Re: [Qgis-user] Seeking support for drill hole module

[Andreas Neumann]

Hi Grant, 


Yes - Oslandia has a developed a number of plugins for geology, as
Alexandre mentioned. You can find a video recording from FOSS4G
Bucharest on this topic: 

https://media.ccc.de/v/bucharest-244-open-source-tool-set-for-geology 

I would check with them what is available and could be improved. 

Greetings, 

Andreas 


On 2020-05-19 08:23, Alexandre Neto wrote:

Hi! 

If I remember well, Oslandia team has been working on that. 

I believe this is the project I seen in a conference. 

https://github.com/Oslandia/albion 

Best regards, 

Alexandre Neto 

A terça, 19/05/2020, 07:13, Grant Boxer  escreveu: 

I am trying to gauge support for the development of a drill hole and 
cross section plugin for QGIS. I have emailed members of my geoscience 
user group and have received about euros 3000 in initial pledges for a 
crowd funding initiative. If you would like to support this initiative 
please email me at box...@iinet.net.au so I can add you to my list of 
supporters. In my preliminary discussions with one developer, they have 
suggested a possible expansion of the Midvatten plugin that already has 
some of the functionality required. I would be really keen to hear 
opinions from other users on the best way forward for this plugin and 
with the longer term aim of having a full 3D block modelling capability.


Regards Grant Boxer

Perth, Western Australia

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Re: [Qgis-user] Seeking support for drill hole module

[Alexandre Neto]

Hi!

If I remember well, Oslandia team has been working on that.

I believe this is the project I seen in a conference.

https://github.com/Oslandia/albion

Best regards,

Alexandre Neto

A terça, 19/05/2020, 07:13, Grant Boxer  escreveu:

> I am trying to gauge support for the development of a drill hole and
> cross section plugin for QGIS. I have emailed members of my geoscience
> user group and have received about euros 3000 in initial pledges for a
> crowd funding initiative. If you would like to support this initiative
> please email me at box...@iinet.net.au so I can add you to my list of
> supporters. In my preliminary discussions with one developer, they have
> suggested a possible expansion of the Midvatten plugin that already has
> some of the functionality required. I would be really keen to hear
> opinions from other users on the best way forward for this plugin and
> with the longer term aim of having a full 3D block modelling capability.
>
> Regards Grant Boxer
>
> Perth, Western Australia
>
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[Qgis-user] Seeking support for drill hole module

[Grant Boxer]

I am trying to gauge support for the development of a drill hole and 
cross section plugin for QGIS. I have emailed members of my geoscience 
user group and have received about euros 3000 in initial pledges for a 
crowd funding initiative. If you would like to support this initiative 
please email me at box...@iinet.net.au so I can add you to my list of 
supporters. In my preliminary discussions with one developer, they have 
suggested a possible expansion of the Midvatten plugin that already has 
some of the functionality required. I would be really keen to hear 
opinions from other users on the best way forward for this plugin and 
with the longer term aim of having a full 3D block modelling capability.


Regards Grant Boxer

Perth, Western Australia

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Re: [Qgis-user] vector point grid to raster grid -- pixel size does not work SOLVED

[Nicolas Cadieux]

Nice to know you got it!

Nicolas Cadieux
Ça va bien aller!

> Le 16 mai 2020 à 06:13, Priv.-Doz. Dr. Maria Shinoto 
>  a écrit :
> 
> Hi, 
> 
> I had some intensive learning during the last days, and thanks again for your 
> help. 
> 
> After all it turns out that it is something Nicolas wrote, it is a matter of 
> the projection. The Japanese software just exported to a projected format, 
> but the original data seem to be in lat long. I found a way to get the 
> unprojected data and now can create a beautiful hillshade in an unprojected 
> lat long layer. And it even looks good in a projected project (EPSG:6670) 
> with on the fly projection. 
> 
> For hydrological analyses I need to use the projected data, but the artifacts 
> do not matter here. While binge-watching YouTube videos I realized that these 
> artifacts occur with the pros as well when they use the projected layers for 
> their analyses. Now everything much better and "in place".
> 
> Best, 
> Maria
> 
> 
>> Am 15.05.2020 um 13:21 schrieb Nicolas Cadieux 
>> :
>> 
>> 
>> 
>> Nicolas Cadieux
>> Ça va bien aller!
>> 
 Le 14 mai 2020 à 23:12, Nicolas Cadieux  a 
 écrit :
>>> 
>>> Hi,
>>> 
>>> 
>>> See below for comments.
>>> 
>>> Nicolas Cadieux
>>> Ça va bien aller!
>>> 
 Le 14 mai 2020 à 22:21, Priv.-Doz. Dr. Maria Shinoto 
  a écrit :
 
 Hi again, 
 
 and sorry for the ongoing discussion.
 
