Earth, and both give me time to help advance COG. At Planet all our data is COG, and so we're interested in more tools that can consume it, and hopefully save everyone money by using COG to stream our data and not having to copy and store so much. Radiant has been supporting the COG standard, building tools like cog-map and tiles.rdnt.io. Radiant is building a platform for NGO's / developing world, and sees it resting on an infrastructure of COG's

*Using the list*

Feel free to post any questions, issues in working with COG's, best practices in working with the spec, or ideas of how to make COG's more useful. From the BoF at foss4g-na there's a few topics to continue discussion on - feel free to kick those off in their own thread, or I'll frame them in a bit.

*Next Steps*

I believe the next step is to create an area in github for us to work. I believe a github 'organization' will serve us best, to be able to group a few different projects. We'll port the spec on gdal's wiki to its own repo (cog-spec?), and then I'll move the website repo, and I think it would make sense to move the validator in to, as it's where the spec gets real. And perhaps do a repo on performance testing, with tools and results. And perhaps we can welcome other related tooling. 

Does anyone have any great ideas for the organization name? cog and cogeo are taken. The ideas I had were:

* cogeotiff
* co-geotiff
* cog-repo

Let me know if there are more ideas, and I'll send out a poll soon to decide. And also ping me if you're up to help create + organize the repos.

best regards,

Chris



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