Re: [Qgis-user] [Announce] GISVM OpenGeo Suite 64bit version

[Mats Elfström]

Hi!
I would like to run this vm on a paid for cloud service. How would that be 
done? For instance, as an Amazon AMI or the equivalent.

Hälsning / Regards
Mats.E

Skickat från min / Sent from my iPad, Ursäkta att jag är kortfattad / Excuse my 
brevity. 

> 4 apr. 2016 kl. 01:13 skrev Ricardo Pinho :
> 
> Dear all,
> 
> Just to announce the "GISVM OpenGeo Suite 64bit" release:
> http://gisvm.com/gisvm-opengeo-suite-64bit/
> 
> Run it on your computer and inside QGIS use "Geoserver Explorer plugin" to 
> have full access to this exceptional full feature enterprise GIS solution 
> from Boundless.
> http://plugins.qgis.org/plugins/geoserverexplorer/
> 
> If interested, just have a look at the QUICK START manual to understand how 
> it can be useful to you.
> 
> Thank you for supporting the project. 
> Have fun!
> 
> Best regards
> -- 
> Ricardo Pinho
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Re: [Qgis-user] Error running dissolve

[johnrobot]

I created a bug report for this issue,  http://hub.qgis.org/issues/14612
  .

Regards,

Magnus



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Re: [Qgis-user] variables in postgis filters

[Nyall Dawson]

On 3 April 2016 at 01:27, Sandro Santilli  wrote:
> On Wed, Mar 30, 2016 at 02:47:55AM -0700, ralfwessels wrote:
>
>> I would like to filter my PostGIS table by the actual extent of the map
>> canvas similar to the possibility in the Quick OSM - Plugin.
>>
>> Does someone know, if this is possible?
>
> I've been thinking about a way to do this too as I'm afraid it is
> currently not available as a core support.

There's 2 ways I can think of implementing this. One would be a niave
search-and-replace for variable names in the filter before passing it
off to the layer's provider. But that's potentially quite fragile.

An alternative approach would be to have an optional switch which
changes the layer filter from provider-specific syntax to using the
standard QGIS expression engine, complete with access to variables and
the like. With compiled expressions these could still potentially be
handed off to the provider side to speed up the queries.

>
> Being able to use canvas-dependent variables (extent and scale,
> mostly) would help a lot with speeding up some kind of query
> layers (TopoGeometry ones, for example).

Be aware that this would not be possible in a vector layer filter.
Expressions at the vector layer level will only have access to global,
project and layer variables. Think about it this way - if the project
has multiple maps in various composers, which extent and scale would
be used when fetching features from the layer for something which
isn't specific to an individual map (Eg the attribute table).

Only expressions evaluated in the context of a specific map have
access to the map specific scale and extent variables (eg data defined
symbology, labeling parameters, etc).

Nyall


>
> I haven't looked at how the QuickOSM plugin deals with the issue,
> does it update the layer definition on every pan and zoom operations ?
>
> --strk;
>
>
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[Qgis-user] [Announce] GISVM OpenGeo Suite 64bit version

[Ricardo Pinho]

Dear all,

Just to announce the "*GISVM OpenGeo Suite 64bit*" release:
http://gisvm.com/gisvm-opengeo-suite-64bit/

Run it on your computer and inside QGIS use "Geoserver Explorer plugin
" to have full access
to this exceptional full feature enterprise GIS solution from Boundless.
http://plugins.qgis.org/plugins/geoserverexplorer/

If interested, just have a look at the QUICK START manual

to understand how it can be useful to you.

Thank you for supporting the project.
Have fun!

Best regards
-- 
Ricardo Pinho
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Re: [Qgis-user] QGIS users in Southeastern New England, US

[Suspenders Mike]

Thanks--perhaps we can generate some new interest in the Boston area



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Re: [Qgis-user] Question about city layer density

[Joris Hintjens]

HOLD IT!
From what I read, you misunderstood Szilard’s answer. You don’t need different 
layers per class of city magnitude. Within one layer, you ca ncreate scalable 
visibilty according to a property (number of inhabitants).