 Today I exported a selection of the DEM data to a shapefile, just 9MB for 
 the main file, and this makes testing very fast.
 
 (A) TINs did not work. 
>>> 
>>> TIn interpolation has memory problems with large data sets.  Same problem 
>>> since QGIS 2x at least.  It was cool features but is not made to handle 
>>> today’s data sets.
 
 (B) I tried all steps carefully again, but even the GDAL raster is 
 horrible now. 
 
 Here are some screenshots with my explanation and the protocol for 
 rasterization and filling nodata. 
 
 It seems that the artifacts are due to no data fields that evolve during 
 rasterization as a pattern. These nodata fields may be due to a slight 
 inclination of the grid from the export of the data with the Japanese 
 software. 
 
 1) The point grid, one can see the inclination
 
>>> <01.jpeg>
 
 
 2) The raster of the same area, one can see the points of the vector point 
 grid along the white empty space; this is NODATA.
 
>>> <02.jpeg>
 
 
>>> I would use gdal_grid not rasterize. Use Gdal grid with a larger search 
>>> circle will solve this problem.  Use nearest neighborhood with a search 
>>> radius larger than the pixel (like 7m).  That will reduce the no data. 
>>> Click on the help or go to the gdal website. That will help you add the 
>>> missing parameters like the -txe and -tye. (The extent) and the -outsize 
>>> for the number of pixels. 
>>> 
 I add the protocol
>>> <2020-05-15-rasterize-protocol-for-selection.txt>
 
 
 
 3) Using the Fill NODATA from the Raster menu makes a beautiful looking 
 raster, there seem to be no flaws.
 
>>> <03.jpeg>
 
 
>>> 
>>> That fixes things but adds new data to the raster. This may be unwanted.
>>> 
 I add the protocol.
 
>>> <2020-05-15-fill-nodata-protocol-for-selection.txt>
 
 
 4) This is the same area as in (3), but instead of a pseudocolor ramp 
 shown as hillshade.
 
>>> <04.jpeg>
 
 
>>> This is normal if you select a bad z factor (probably not the case here).  
>>> You will have the same thing if you zoom in and have nearest neighbour in 
>>> the “zoomed in” under “resampling“ in the hillshade symbology window.
 
 5) This is the impression from a larger area.
 
>>> <05.jpeg>
 
 
 
 6) This is the same small area hillshaded with the GDAL tools. Looks good, 
 but suffers from the same artifacts. 
 
>>> 
>>> No this is way it should look like (Image under).  You can see the pixels 
>>> because you are zoomed in.  Again, select the correct z factor (if x,y are 
>>> in long -lat and z is in meters or feet.) (probably ok here).
>>> 
>>> <06.jpeg>
 
 
 
>>> Play with the resampling zoomed out parameters in symbology 
>>> 
>>> 
 7) The larger area from hillshade in GDAL tools. 
 
>>> <07.jpeg>
 
 
 
 
 
 I sorry to be so insisting on the problem, I think it is not the problem 
 of QGIS, but perhaps there are solutions to such a case. -- The projection 
 is OK, and the base map fits perfectly. 
 
 Best and Thanks to anyone trying to help, 
 Maria
 
 
 
 
> 
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[Qgis-user] QGIS with Garmin Glo

[Martin Valiquette]

Hi
I need help to get my garmin GLO working with QGIS 3.10.5 and windows 10 on
a Windows surface pro

Windows detects the GLO and associate it to COM3, COM4, COM5 and COM6. Why
4?

In QGIS i try all four com port but the blue led on the GLO keeps flashing.

At no time it asks a 4 digit code.

The com port seems to be at 9600 baud. Is that normal?

