[Qgis-user] Qgis-user Digest, Vol 76, Issue 73
Neil Trenk
TrenkN at co.rockland.ny.us
Mon Jun 25 07:10:10 PDT 2012
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Today's Topics:
1. Re: any ideas how to get data from attribute table out of
qgis (custard)
2. opencv with QGIS (chathura silva)
3. Re: clicking Project properties crashes qgis (j. z.)
4. Re: road detection in satellite maps (Giovanni Manghi)
5. Re: clicking Project properties crashes qgis (Giovanni Manghi)
6. Re: opencv with QGIS (Giovanni Manghi)
7. Re: OpenLayers plugin crashes QGIS (Giovanni Manghi)
8. Re: vector layer manipulation (Rudi Thiede)
9. Export/add geometry using project (Harish)
10. QGIS support for Microstation *.dgn files (Murali Krishna Gurram)
11. Re: QGIS support for Microstation *.dgn files (Zoltan Szecsei)
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Message: 1
Date: Mon, 25 Jun 2012 10:09:05 +0800 (WST)
From: custard <custard at westnet.com.au>
To: qgis-user <qgis-user at lists.osgeo.org>
Subject: Re: [Qgis-user] any ideas how to get data from attribute
table out of qgis
Message-ID:
<1773648275.5891771340590145431.JavaMail.root at zim-store03.web.westnet.com.au>
Content-Type: text/plain; charset=utf-8
Hi,
I've managed to pull a 103965 item shape file out on XP using Layers -> Save as and selecting CSV, and leaving everything else as default (which ment create attributes was unchecked). However, I don't have any calculated fields in that file.
This was on an aged toughbook running xp and QGIS 1.7.0 standalone.
If you were going to try the command line approch, then in the start menu in the QGIS folders there should be either MSYS or OSGEO. Either of these will start a command line shell that will include the QGIS bin folders in the path. You should then be able to use the command that Lee suggested.
Note that the form Lee gave assumes you have changed directory (cd) to folder that contains the offending file.
-ramon.
----- Original Message -----
From: "Giovanni Manghi" <giovanni.manghi at faunalia.pt>
To: "M.E.Dodd" <m.e.dodd at open.ac.uk>
Cc: qgis-user at lists.osgeo.org
Sent: Saturday, 23 June, 2012 6:56:29 PM GMT +08:00 Beijing / Chongqing / Hong Kong / Urumqi
Subject: Re: [Qgis-user] any ideas how to get data from attribute table out of qgis
> First the 'save as' .csv is indeed broken, infact I have never got it to work
> under windowsxp with any file of any size even though 'save as' works
> fine saving to other formats. Error message "Export to vector file failed. Error: creation of data source failed (OGR error:)"
tested again under win 7 and Linux and it works fine here
cheers
-- Giovanni --
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------------------------------
Message: 2
Date: Mon, 25 Jun 2012 10:13:00 +0600
From: chathura silva <chathurait at gmail.com>
To: qgis-user at lists.osgeo.org
Subject: [Qgis-user] opencv with QGIS
Message-ID:
<CAA+c9btoR=6LxxMn=N+g_qp_PNePGptaYrLon56mGMFoM0DPQg at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Is there any way to link OpenCV with QGIS?
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Message: 3
Date: Mon, 25 Jun 2012 08:31:30 +0200
From: "j. z." <zbudniewkowo at interia.pl>
To: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] clicking Project properties crashes qgis
Message-ID: <hcvwosavrttasohztfyx at qmnh>
Content-Type: text/plain; charset="UTF-8"
I'm on Win XP Professional. I don't find .qgis folder in my installation of 1.7 nor 1.8.
The same shapefiles crashing 1.7 and 1.8 work ok in 1.6 so I assume it's a software isssue.
"Giovanni Manghi" <giovanni.manghi at faunalia.pt> pisze:
> On Fri, 2012-06-22 at 11:38 +0200, j. z. wrote:
> > In 1.7 and 1.8 clicking 'Project properties' in menu or button in status bar causes Qgis to crash.
> > I have 1.6, 1.7 and 1.8 installed paralellly and 1.8 through osgeo4w and only 1.6 works properly.
> > Any idea what may be the cause?
>
> try backup and remove the .qgis folder and give it a try again.
>
> cheers
>
> -- Giovanni --
>
>
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Message: 4
Date: Mon, 25 Jun 2012 07:37:02 +0100
From: Giovanni Manghi <giovanni.manghi at faunalia.pt>
To: chathura silva <chathurait at gmail.com>
Cc: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] road detection in satellite maps
Message-ID: <1340606222.21927.3.camel at sibirica>
Content-Type: text/plain; charset="UTF-8"
On Sun, 2012-06-24 at 08:14 -0700, chathura silva wrote:
> Can we use QGIS in road detection of raster maps ?
>
> If can how can I do it?
have a look to the sextante plugin, you will access to tools like Orfeo
Toolbox, GRASS, etc.
cheers
-- Giovanni --
------------------------------
Message: 5
Date: Mon, 25 Jun 2012 07:38:17 +0100
From: Giovanni Manghi <giovanni.manghi at faunalia.pt>
To: "j. z." <zbudniewkowo at interia.pl>
Cc: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] clicking Project properties crashes qgis
Message-ID: <1340606297.21927.5.camel at sibirica>
Content-Type: text/plain; charset="UTF-8"
On Mon, 2012-06-25 at 08:31 +0200, j. z. wrote:
> I'm on Win XP Professional. I don't find .qgis folder in my installation of 1.7 nor 1.8.
