[OSGeo-Discuss] Fwd: Compare linestrings in postgres

2017-02-08 Thread Karamanlis Konstantinos 
Hi to eveyrone,

my name is Konstantinos and I am new both in the mailing list and postgis.
My field is electrical engineering and currently  I m working on modelling
of power networks. A sugnificant part of my work deals with spatial data. I
have a question concerning an issue (explain it below) and would like to
ask for your opinion.  The processing is done in 2 database from which I
extract the following part of grids:




Both pictures illustrate the same object. The blue  is considered to be the
valid one, while the green contains missing data. Therefore my aim is to
compare the geometries of the lines of both grids and find similarities.
For example the lines of the third image can be considers as identical and
hence tha blue data can be copyed to the green. To mention that both
databases have column with the geometries of the lines. I am running the
following:

create index geom_1_idx ON table1 USING GIST (geometry_1);
select table1_id, table2_id  from table1 t1, table2 t2
  where (select st_DWithin(t1.geometry_2 , t2.geometry_2,
units_of_srid) = true)


 I used spatial indexing according to your guidelines (
http://revenant.ca/www/postgis/workshop/indexing.html). As far I have
understood by this code, I compare the bounding boxes of the lines and if
the distance between the boxes is not higher than "units_of_srid", then the
two geometries are considered identical.

My first question is if it s right what I wrote. How can I improve this in
order not to miss "identical" lines?

Thank you in advance and for your understanding.
Looking forward for your comments and corrections.

Kind regards,

Konstantinos
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[OSGeo-Discuss] OpenCitySmart

2017-02-08 Thread Hogan, Patrick (ARC-PX) 
Dear OSGeo,

The Open Source Geospatial approach is the essential 'cooking' method 
for any master chef interested in sustainable world-class cuisine. 

An OSGeo OpenCitySmart app could well serve as a seed crystal 
to engage cities in collectively advancing urban management capabilities, 
needs that are essentially the same for every other city on the planet.

Affluent cities could fund development of capabilities 
that would directly benefit other 'less endowed' cities around the world. 
https://wiki.osgeo.org/wiki/Opencitysmart

The DelBianco Foundation of Florence Italy is funding development of 
OpenCitySmart.
The premier release will take place next month in Florence, on March 12-13. 
All are welcome! www.lifebeyondtourism.org/evento/991/

The presentation:
https://docs.google.com/presentation/d/1VEPkjJaa2AdcWA6_15CuInFMxaSaxI3yvDUeTFPw6xc/

The city of Springfield Oregon, Kodiak Alaska, and New York City are engaged in 
testing. 
Additional support is coming from ESA, Trilogis, Sinergise, Solenix and 
TrilliumLearning, as well as
Politecnico di Milano at Como, thanks to Prof Maria Brovelli and her graduate 
students.
And GODAN is also moving in this direction! www.godan.info

-Patrick
 patrick.ho...@nasa.gov
 Project Manager
 NASA-ESA WorldWind
 (650) 604-5656 (o)
 (650) 269-2788 (c) 
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Re: [OSGeo-Discuss] Hyperconverged (Is this another way of saying open architecture?)

2017-02-08 Thread Julien Moquet 
Hi,

This is not the use of this mailing list !

Even though I think you're mixed up.
There is no actual link between them. But open mindness is a good way to
share new ideas, like hyperconverged architectures.

Regards,
Julien.

2017-02-07 19:29 GMT+01:00 Basques, Bob (CI-StPaul) <
bob.basq...@ci.stpaul.mn.us>:

> All,
>
> Subject says it all.  Just reading about Hyperconverged infrastructure,
> and had the thought that Open Architecture (along with Open Software) could
> be labelled as “Hyperconverged”.  I’m I right/wrong/mixed up??
>
> Thoughts?
>
> bobb
>
>
>
>
> *You assist an evil system most effectively by obeying its orders and
> decrees. An evil system never deserves such allegiance. Allegiance to it
> means partaking of the evil. A good person will resist an evil system with
> his or her whole soul.*
> *  ~ Mahatma Gandhi*
>
>
>
>
> ___
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Re: [OSGeo-Discuss] Could we make OSGeo and OSGeo-Live available as remote desktops from the cloud?

2017-02-08 Thread Cameron Shorter 
Jáchym, Jeff, thanks for reminding us of gis.lab. Martin Landa and Ivana 
Mincik, I'd be interested to hear your thoughts on collaboration.


Doug, I assume you already know of http://live.osgeo.org and you might 
want to watch the osgeolive mailing list as we discuss this. 
https://lists.osgeo.org/mailman/listinfo/live-demo


Warm regards, Cameron

On 7/2/17 1:56 am, Jeff McKenna wrote:

web: http://web.gislab.io/

mailing list: https://lists.osgeo.org/cgi-bin/mailman/listinfo/gis.lab


-jeff 

On 7/2/17 1:38 am, Newcomb, Doug wrote:

I'm interested. Link to website?