Am I skipping a configuration step in windows,

Martin
Magog, QC
819-212-2190
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Re: [Qgis-user] Export GeoPDF Mac

[Thayer Young]

 To expand on what John said about when Mac OS users will be getting QGIS 
installers with GDAL3 and Proj6:
>From this blog post, they are aiming for QGIS 3.14:  
>https://www.lutraconsulting.co.uk/blog/2020/04/22/qgis-macos-development/
and from the QGIS roadmap 3.14.0 is due to be released on June 19th 2020, the 
final 3.14 point release is on September 11th 2020: 
https://www.qgis.org/en/site/getinvolved/development/roadmap.html#qgis-release-schedule
but failing that you can watch their Twitter feed: 
https://twitter.com/lutraconsulting
But if you can't wait they explain how to compile from code in the blog post 
link.
-Thayer



>Date: Sat, 16 May 2020 15:34:05 +0100
>From: John Layt 
>To: qgis-user ML 
>Subject: Re: [Qgis-user] Export GeoPDF Mac
>Message-ID:
>    
>Content-Type: text/plain; charset="utf-8"
>>The Mac installer is currently packaged with the older version of GDAL
>which doesn't support GeoPDF (your colleague will have the newer version of
>GDAL installed automatically as packaged with the Windows installer). My
>understanding is the Mac package developers (Lutra Consulting) are
>currently working on an update to the Mac package to include the latest
>version of GDAL, so we should have that soon.
>>John.
>>>On Sat, 16 May 2020 at 00:02, Adam Sneath  wrote:
>>> Hello there. I want to export a georeferenced PDF from my QGIS project,
>> and I am unable to tick the box as I need GDAL 3.0. However, my colleague
>> is using windows (I am using a mac) and he is able to export as a GeoPDF
>> without any issue, despite him not having GDAL. I hoped you could help me
>> towards a solution. Thanks

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

[jordi badia]

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



--
El software de antivirus Avast ha analizado este correo electrónico en busca de 
virus.
https://www.avast.com/antivirus

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

[Bill Farrand]

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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[Qgis-user] Geometry Generator - Generating buffered points from polys

[David Fawcett]

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] Export GeoPDF Mac

[Matthew Peters]

Hi Adam,

I was also interested in this capability, but hit the following roadblock - 
which I would be grateful if anyone can help resolve:

The GDAL version (2.4.1) that comes packaged with the all-in-one installer for 
Mac (for QGIS 3.12, 3.10. 3.4) apparently can’t support GeoPDF creation, yet I 
could find no source for the more current GDAL  version (3.0+) that is needed. 
It appears this newer version is available for non-Mac installs, but not yet 
for Mac. Anyone know differently? This effectively seems to mean that in fact 
GeoPDF creation is not  currently supported for Mac installs. 

Depending on your needs you may find exporting to Geotiff (which does work on 
Mac) as a viable alternative, though it creates larger files. For instance, if 
you want the GeoPDF (geospatial PDF=not the same thing) for use in a mobile 
mapping app like Avenza, then the Geotiff is a workable alternative - just make 
sure to check the box to export the associated world file and then bundle this 
with the tiff in a Zip before importing to Avenza.

Here are a couple related threads, but unfortunately there seems to be no 
resolution yet:
https://gis.stackexchange.com/questions/345761/export-geospatial-pdf-from-qgis-on-mac
 

https://gis.stackexchange.com/questions/354383/updating-gdal-to-3-0-from-2-4-1-on-mac-to-create-geopdfs-in-qgis-3-10
 


Hope this gets resolved in coming versions, it sure would be nice for Mac users 
to have access this functionality.

Best,
Matt Peters



> 
> Message: 1
> Date: Sat, 16 May 2020 00:02:27 +0100
> From: Adam Sneath 
> To: qgis-user@lists.osgeo.org
> Subject: [Qgis-user] Export GeoPDF Mac
> Message-ID: <97c62762-16f4-441d-ae58-271d78033...@gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> Hello there. I want to export a georeferenced PDF from my QGIS project, and I 
> am unable to tick the box as I need GDAL 3.0. However, my colleague is using 
> windows (I am using a mac) and he is able to export as a GeoPDF without any 
> issue, despite him not having GDAL. I hoped you could help me towards a 
> solution. Thanks
> -- next part --
> An HTML attachment was scrubbed...
> URL: 
> 
> 
> --
> 
> Message: 2
> Date: Sat, 16 May 2020 11:07:46 +0200
> From: Andreas Neumann 
> To: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] Export GeoPDF Mac
> Message-ID: <421d2695-e6be-6ec4-86c8-212b5fb41...@carto.net>
> Content-Type: text/plain; charset="windows-1252"; Format="flowed"
> 
> Hi Adam,
> 
> GDAL is an integral part of QGIS. QGIS doesn't work without GDAL. So I'm 
> 100% sure that your colleague on Windows also has GDAL. Maybe you just 
> aren't aware of it. If you go to the about screen in the help menu. What 
> does it say there about GDAL? On your Mac and on the Windows 
> installation of your colleague?
> 
> Also: what QGIS version do you use on the Mac? GeoPDF is relatively new 
> and you need both a new GDAL and a new QGIS. But normally you don't have 
> to worry about GDAL. If you use the new MacOS all in one installer, GDAL 
> should be installed automatically with it. With the older way of 
> installing QGIS on the Mac you still had to install it separately. Both 
> approaches have advantages/disadvantages.
> 
> Greetings,
> 
> Andreas
> 

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Re: [Qgis-user] Map contest: mapping Pi for the 3.14 splash screen

[Anita Graser]

Dear Gert-Jan,

Yes, the broad statement was intentional. Please only submit maps if
you're fine with it.

