Re: [Qgis-developer] QGIS indexing data when editing

[Nicolas Rochard]

Thanks for these information.
As I need to review 2.5D render, I will also look at this improvement 
and do a feedback.


Thanks a lot

Best,

Nicolas Rochard
Administrateur SIG
Agence de développement et d'urbanisme du Grand Amiénois
tel. 03 22 22 31 68
http://www.aduga.org

Le 28/01/2016 18:21, Martin Dobias a écrit :

On Thu, Aug 13, 2015 at 12:12 PM, Vincent Picavet (ml)
 wrote:

Hello,

30s freeze is something which seems rather unpleasant for the user.

Could we imagine to do the indexing in background ?

And maybe indexing only what is currently in the user's extent, if this
is not what is currently done ?

Indexing a whole layer for editing seems a no-go. We should maybe have a
way to get the user to use the indexing tools only when zoomed in ?

Coming back to this old thread - the issue was reported in #12578 -
and it should be fixed now in master. There should not be a long pause
nor high memory usage for big layers anymore - indexing is done on a
reasonably small area (which may be still much larger than your
current extent - so it is not necessary to re-index after every
zoom/pan). Let me know if you still encounter some problems or have
some new problems due to the changes.

Cheers
Martin


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Re: [Qgis-developer] QGIS indexing data when editing

[Martin Dobias]

On Thu, Aug 13, 2015 at 12:12 PM, Vincent Picavet (ml)
 wrote:
> Hello,
>
> 30s freeze is something which seems rather unpleasant for the user.
>
> Could we imagine to do the indexing in background ?
>
> And maybe indexing only what is currently in the user's extent, if this
> is not what is currently done ?
>
> Indexing a whole layer for editing seems a no-go. We should maybe have a
> way to get the user to use the indexing tools only when zoomed in ?

Coming back to this old thread - the issue was reported in #12578 -
and it should be fixed now in master. There should not be a long pause
nor high memory usage for big layers anymore - indexing is done on a
reasonably small area (which may be still much larger than your
current extent - so it is not necessary to re-index after every
zoom/pan). Let me know if you still encounter some problems or have
some new problems due to the changes.

Cheers
Martin
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Re: [Qgis-developer] QGIS indexing data when editing

[Rémi Bovard]

Hello,

I was confronted to the same issue and was wondering why this message
appeared. Thanks to Denis, I now understand the reason.

I tried to disable snapping, save the project and restart QGIS, this
behaviour is still present when I want to insert a new feature. Can somebody
else confirm that?

Thanks.

Rémi



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Re: [Qgis-developer] QGIS indexing data when editing

[Vincent Picavet (ml)]

Hello,

30s freeze is something which seems rather unpleasant for the user.

Could we imagine to do the indexing in background ?

And maybe indexing only what is currently in the user's extent, if this
is not what is currently done ?

Indexing a whole layer for editing seems a no-go. We should maybe have a
way to get the user to use the indexing tools only when zoomed in ?

Vincent

On 13/08/2015 07:38, Denis Rouzaud wrote:
 Dear Nicolas,
 
 The indexing is used for snapping in the application.
 It takes a few sec when enable the first tool, but snapping is much
 faster later on.
 
 Best wishes,
 Denis
 
 On 08/12/2015 02:30 PM, Doctor Who wrote:
 Hello,

 I'm using QGIS 2.10.1 and 2.8.3 with PostGreSQL 9.3 and PostGIS 2.5 under
 Linux openSUSE 13.2 64bits.
 A strange things appear since i've move from PostGreSQL 9.1 - 9.3

 Each time I open a layer for editing, when I selected any tools (node
 tools
 or creation entity tools), QGIS freeze about 30 sec and display 'indexing
 data' progress bar. (memory of my computer grow up in same time)
 After that, I could editing my data, close it and reopen editing session
 whithout any problem or any crash.
 But if I close my project and reopen it, again indexing data when I
 want to
 edit a layer.

 I've seen that new thing under a small layer (90 entities) and bigger one
 (about 250 000 objects), same things for Polygon or Point geometry.
 I've a primary key constraint and a spatial index.

 Have you already see that somewhere else ? I can't find why as it never
 happens before.

 Best regards,

 Nicolas



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 Founder and main administrator of forumSIG

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Re: [Qgis-developer] QGIS indexing data when editing

[Doctor Who]

Dear Denis,

That's clear for me now. Thanks for your answer !
You're right, I feel edition with snapping much smoother than old editing
session.

Best regards.

