<div dir="ltr">Hello Kirk,<div><br></div><div>Thanks for your response! It's much appreciated. Shouldn't the datum be listed in the Proj4 string or is this not important?</div><div><br></div><div>Thanks again!</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Feb 26, 2020 at 8:05 AM <<a href="mailto:qgis-user-request@lists.osgeo.org">qgis-user-request@lists.osgeo.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Send Qgis-user mailing list submissions to<br>
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Today's Topics:<br>
<br>
1. Transformations & Projections (glarivie .)<br>
2. Re: QGIS uninstalled after GDAL PPA install (Andre Joost)<br>
3. Second Call For A New Training Course - An Introduction To<br>
Integrating QGIS/GIS And R For Spatial Analysis (Colin D. MacLeod)<br>
4. Re: QGIS uninstalled after GDAL PPA install (J. M)<br>
5. Re: QGIS uninstalled after GDAL PPA install (J. M)<br>
6. Re: Geopackage decimal lenght and precision not available<br>
(Patrick St-Hilaire)<br>
7. Re: Second Call For A New Training Course - An Introduction<br>
To Integrating QGIS/GIS And R For Spatial Analysis (Håvard Tveite)<br>
8. Re: Transformations & Projections (Kirk Schmidt)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Wed, 26 Feb 2020 04:59:36 -0700<br>
From: "glarivie ." <<a href="mailto:glarivie@gmail.com" target="_blank">glarivie@gmail.com</a>><br>
To: <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: [Qgis-user] Transformations & Projections<br>
Message-ID:<br>
<<a href="mailto:CAJgewMjmpicrnk_JzdUi0z0f5oXUxadBgxsouaPDk1J%2B7zbpzA@mail.gmail.com" target="_blank">CAJgewMjmpicrnk_JzdUi0z0f5oXUxadBgxsouaPDk1J+7zbpzA@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Hello,<br>
<br>
I'm pretty new to QGis, so I'm sure this is basic but I was hoping someone<br>
could walk me through this using version 3.4. I have csv data that's in<br>
both WGS84 and NAD83. The desired end-projection is EPSG: 6350 NAD83(2011)<br>
Conus Albers. I've loaded each into a blank QGis project (separately) and<br>
saved as shapefiles in the target CRS. I then need to perform some<br>
interpolations using the data.<br>
<br>
My question is, have I missed a step? Do I need to perform a separate step<br>
to transform the datum (particularly the WGS84 data). Since 3.4 uses PROJ<br>
5.2, I was assuming that the step where I "save as" in the target CRS takes<br>
care of both the datum transformation and the projection. Is this<br>
assumption correct? If so, what default transformation is taking place and<br>
is there a way for me to determine what it is?<br>
<br>
Thanks so much for your help! I'm, unfortunately, a little stumped here.<br>
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Message: 2<br>
Date: Wed, 26 Feb 2020 13:02:29 +0100<br>
From: Andre Joost <<a href="mailto:andre%2Bjoost@nurfuerspam.de" target="_blank">andre+joost@nurfuerspam.de</a>><br>
To: <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: Re: [Qgis-user] QGIS uninstalled after GDAL PPA install<br>
Message-ID: <r35mqo$73g$<a href="mailto:1@ciao.gmane.io" target="_blank">1@ciao.gmane.io</a>><br>
Content-Type: text/plain; charset=utf-8; format=flowed<br>
<br>
Am 26.02.20 um 11:54 schrieb J. M:<br>
<br>
> Okay, one last question:<br>
> And add "python3-qgis" to your install command.<br>
> I don't know enough about linux syntax to include this without dropping the<br>
> ball.<br>
> Maybe 'sudo apt-get install qgis qgis-plugin-grass python3-qgis'?<br>
<br>
Yes, exactly.<br>
But before, make sure to have the right GDAL lib with<br>
<br>
apt-cache policy libgdal20<br>
<br>
Else you would not come further.<br>
<br>
HTH,<br>
Andre Joost<br>
<br>
<br>
<br>
<br>
------------------------------<br>
<br>
Message: 3<br>
Date: Wed, 26 Feb 2020 12:11:49 -0000<br>