The design will certainly be cropped because we have to design graphics
of different shape and size. Other changes may be applied as well to
ensure that the graphics go well with our overall design.

Regards,

Anita


On 18.05.2020 17:01, gee...@dds.nl wrote:

Hi Anita,

Sorry to be a hair-splitter, but the "Both grayscale and color designs
can be submitted. We reserve the right to decide how to eventually use
them" could be interpreted very broad ;-)

I do suppose that the design will be used as designed, and NOT
cropped, rotated, skewed or otherwise adjusted by any graphic filter?


Regards,

Gert-Jan




Anita Graser schreef op 17-05-2020 10:36:

Hi Rayond,

Thank you for the questions! I meant to include image size requirements
in the instructions but it seems like I didn't. I've now added minimum
resolution requirements (3000x2000px) and further clarifications to the
submission form.

Please DON'T submit finished splash screens. We need the raw map /
graphics to create all the graphics that are needed for a release
design.

Both grayscale and color designs can be submitted. We reserve the right
to decide how to eventually use them.

The form now states "By uploading your map you grant QGIS.ORG unlimited
rights to use the map. Please do NOT submit graphics which are protected
be somebody else's copyright!". If a checkbox is needed for legal
reasons, please let me know.

I'd stick with "Pi" rather than the greek character for simplicity

Regards,

Anita


On 17.05.2020 10:21, Raymond Nijssen wrote:

Hi Anita,

Great challenge for the (boring!) weekend. :)

Could you provide some guidelines for submissions?

I tried to find the image dimensions and came to 600x300 px, but that
is the splash screen size for the dev version. The 3.12 splash screen
is 1977x946 px.

Can colours be used or should it be gray scale and made green in the
style of the other 3.x splash screens?

In the announcement of the 3.12 splash screen you refer to the GIMP
file in the "QGIS graphics folder on Google Drive" but I don't have a
link. Could you share it, or share the GIMP file in another way?

Shouldn't the submission form contain a checkbox for sharing the image
as GPL2 or something else to make sure it does not contain copyrighted
material and QGIS can use it?


And wondering, will we go for "Pi" or "π" (the Greek character, I'm
not even sure the email software will show this correctly...) :)

Thanks and have a nice weekend!

Raymond



On 14-05-2020 13:44, Anita Graser wrote:

Dear QGIS mappers,

As you may have noticed, the next release version will be 3.14 and
therefore, we will call it 'Pi'.

Usually our versions are named for community meeting locations and the
splash screen shows a map related to this location.

For 3.14 we are looking for creative maps that capture the essence of
Pi.

All submissions will receive an honorable mention in the release blog
post.

The winner will see their map on the release splash screen and
banner on
qgis.org.

To participate, please submit your maps at
https://forms.gle/DbLL3BfvwYw33qfJ8

The deadline is 31st May 2020.

Regards,

Anita






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Re: [Qgis-user] qgis on IPAD PRO

[Saber Razmjooei]

You can use https://inputapp.io which is based on QGIS and optimised for
touch devices (https://github.com/lutraconsulting/input).

For more tutorial, see:
https://www.lutraconsulting.co.uk/blog/2020/02/14/survey-qgis-input/
https://www.lutraconsulting.co.uk/blog/2020/03/26/recording-tracks-input/

Kind regards
Saber


On Mon, 18 May 2020 at 16:33, Christoph Jung  wrote:

> Hi Giovanni,
>
> There is no iOS-/iPad-App of QGIS. The only possibility to „run QGIS on an
> iPad“ would be Sidecar. But this will only be a mirroring to the iPad.
>
> Sincerely,
> Christoph
>
> > Am 18.05.2020 um 16:29 schrieb Giovanni Rinaldi <
> giovannirinaldi_...@fastwebnet.it>:
> >
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-- 
Saber Razmjooei
www.lutraconsulting.co.uk
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Re: [Qgis-user] qgis on IPAD PRO

[Christoph Jung]

Hi Giovanni,

There is no iOS-/iPad-App of QGIS. The only possibility to „run QGIS on an 
iPad“ would be Sidecar. But this will only be a mirroring to the iPad. 

