Re: [Talk-GB] Pigging potlach ...

2012-01-12 Thread Dave Stubbs
On 11 Jan 2012 22:08, Lester Caine les...@lsces.co.uk wrote:

 Lester Caine wrote:

 I know what areas of data I am working on.


 OK Just crashed it again ... but having done at least a couple of hours
work and saved MOST of it.

 So to log current state ...
 Flash area just went grey
 Bottom line has Transfering data from ecn.t0.tiles.virtualearth.net...
 Processors are quiet
 RAM at 35%
 Swap 0%

 Trying to close tab get
 This page is asking you to confirm that you want to leave - data you
have entered may not be saved and this leaves a track in the grey area.


Do you have multiple browser tabs open? There's a horrible flash bug on at
least 64 bit Linux that will happily freeze any and all flash instances
within your browser. The culprit is usually some stupid video advert in a
tab you're not even using. It seems to get more likely the more flash is
running.

Symptoms are all your flash areas going grey and unresponsive.

Only mitigation I found is use a separate browser for editing. If your
normal browser is Firefox, just fire up chrome for potlatch only to stop
the interference. I was actually using this in a non-potlatch context:
trying to watch f1 practice on iPlayer at the same time as surfing news
sites.

Dave
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Re: [Talk-GB] Pigging potlach ...

2012-01-12 Thread Lester Caine

Dave Stubbs wrote:


On 11 Jan 2012 22:08, Lester Caine les...@lsces.co.uk
mailto:les...@lsces.co.uk wrote:
 
  Lester Caine wrote:
 
  I know what areas of data I am working on.
 
 
  OK Just crashed it again ... but having done at least a couple of hours work
and saved MOST of it.
 
  So to log current state ...
  Flash area just went grey
  Bottom line has Transfering data from ecn.t0.tiles.virtualearth.net...
  Processors are quiet
  RAM at 35%
  Swap 0%
 
  Trying to close tab get
  This page is asking you to confirm that you want to leave - data you have
entered may not be saved and this leaves a track in the grey area.

Do you have multiple browser tabs open? There's a horrible flash bug on at least
64 bit Linux that will happily freeze any and all flash instances within your
browser. The culprit is usually some stupid video advert in a tab you're not
even using. It seems to get more likely the more flash is running.

Symptoms are all your flash areas going grey and unresponsive.

Only mitigation I found is use a separate browser for editing. If your normal
browser is Firefox, just fire up chrome for potlatch only to stop the
interference. I was actually using this in a non-potlatch context: trying to
watch f1 practice on iPlayer at the same time as surfing news sites.


OK I did have a lot less active last night ... and probably was looking up other 
data to cross check things at that point in the evening. I DID have flash 
disabled completely simply to get rid of the advertising crap, so I probably 
want seamonkey configured with that off again, and just use a firefox window for 
editing ;)


Thanks for the nudge ... exactly the sort of thing I was looking for!

--
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

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Re: [Talk-GB] Please do not use Code-Point Open, (postcode) data in OSM

2012-01-12 Thread Ed Avis
Michael Collinson mike@... writes:

OS data is currently not distributed under UK Open Government Licence
but their own license which then incorporates UK Open Government
Licence. Their own license includes a downstream attribution clause
which OGL does not.

Ah - I was going by http://data.gov.uk/dataset/os-code-point-open
which seems to indicate the OGL is used.  So that web page is not
quite correct?

CC-BY-SA technically forces map makers to attribute each and every
contributor to OSM, ODbL does not.

Is it at least possible to combine map data under ODbL with the
Code-Point Open data to make a 'map plus postcodes' data set?  I am
guessing that the answer is no, at least not if you want to distribute
that data.

ODbL does not require attribution but it might be revised in ODbL 1.1
to allow an attribution requirement to be added by downstream users.
Then it would be possible for users of ODbL-licenced maps to combine
them with other open data that has an attribution requirement,
although sadly such data could not be used to improve OSM itself.

(As well as this postcode data set, another example of geodata with
attribution requirement is the CommonMap project, a CC-BY licenced map
of the world, which was partly intended as a common upstream which
several map projects including OSM could take data from.)

--
Ed Avis e...@waniasset.com



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Re: [Talk-GB] Using Bing in hilly areas (was: GB License Change Readiness)

2012-01-12 Thread Jonathan Bennett
On 08/01/2012 13:49, Michael Collinson wrote:
 I find it very easy to replace them with much better since we now
 additionally have Bing for position and OS StreetView for names

On this one particular point, use Bing for positioning with caution in
coastal and hilly areas. The parts of Cornwall I've mapped (Polruan
being the biggest example) have shown that the Bing imagery is only
coarsely rectified. Where there are steep hills, the features on them
aren't positioned correctly.

I've found that OS StreetView matches my traces much closer in areas
like this, so use a combination of sources and some judgement.

-- 
Jonathan (Jonobennett)

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Re: [Talk-GB] Please do not use Code-Point Open, (postcode) data in OSM

2012-01-12 Thread Andrew
Michael Collinson mike@... writes:

 
 I regretfully have to relay that while the Ordnance Survey has no 
 objections to geodata derived in part from OS OpenData being released 
 under the Open Database License 1.0, this has to permanently exclude 
 Code-Point Open, (postcode) data.

Could you check http://wiki.openstreetmap.org/wiki/Import/Catalogue and make 
sure the information there is correct as you understand it?

--
Andrew


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Re: [Talk-GB] Please do not use Code-Point Open, (postcode) data in OSM

2012-01-12 Thread Michael Collinson

On 12/01/2012 13:41, Andrew wrote:

Michael Collinsonmike@...  writes:
   

I regretfully have to relay that while the Ordnance Survey has no
objections to geodata derived in part from OS OpenData being released
under the Open Database License 1.0, this has to permanently exclude
Code-Point Open, (postcode) data.
 

Could you check http://wiki.openstreetmap.org/wiki/Import/Catalogue and make
sure the information there is correct as you understand it?
   


Thanks Andrew. It was out of date. I have updated it and added to 
http://wiki.openstreetmap.org/wiki/Ordnance_Survey_Opendata#License


Mike


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