From: "Colin D. MacLeod" <cdmacleod@GISinEcology.com><br>
To: "<a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a>" <<a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a>><br>
Subject: [Qgis-user] Second Call For A New Training Course - An<br>
Introduction To Integrating QGIS/GIS And R For Spatial Analysis<br>
Message-ID: <7498C339358C41939A6C8A4EEC6CB617@House1><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
This is the second call for a brand new training course from GIS In Ecology. It's called 'An Introduction To Integrating QGIS.GIS and R For Spatial Analysis' and will be held in Glasgow, Scotland, between the 7th and 9th of April 2020. This course is aimed at those who wish to learn how to use and integrate QGIS (the leading freely available GIS software package) and R (the leading freely available data analysis software package) for spatial analysis. It will be taught by Dr. Colin D. MacLeod, the author of ‘An Introduction To Integrating QGIS And R for Spatial Analysis’ (Pictish Beast Publications) and a renowned expert in using GIS in biological and ecological research. He is also a co-author of the upcoming ‘An Introduction To Basic Statistics For Biologists Using R’, which is a practical guide to carrying out the analysis of biological data in R. The course assumes no prior knowledge of either QGIS/GIS or R, and so is open to complete beginners as well as those how know how to use one of these software packages, and wish to learn how to integrate it with the other.<br>
<br>
Attendance will be limited to a maximum of 16 people. The course for this three day course will cost GBP 395 per person (with a discounted rate of GBP 300 for students, the unwaged and those working for registered charities). To book a place, or for more information, visit <a href="http://gisinecology.com/an-introduction-to-integrating-qgis-gis-and-r-for-spatial-analysis/" rel="noreferrer" target="_blank">http://gisinecology.com/an-introduction-to-integrating-qgis-gis-and-r-for-spatial-analysis/</a> or email info@GISinEcology.com.<br>
<br>
GIS and statistical analysis are two of the most fundamental software tools for modern biologists wishing to conduct spatial analyses. However, each have their own sets of software packages, and sometimes it can be difficult to know how to integrate the two. This course will provide an introduction to the integration of QGIS (the leading freely available GIS software package) and R (the leading data analysis software packages used by biologists) to create a combined tool set that makes the most of the strengths of each of these individual software packages. It will consist of a series of background sessions on using GIS and R for spatial analysis, mixed in with practical sessions where you will learn how to use QGIS, how to use R, and how to integrate two to complete a spatial analysis project. This last part will include working through an example project, starting with creating a high quality map for publication through creating raster data layers of environmental variables, joining data together based on their spatial relationships and analysing the combined data set using R (including creating summary statistics, conducting linear regressions and conducting generalised additive modelling - GAMs). While it will primarily be based around QGIS, this course is taught using software-independent approach, and it is also open to those who wish to learn how to use ArcGIS to do biological GIS.<br>
<br>
When you attend this course you will receive a free copy of An Introduction To Integrating QGIS And R for Spatial Analysis (GIS For Biologists Workbooks) as the practical exercises in that course are based on the ones contained in that book. NOTE: If you wish to use ArcGIS software for this course, alternative materials will be provided for the practical sessions.<br>
