Re: [Qgis-user] red line is gone

[Jake Maier]

From: David J. Bakeman [mailto:dbake...@comcast.net] 
Sent: Tuesday, November 20, 2012 6:53 PM
To: Jake Maier
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] red line is gone

 

On 11/20/2012 06:58 AM, Jake Maier wrote: 

Hi

I exited the program and re-started it, which did the trick

The line is gone.

This might of happened:  If one of your shapefiles contained lines and you
accidentally selected a line with the info tool it would stay displayed even
after you turn that layer off.  You have to turn off the info box and select
a different tool for the line to go away.  That's why it went away when you
exited the program.



Jake

David,

I think you are right, because I was editing a shapefile, and before that I
played around with the info tool.
Thanks, I'll know next time when something like this happens
J

 

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Re: [Qgis-user] red line is gone

[David J. Bakeman]

  
  
On 11/20/2012 06:58 AM, Jake Maier wrote:

  
  
  
  
Hi
I exited the program and re-started it,
  which did the trick
The line is gone.
  

This might of happened:  If one of your shapefiles contained lines
and you accidentally selected a line with the info tool it would
stay displayed even after you turn that layer off.  You have to turn
off the info box and select a different tool for the line to go
away.  That's why it went away when you exited the program.

  

Jake
  
  

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Re: [Qgis-user] red line from nowhere

[Johan Nilsson]

I don't know, but have just tried to use GRASS plugin, and there when you
chosen a mapset-extent, that area have a red rectangle around the chosen
area?


2012/11/20 Jake Maier 

> Hi
>
> All of a sudden a thin red line appeared in a project in qgis.  I have no
> idea what I did to get the line, but now I can’t get rid of it anymore. I
> deselected all layers still the line remains. It is a simple project with a
> few jgp air photos (all deselected) and a few shape files (also deselected)
> but the red line remains. Can anyone please tell me what it is and how to
> get rid of it again.
>
> Thanks for any help 
>
> Jake
>
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>
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Re: [Qgis-user] Where is R in QGIS Sextante

[simbamangu]

Could you share the code here or as a page on the  QGIS wiki how-tos
  ?



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[Qgis-user] red line is gone

[Jake Maier]

Hi

I exited the program and re-started it, which did the trick

The line is gone.

Jake

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[Qgis-user] red line from nowhere

[Jake Maier]

Hi

All of a sudden a thin red line appeared in a project in qgis.  I have no
idea what I did to get the line, but now I can't get rid of it anymore. I
deselected all layers still the line remains. It is a simple project with a
few jgp air photos (all deselected) and a few shape files (also deselected)
but the red line remains. Can anyone please tell me what it is and how to
get rid of it again.

Thanks for any help 

Jake

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Re: [Qgis-user] qgis and Large Format Print

[HAUBOURG]

Yes, 
I created an A0 map with master in august and had systematic crash if dpi was > 
250 dpi. I had to set raster export to keep labels and some rasters not 
exported. I Also had to downsize A0 to A1 to reduce final size. I used 
afterward acrobat reader capacities to warp A1 to A0. But final rendering is 
not good on paper. 
I'm urrently  working on creating a shared project to reproduce thoses crashes, 
with free datas. 
Régis
-Message d'origine-
De : qgis-user-boun...@lists.osgeo.org 
[mailto:qgis-user-boun...@lists.osgeo.org] De la part de Ramon Andiñach
Envoyé : mardi 20 novembre 2012 11:57
À : qgis-user User
Objet : Re: [Qgis-user] qgis and Large Format Print


On 17/11/2012, at 20:31 , Paolo Cavallini wrote:

> Il 16/11/2012 17:04, Marco Hugentobler ha scritto:
>> I just printed a tiff raster layer to A0 pdf with 600 dpi and with a 
>> 32bit 1.8 qgis.exe on windows. Works without problems.
>> Could it be people who encountered problems are using 1.7.4 or older 
>> (there was a memory leak fixed before 1.8) / are printing 'as raster' / 
>> exporting to image?
> 
> Hi all.
> I think the first step is to make the problem replicable: could anyone 
> share a project and data that consistently make QGIS crash on 32 bit?
> Thanks.