But why not use a simpler way: use an existing background layer (OSM or other) 
that hat scalable visibility already in the layer? I personaly like "OSM Stamen 
toner” for its slick black rendering
Joris



> Op 3 apr. 2016, om 14:13 heeft Joe Stepansky  het volgende 
> geschreven:
> 
> Thank you Szilard. I knew about the scale dependent visibility, but hadn’t 
> considered creating layers with different size cities and different 
> visibility levels. That should work just fine. 
>  
> Joe
>  
> From: szilard.alb...@gmail.com [mailto:szilard.alb...@gmail.com] On Behalf Of 
> Szilard Albert
> Sent: Sunday, April 03, 2016 7:30 AM
> To: Joe Stepansky
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] Question about city layer density
>  
> Joe,
> what you seem to need is "scale dependent visibility".
> To achieve this, go to "layer properties", "general" tab, and enable "scale 
> dependent visibility".
> Set your scales as preferred. This will show or hide all your cities, 
> depending on the zoom level, 
> but you can make different layers with different classes of cities, and 
> enable/disable their
> visibility at different zoom levels.
> regards,
> Szilard
>  
> On 3 April 2016 at 21:01, Joe Stepansky  > wrote:
> I’m relatively new to QGIS, so forgive any naivete.
>  
> I’m working on a project displaying severe weather outlooks on a map of the 
> US. It’s gone very well, but I have one issue. I’m using a layer which 
> displays city locations and labels on the map. When zooming in to a specific 
> state, all looks fine. But when I pull back to several states, the map can 
> look cluttered with city points and labels.
>  
> The labels don’t run into each other, there are just so many of them when I 
> zoom out. Is there some way to get QGIS to automatically remove “random” 
> cities (I really don’t care which ones) as the map is zoomed out, and restore 
> them as the map is zoomed in?
>  
> Right now I’m manually using a filter to remove “excess” cities, but I can’t 
> seem to find a nice, automated solution.
>  
> Thanks for any help!
>  
> Joe Stepansky
> Harrisburg, PA
> 
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> 
> 
> 
> -- 
> Szilard Albert
> www.dayborogeo.com 
> Phone: +61 7 3889 9505
> Mobile: +61 403 860274
>  
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Re: [Qgis-user] Question about city layer density

[Nicolas Cadieux]

Hi, 
I don't have Qgis front on me but you can use expressions for scale 
rendering of labels. ($scale). I think we can also do that with 
conditional formats objects properties. You could set object to become 
transparent depending on the expression. The below link is for labels but 
the same should apply to object formating... (I am pretty sure this is not a 
figments of my Imagination.) This way, you could use only one 
layer. 
http://lists.osgeo.org/pipermail/qgis-user/2013-November/024825.html 
Nicolas 
On Apr 3, 2016 08:00, Joe Stepansky [via OSGeo.org] 
ml-node+s1560n525936...@n6.nabble.com wrote: 

Thank you Szilard. I knew about the scale dependent visibility, but 
hadn’t considered creating layers with different size cities and different 
visibility levels. That should work just fine.   Joe   From: [hidden email]  
[mailto: [hidden email] ] On Behalf Of Szilard Albert Sent: Sunday, April 03, 
2016 7:30 AM To: Joe Stepansky Cc: [hidden email] Subject: Re: [Qgis-user] 
Question about city layer density   Joe, what you seem to need is scale 
dependent visibility. To achieve this, go to layer properties, 
general tab, and enable scale dependent visibility. Set 
your scales as preferred. This will show or hide all your cities, depending on 
the zoom level, but you can make different layers with different classes of 
cities, and enable/disable their visibility at different zoom levels. regards, 
Szilard   On 3 April 2016 at 21:01, Joe Stepansky  [hidden email]  
wrote: I’m relatively new to QGIS, so forgive any naivete.   I’m working on a 
project displaying severe weather outlooks on a map of the US. It’s gone very 
well, but I have one issue. I’m using a layer which displays city locations and 
labels on the map. When zooming in to a specific state, all looks fine. But 
when I pull back to several states, the map can look cluttered with city points 
and labels.   The labels don’t run into each other, there are just so many of 
them when I zoom out. Is there some way to get QGIS to automatically remove 
“random” cities (I really don’t care which ones) as the map is zoomed out, and 
restore them as the map is zoomed in?   Right now I’m manually using a filter 
to remove “excess” cities, but I can’t seem to find a nice, automated solution. 
  Thanks for any help!   Joe Stepansky Harrisburg, PA 
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Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user -- Szilard 
Albert www.dayborogeo.com Phone: 61 7 3889 9505 Mobile: 61 403 860274 
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Re: [Qgis-user] Question about city layer density

[Joe Stepansky]

Thank you Szilard. I knew about the scale dependent visibility, but hadn’t 
considered creating layers with different size cities and different visibility 
levels. That should work just fine. 

