[Qgis-user] Map canvas and composer - depicting labels for exclaves

[Andrea Giudiceandrea]

Jaisen Nedumpala Tue, 07 Sep 2021 14:10:18 -0700

When composing a map with all these, the labels for
those entities display only in one part. I couldn't find a method to
display the same label in all the non-conterminous parts. Is there a way in
QGIS to depict them correctly, other than manually editing the composed map
outside QGIS?


Hi Jaisen,
if your features are multi-part features and you need to label each part 
of the features, then you could use the option "Label every part of a 
multi-part features".
See 
https://docs.qgis.org/3.16/en/docs/user_manual/style_library/label_settings.html#feature-options


Best regards.

Andrea
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Re: [Qgis-user] .qpj files

[Nicolas Cadieux]

Hi,

When you currently save a shape file (.shp), that will also save .cpg, 
.dbf, .prj, .qmd, .shx. files also.  The minimum number of extension is 
3.  If you drag and drop all of them in the map canvas, you will get an 
error for each file that is not a .shp. This is normal.  Only the .shp 
should be opened in QGIS but the rest must be kept if you want to open 
the .shp file. If you delete the .dbf file for example, you will delete 
the database (not good!).


The .csv is a text file.  You should open that with using the delimited 
text file importer (the comma in the Manage Layer toolbar).  That file 
is possibly joined to a field in the shapefile via Layer properties, 
joins.  You can open that one with any plain text reading program like 
notepad. or notepad++.


Like Nyall says, some are no longer needed (the projection file format 
had some work around) but I would keep them all just in case. The 
shapefile format is very old.  Any version of QGIS can open one but 
select the .shp.


Nicolas


On 2021-09-07 7:56 p.m., Nyall Dawson wrote:

On Wed, 8 Sept 2021 at 09:52, Pat Brown  wrote:

I have a number of these files, associated with .cpg, .prj, .shp, .shx, .csv 
and .dbf files. These date back to 2019. I cannot seem to get them to open in 
QGIS version 3.18. Do I need to first open them with an older version of QGIS?

They aren't needed anymore. They were an old workaround around getting
QGIS to correctly identify the projection of the shapefiles, but all
that logic is moved to the PROJ library and these files are no longer
required.

Nyall
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--
Nicolas Cadieux
https://gitlab.com/njacadieux

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Re: [Qgis-user] GISBASE environment variable contains the wrong value

[Rick Rupp]

Thank you Charles. The system variable was correct, but wasn’t being updated in 
qgis-bin.env. I edited the file with the correct value and all is well. I found 
an alternative workaround also. On the System tab of the QGIS Options dialog I 
could enter a value for the GISBASE variable that would override the incorrect 
value.
Regards, Rick


From: Charles Dixon-Paver
Sent: Tuesday, September 7, 2021 1:11 PM
To: Rick Rupp
Cc: Qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] GISBASE environment variable contains the wrong value

I imagine a few things could be happening here. One way to test if the "system" 
environment variable is set correctly is to use cmd to run echo %GISBASE% and 
see where the default path is pointing to. If it is pointing to the correct 
path then likely the variable is being overwritten by the QGIS bootstrapping 
configuration. Have a look in the C:\OSGeo4W\bin\qgis-bin.env or 
C:\OSGeo4W\bin\qgis-dev-bin.env files to see if the references are correct. 
Otherwise maybe try a new user profile.

On Tue, 7 Sept 2021 at 19:15, Rick Rupp 
mailto:palouse...@outlook.com>> wrote:
I am using QGIS 3.20 on Windows 10. I installed QGIS using the new version of 
OSGeo4W. My installation is in a \OSGeo4W folder. When I try to execute a GRASS 
function, I get an error saying the program couldn’t find the function, but it 
is looking for it in a \OSGeo4W64 folder(default for the old version of 
OSGeo4W). I checked my Windows environment variables, and the GISBASE variable 
was pointing to the old location. I corrected this, rebooted, but QGIS still 
reports the old location on the System Options dialog. All the other OSGeo4W 
paths are correct. Is there another location from where the GISBASE variable is 
read?

My work around is to just use GRASS for the needed functions, as the standalone 
program runs fine. Any suggestions are appreciated.