<br>
==================================================================================<br>
GIS IN ECOLOGY - Providing Training, Advice And Consultancy On The Use Of GIS In Ecology<br>
<br>
Web: <a href="http://www.GISinEcology.com" rel="noreferrer" target="_blank">www.GISinEcology.com</a> Email: info@GISinEcology.com<br>
<br>
Need to ask a question about using GIS? Try the GIS In Ecology Forum: <a href="http://www.GISinEcology.com/GIS_in_Ecology_forum.htm" rel="noreferrer" target="_blank">www.GISinEcology.com/GIS_in_Ecology_forum.htm</a><br>
<br>
Books From GIS In Ecology Staff:<br>
<br>
GIS For Biologists: A Practical Introduction For Undergraduates; RRP: £24.99<br>
An Introduction To Using GIS In Marine Biology; RRP: £44.99<br>
An Introduction To Using GIS In Marine Biology: Supplementary Workbook One - Creating Maps Of Species Distribution; RRP: £19:99 <br>
<br>
If you wish to purchase these books, visit: <a href="http://www.gisinecology.com/Book_Shop.htm" rel="noreferrer" target="_blank">http://www.gisinecology.com/Book_Shop.htm</a><br>
<br>
To help the environment, please do not print out this email unless it is unavoidable.<br>
==================================================================================<br>
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<br>
Message: 4<br>
Date: Wed, 26 Feb 2020 13:34:52 +0100<br>
From: "J. M" <<a href="mailto:jimimckay@gmail.com" target="_blank">jimimckay@gmail.com</a>><br>
To: Andre Joost <<a href="mailto:andre%2Bjoost@nurfuerspam.de" target="_blank">andre+joost@nurfuerspam.de</a>>,<br>
<a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: Re: [Qgis-user] QGIS uninstalled after GDAL PPA install<br>
Message-ID:<br>
<CACFPUCX35mQ+xSRedg7=-<a href="mailto:WA2uBiCWGNhj-p44%2BM6CySdB0uSGw@mail.gmail.com" target="_blank">WA2uBiCWGNhj-p44+M6CySdB0uSGw@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Okay great! Thanks a lot, I'll try that!<br>
<br>
Cheers,<br>
Jimi.<br>
<br>
On Wed, Feb 26, 2020 at 1:03 PM Andre Joost <<a href="mailto:andre%2Bjoost@nurfuerspam.de" target="_blank">andre+joost@nurfuerspam.de</a>><br>
wrote:<br>
<br>
> Am 26.02.20 um 11:54 schrieb J. M:<br>
><br>
> > Okay, one last question:<br>
> > And add "python3-qgis" to your install command.<br>
> > I don't know enough about linux syntax to include this without dropping<br>
> the<br>
> > ball.<br>
> > Maybe 'sudo apt-get install qgis qgis-plugin-grass python3-qgis'?<br>
><br>
> Yes, exactly.<br>
> But before, make sure to have the right GDAL lib with<br>
><br>
> apt-cache policy libgdal20<br>
><br>
> Else you would not come further.<br>
><br>
> HTH,<br>
> Andre Joost<br>
><br>
><br>
> _______________________________________________<br>
> Qgis-user mailing list<br>
> <a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a><br>
> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
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<br>
Message: 5<br>
Date: Wed, 26 Feb 2020 14:55:31 +0100<br>
From: "J. M" <<a href="mailto:jimimckay@gmail.com" target="_blank">jimimckay@gmail.com</a>><br>
To: Andre Joost <<a href="mailto:andre%2Bjoost@nurfuerspam.de" target="_blank">andre+joost@nurfuerspam.de</a>>,<br>
<a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: Re: [Qgis-user] QGIS uninstalled after GDAL PPA install<br>
Message-ID:<br>
<CACFPUCU=bBHfhfO-c=<a href="mailto:uzcMK7i7NsroCa2yxoO13NdYOuzXvpoA@mail.gmail.com" target="_blank">uzcMK7i7NsroCa2yxoO13NdYOuzXvpoA@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Hiya Andre,<br>
<br>
More syntax problems maybe, but I get this:<br>
apt-cache policy libgdal20<br>
libgdal20:<br>
Installed: (none)<br>
Candidate: 2.4.2+dfsg-1~bionic0<br>
Version table:<br>
