Hello All,
Thanks again for your insights, sorry for the delayed response. Very
helpful to get the different perspectives.
1. Yes, I understand the need for constant development and
improvements. And hence the need for some users to run multiple
installations for comparative purposes. I'm not in that league so
only need something that works reliably.
2. Again, I understand the benefits of using a Linix installation but
at this stage I'm not keen on managing more than one operating
system. In this realm, I would be considered an advanced amateur or
lower-level expert in computer management and GIS so taking on major
challenges is not something I would relish upon waking up each morning.
3. Thanks for some clarity on to installation processes. It would seem
that for the most utility, osgeo4w would be the preferred choice.
It turns out that I had installed 2.8.1 as a standalone and am now
running it successfully. It would seem unlikely that I should fall
back to 2.18?
4. Again, mixed signals here regarding versions, some advise 3.0,
others 2.18, while I am succesfully using 2.8.1. It would seem that
3.0 might be a good idea, would there be any obvious reason not to
migrate?
5. I see that Nicholas makes a good case for osgeo4w.
6. Good advice about backing up data, which I generally do but not
always as frequently as I should. I do appreciate learning
experiences but would prefer to choose those which are the more
satisfying. With my advancing years and very full days, I try to
pick experiences which advance my cause rather than just overcome
bugs. However, there is always value in learning.
7. Yes, I do appreciate the community support and find many problems
are also dealt with in the world of Google.
Thanks again, all thoughts are much appreciated…
Cheers . . . . . Spring Harrison
On 09-Jun-2018 05:31, Nicolas Cadieux wrote:
Hi,
Answers below
Le 9 juin 2018 à 02:06, Springfield Harrison <[email protected]
<mailto:[email protected]>> a écrit :
Hello Responders,
Thanks very much for your suggestions and comments. Very helpful.
I must say though that the last few comments have again underscored
my nervousness about changing anything that isn't completely broken.
Ok but are having problems so things are broken.
Firstly, why are there two installation processes and what is the
purpose of each? This implies making a choice after learning about
the benefits and disadvantages of each. What are the criteria for
choosing one over the other? How long is the process of
understanding the options?
There is the easy install and the OSGEO instal. The latest will give
you more choices, like installing many versions or additional
packages. You can also simply ask it to install all desktop package
without having to ask yourself to many questions. The only
disadvantage is that it does not really provide a good mechanism for
uninstalling Qgis. You sometimes need to do it manually when things
get complicated. That is my preferred install method. I think the
easier Qgis install has a complete remove option usually found in windows.
Secondly, there seems to be no great consensus over the possibility
(or not) of conflicts between simultaneous installations. Again,
this makes me nervous.
According to the Anita Grazer link I sent you, 2 and 3 store the
settling and plugins in different places. Anita is my guru. If she
said it was safe... it is safe! But I also tried it and what she said
is correct. 2 and 3 live together and do not interact but yes, the
problem is real in many cases, just not this time.
Thirdly, why are some operators running two or three simultaneous
installations? Does this mean that the latest version is not
adequate for some tasks?
Some installs are for stable long term support (LTS). Some are
under development (DEV). Qgis3,0 is what they call early adopters (so
it is more likely to have bug but they have all the latest bling).
The nightly builds are version containing the most resent fixes.
Generally speaking, I go with the LTS at work and other versions at home.
All these things give me pause and discourage me from wading in to
something that may have a lengthy learning curve and an unpredictable
outcome. In this case, the devil you know definitely seems to be a
worthy rule of thumb. At least, until it fails utterly.
Fix problems when you have time. Plan for extra time. Backup you data
regularly so if shit hits the fan... you have a copy of all your
files. This is just common good sense computer user practice.
Consider the problems you create and solve as a learning experience
and not an obstacle. Things get much less stressful if you know that
you can only loose time and not your important data.
In that regard, I discovered that at some point I had installed 2.8.1
and, remarkably, it would load my ostensibly corrupt configuration
file. I appear to be back in business.
Therefore your Qgis 2.10 is probably at fault and a update will more
likely give you a more stable environment with better and newer
features. Remember that opening a Qgis project from a higher version
to a Lower version can lead to problems so make sure you add the Qgis
version in the name of the file.
However, this version still bogs down upon loading the various layers
but does not fail after the delay. There are about 100 layers,
mostly vector.
Things have probably improved since... that is why and upgrade is
justified.
Anyway, not sure if this is particularly helpful but is my current
thinking on the upgrading process.
Well we see that this is not easy for you. I sometimes feel the same
sitting in front of a Mac where my reflexes are not as sharp as with
windows. Again, do it if when you have the time, consider this as a
learning experience and not an obstacle. Backup your data when doing
something you are not sure of and use community support.
Thank you all again for your assistance…
Cheers . . . . . Spring Harrison
On 08-Jun-2018 06:25, DelazJ wrote:
Hi,
Years that I'm using the osgeo4w installer (advanced install) with
three concurrent releases minimum (ltr, current release, dev, and
sometimes ltr-dev) and I can't recall on any issue I got due to this
situation.
