Re: [Qgis-user] Converting to shp to gpx. Doesn't work normal with "Save, as..."

[Laurence Béchet]

Hi Alex,

I often too have to transform gpx files to or from sh files and I never 
managed to make it work properly with qgis (sorry that's not very 
constructive, but that's a fact).


After reading some of the answers you got, I re-tested it and I still 
cannot create a file with qgis version 2.18.4 which can open with 
basecamp or mapsource, both refuse to open it. Notepad++ shows an xml 
file (sh file saved as a gpx). I don't know what is wrong. Happy to help 
and test further but i have no idea how.


My (quick and personal) workaround is to use dnrgps. It's a free little 
tool which does the trick.


Cheers
Laurence Béchet

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[Qgis-user] Last Y coordinate sometimes dropped on pasted geometries

[Martin Bain]

Hi group,
I have an intermittent problem, sometimes when I copy and paste a geometry the 
last Y coordinate of the pasted geometry is lost and replaced by zero.

I have seen it happen with points and polylines.  When pasting multiple objects 
the last Y coordinate of the each geometry is lost.  It can happen when pasting 
within one layer, between layers or into a new scratch layer.

All layers and the project have the same CRS (EPSG:28356).

Once it starts happening QGIS needs a restart.

Has anybody else experienced this?  Any ideas of the cause, or a fix other than 
a restart?

Using 2.18.4 on Win 7 32 bit.

Thanks,
Martin.

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[Qgis-user] Alternative labels on each iteration?

[Tobias Wendorff]

Hi there!

In ArcGIS, Mapnik and Mapserver it is possible to use alternative fields for 
labeling on each iteration. This makes it possible to use abbreviations when 
the full label does not fit in the map.

Is this also possible in QGIS? Perhaps even driven by Python?

ArcGIS has the nice feature to manually browse through each label variant for 
label editing.

Best regards,
Tobias 

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Re: [Qgis-user] Projection database

[Tudorache, Marian]

I found it.
It is in sqllite database qgis.db

Thanks,
Marian

From: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of 
Tudorache, Marian
Sent: March-15-17 6:08 PM
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Projection database

Hi everyone,

Can someone tell me where projections and reference coordinates system are 
stored in QGIS?

Thank you,
Marian


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Re: [Qgis-user] Coordinates in map units are different between ArcInfo and Qgis

[Tobias Wendorff]

I had a presesentation about this some years ago on INTERGEO fair. It was about 
nautic maps and how to use them with a compass (sailing from Europe to America).

I am from Germany, our "Norths" are identical, but on a trip from South to 
North America with a compass only would make lots of trouble.

Thanks for your ideas in this topic :)


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Von einem iPhone gesendet und wird daher Fehler enthalten…

Am 15.03.2017 um 23:19 schrieb "Tudorache, Marian" 
:

> Well some of our maps are not on True North.
> Each point on the map was transformed by applying a rotation equal to the 
> angle between the true north pole and magnetic north .
> 
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Re: [Qgis-user] Coordinates in map units are different between ArcInfo and Qgis

[Tudorache, Marian]

Well some of our maps are not on True North.
Each point on the map was transformed by applying a rotation equal to the angle 
between the true north pole and magnetic north .



-Original Message-
From: Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Tobias 
Wendorff
Sent: March-09-17 2:42 PM
To: Tudorache, Marian
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Coordinates in map units are different between ArcInfo 
and Qgis

Am Do, 9.03.2017, 19:33 schrieb Tudorache, Marian:
>
> It seems the reason why I get different x and y in ArcInfo is because
> I have to transform those coordinate based on magnetic declination.

What, a dynamic projection connected the Earth' magnetic declination?
I thought, I've already seen everything in GIS world :)

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[Qgis-user] Projection database

[Tudorache, Marian]

Hi everyone,

Can someone tell me where projections and reference coordinates system are 
stored in QGIS?

Thank you,
Marian


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electronic message, may contain privileged or confidential information and is 
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[QGIS-it-user] QGIS 2.18.4 alias nelle maschere di inserimento dati e relazioni

[Totò]

Salve a tutti,
ho realizzato delle maschere di inserimento dati (direttamente dalle
proprietà del layer) e ho utilizzato gli alias per meglio descrivere il nome
dei campi (al massimo due parole), noto che al riavvio del progetto NON
compaiono più i nomi dei campi nella maschera e per farle apparire devo
necessariamente ritornare nelle proprieta del layer e semplicemente
selezionare un qualsiasi campo, fatto ciò riappaiono.
stessa cosa accade per le relazioni cioè se metto una tabella in relazione
nella maschera di inserimento dati compare la tabella in modalità modulo ma
vuota.

sono due problemi molto fastidiosi, succede anche a voi?

saluti



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[Qgis-user] QGIS custom feature forms with python logic - passed in feature

[Jen Swiger]

Hello,

I hope I am asking this question in the right email list. I may ask in the
qgis stack exchange as well.

I am working off this example
https://nathanw.net/2011/09/05/qgis-tips-custom-feature-forms-with-python-logic/
and adjusting to meet my needs.

When the formOpen function is called, the dialog, layer, and feature is
passed in.