2.4.2+dfsg-1~bionic0 500<br>
500 <a href="http://ppa.launchpad.net/ubuntugis/ppa/ubuntu" rel="noreferrer" target="_blank">http://ppa.launchpad.net/ubuntugis/ppa/ubuntu</a> bionic/main amd64<br>
Packages<br>
2.2.3+dfsg-2 500<br>
500 <a href="http://es.archive.ubuntu.com/ubuntu" rel="noreferrer" target="_blank">http://es.archive.ubuntu.com/ubuntu</a> bionic/universe amd64<br>
Packages<br>
jimi@jimi-System-Product-Name:~$ sudo apt-get install apt-cache policy<br>
libgdal20[sudo] password for jimi:<br>
Reading package lists... Done<br>
Building dependency tree<br>
Reading state information... Done<br>
E: Unable to locate package apt-cache<br>
E: Unable to locate package policy<br>
<br>
What commands do I need to get the right cache?<br>
Cheers,<br>
Jimi.<br>
<br>
On Wed, Feb 26, 2020 at 1:34 PM J. M <<a href="mailto:jimimckay@gmail.com" target="_blank">jimimckay@gmail.com</a>> wrote:<br>
<br>
> Okay great! Thanks a lot, I'll try that!<br>
><br>
> Cheers,<br>
> Jimi.<br>
><br>
> On Wed, Feb 26, 2020 at 1:03 PM Andre Joost <<a href="mailto:andre%2Bjoost@nurfuerspam.de" target="_blank">andre+joost@nurfuerspam.de</a>><br>
> wrote:<br>
><br>
>> Am 26.02.20 um 11:54 schrieb J. M:<br>
>><br>
>> > Okay, one last question:<br>
>> > And add "python3-qgis" to your install command.<br>
>> > I don't know enough about linux syntax to include this without dropping<br>
>> the<br>
>> > ball.<br>
>> > Maybe 'sudo apt-get install qgis qgis-plugin-grass python3-qgis'?<br>
>><br>
>> Yes, exactly.<br>
>> But before, make sure to have the right GDAL lib with<br>
>><br>
>> apt-cache policy libgdal20<br>
>><br>
>> Else you would not come further.<br>
>><br>
>> HTH,<br>
>> Andre Joost<br>
>><br>
>><br>
>> _______________________________________________<br>
>> Qgis-user mailing list<br>
>> <a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a><br>
>> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
>> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
><br>
><br>
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<br>
Message: 6<br>
Date: Wed, 26 Feb 2020 09:27:18 -0500<br>
From: Patrick St-Hilaire <<a href="mailto:ps.vlachute@gmail.com" target="_blank">ps.vlachute@gmail.com</a>><br>
To: Bernd Vogelgesang <<a href="mailto:bernd.vogelgesang@gmx.de" target="_blank">bernd.vogelgesang@gmx.de</a>><br>
Cc: <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: Re: [Qgis-user] Geopackage decimal lenght and precision not<br>
available<br>
Message-ID:<br>
<CAP_hrOE8H5d63JV50+YWGQ3ubkBqP9=YZ=<a href="mailto:HFLbzGef-pif1WOQ@mail.gmail.com" target="_blank">HFLbzGef-pif1WOQ@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
I solved the problem with this function<br>
<br>
round("ELEV",2)<br>
<br>
Le mar. 25 févr. 2020 à 14:55, Bernd Vogelgesang <<a href="mailto:bernd.vogelgesang@gmx.de" target="_blank">bernd.vogelgesang@gmx.de</a>><br>
a écrit :<br>
<br>
> As far as I know sqlite-based formats do not need such settings. I think<br>
> the need to do so in Shape files derives from those ancient times when each<br>
> byte of memory was so expensive, that you had to squeeze your data to the<br>
> lowest footprint possible.<br>
> Am 25.02.20 um 20:23 schrieb Patrick St-Hilaire:<br>
><br>
> Hi,<br>
><br>
> I started using geopackage instead of shapefile, but I can't use length and<br>
> precision decimal with geopackage. Is this normal? See image screenshot<br>
><br>
> It's in french language<br>
><br>
> I use the 3.4.5 Qgis version.<br>
><br>
><br>
><br>
> _______________________________________________<br>
> Qgis-user mailing <a href="mailto:listQgis-user@lists.osgeo.org" target="_blank">listQgis-user@lists.osgeo.org</a><br>
> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
><br>
> _______________________________________________<br>