And afaics there's nothing to be particularly careful of, it's just
about click click click process and all got installed in the
c:\osgeo4w64 folder.
Just wanted to share my experience.
Regards,
Harrissou
2018-06-08 13:49 GMT+02:00 Philip Barlow
<[email protected]
<mailto:[email protected]>>:
AFAIK if you install QGIS with the standalone installer that
just puts the application and everything it needs into a folder
in program files. You may encounter issues if you installed
multiple versions with the osgeo4w installer if you aren’t careful.
*From:*Qgis-user [mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of
*Patrick Dunford
*Sent:* 08 June 2018 11:01
*To:* qgis-user ML
*Subject:* Re: [Qgis-user] Unable to load project
That may be the case for the application. However, depending on
the installation, shared libraries may be overwritten when a new
installation is carried out and cause older software versions to
stop working.
On 08/06/18 20:11, Philip Barlow wrote:
I am happily running 2.18.20, 3.0.3 and 3.1 (nightly builds)
side by side on Windows 10. 2.x and 3.x store their user
settings and plugins in different locations so there are no
conflicts.
Phil
*From:*Qgis-user [mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of
*Patrick Dunford
*Sent:* 08 June 2018 05:02
*To:* qgis-user ML
*Subject:* Re: [Qgis-user] Unable to load project
The Windows version of Qgis allows you to run multiple
versions on your computer side by side. I personally haven't
used the Windows version for several years so I can't be
sure if you will have any issues running 3.0 alongside your
current version. I run many of the editions I have in
virtual machines. If your PC has 8 GB or more of memory, or
if you have access to another computer that can run Linux,
then you can try it out in a Linux virtual machine or
physical computer environment without disturbing your
current installation.
On 08/06/18 07:38, Springfield Harrison wrote:
hello Patrick, thanks for your ideas. I will try the no
plugins option.
The program will run with no project loaded and it will
run older project files but has problems with newer ones
for the same project.
I can load an older project file and then add newer
layers to it and reconfigure them, Etc. This is very
tedious but will amount to a recovery. It is better than
starting from scratch for sure. But will the same
problem reoccur?
I have contemplated migrating to version 3 but I'm
always leery of upgrades of anything as they often bring
problems with them. In this list I notice many
references to installation issues and things not
running. 2.10 is a devil I know.
can I expect any difficulties installing 3.0 +?
Cheers . . . . . Spring
Samsung Tab 4
On Jun 7, 2018 1:30 AM, "Patrick Dunford"
<[email protected]
<mailto:[email protected]>> wrote:
Thre are a number of troubleshooting steps to try out
1. Start up qgis using the -noplugins switch or remove
all installed plugins or test removing one at a time.
2. Backup the config file and start with a new empty config.
Qgis 2.10 is well out of support, is there any reason
you can't migrate to 3.0?
On 07/06/18 18:28, Springfield Harrison wrote:
hello Phil,
I did open the project file in Word, 2033 pages, and
found 13 instances referring to the dxf file. Hard
to say if anything was wrong there, nothing obvious.
At least to me. Some other research I did indicates
that maybe there is an authentication problem, not
sure just what that boils down to.
I don't think the dxf file is the problem. I renamed
it and bypassed it on the startup routine which the
program accepted but it still seized up with a
spinning cursor. Some things still function, such as
modifying the properties of a layer , Etc. But the
screen is blank and nothing can be saved.
For some time I have noticed that loading a project
file bogs down for a while and then would resume to
completion. Now it bogs down and blows up. The key
message seems to be unknown exception.
Some older project files do load successfully however...
Cheers . . . . . Spring
Samsung Tab 4
On Jun 6, 2018 11:15 PM, "Phil Wyatt"
<[email protected]
<mailto:[email protected]>> wrote:
Can you open a copy of the previous project file in
something like notepad and see if anything obvious
can be fixed and or removed in relation to the DXF
layer?
*From:*Qgis-user
[mailto:[email protected]
<mailto:[email protected]>] *On
Behalf Of *Springfield Harrison
*Sent:* Thursday, 7 June 2018 1:36 PM
*To:* [email protected]
<mailto:[email protected]> List
*Subject:* [Qgis-user] Unable to load project
Hello All,
Bad News. I am unable to load a project that
normally works with no problems:
1. QGIS 2.10.1, Windows 7.
2. Project starts to load, loads many layers . . .
3. halts loading "point Entity", a DXF file
4. the DXF file was renamed to trigger the Handle
Bad Layers service
5. this was bypassed but project loading still
fails to complete, cursor spinner on constantly
6. exiting with Save triggers "Unknown Exception"
7. the project file is trashed to 0kb
8. Exiting without Save is OK but no project can be
loaded
9. Restoring previous project file versions yields
the same results
10. Loading some other projects works but may have
cursor spinner
Any ideas what is going on here? I have rebooted
the computer.
Thanks very much . . . .
Cheers . . . . . Springfield Harrison
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