 

Joe

 

From: szilard.alb...@gmail.com [mailto:szilard.alb...@gmail.com] On Behalf Of 
Szilard Albert
Sent: Sunday, April 03, 2016 7:30 AM
To: Joe Stepansky
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Question about city layer density

 

Joe,

what you seem to need is "scale dependent visibility".

To achieve this, go to "layer properties", "general" tab, and enable "scale 
dependent visibility".

Set your scales as preferred. This will show or hide all your cities, depending 
on the zoom level, 

but you can make different layers with different classes of cities, and 
enable/disable their
visibility at different zoom levels.
regards,

Szilard

 

On 3 April 2016 at 21:01, Joe Stepansky  wrote:

I’m relatively new to QGIS, so forgive any naivete.

 

I’m working on a project displaying severe weather outlooks on a map of the US. 
It’s gone very well, but I have one issue. I’m using a layer which displays 
city locations and labels on the map. When zooming in to a specific state, all 
looks fine. But when I pull back to several states, the map can look cluttered 
with city points and labels.

 

The labels don’t run into each other, there are just so many of them when I 
zoom out. Is there some way to get QGIS to automatically remove “random” cities 
(I really don’t care which ones) as the map is zoomed out, and restore them as 
the map is zoomed in?

 

Right now I’m manually using a filter to remove “excess” cities, but I can’t 
seem to find a nice, automated solution.

 

Thanks for any help!

 

Joe Stepansky

Harrisburg, PA


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-- 

Szilard Albert

www.dayborogeo.com

Phone: +61 7 3889 9505

Mobile: +61 403 860274

 

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Re: [Qgis-user] Question about city layer density

[Szilard Albert]

Joe,
what you seem to need is "scale dependent visibility".
To achieve this, go to "layer properties", "general" tab, and enable "scale
dependent visibility".
Set your scales as preferred. This will show or hide all your cities,
depending on the zoom level,
but you can make different layers with different classes of cities, and
enable/disable their
visibility at different zoom levels.
regards,
Szilard

On 3 April 2016 at 21:01, Joe Stepansky  wrote:

> I’m relatively new to QGIS, so forgive any naivete.
>
>
>
> I’m working on a project displaying severe weather outlooks on a map of
> the US. It’s gone very well, but I have one issue. I’m using a layer which
> displays city locations and labels on the map. When zooming in to a
> specific state, all looks fine. But when I pull back to several states, the
> map can look cluttered with city points and labels.
>
>
>
> The labels don’t run into each other, there are just so many of them when
> I zoom out. Is there some way to get QGIS to automatically remove “random”
> cities (I really don’t care which ones) as the map is zoomed out, and
> restore them as the map is zoomed in?
>
>
>
> Right now I’m manually using a filter to remove “excess” cities, but I
> can’t seem to find a nice, automated solution.
>
>
>
> Thanks for any help!
>
>
>
> Joe Stepansky
>
> Harrisburg, PA
>
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-- 
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www.dayborogeo.com

Phone: +61 7 3889 9505
Mobile: +61 403 860274
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[Qgis-user] Question about city layer density

[Joe Stepansky]

I'm relatively new to QGIS, so forgive any naivete.

 

I'm working on a project displaying severe weather outlooks on a map of the
US. It's gone very well, but I have one issue. I'm using a layer which
displays city locations and labels on the map. When zooming in to a specific
state, all looks fine. But when I pull back to several states, the map can
look cluttered with city points and labels.

 

The labels don't run into each other, there are just so many of them when I
zoom out. Is there some way to get QGIS to automatically remove "random"
cities (I really don't care which ones) as the map is zoomed out, and
restore them as the map is zoomed in?

 

Right now I'm manually using a filter to remove "excess" cities, but I can't
seem to find a nice, automated solution.

 

Thanks for any help!

 

Joe Stepansky

Harrisburg, PA

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