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new project chapter in Userguide/Overview #290

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Update twwproject.rst
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urskaufmann authored Jul 8, 2024
commit e395f55f9a7c88a50d8c79399246368bad28f8a6
11 changes: 6 additions & 5 deletions docs/en/user-guide/layerexplanations/twwproject.rst
Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,9 @@ Relations
Relations are necessary for the Feature Attributes Windows to referende to connected tables (e.g. you can edit connected maintenance_events in Feature_Attribut window in vw_tww_reach).
Where possible, in TWW are value relations used and not project relations. Value Relations ar used for Value Lists, but also for organisations and for pipe_profiles.

Value Relations work perfect also with Multiedit, but is slow, if there are a lot records in the related table or list. And you can not choose a record on the map to connect to it (e.g to define a manhole-catchment area-connection).
Project relations allow to select a record on the map and is faster with big datasets. But there is a serious bug when using Multiedit (as of today with QGIS 3.34.4).
**Value Relations** work perfect also with Multiedit, but is slow, if there are a lot records in the related table or list. And you can not choose a record on the map to connect to it (e.g to define a manhole-catchment area-connection).

**Project relations** allow to select a record on the map and is faster with big datasets. But there is a serious bug when using Multiedit (as of today with QGIS 3.34.4).
If there is a good advantage to work with Multiedit, it's a good idea to define a style, that has no relation-field in the Feature Attributs window.


Expand Down Expand Up @@ -89,11 +90,11 @@ A map theme is a snapshot of the current map legend that records:

* and for each visible layer:

-- the reference to the style applied to the layer
* the reference to the style applied to the layer

-- the visible classes of the style, ie the layer checked node items in the Layers panel. This applies to symbologies other than the single symbol rendering
* the visible classes of the style, ie the layer checked node items in the Layers panel. This applies to symbologies other than the single symbol rendering

-- the collapsed/expanded state of the layer node(s) and the group(s) it’s placed inside
* the collapsed/expanded state of the layer node(s) and the group(s) it’s placed inside

Layer Order
-----------
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