Regards, Rick

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Re: [Qgis-user] Convert LYR 2 SHP

[Allan López]

Awesome, thanks!

aLL the Best,

Allan

El mar, 7 de sep. de 2021 a la(s) 17:58, Nyall Dawson (
nyall.daw...@gmail.com) escribió:

> On Wed, 8 Sept 2021 at 05:58, Charles Dixon-Paver 
> wrote:
> >
> > To my knowledge, lyr files are definitions for data sources, styles, and
> other layer configuration information.
>
> Correct. They are a direct equivalent of QLYR/QML files in QGIS land.
>
> > If you have a layer package you want to convert or extract data from,
> I'm not actually sure of what FOSS tooling supports it at all.
>
> A lpk is actually just a 7zip file renamed with a different extension.
> If you open the lpk in 7zip you'll see a .lyr file with the styling
> information together with a .gdb dataset containing the actual layer
> data. The .gdb will open fine in QGIS, but you'd need the licensed
> SLYR plugin in order to get the original .lyr styling to apply.
>
> Nyall
>
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Re: [Qgis-user] Convert LYR 2 SHP

[Nyall Dawson]

On Wed, 8 Sept 2021 at 05:58, Charles Dixon-Paver  wrote:
>
> To my knowledge, lyr files are definitions for data sources, styles, and 
> other layer configuration information.

Correct. They are a direct equivalent of QLYR/QML files in QGIS land.

> If you have a layer package you want to convert or extract data from, I'm not 
> actually sure of what FOSS tooling supports it at all.

A lpk is actually just a 7zip file renamed with a different extension.
If you open the lpk in 7zip you'll see a .lyr file with the styling
information together with a .gdb dataset containing the actual layer
data. The .gdb will open fine in QGIS, but you'd need the licensed
SLYR plugin in order to get the original .lyr styling to apply.

Nyall
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Re: [Qgis-user] .qpj files

[Nyall Dawson]

On Wed, 8 Sept 2021 at 09:52, Pat Brown  wrote:
>
> I have a number of these files, associated with .cpg, .prj, .shp, .shx, .csv 
> and .dbf files. These date back to 2019. I cannot seem to get them to open in 
> QGIS version 3.18. Do I need to first open them with an older version of QGIS?

They aren't needed anymore. They were an old workaround around getting
QGIS to correctly identify the projection of the shapefiles, but all
that logic is moved to the PROJ library and these files are no longer
required.

Nyall
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[Qgis-user] .qpj files

[Pat Brown]

I have a number of these files, associated with .cpg, .prj, .shp, .shx,
.csv and .dbf files. These date back to 2019. I cannot seem to get them to
open in QGIS version 3.18. Do I need to first open them with an older
version of QGIS?

Thanks,

Paddy
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[Qgis-user] Map canvas and composer - depicting labels for exclaves

[Jaisen Nedumpala]

Hai,
I was composing a map with shapefile layers of several political entities
in a district, over here. In one layer, there are 12 similar entities,
among which, two of them have exclaves. Precisely, one entity has three
physically non-conterminous parts, and one has two physically
non-conterminous parts.

My problem comes here. When composing a map with all these, the labels for
those entities display only in one part. I couldn't find a method to
display the same label in all the non-conterminous parts. Is there a way in
QGIS to depict them correctly, other than manually editing the composed map
outside QGIS?

Help me.

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Re: [Qgis-user] Problem with scale/magnifier

[David Strip]

  
  
On 9/7/2021 2:08 PM, Stewart Holt
  wrote:

Setting
  the scale at X and the magnifier at 200% behaves identically to
  the scale at X/2 and magnifier at 100%. 
While there may be issues with WMS layers (I don't use them often
enough to have noticed), it's certainly not true in general that
doubling the magnification is the same as halving the scale. In
particular, create a simple map with a layer with labels on. If you
halve the scale, the text on your screen remains the same size as
before. If you double the magnification, the text is twice is big on
your screen. Same goes for many aspects of symbology.

  

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Re: [Qgis-user] Convert LYR 2 SHP

[Allan López]

Thank you for the clarification.
Best,

Allan

El mar, 7 de sep. de 2021 a la(s) 13:56, Charles Dixon-Paver (
char...@kartoza.com) escribió:

> To my knowledge, lyr files are definitions for data sources, styles, and
> other layer configuration information. They do not contain any actual data
> unless forming part of a layer package (lpk). The shp or shape file is the
> actual underlying data so there is no way to convert or extract it from a
> lyr.
>
> If you have a layer package you want to convert or extract data from, I'm
> not actually sure of what FOSS tooling supports it at all. North Road offer
> the slyr tools, but I see on the website that lpk support was planned, so
> I'm not sure whether or not it has been implemented at this time
> https://north-road.com/slyr/
>
> On Tue, 07 Sep 2021, 21:37 Allan López,  wrote:
>
>> Dear All,
>>
>> please help me on how to convert LYR 3 SHP in or outside of Qgis 3.6
>>
>> Best,
>>
>> Allan López
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>
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Re: [Qgis-user] GISBASE environment variable contains the wrong value