> The same shapefiles crashing 1.7 and 1.8 work ok in 1.6 so I assume it's a software isssue.
under Vista/Seven it is in c:\user\yourusername, under XP should be in
"documents and settings".
cheers
-- Giovanni --
------------------------------
Message: 6
Date: Mon, 25 Jun 2012 07:39:18 +0100
From: Giovanni Manghi <giovanni.manghi at faunalia.pt>
To: chathura silva <chathurait at gmail.com>
Cc: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] opencv with QGIS
Message-ID: <1340606358.21927.6.camel at sibirica>
Content-Type: text/plain; charset="UTF-8"
On Mon, 2012-06-25 at 10:13 +0600, chathura silva wrote:
> Is there any way to link OpenCV with QGIS?
yes, see here
http://gis-lab.info/qa/dtclassifier-eng.html
cheers
-- Giovanni --
------------------------------
Message: 7
Date: Mon, 25 Jun 2012 07:46:50 +0100
From: Giovanni Manghi <giovanni.manghi at faunalia.pt>
To: Kurt Menke <kurt at birdseyeviewgis.com>
Cc: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] OpenLayers plugin crashes QGIS
Message-ID: <1340606810.21927.11.camel at sibirica>
Content-Type: text/plain; charset="UTF-8"
On Sat, 2012-06-23 at 08:45 -0600, Kurt Menke wrote:
> Hello,
>
> I have experienced consistent issues with the latest OpenLayers plugin
> with QGIS 1.7.4.
I have seen this before, anyway this does not happens on qgis 1.8, so
just upgrade, it is a much improved release anyway :)
cheers
-- Giovanni --
------------------------------
Message: 8
Date: Mon, 25 Jun 2012 09:12:48 +0200
From: Rudi Thiede <rudi at linfiniti.com>
To: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] vector layer manipulation
Message-ID:
<CAOsBn8Xc+yPHqJnwuEdueVRCtOqXbqzp1qKqOTFdBwz6LQJeqA at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Not sure if this is what you're looking for, but the simple way to extract
nodes for a given line in QGIS is via "Vector > Geometry Tools > Extract
nodes". That's just the point-and-click manual GUI way though, so if you
need to do this in batches then try Micha's solution
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Message: 9
Date: Mon, 25 Jun 2012 13:45:11 +0530
From: Harish <harry.om2000 at gmail.com>
To: Qgis-user at lists.osgeo.org
Subject: [Qgis-user] Export/add geometry using project
Message-ID:
<CAKCjEX8vF_oEA4=8ATWWfotwjO5rX9agyMDK5JWiuQzV=9EkvQ at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
The new feature in 1.8:
- Export/add geometry column tool can export info using layer CRS,
project CRS or ellipsoidal measurements
Not able to use with changing project CRS and On The Fly both, tried with
field calculator also with geometry. What is right way?
Regards
--
Harish Kumar Solanki, Assistant Professor
National Institute of Rural Development (NIRD),
(Ministry of Rural Development, Government of India)
Jaipur, INDIA- 302006
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Message: 10
Date: Mon, 25 Jun 2012 13:51:24 +0530
From: Murali Krishna Gurram <murali.krishna.gurram at gmail.com>
To: Qgis-user at lists.osgeo.org
Subject: [Qgis-user] QGIS support for Microstation *.dgn files
Message-ID:
<CADHoK7xou_M_HxeSsKTWVBVEvmXaGK2S2gVdkj=O6MpoSex8+A at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
HIi,
I was trying to open Microstation *.dgn files using QGIS. Though the *.dgn
file format is there in the list of vector file formats supported by QGIS,
it result in an error message showing that *.dgn is not a recognizable
format.
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Message: 11
Date: Mon, 25 Jun 2012 10:27:20 +0200
From: Zoltan Szecsei <zoltans at geograph.co.za>
To: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] QGIS support for Microstation *.dgn files
Message-ID: <4FE820E8.3080801 at geograph.co.za>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
On 2012/06/25 10:21, Murali Krishna Gurram wrote:
> HIi,
>
> I was trying to open Microstation *.dgn files using QGIS. Though the
> *.dgn file format is there in the list of vector file formats
> supported by QGIS, it result in an error message showing that *.dgn is
> not a recognizable format.
>
>
> _______________________________________________
> Qgis-user mailing list
> Qgis-user at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/qgis-user
Only DGN v7 (and older?) is supported.
--
===========================================
Zoltan Szecsei PrGISc [PGP0031]
Geograph (Pty) Ltd.
P.O. Box 7, Muizenberg 7950, South Africa.
65 Main Road, Muizenberg 7945
Western Cape, South Africa.
34? 6'16.35"S 18?28'5.62"E
Tel: +27-21-7884897 Mobile: +27-83-6004028
Fax: +27-86-6115323 www.geograph.co.za
===========================================
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End of Qgis-user Digest, Vol 76, Issue 73
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