[Qgis-user] Embed layers and groups

Fri Mar 10 10:39:47 PST 2017

Hi All,

just to let you know that I recently wrote a plugin called "Copy layers and
groups to clipboard", which also creates an "unlinked copy" of
layers/groups from other projects.

Regards,

Germán
------------
[1] http://plugins.qgis.org/plugins/CopyLayersAndGroupsToClipboard/

2017-03-10 12:31 GMT-05:00 Régis Haubourg <regis.haubourg at gmail.com>:

> Hi guys,
> Paul Blottiere submitted a pull request to solve that issue here
> https://github.com/qgis/QGIS/pull/4247
>
> If it is doing the work and merged, that would deserve backporting to 2.18
> branch.
>
> And yes that issue deserves to be more advertised and also extended to a
> unlinked "copy" mode.
> Wiring it in browser would be a nice way to make it more known too.
>
> Side note: There is already a plugin called layers menu from project to
> build menu shortcuts to other's project layers. I can't live without it
> now, pushing that into core would be nice, if someone's willing to fund
> that, qgis devs would probably be happy to tackle that
>
>
>
> Le 10 mars 2017 3:19 PM, "Neumann, Andreas" <a.neumann at carto.net> a
> écrit :
>
>> Hi Harrissou,
>>
>> Thanks for tackling this in the documentation.
>>
>> Some remarks:
>>
>> - embedded layers are shown with "italic" labels in the layer tree to
>> distinguish them from regular layers.
>>
>> - all layer properties are "read only", not only styling and labeling,
>> but also any other properties, like field aliases, display values, actions,
>> etc. That's why the layer properties can't be shown to avoid that the user
>> changes stuff which can't be saved in the project.
>>
>> - if the master project uses an alternative rendering order (defined in
>> the layer order panel of the master project), the layer ordering in the
>> project where the layers are embedded can only be retained "en bloc" and
>> only if you embed the parent group and not individual layers
>>
>> It may even be that you'll have to also activate the alternative
>> rendering order in the client project if you want to retain, but I am not
>> 100% sure. I just remember that it gave me headaches with the layer
>> rendering order in the past, because it was a bit buggy. Should work well
>> meanwhile though.
>>
>> Andreas
>>
>> On 2017-03-10 12:05, DelazJ wrote:
>>
>> Hi,
>>
>> Actually it's not a new feature. Has been there since.... (available in
>> 1.8 documentation http://docs.qgis.org/1.8/en/do
>> cs/user_manual/introduction/general_tools.html#nesting-projects)
>> And as you can see, the documentation has neither been improved since.
>> Given your discussion I tried to put some highlights on the feature and
>> any review is welcome https://github.com/qgis/QGIS-D
>> ocumentation/issues/1748 I'm more a default style user than an embedded
>> layer one so if I miss some advantages in this feature please, let me know.
>>
>> Laurence, I didn't check if you had reported the issues yet, otherwise I
>> think removal of some items can be added:
>> - Layer menu --> Labeling
>> - when right-clicking an embedded layer --> Style.
>>
>> Given that the Layer Properties dialog is not availbale, there are some
>> actions like "Set Scale visibility of layer", "Set layer CRS", "Filter"
>> (that belong to the Properties --> General menu) that make me fail to
>> understand the real scope of an embedded layer. Are they supposed to be
>> grayed too or not? What kind of changes are really allowed on such a layer
>> or what is really kept from the "source" file?
>>
>> Thanks,
>> Harrissou
>>
>>
>> 2017-03-09 21:07 GMT+01:00 Laurence Béchet <bechet.laurence at gmail.com>:
>>
>>> Thanks Andrea. I'll create them.
>>> These are not big issues and easy to work around as a user.
>>>
>>> I agree with you this new embedded layers feature is awesome and for
>>> little mapping projects like Ark in the Park they are very useful as I have
>>> my layout already ready and just need to add what i want to plots: bird
>>> territories or past control results or ..... Also if something in the
>>> layout changes (new track, pest control grid altered) I only need to modify
>>> the 'master' map and it is propagated to all the other maps. Worth a try!
>>>
>>> Kind regards
>>> Laurence
>>> ARK IN THE PARK Volunteer Co-Ordinator
>>> Cascades Ranger Station
>>> Falls Road, Waitakere
>>> Phone:  (09) 810 7014
>>> www.arkinthepark.org.nz  www.forestandbird.org.nz
>>>
>>> On 9/03/2017 10:58 p.m., Neumann, Andreas wrote:
>>>
>>> Hi Laurence,
>>>
>>> I can confirm both issues.
>>>
>>> Embedded groups show empty (without the layers, only the groups are
>>> displayed) in QGIS 3 and they are stylable in the styling dock in 2.18 when
>>> they shouldn't be stylable.
>>>
>>> However, if your restyle embedded layers in the styling dock, they are,
>>> of course not saved back to the original layers. This would be dangerous
>>> and probably unwanted in most cases.
>>>
>>> The styling dock is fairly new and probably the devs where not aware
>>> about the embedded layers feature.
>>>
>>> Can you please issue bug reports for both issues?
>>>
>>> Embedded layers and groups are probably not used that much in the wild,
>>> but I find them incredibly useful. It is one of my favourite QGIS feature
>>> and saves you tons of work if you can re-use background layers from other
>>> projects, while still being able to identify these layers or snap to them.
>>>
>>> Unfortunately, many users and devs are not aware of this feature and it
>>> doesn't get much attention.
>>>
>>> Thanks,
>>>
>>> Andreas
>>>
>>> On 2017-03-08 22:10, Laurence Béchet wrote:
>>>
>>> Hi,
>>>
>>> I'm trying to use the embed layers and groups feature.
>>> I'm running on Windows8 pro 64bits.
>>> I have created a new project and I am loading a group of layers which
>>> are my background (streams, lakes, etc ..) in a main project.
>>>
>>> QGIS 2.18.4 QGIS code revision 59c1d21:
>>> I get the group loaded nicely. As expected, I cannot access the
>>> properties if I double click on the layer. However, if I have the layer
>>> styling panel open, I can change the style ... I have not checked what
>>> happens to the main project.  Question 1: Is this normal?
>>>
>>> QGIS version 2.99.0-Master QGIS code revision 5a543e4:
>>> The group appears in the layers panel but none of the layers are
>>> displayed. Question 2: Is this normal?
>>>
>>> Kind regards
>>> Laurence Bechet
>>>
>>> ARK IN THE PARK Volunteer Co-Ordinator
>>> Cascades Ranger Station
>>> Falls Road, Waitakere
>>> Phone:  (09) 810 7014
>>> www.arkinthepark.org.nz  www.forestandbird.org.nz
>>>
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>>>
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>>
>>
>>
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