[Charles Dixon-Paver]

I imagine a few things could be happening here. One way to test if the
"system" environment variable is set correctly is to use cmd to run echo
%GISBASE% and see where the default path is pointing to. If it is pointing
to the correct path then likely the variable is being overwritten by the
QGIS bootstrapping configuration. Have a look in the
C:\OSGeo4W\bin\qgis-bin.env or C:\OSGeo4W\bin\qgis-dev-bin.env files to see
if the references are correct. Otherwise maybe try a new user profile.

On Tue, 7 Sept 2021 at 19:15, Rick Rupp  wrote:

> I am using QGIS 3.20 on Windows 10. I installed QGIS using the new version
> of OSGeo4W. My installation is in a \OSGeo4W folder. When I try to execute
> a GRASS function, I get an error saying the program couldn’t find the
> function, but it is looking for it in a \OSGeo4W64 folder(default for the
> old version of OSGeo4W). I checked my Windows environment variables, and
> the GISBASE variable was pointing to the old location. I corrected this,
> rebooted, but QGIS still reports the old location on the System Options
> dialog. All the other OSGeo4W paths are correct. Is there another location
> from where the GISBASE variable is read?
>
>
>
> My work around is to just use GRASS for the needed functions, as the
> standalone program runs fine. Any suggestions are appreciated.
>
>
>
> Regards, Rick
>
>
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[Qgis-user] Problem with scale/magnifier

[Stewart Holt]

The Magnifier control on the main canvas status bar does not seem to
magnify, but rather changes the effective scale causing a fetch of the WMS
layer. This is a problem when this exceeds the servers maximum scale.
Setting the scale at X and the magnifier at 200% behaves identically to the
scale at X/2 and magnifier at 100%. When I adjust the magnifier, I see the
blue progress bar associated with fetching tiles. Ideally the magnifier
would allow you to magnify with pixelation, to get some separation of
features while seeing a degraded background map image. The lock seems to
only disable manually changing the scale but does not keep the WMS layer
from being fetched at a magnified scale which can result in failure and a
blank background. The documentation indicates that the lock should allow
magnification without changing scale. This seems to not be the case on USGS
WMS/WMTS layers. Has anyone else experienced this or understand what may be
causing it?

I am using Windows 10 and QGIS 3.18.3. I have seen this behavior since
version 2.

Thanks,

Stewart
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Re: [Qgis-user] Convert LYR 2 SHP

[Charles Dixon-Paver]

To my knowledge, lyr files are definitions for data sources, styles, and
other layer configuration information. They do not contain any actual data
unless forming part of a layer package (lpk). The shp or shape file is the
actual underlying data so there is no way to convert or extract it from a
lyr.

If you have a layer package you want to convert or extract data from, I'm
not actually sure of what FOSS tooling supports it at all. North Road offer
the slyr tools, but I see on the website that lpk support was planned, so
I'm not sure whether or not it has been implemented at this time
https://north-road.com/slyr/

On Tue, 07 Sep 2021, 21:37 Allan López,  wrote:

> Dear All,
>
> please help me on how to convert LYR 3 SHP in or outside of Qgis 3.6
>
> Best,
>
> Allan López
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[Qgis-user] Convert LYR 2 SHP

[Allan López]

Dear All,

please help me on how to convert LYR 3 SHP in or outside of Qgis 3.6

Best,

Allan López
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[Qgis-user] GISBASE environment variable contains the wrong value

[Rick Rupp]

I am using QGIS 3.20 on Windows 10. I installed QGIS using the new version of 
OSGeo4W. My installation is in a \OSGeo4W folder. When I try to execute a GRASS 
function, I get an error saying the program couldn’t find the function, but it 
is looking for it in a \OSGeo4W64 folder(default for the old version of 
OSGeo4W). I checked my Windows environment variables, and the GISBASE variable 
was pointing to the old location. I corrected this, rebooted, but QGIS still 
reports the old location on the System Options dialog. All the other OSGeo4W 
paths are correct. Is there another location from where the GISBASE variable is 
read?

My work around is to just use GRASS for the needed functions, as the standalone 
program runs fine. Any suggestions are appreciated.

Regards, Rick

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