Re: [Qgis-user] Error for new download 3.12.3

[j.m]

The installer downloaded and started to run OK, but then the website responded 
with the following error. 
The requested URL 
/pub/osgeo/download/qgis/windows/QGIS-OSGeo4W-3.12.3-2-Setup-x86_64.exe was not 
found on this server.

Apache Server at ftp.osuosl.org Port 443
Jake

-Original Message-
From: Qgis-user On Behalf Of Phil Wyatt
Sent: Wednesday, May 20, 2020 20:53
To: 'Grant Boxer' ; qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Error for new download 3.12.3

It may just be a numbering issue (unless there was a quick hotfix)

https://ftp.osuosl.org/pub/osgeo/download/qgis/windows/

3.12.3-1 is there but the link points to 3.12.3-2

-Original Message-
From: Qgis-user  On Behalf Of Grant Boxer
Sent: Thursday, 21 May 2020 10:09 AM
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Error for new download 3.12.3

The link for version 3.12.3 download is not working. Tried it last night and 
this morning.

Regards Grant Boxer

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Re: [Qgis-user] Error for new download 3.12.3

[Phil Wyatt]

It may just be a numbering issue (unless there was a quick hotfix)

https://ftp.osuosl.org/pub/osgeo/download/qgis/windows/

3.12.3-1 is there but the link points to 3.12.3-2

-Original Message-
From: Qgis-user  On Behalf Of Grant Boxer
Sent: Thursday, 21 May 2020 10:09 AM
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Error for new download 3.12.3

The link for version 3.12.3 download is not working. Tried it last night and 
this morning.

Regards Grant Boxer

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[Qgis-user] Error for new download 3.12.3

[Grant Boxer]

The link for version 3.12.3 download is not working. Tried it last night 
and this morning.


Regards Grant Boxer

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[Qgis-user] Fw: Qgis-user Digest, Vol 171, Issue 43

[Thayer Young]

 You might want to try generating a random diameter for the points in the 
symbology. For example using a Graduated symbology set the Value to 'rand(2, 
20)' and Method to Size. You could then adjust the color for each of the 
classes to add even more variability.

-Thayer

Date: Mon, 18 May 2020 14:02:18 -0500
From: David Fawcett 
To: qgis-user 
Subject: [Qgis-user] Geometry Generator - Generating buffered points
    from    polys
Message-ID:
    
Content-Type: text/plain; charset="utf-8"

Hi,

I am working through an exercise to figure out the best way to represent
some wooded areas in a map that I am making.

The current iteration uses geometry generators to create slightly
randomized points to fill the polygons that represent wooded areas. I based
it off of the great examples at
https://impermanent.io/2017/05/05/generative-pseudo-random-polygon-fill-patterns-in-qgis/
And, it works great!

After looking at it a while, I want to introduce some variability in the
size of the point symbols too.

I have two ideas on how to do that:

The first one is to create and populate an attribute for each point
feature, and then apply symbology rules based on that value. The challenge
is that right now, my custom function is returning multi-point features, so
all of the points within a forest poly would have the same attribute.

I am currently pursuing the second one. That strategy is to use the same
altered grid of points, and then buffer each point. I am having a hard time
figuring out how to return a layer with several multi-polygon features
created by buffering the points.

In this example, "buffer" is not defined, so the expression is invalid.

  for xOff in range(countX+1):
    for yOff in range(countY+1):
      ptX = xMin + xOff*(xInterval) + rand * random.uniform(0,xInterval)
      ptY = yMin + yOff*(yInterval) + rand * random.uniform(0,xInterval)

      pt = QgsPointXY(ptX,ptY)
      point = QgsGeometry.fromPointXY(pt)


      if feature.geometry().contains(point):
          sym = buffer(point,200.0,10)
          #points.append(pt)
          bufs.append(sym)

  return collect_geometries(bufs)

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Re: [Qgis-user] problem with chapter 9.4.20 of the exercises

[Thayer Young]