> Qgis-user mailing list<br>
> <a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a><br>
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<br>
Message: 7<br>
Date: Wed, 26 Feb 2020 14:42:10 +0000<br>
From: Håvard Tveite <<a href="mailto:havard.tveite@nmbu.no" target="_blank">havard.tveite@nmbu.no</a>><br>
To: "Colin D. MacLeod" <cdmacleod@GISinEcology.com>,<br>
"<a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a>" <<a href="mailto:Qgis-user@lists.osgeo.org" target="_blank">Qgis-user@lists.osgeo.org</a>><br>
Subject: Re: [Qgis-user] Second Call For A New Training Course - An<br>
Introduction To Integrating QGIS/GIS And R For Spatial Analysis<br>
Message-ID: <<a href="mailto:2dc5cd0cdd3a43af91f66e332a95f530@EXCH-MBX03.NMBU.NO" target="_blank">2dc5cd0cdd3a43af91f66e332a95f530@EXCH-MBX03.NMBU.NO</a>><br>
Content-Type: text/plain; charset="Windows-1252"<br>
<br>
Hi Colin,<br>
<br>
R script support was added to the QGIS Resource Sharing<br>
plugin recently.<br>
<br>
I have also updated some of the scripts in the QGIS 2<br>
online collection to sf and made them available through the<br>
official QGIS Resource Sharing repository.<br>
<br>
You (and your students) can download these updated scripts by<br>
choosing "QGIS R script collection" in the "All" tab of the<br>
QGIS Resource Sharing plugin and clicking on "Install".<br>
The scripts should immediately become available under<br>
R in the Processing Toolbox.<br>
<br>
If you would like to use the QGIS 2 R script collection, it<br>
can be found as "QGIS R script collection (from QGIS 2)".<br>
Scripts that have Spatial types as input or output won't work<br>
without modifications.<br>
<br>
If you update some of the QGIS 2 scripts and would like to<br>
add them to the official QGIS Resource Sharing collection<br>
for the course, just send them to me, and I will do my best<br>
to get them included asap.<br>
<br>
A "User manual" for the QGIS Resource Sharing plugin can<br>
be found on:<br>
<a href="http://qgis-contribution.github.io/QGIS-ResourceSharing/" rel="noreferrer" target="_blank">http://qgis-contribution.github.io/QGIS-ResourceSharing/</a><br>
<br>
Good luck with your course!<br>
<br>
<br>
Regards,<br>
<br>
Håvard<br>
<br>
<br>
On 26.02.2020 13:14, Colin D. MacLeod wrote:<br>
> This is the second call for a brand new training course from GIS In <br>
> Ecology. It's called 'An Introduction To Integrating QGIS.GIS and R For <br>
> Spatial Analysis' and will be held in Glasgow, Scotland, between the 7th <br>
> and 9th of April 2020. This course is aimed at those who wish to learn <br>
> how to use and integrate QGIS (the leading freely available GIS software <br>
> package) and R (the leading freely available data analysis software <br>
> package) for spatial analysis. It will be taught by Dr. Colin D. <br>
> MacLeod, the author of ‘An Introduction To Integrating QGIS And R for <br>
> Spatial Analysis <br>
> <<a href="http://gisinecology.com/an-introduction-to-integrating-qgis-and-r-for-spatial-analysis-gis-for-biologists-workbooks-series/" rel="noreferrer" target="_blank">http://gisinecology.com/an-introduction-to-integrating-qgis-and-r-for-spatial-analysis-gis-for-biologists-workbooks-series/</a>>’ <br>
> (Pictish Beast Publications) and a renowned expert in using GIS in <br>
> biological and ecological research. He is also a co-author of the <br>
> upcoming ‘An Introduction To Basic Statistics For Biologists Using R’, <br>
> which is a practical guide to carrying out the analysis of biological <br>
> data in R. The course assumes no prior knowledge of either QGIS/GIS or <br>
> R, and so is open to complete beginners as well as those how know how to <br>
> use one of these software packages, and wish to learn how to integrate <br>
> it with the other.<br>