Sincerely,
Christoph

> Am 18.05.2020 um 16:29 schrieb Giovanni Rinaldi 
> :
> 
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Re: [Qgis-user] Export GeoPDF Mac

[Andreas Neumann]

Hi all,

Seems like you just have to be patient until the MacOS packager finds 
time to upgrade all the dependencies to newer library versions.


This is also dependent on efforts to move the Mac build system from 
homebrew to an independent build system - so it is not just the simple 
upgrading, but the whole Mac build system needs a lot of work.


See also https://github.com/qgis/QGIS-Enhancement-Proposals/issues/177

which was just prepared today to be submitted as a QGIS grant proposal. 
Don't expect this to happen before summer.


Greetings,

Andreas

Am 18.05.20 um 15:53 schrieb Matthew Peters:

Hi Adam,

I was also interested in this capability, but hit the following 
roadblock - which I would be grateful if anyone can help resolve:


The GDAL version (2.4.1) that comes packaged with the all-in-one 
installer for Mac (for QGIS 3.12, 3.10. 3.4) apparently can’t support 
GeoPDF creation, yet I could find no source for the more current GDAL 
 version (3.0+) that is needed. It appears this newer version is 
available for non-Mac installs, but not yet for Mac. Anyone know 
differently? This effectively seems to mean that in fact GeoPDF 
creation is not  currently supported for Mac installs.


Depending on your needs you may find exporting to Geotiff (which does 
work on Mac) as a viable alternative, though it creates larger files. 
For instance, if you want the GeoPDF (geospatial PDF=not the same 
thing) for use in a mobile mapping app like Avenza, then the Geotiff 
is a workable alternative - just make sure to check the box to export 
the associated world file and then bundle this with the tiff in a Zip 
before importing to Avenza.


Here are a couple related threads, but unfortunately there seems to be 
no resolution yet:

https://gis.stackexchange.com/questions/345761/export-geospatial-pdf-from-qgis-on-mac
https://gis.stackexchange.com/questions/354383/updating-gdal-to-3-0-from-2-4-1-on-mac-to-create-geopdfs-in-qgis-3-10

Hope this gets resolved in coming versions, it sure would be nice for 
Mac users to have access this functionality.


Best,
Matt Peters





Message: 1
Date: Sat, 16 May 2020 00:02:27 +0100
From: Adam Sneath mailto:adamsnea...@gmail.com>>
To: qgis-user@lists.osgeo.org 
Subject: [Qgis-user] Export GeoPDF Mac
Message-ID: <97c62762-16f4-441d-ae58-271d78033...@gmail.com 
>

Content-Type: text/plain; charset="utf-8"

Hello there. I want to export a georeferenced PDF from my QGIS 
project, and I am unable to tick the box as I need GDAL 3.0. However, 
my colleague is using windows (I am using a mac) and he is able to 
export as a GeoPDF without any issue, despite him not having GDAL. I 
hoped you could help me towards a solution. Thanks

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Message: 2
Date: Sat, 16 May 2020 11:07:46 +0200
From: Andreas Neumann mailto:a.neum...@carto.net>>
To: qgis-user@lists.osgeo.org 
Subject: Re: [Qgis-user] Export GeoPDF Mac
Message-ID: <421d2695-e6be-6ec4-86c8-212b5fb41...@carto.net 
>

Content-Type: text/plain; charset="windows-1252"; Format="flowed"

Hi Adam,

GDAL is an integral part of QGIS. QGIS doesn't work without GDAL. So I'm
100% sure that your colleague on Windows also has GDAL. Maybe you just
aren't aware of it. If you go to the about screen in the help menu. What
does it say there about GDAL? On your Mac and on the Windows
installation of your colleague?

Also: what QGIS version do you use on the Mac? GeoPDF is relatively new
and you need both a new GDAL and a new QGIS. But normally you don't have
to worry about GDAL. If you use the new MacOS all in one installer, GDAL
should be installed automatically with it. With the older way of
installing QGIS on the Mac you still had to install it separately. Both
approaches have advantages/disadvantages.

Greetings,

Andreas




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[Qgis-user] qgis on IPAD PRO

[Giovanni Rinaldi]

Hello here. Does anyone know if qgis works with Ipad Pro 2020 or if there
are issues?
Thanks
 
Giovanni
 
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