Out of curiousity, has anyone has anyone had a repeatable crash for this?

(I've tried, and the best I can manage is an "I'm aborting" message, but no 
crash).

-ramon.
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Re: [Qgis-user] Changes in table attribute causes "Invalid Field Index" error when trying to save

[Andre Joost]

Am 20.11.12 11:47, schrieb Alexandre Neto:

Can anyone confirm me this error?



Confirmed with current master.

HTH,
André Joost


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Re: [Qgis-user] MINSCALE, MAXSCALE WMS

[Sylvia Preuß]

Thank you very much for your explanation and the link! Now I understand.

-Original Message-
From: qgis-user-boun...@lists.osgeo.org
[mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Jürgen E. Fischer
Sent: Tuesday, November 20, 2012 11:33 AM
To: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] MINSCALE, MAXSCALE WMS

Moin Sylvia,

On Tue, 20. Nov 2012 at 11:12:58 +0100, Sylvia Preuß wrote:
>in my webmapservice (WMS *.map) I have set MINSCALEDENOM 5000 and
>MAXSCALEDENOM 5 in the layer section. Now I added this WMS-layer in
>qgis and the range is 1: til 1:6 instead of 1:5000 til 1:5.
I
>testet other WMS-services and it's always a similar behavior. It's not
>always times 1,3. but close. Has anybody experienced the same or
knows
>a way out?

The scale you see in QGIS is the scale on screen based on the display's
resolution.  The scale the WMS calculates is based on a different fixed
"artificial" resolution.   Therefore the scale QGIS shows is not the
scale the WMS calculates when figuring out what to render.

As neither the scale nor the resolution are specified in the WMS request,
there's not much we can do.   QGIS server was extended to support a
non-standard DPI parameter to solve that.

See also: http://hub.qgis.org/issues/6430


Jürgen 

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Re: [Qgis-user] qgis and Large Format Print

[Ramon Andiñach]

On 17/11/2012, at 20:31 , Paolo Cavallini wrote:

> Il 16/11/2012 17:04, Marco Hugentobler ha scritto:
>> I just printed a tiff raster layer to A0 pdf with 600 dpi and with a 32bit 
>> 1.8
>> qgis.exe on windows. Works without problems.
>> Could it be people who encountered problems are using 1.7.4 or older (there 
>> was a
>> memory leak fixed before 1.8) / are printing 'as raster' / exporting to 
>> image?
> 
> Hi all.
> I think the first step is to make the problem replicable: could anyone share a
> project and data that consistently make QGIS crash on 32 bit?
> Thanks.

Out of curiousity, has anyone has anyone had a repeatable crash for this?

(I've tried, and the best I can manage is an "I'm aborting" message, but no 
crash).

-ramon.
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Re: [Qgis-user] qgis and Large Format Print

[haubourg]

Paolo Cavallini wrote
> I think the first step is to make the problem replicable: could anyone
> share a
> project and data that consistently make QGIS crash on 32 bit?
> Thanks.

Hi, I'm on it... but.. Impossible to export pdf as raster in nightly build !
pdf is exported with an empty frame.. Is somebody working on it? 
Régis



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[Qgis-user] Changes in table attribute causes "Invalid Field Index" error when trying to save

[Alexandre Neto]

Can anyone confirm me this error?

I already created a ticket for it: http://hub.qgis.org/issues/6735


I'm using, QGIS 1.8 6416f38, in a Windows Vista 32bit Machine. Changes in
table attribute causes "Invalid Field Index" error when trying to save.

The error occurs doing the following steps:
- Open editing;
- Create new field; # Ups... not the field type I wanted
- DO NOT SAVE;
- Erase the same field;
- Save edition.