> <br>
> Attendance will be limited to a maximum of 16 people. The course for <br>
> this three day course will cost GBP 395 per person (with a discounted <br>
> rate of GBP 300 for students, the unwaged and those working for <br>
> registered charities). To book a place, or for more information, visit <br>
> <a href="http://gisinecology.com/an-introduction-to-integrating-qgis-gis-and-r-for-spatial-analysis/" rel="noreferrer" target="_blank">http://gisinecology.com/an-introduction-to-integrating-qgis-gis-and-r-for-spatial-analysis/</a> <br>
> or email info@GISinEcology.com <mailto:<a href="mailto:info@GISinEcology.com" target="_blank">info@GISinEcology.com</a>>.<br>
> <br>
> GIS and statistical analysis are two of the most fundamental software <br>
> tools for modern biologists wishing to conduct spatial analyses. <br>
> However, each have their own sets of software packages, and sometimes it <br>
> can be difficult to know how to integrate the two. This course will <br>
> provide an introduction to the integration of QGIS (the leading freely <br>
> available GIS software package) and R (the leading data analysis <br>
> software packages used by biologists) to create a combined tool set that <br>
> makes the most of the strengths of each of these individual software <br>
> packages. It will consist of a series of background sessions on using <br>
> GIS and R for spatial analysis, mixed in with practical sessions where <br>
> you will learn how to use QGIS, how to use R, and how to integrate two <br>
> to complete a spatial analysis project. This last part will include <br>
> working through an example project, starting with creating a high <br>
> quality map for publication through creating raster data layers of <br>
> environmental variables, joining data together based on their spatial <br>
> relationships and analysing the combined data set using R (including <br>
> creating summary statistics, conducting linear regressions and <br>
> conducting generalised additive modelling - GAMs). While it will <br>
> primarily be based around QGIS, this course is taught using <br>
> software-independent approach, and it is also open to those who wish to <br>
> learn how to use ArcGIS to do biological GIS.<br>
> <br>
> When you attend this course you will receive a free copy of An <br>
> Introduction To Integrating QGIS And R for Spatial Analysis <br>
> <<a href="http://gisinecology.com/an-introduction-to-integrating-qgis-and-r-for-spatial-analysis-gis-for-biologists-workbooks-series/" rel="noreferrer" target="_blank">http://gisinecology.com/an-introduction-to-integrating-qgis-and-r-for-spatial-analysis-gis-for-biologists-workbooks-series/</a>> <br>
> (GIS For Biologists Workbooks) as the practical exercises in that course <br>
> are based on the ones contained in that book. *NOTE:* If you wish to use <br>
> ArcGIS software for this course, alternative materials will be provided <br>
> for the practical sessions.<br>
> <br>
> ==================================================================================<br>
> GIS IN ECOLOGY - Providing Training, Advice And Consultancy On The Use <br>
> Of GIS In Ecology<br>
> <br>
> Web: <a href="http://www.GISinEcology.com" rel="noreferrer" target="_blank">www.GISinEcology.com</a> Email: info@GISinEcology.com<br>
> <br>
> Need to ask a question about using GIS? Try the GIS In Ecology Forum: <br>
> <a href="http://www.GISinEcology.com/GIS_in_Ecology_forum.htm" rel="noreferrer" target="_blank">www.GISinEcology.com/GIS_in_Ecology_forum.htm</a><br>
> <br>
> Books From GIS In Ecology Staff:<br>
> <br>
> GIS For Biologists: A Practical Introduction For Undergraduates; RRP: £24.99<br>
> An Introduction To Using GIS In Marine Biology; RRP: £44.99<br>