I want to edit the feature that is passed in but code like
mylayer.changeAttribute(myfeature.id(), 10, 1)
doesn't seem to be working because myfeature.id() returns 0.

What code should I be using instead to edit a field in the feature?

Thanks!
Jen
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Re: [Qgis-user] Converting to shp to gpx. Doesn't work normal with "Save as..."

[Micha Silver]

  
  


On 03/15/2017 06:37 PM, alex lopez
  wrote:


  

  

  

  

  Hi all,

  
  First of all, I am basic users. I am using Qgis
  2.12.3-Lyon.
  

I have one file shp together with 4 files (dbf, prj,
qpj, shx) with several points. I want to covert 

  

  

  


If there is no *.shp then you are missing the geometry. That would
be why you get an empty GPX.


  

  

  

  this one into a gpx file to use it in my garmin
GPS. So, I opened the shp file in Qgis and right
botton in the layer -> Save as -> 
Format:GPS 
GPX_EXTENSIONS_NS:ogr 
GPX_EXTENSIONS_NS_URL:http://osgeo.org/gdal  

  
  GPX_USE_EXTENSIONS:YES

FORCE_GPX_ROUTE:NO
  
  FORCE_GPX_TRACK:NO
  

It creates a new layer but with no information and when I
try to open this file with Garmin Basecamp it gives my an
unknown error.

  
  Could someone help me with that? Thanks in advance,

Alex
  
  
  
  
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-- 
Micha Silver
cell: +972-523-665918
  

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Re: [Qgis-user] Converting to shp to gpx. Doesn't work normal with "Save as..."

[Dr. Marco Lechner]

Hi Alex,

did you have at the resulting GPX file usiang a texteditor (e.g.
notepad++). While GPX is somehow xml it is quite simple to see if there
are any unusual things in it (or if the file is empty).

Marco

Am 15.03.2017 um 17:37 schrieb alex lopez:
> Hi all,
> 
> First of all, I am basic users. I am using Qgis 2.12.3-Lyon.
> 
> I have one file shp together with 4 files (dbf, prj, qpj, shx) with
> several points. I want to covert this one into a gpx file to use it in
> my garmin GPS. So, I opened the shp file in Qgis and right botton in the
> layer -> Save as ->
> Format:GPS
> GPX_EXTENSIONS_NS:ogr
> GPX_EXTENSIONS_NS_URL:http://osgeo.org/gdal  
> GPX_USE_EXTENSIONS:YES
> FORCE_GPX_ROUTE:NO
> FORCE_GPX_TRACK:NO
> 
> It creates a new layer but with no information and when I try to open
> this file with Garmin Basecamp it gives my an unknown error.
> 
> Could someone help me with that? Thanks in advance,
> Alex
> 
> 
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0xD733400E.asc
Description: application/pgp-keys


smime.p7s
Description: S/MIME Cryptographic Signature
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Re: [Qgis-user] Converting to shp to gpx. Doesn't work normal with "Save as..."

[Randal Hale]

I hate answers like the one I'm about to give - but you might want to 
upgrade to at least 2.14 or 2.18 - the "save as" to GPX works really 
well in those versions - and I use it with Garmin GPS units all the 
time. It seems like that at 2.12 you were still setting options in the 
"Save As" Dialog.



On 03/15/2017 12:37 PM, alex lopez wrote:

Hi all,

First of all, I am basic users. I am using Qgis 2.12.3-Lyon.

I have one file shp together with 4 files (dbf, prj, qpj, shx) with 
several points. I want to covert this one into a gpx file to use it in 
my garmin GPS. So, I opened the shp file in Qgis and right botton in 
the layer -> Save as ->

Format:GPS
GPX_EXTENSIONS_NS:ogr
GPX_EXTENSIONS_NS_URL:http://osgeo.org/gdal
GPX_USE_EXTENSIONS:YES
FORCE_GPX_ROUTE:NO
FORCE_GPX_TRACK:NO

It creates a new layer but with no information and when I try to open 
this file with Garmin Basecamp it gives my an unknown error.


Could someone help me with that? Thanks in advance,
Alex


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--
-
Randal Hale
North River Geographic Systems, Inc
http://www.northrivergeographic.com
423.653.3611 rjh...@northrivergeographic.com
twitter:rjhale

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[Qgis-user] Converting to shp to gpx. Doesn't work normal with "Save as..."

[alex lopez]

Hi all,

First of all, I am basic users. I am using Qgis 2.12.3-Lyon.

I have one file shp together with 4 files (dbf, prj, qpj, shx) with several
points. I want to covert this one into a gpx file to use it in my garmin
GPS. So, I opened the shp file in Qgis and right botton in the layer ->
Save as ->
Format:GPS
GPX_EXTENSIONS_NS:ogr
GPX_EXTENSIONS_NS_URL:http://osgeo.org/gdal
GPX_USE_EXTENSIONS:YES
FORCE_GPX_ROUTE:NO
FORCE_GPX_TRACK:NO

It creates a new layer but with no information and when I try to open this
file with Garmin Basecamp it gives my an unknown error.

Could someone help me with that? Thanks in advance,
Alex
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