QGIS is enable to save the changes trowing the following error:

Could not commit changes to layer teste2

  Errors: ERROR: 1 attribute(s) not deleted.
  SUCCESS: 1 attribute(s) added.
  SUCCESS: 1 attribute value(s) changed.

  Provider errors:
  OGR error deleting field 1: Invalid field index

The error only occurs when deleting a recent created fields.

After that, the shapefile index seems to be messed up and data edited in
new fields may keep throwing errors, or even be lost.

I haven't tried in a Linux machine.

WORKAROUND: Always save editing immediately after creating a new field.
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Re: [Qgis-user] MINSCALE, MAXSCALE WMS

[Jürgen E . Fischer]

Moin Sylvia,

On Tue, 20. Nov 2012 at 11:12:58 +0100, Sylvia Preuß wrote:
>in my webmapservice (WMS *.map) I have set MINSCALEDENOM 5000 and
>MAXSCALEDENOM 5 in the layer section. Now I added this WMS-layer in
>qgis and the range is 1: til 1:6 instead of 1:5000 til 1:5. I
>testet other WMS-services and it's always a similar behavior. It's not
>always times 1,3. but close. Has anybody experienced the same or knows
>a way out?

The scale you see in QGIS is the scale on screen based on the display's
resolution.  The scale the WMS calculates is based on a different fixed
"artificial" resolution.   Therefore the scale QGIS shows is not the
scale the WMS calculates when figuring out what to render.

As neither the scale nor the resolution are specified in the WMS request,
there's not much we can do.   QGIS server was extended to support a
non-standard DPI parameter to solve that.

See also: http://hub.qgis.org/issues/6430


Jürgen 

-- 
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Dipl.-Inf. (FH)   Rheinstraße 13Fax. +49-4931-918175-50
Software Engineer D-26506 Norden   http://www.norbit.de
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[Qgis-user] MINSCALE, MAXSCALE WMS

[Sylvia Preuß]

Dear list,

 

in my webmapservice (WMS *.map) I have set MINSCALEDENOM 5000 and
MAXSCALEDENOM 5 in the layer section. Now I added this WMS-layer in qgis
and the range is 1: til 1:6 instead of 1:5000 til 1:5. I testet
other WMS-services and it’s always a similar behavior. It’s not always times
1,3. but close. Has anybody experienced the same or knows a way out?

 

1.7.4

 

Sylvia 




 

 



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[Qgis-user] WMS map request error

[Raffaella Sanna]

Hi,
my Qgis project has several wms layers: some of them have connection problems 
due to data source (sometimes it works, sometimes not...), so when I open the 
project I have to close dozen of pop-ups with "map request error".
Is it possible to change setting for wms loading? It would be great if I could 
clic only one time "close pop-up", and then apply this setting to all the 
pop-ups.
Thank you.
Have a nice day,

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Re: [Qgis-user] split point cloud into X randomly selected (equally sized) parts

[Paulo van Breugel]

Have a look at the v.kcv function in GRASS GIS 
(http://wgbis.ces.iisc.ernet.in/grass/gdp/html_grass64/v.kcv.html). This 
function randomly partition points into test/train sets.




On 11/19/2012 12:40 PM, Olav Peeters wrote:

Hi everyone,
for the purpose of speeding up a complex interpolation (written in 
single core Fortran-code) we would want to split a cloud of points 
(ca. 3 million irregular points) into X number of parts (eg 20 parts 
of more or less 150 000 points). Does anyone know of some 
QGIS-extension that could do this kind of a job?


I was looking at a Saga-gis module ("Shapes - Tools > Split Shapes 
Layer Randomly") in the SEXTANTE toolbox. This is perfect if you want 
to split shapes into two parts with varying proportions between the 
two parts. I can perform this sequentially to arrive at the desired 
number of parts, but is very time consuming if you want to compare the 
impact on the system of splitting everything in eg 20 parts versus 15 
or 12 or..


Preferably, a solution should be executable from the command-line.

Cheers,
Olav


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