> An Introduction To Using GIS In Marine Biology: Supplementary Workbook <br>
> One - Creating Maps Of Species Distribution; RRP: £19:99<br>
> <br>
> If you wish to purchase these books, visit: <br>
> <a href="http://www.gisinecology.com/Book_Shop.htm" rel="noreferrer" target="_blank">http://www.gisinecology.com/Book_Shop.htm</a><br>
> <br>
> To help the environment, please do not print out this email unless it is <br>
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> ==================================================================================<br>
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<br>
------------------------------<br>
<br>
Message: 8<br>
Date: Wed, 26 Feb 2020 10:57:50 -0400<br>
From: Kirk Schmidt <<a href="mailto:kirk@nortekresources.com" target="_blank">kirk@nortekresources.com</a>><br>
To: <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: Re: [Qgis-user] Transformations & Projections<br>
Message-ID: <<a href="mailto:1ac4b1da-242e-d5e9-f486-45fc6ea79467@nortekresources.com" target="_blank">1ac4b1da-242e-d5e9-f486-45fc6ea79467@nortekresources.com</a>><br>
Content-Type: text/plain; charset="utf-8"; Format="flowed"<br>
<br>
Hello Glarivie:<br>
<br>
I just did a quick test to convert from NAD83 to Conus albers. When yous <br>
elect your CRS for the exported data, the converston parameters are <br>
shown at the bottom of the CRS selector window. In my case :<br>
<br>
Extent: -124.79, 24.41, -66.91, 49.38<br>
<br>
Proj4: +proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 <br>
+y_0=0 +ellps=GRS80 +units=m +no_defs<br>
<br>
<br>
This shows you the bounds of the new CRS as well as the default <br>
ellipsoid for Conus Albers. I this case there is no scaling (k=0) and <br>
no false eastings or northings applied.<br>
<br>
<br>
I hope this helps.<br>
<br>
<br>
-- <br>
Kirk Schmidt, MScF, BScF, RPF<br>
General Manager<br>
Nortek Resource Solutions Inc.<br>
RR # 1<br>
Thorburn, NS<br>
B0K 1W0<br>
Tel (902) 922.3607<br>
Email: <a href="mailto:kirk@nortekresources.com" target="_blank">kirk@nortekresources.com</a><br>
Web: <a href="http://www.nortekresources.com" rel="noreferrer" target="_blank">www.nortekresources.com</a><br>
<br>
<br>
<br>
On 2/26/2020 7:59 AM, glarivie . wrote:<br>
> Hello,<br>
><br>
> I'm pretty new to QGis, so I'm sure this is basic but I was hoping <br>
> someone could walk me through this using version 3.4. I have csv data <br>
> that's in both WGS84 and NAD83. The desired end-projection is EPSG: <br>
> 6350 NAD83(2011) Conus Albers. I've loaded each into a blank QGis <br>
> project (separately) and saved as shapefiles in the target CRS. I then <br>
> need to perform some interpolations using the data.<br>
><br>
> My question is, have I missed a step? Do I need to perform a separate <br>
> step to transform the datum (particularly the WGS84 data). Since 3.4 <br>
> uses PROJ 5.2, I was assuming that the step where I "save as" in the <br>
> target CRS takes care of both the datum transformation and the <br>
> projection. Is this assumption correct? If so, what default <br>
> transformation is taking place and is there a way for me to determine <br>
> what it is?<br>
><br>
> Thanks so much for your help! I'm, unfortunately, a little stumped here.<br>
><br>
> _______________________________________________<br>
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<br>
-- <br>
Kirk Schmidt, MScF, BScF, RPF<br>
General Manager<br>
Nortek Resource Solutions Inc.<br>
RR # 1<br>
Thorburn, NS<br>
B0K 1W0<br>
Tel (902) 922.3607<br>
Email: <a href="mailto:kirk@nortekresources.com" target="_blank">kirk@nortekresources.com</a><br>
Web: <a href="http://www.nortekresources.com" rel="noreferrer" target="_blank">www.nortekresources.com</a><br>
<br>
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