   Have you read the log output from the Rasterize tool? You should check that 
for any errors and make corrections.
  This part of the training manual documentation is quite old. But the help for 
the Rasterize tool is up to date.  Click on the 'Help' button in the 
'Rasterize' dialog, you should be able to figure out what to do from there.  In 
addition to the error log and the Help, please note the following about the 
Rasterize tool: 1) the Pixel Size, Extent, Width, Height or Dimensions are now 
located in the "Information" tab of the Layer Properties, 2) you do not want to 
use your unique id as the burn-in value, and 3) you have to reorganize the 
extent since in the Layer Properties it is listed xmin,ymin : xmax,ymax, 4) 
pixels refers to the number of pixels wide or high the raster should be, 
georeferenced units is the number of feet, meters, or degrees that each pixel 
should be.
-Thayer 
   >Date: Mon, 18 May 2020 16:50:11 -0300
>From: jordi badia 
>To: qgis-user@lists.osgeo.org
>Subject: [Qgis-user] problem with chapter 9.4.20 of the exercises
>Message-ID: 
>Content-Type: text/plain; charset=utf-8; format=flowed
>>Hi QGIS, I'm performing the 
>https://docs.qgis.org/3.10/es/docs/training_manual/complete_analysis/analysis_exercise.html
>in specifically in chapter 9.4.20 of rendering a vector layer.
>I have installed version 3.10.5-A Coruña, and I do not get to perform 
>the rendering, I do not understand where the process is failing after 
>trying several methods. I believe that steps 1 to 15 set out in chapter 
>9.4.20 currently the website are out of the box for version 3.10.5.
>Could someone update them? or give me some help to prove that I'm doing 
>wrong?
>Thank you
>>Jordi Badia
>>jordibadia@gmail.com>-55 41 997418319

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Re: [Qgis-user] Qgis-user Digest, Vol 171, Issue 43

[Thayer Young]

 You might want to try generating a random diameter for the points in the 
symbology. For example using a Graduated symbology set the Value to 'rand(2, 
20)' and Method to Size. You could then adjust the color for each of the 
classes to add even more variability.
-Thayer

Date: Mon, 18 May 2020 14:02:18 -0500
From: David Fawcett 
To: qgis-user 
Subject: [Qgis-user] Geometry Generator - Generating buffered points
    from    polys
Message-ID:
    
Content-Type: text/plain; charset="utf-8"

Hi,

I am working through an exercise to figure out the best way to represent
some wooded areas in a map that I am making.

The current iteration uses geometry generators to create slightly
randomized points to fill the polygons that represent wooded areas. I based
it off of the great examples at
https://impermanent.io/2017/05/05/generative-pseudo-random-polygon-fill-patterns-in-qgis/
And, it works great!

After looking at it a while, I want to introduce some variability in the
size of the point symbols too.

I have two ideas on how to do that:

The first one is to create and populate an attribute for each point
feature, and then apply symbology rules based on that value. The challenge
is that right now, my custom function is returning multi-point features, so
all of the points within a forest poly would have the same attribute.

I am currently pursuing the second one. That strategy is to use the same
altered grid of points, and then buffer each point. I am having a hard time
figuring out how to return a layer with several multi-polygon features
created by buffering the points.

In this example, "buffer" is not defined, so the expression is invalid.

  for xOff in range(countX+1):
    for yOff in range(countY+1):
      ptX = xMin + xOff*(xInterval) + rand * random.uniform(0,xInterval)
      ptY = yMin + yOff*(yInterval) + rand * random.uniform(0,xInterval)

      pt = QgsPointXY(ptX,ptY)
      point = QgsGeometry.fromPointXY(pt)


      if feature.geometry().contains(point):
          sym = buffer(point,200.0,10)
          #points.append(pt)
          bufs.append(sym)

  return collect_geometries(bufs)

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Re: [Qgis-user] Install Python packages on Mac with other Python installations

[Thayer Young]

 Assuming you are using the single installer downloaded from the QGIS website 
pretty much everything is in the QGIS.app package in your Applications folder. 
For more detail: from Settings select Options and then the System tab. That 
lists all of the paths to the various pieces that make Q run, and lets you set 
environment variables, etc..
-Thayer

Date: Mon, 18 May 2020 19:37:39 +
From: Bill Farrand 
To: "qgis-user@lists.osgeo.org" 
Subject: [Qgis-user] Install Python packages on Mac with other Python
    installations
Message-ID: 
Content-Type: text/plain; charset="utf-8"

I am trying to install a QGIS plug-in (Enmap Box) to QGIS3.12 on my Mac running 
Mojave and it requires several additional Python packages. My default Python 
now is an anaconda version. I can disable that and it goes to the native OSX 
Python 2.7. I’m not sure how to set the Mac terminal window to something where 
I can install Python packages to the version of Python that QGIS 3.12 goes to 
by default. Alternatively, perhaps there is a way to change an environment 
variable in QGIS to one of my already existing Python installations?