Nicolas



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Re: [Qgis-developer] QGIS indexing data when editing

[Denis Rouzaud]

On 08/13/2015 12:12 PM, Vincent Picavet (ml) wrote:

Hello,

30s freeze is something which seems rather unpleasant for the user.
I am not experiencing such freeze. With a project with ~100 layers, with 
10 having more than 10k features, I have something around 2 to 3 seconds.

I beleive this is reasonable.


Could we imagine to do the indexing in background ?
Indexing is started when an editing map tools (or I believe any snapping 
operation) is enabled.
Since it is required on mouse events, it needs to freeze the app in the 
mean time.


And maybe indexing only what is currently in the user's extent, if this
is not what is currently done ?
Would be an idea, although I am not sure this is really required. Nobody 
complained very much yet about this.

Martin would have to answer for saying if it's feasible or not.


Indexing a whole layer for editing seems a no-go. We should maybe have a
way to get the user to use the indexing tools only when zoomed in ?

Vincent

On 13/08/2015 07:38, Denis Rouzaud wrote:

Dear Nicolas,

The indexing is used for snapping in the application.
It takes a few sec when enable the first tool, but snapping is much
faster later on.

Best wishes,
Denis

On 08/12/2015 02:30 PM, Doctor Who wrote:

Hello,

I'm using QGIS 2.10.1 and 2.8.3 with PostGreSQL 9.3 and PostGIS 2.5 under
Linux openSUSE 13.2 64bits.
A strange things appear since i've move from PostGreSQL 9.1 - 9.3

Each time I open a layer for editing, when I selected any tools (node
tools
or creation entity tools), QGIS freeze about 30 sec and display 'indexing
data' progress bar. (memory of my computer grow up in same time)
After that, I could editing my data, close it and reopen editing session
whithout any problem or any crash.
But if I close my project and reopen it, again indexing data when I
want to
edit a layer.

I've seen that new thing under a small layer (90 entities) and bigger one
(about 250 000 objects), same things for Polygon or Point geometry.
I've a primary key constraint and a spatial index.

Have you already see that somewhere else ? I can't find why as it never
happens before.

Best regards,

Nicolas



-
--

GIS administrator in Urban Agency of the Greater Amiens

Founder and main administrator of forumSIG

   --
View this message in context:
http://osgeo-org.1560.x6.nabble.com/QGIS-indexing-data-when-editing-tp5219525.html

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Re: [Qgis-developer] QGIS indexing data when editing

[Denis Rouzaud]

On 08/13/2015 04:28 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:04, Denis Rouzaud a écrit :

on my project, a progress appears, but there's a threshold around
about 2 seconds (i.e. appears only when it takes a certain time).
which version of QGIS are you using?
the progress bar was added a bit later than the snapping refactoring.



2.8.1 (I can't try 2.10, the next possible update will be in january 
2016)


should be in 2.8
https://github.com/qgis/QGIS/commit/e22edc82ef9b27875f78bf28de0d50ffa83eb5e7

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Re: [Qgis-developer] QGIS indexing data when editing

[Denis Rouzaud]

On 08/13/2015 04:37 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:31, Denis Rouzaud a écrit :

On 08/13/2015 04:28 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:04, Denis Rouzaud a écrit :

on my project, a progress appears, but there's a threshold around
about 2 seconds (i.e. appears only when it takes a certain time).
which version of QGIS are you using?
the progress bar was added a bit later than the snapping refactoring.



2.8.1 (I can't try 2.10, the next possible update will be in january 
2016)


should be in 2.8
https://github.com/qgis/QGIS/commit/e22edc82ef9b27875f78bf28de0d50ffa83eb5e7 



I made a new try but couldn't see any progress bar, the only thing is 
the cursor in load mode and a message at the end in the bottom left 
corner saying that the validation is over.


Is this one big layer or several?
From what I read, you'll see the progress over several layers but not 
within a single layer.


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Re: [Qgis-developer] QGIS indexing data when editing

[Jean-Roc Morreale]

Le 2015-08-13 16:31, Denis Rouzaud a écrit :

On 08/13/2015 04:28 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:04, Denis Rouzaud a écrit :

on my project, a progress appears, but there's a threshold around
about 2 seconds (i.e. appears only when it takes a certain time).
which version of QGIS are you using?
the progress bar was added a bit later than the snapping refactoring.



2.8.1 (I can't try 2.10, the next possible update will be in january 
2016)


should be in 2.8
https://github.com/qgis/QGIS/commit/e22edc82ef9b27875f78bf28de0d50ffa83eb5e7


I made a new try but couldn't see any progress bar, the only thing is 
the cursor in load mode and a message at the end in the bottom left 
corner saying that the validation is over.