Doug

On Sun, Feb 5, 2017 at 3:11 PM, Jáchym Čepický 
mailto:jachym.cepi...@gmail.com>> wrote:


Hi Cameron,

this is exactly what GIS.Lab project is about - booting from the
network, shared resources...

Martin Landa and Ivana Mincik (cced) could tell more

Jachym



Dne 3.2.2017 v 22:14 Cameron Shorter napsal(a):

Does anyone have experience or suggestions in getting OSGeo
packages
(ideally OSGeo-Live) working as a remote desktop from a cloud
platform?

As per Chris Barnett's emails, the FOSS4G 2017 would like to
get it
working for the global FOSS4G.


On 3/2/17 2:38 am, Chris Barnett wrote:

OSGeo-Live USB sticks will be available to [FOSS4G 2017]
workshop
participants, but we’d also like to make cloud-based instances
available via remote desktop. I’ve run into a couple of
technical
issues with this and think it would be very useful to draw
on your
collective knowledge and experience. What would be the
best/most
appropriate way to go about this?

On 4/2/17 4:08 am, Chris Barnett wrote:

I’m really just at the phase of ascertaining feasibility.
My attempt
to import the OSGeo Live VM to AWS failed because the AWS
import
process didn’t support Lubuntu. I think that I probably
can get it to
work on other cloud hosts, but I haven’t had a chance to
test yet. For
remote access to the desktop I’ve been using xrdp and
tigervnc. This
also looks like an interesting option:
http://guacamole.incubator.apache.org/
, as it allows
remote access via
the browser.

I think it would be fantastic if a cloud version could be
reused
beyond FOSS4G. Something like a docker image could be a
nice solution,
as it would be portable across many cloud providers and
could also be
installed locally.


On 3/2/17 6:25 am, Cameron Shorter wrote:


With regards to getting OSGeo-Live working in the cloud, I
think that
would be an excellent goal to work on. Back in 2009 some
people did
actually get OSGeo-Live working on one of the early cloud
platforms
(called click2try which is now out of business).
https://wiki.osgeo.org/wiki/FOSS4G_2009_Press_Release_35



-- 
Jachym Cepicky

e-mail: jachym.cepi...@gmail.com 
twitter: @jachymc

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--
Doug Newcomb
USFWS
551F Pylon Dr
Raleigh, NC
919-856-4520 ext. 14 doug_newc...@fws.gov 
-
The opinions I express are my own and are not representative of the 
official policy of the U.S.Fish and Wildlife Service or Dept. of the 
Interior.   Life is too short for undocumented, proprietary data formats.
*/NOTE: This email correspondence and any attachments to and from this 
sender is subject to the Freedom of Information Act (FOIA) and may be 
disclosed to third parties./*​


--
Cameron Shorter
M +61 419 142 254

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Re: [OSGeo-Discuss] who would be interested in a sponsorship benefits hangout?

2017-02-08 Thread Jody Garnett 
I am reaching out to prior sponsors, if anyone else has event sponsors to
invite here is an example email for inspiration:

*:*


*I am contact OSGeo sponsors for 2017 including . I would like to
draw your attention to the recently published Sponsorship Opportunities
 for 2017 blog post. **Your
last sponsorship was provided October 2015 and was showcased for the
duration of 2016. We would like to ask if you are interested in continuing
your sponsorship arrangement with OSGeo?*

*There is a google hangout for Feb 20th to review the OSGeo Sponsor Package

and
adjust what we can offer based on your ideas and feedback. I hope you can
attend*.


Depending on the answer to this email I have invited them to the google
calendar invite.
--
Jody Garnett

--
Jody Garnett

On 7 February 2017 at 18:11, Jody Garnett  wrote:

> Thanks everyone on this thread who stepped up. It seems the earliest
> everyone is available is Feb 20th.
>
> How does the https://www.timeanddate.com/worldclock/meetingdetails.
> html?year=2017&month=2&day=20&hour=14&min=0&sec=0&p1=256&p2=
> 43&p3=195&p4=235 sound?
>
> I will send out a meeting invite with the above time and we can move it as
> required.
>
>
> --
> Jody Garnett
>
> On 30 January 2017 at 14:36, Jody Garnett  wrote:
>
>> I have been fielding questions from potential sponsors around the
>> benefits associated with sponsoring OSGeo (foundation/local chapters /
>> events/ initiatives ).
>>
>> Who is available interested/available for a hangout with potential
>> sponsors? (I would like to have rep from foss4g and foss4g-e attend if they
>> are available).
>> --
>> Jody Garnett
>>
>
>
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