Thanks…

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Re: [Qgis-user] Qgis-user Digest, Vol 171, Issue 43

[Thayer Young]

   Have you read the log output from the Rasterize tool? You should check that 
for any errors and make corrections.  This part of the training manual 
documentation is quite old. But the help for the Rasterize tool is up to date.  
Click on the 'Help' button in the 'Rasterize' dialog, you should be able to 
figure out what to do from there.  In addition to the error log and the Help, 
please note the following about the Rasterize tool: 1) the Pixel Size, Extent, 
Width, Height or Dimensions are now located in the "Information" tab of the 
Layer Properties, 2) you do not want to use your unique id as the burn-in 
value, and 3) you have to reorganize the extent since in the Layer Properties 
it is listed xmin,ymin : xmax,ymax, 4) pixels refers to the number of pixels 
wide or high the raster should be, georeferenced units is the number of feet, 
meters, or degrees that each pixel should be.
-Thayer 
   >Date: Mon, 18 May 2020 16:50:11 -0300
>From: jordi badia 
>To: qgis-user@lists.osgeo.org
>Subject: [Qgis-user] problem with chapter 9.4.20 of the exercises
>Message-ID: 
>Content-Type: text/plain; charset=utf-8; format=flowed
>>Hi QGIS, I'm performing the 
>https://docs.qgis.org/3.10/es/docs/training_manual/complete_analysis/analysis_exercise.html
>in specifically in chapter 9.4.20 of rendering a vector layer.
>I have installed version 3.10.5-A Coruña, and I do not get to perform 
>the rendering, I do not understand where the process is failing after 
>trying several methods. I believe that steps 1 to 15 set out in chapter 
>9.4.20 currently the website are out of the box for version 3.10.5.
>Could someone update them? or give me some help to prove that I'm doing 
>wrong?
>Thank you
>>Jordi Badia
>>jordibadia@gmail.com>-55 41 997418319

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Re: [Qgis-user] Import non-spatial table from ODBC?

[Francesco Pelullo]

Ciao Luca,

Yes, you can.

Open the Data Source Manager, add a new vector layer, then in the source
type choose "Database".

In the drop-down list, choose ODBC.

Obsiouvly, you need to create a connection to the database.

Regards

Francesco



Il mer 20 mag 2020, 15:30 Luca Manganelli 
ha scritto:

> Hello,
>
> Is it possible to import a non-spatial table from ODBC?
> So, I can use it to join the data with a vector layer.
>
>
>
>
> --
>
> Comune di Trento
>
> via Belenzani, 19 - 38122 Trento | C.F e P. IVA: 00355870221
>
> tel. +39 0461.884111 | www.comune.trento.it
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[Qgis-user] Import non-spatial table from ODBC?

[Luca Manganelli]

Hello,

Is it possible to import a non-spatial table from ODBC?
So, I can use it to join the data with a vector layer.

-- 





Comune di Trento 

via Belenzani, 19 - 38122 Trento | C.F e P. IVA: 
00355870221

tel. +39 0461.884111 | www.comune.trento.it 
 


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[Qgis-user] Update the explanation of 9.4.20 exercice

[Jordi Badia]

Hi QGIS, I'm doing the 
https://docs.qgis.org/3.10/es/docs/training_manual/complete_analysis/analysis_exercise.html
Specifically, I have reached chapter 9.4.20 where a vector layer needs 
to be rasterized.
I am with 3.10.5 A_Coruña installed, and I do not manage to render this 
vector layer


I think that the process exposed in chapter 9.4.20 currently on the web 
is not updated for this version, and I do not manage to place the 
correct parameters. Can anyone update the explanation of this process in 
this exercise ?

or give me some help...

Thank you


Jordi Badia

jordibadia@gmail.com

+55 41 997418319


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El software de antivirus Avast ha analizado este correo electrónico en busca de 
virus.
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