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Re: [Qgis-developer] QGIS indexing data when editing

[Jean-Roc Morreale]

Le 2015-08-13 16:40, Denis Rouzaud a écrit :

On 08/13/2015 04:37 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:31, Denis Rouzaud a écrit :

On 08/13/2015 04:28 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:04, Denis Rouzaud a écrit :

on my project, a progress appears, but there's a threshold around
about 2 seconds (i.e. appears only when it takes a certain time).
which version of QGIS are you using?
the progress bar was added a bit later than the snapping 
refactoring.




2.8.1 (I can't try 2.10, the next possible update will be in january 
2016)


should be in 2.8
https://github.com/qgis/QGIS/commit/e22edc82ef9b27875f78bf28de0d50ffa83eb5e7


I made a new try but couldn't see any progress bar, the only thing is 
the cursor in load mode and a message at the end in the bottom left 
corner saying that the validation is over.


Is this one big layer or several?
From what I read, you'll see the progress over several layers but not
within a single layer.


At first with one but I made a new try with 4 four layers, all in 
editing mode with snapping activated and use the node selector on one

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Re: [Qgis-developer] QGIS indexing data when editing

[Denis Rouzaud]

On 08/13/2015 04:49 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:40, Denis Rouzaud a écrit :

On 08/13/2015 04:37 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:31, Denis Rouzaud a écrit :

On 08/13/2015 04:28 PM, Jean-Roc Morreale wrote:

Le 2015-08-13 16:04, Denis Rouzaud a écrit :

on my project, a progress appears, but there's a threshold around
about 2 seconds (i.e. appears only when it takes a certain time).
which version of QGIS are you using?
the progress bar was added a bit later than the snapping 
refactoring.




2.8.1 (I can't try 2.10, the next possible update will be in 
january 2016)


should be in 2.8
https://github.com/qgis/QGIS/commit/e22edc82ef9b27875f78bf28de0d50ffa83eb5e7 



I made a new try but couldn't see any progress bar, the only thing 
is the cursor in load mode and a message at the end in the bottom 
left corner saying that the validation is over.


Is this one big layer or several?
From what I read, you'll see the progress over several layers but not
within a single layer.


At first with one but I made a new try with 4 four layers, all in 
editing mode with snapping activated and use the node selector on one

I can't tell.
Let's wait for Martin's feedback...
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Re: [Qgis-developer] QGIS indexing data when editing

[Denis Rouzaud]

Dear Nicolas,

The indexing is used for snapping in the application.
It takes a few sec when enable the first tool, but snapping is much 
faster later on.


Best wishes,
Denis

On 08/12/2015 02:30 PM, Doctor Who wrote:

Hello,

I'm using QGIS 2.10.1 and 2.8.3 with PostGreSQL 9.3 and PostGIS 2.5 under
Linux openSUSE 13.2 64bits.
A strange things appear since i've move from PostGreSQL 9.1 - 9.3

Each time I open a layer for editing, when I selected any tools (node tools
or creation entity tools), QGIS freeze about 30 sec and display 'indexing
data' progress bar. (memory of my computer grow up in same time)
After that, I could editing my data, close it and reopen editing session
whithout any problem or any crash.
But if I close my project and reopen it, again indexing data when I want to
edit a layer.

I've seen that new thing under a small layer (90 entities) and bigger one
(about 250 000 objects), same things for Polygon or Point geometry.
I've a primary key constraint and a spatial index.

Have you already see that somewhere else ? I can't find why as it never
happens before.

Best regards,

Nicolas



-
--

GIS administrator in Urban Agency of the Greater Amiens

Founder and main administrator of forumSIG

  
--

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[Qgis-developer] QGIS indexing data when editing

[Doctor Who]

Hello,

I'm using QGIS 2.10.1 and 2.8.3 with PostGreSQL 9.3 and PostGIS 2.5 under
Linux openSUSE 13.2 64bits.
A strange things appear since i've move from PostGreSQL 9.1 - 9.3

Each time I open a layer for editing, when I selected any tools (node tools
or creation entity tools), QGIS freeze about 30 sec and display 'indexing
data' progress bar. (memory of my computer grow up in same time)
After that, I could editing my data, close it and reopen editing session
whithout any problem or any crash.
But if I close my project and reopen it, again indexing data when I want to
edit a layer.

I've seen that new thing under a small layer (90 entities) and bigger one
(about 250 000 objects), same things for Polygon or Point geometry.
I've a primary key constraint and a spatial index.

Have you already see that somewhere else ? I can't find why as it never
happens before.

Best regards,

Nicolas



-
--

GIS administrator in Urban Agency of the Greater Amiens

Founder and main administrator of forumSIG 

 
--
View this message in context: 
http://osgeo-org.1560.x6.nabble.com/QGIS-indexing-data-when-editing-tp5219525.html
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