[Qgis-developer] Consistency in adding layers (especially OGC)

Radim Blazek radim.blazek at gmail.com
Tue Jan 28 09:03:50 PST 2014

The QgsWCSSourceSelect was written as subclass of QgsOWSSourceSelect
with intention to use later the QgsOWSSourceSelect also for other
services but I never got time to finish that. I am not even sure if it
is the right way, maybe it is easier to just keep it visually in sync.


On Tue, Jan 28, 2014 at 11:03 AM, Jonathan Moules
<jonathanmoules at warwickshire.gov.uk> wrote:
> Hi List,
> This may be too late for 2.2 (some are features), but something that's
> bugging me no end is the complete lack of consistency between all the
> dialogs for the OGC services. Below I've created a somewhat exhaustive list
> of differences-that-shouldn't-be between the way they behave - mostly the
> add-layer dialog.
> However, rather than rectify the issues, would it maybe make more sense to
> just create a single new dialog from scratch and use that instead? Ideally
> for all formats, but if necessary, just the OGC stuff.
>   What are the plans relating to add-layer dialogs? Is there a preferred
> option? Or will/desire to create a universal dialog for adding layers?
> Cheers,
> Jonathan
> -------------
> Adding Layers:
> Add/Close buttons
> For WCS these are the wrong way around!
> Layer Title|Name:
> - For WMS, WCS - use the layer Title rather than the layer Name when adding
> to the layers list (WFS & WMTS already do this).
> - Either add "Use title for layer name" checkbox to WMS/WMTS, WCS, or remove
> from WFS.
> - WMS seems to allow you to fill in a "Layer name" - add to other dialogs?
> If so, make it more obvious what it does.
> Filter:
> Add Filter function for WMS, WMTS, WCS (already exists for WFS).
> Differentiate windows:
> http://hub.qgis.org/issues/9193
> Tabs:
> WCS: Remove "Layers" tab as pointless.
> WMS/WMTS - I have no idea what "Server Search" or "Layer order" do - never
> seen them active.
> CRS:
> All - Make CRS section same between dialogs.
> WMS - why is "Tile Size" and "Feature limit for GetFeatureInfo" inside the
> CRS box?
> Format:
> WCS or WMS/WMTS - Use same method for selecting format. One uses dropdown
> (WCS), one uses checkboxes. I guess WFS doesn't need this option.
> Column list:
> All - In list of layers, use same order of columns and same selection of
> columns.
> WCS, WMS - Column widths autodetected. (Already done for WMTS, WFS)
> Caching:
> WCS / WFS - Offer same method for choosing caching settings.
> Add Layer:
> WFS - Don't close the dialog. Or Do close it for WMS/WMTS and WCS.
> -------------
> Create Connection:
> WMS/WMTS - says "Create a new WMS connection" - should say WMTS too.
> WCS/WFS - Referer option (in WMS already)
> WFS - "Connection details" not in bold (is on WMS/WCS)
> -------------
> Metadata:
> Following on from this ticket - http://hub.qgis.org/issues/8870 - suggested
> changes to layer properties -> Metadata:
> WMS, WMTS and WCS:
>  - Don't list entire Get Capabilities in properties, only the section for
> that particular layer. WFS already does this.
>  - All OGC Services - Populate the Description/attribution/metadataURL from
> the GetCapabilities.
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