[Qgis-developer] Exported SLD size or displacementX/Y are not reimported correctly due to mm/pixel ambiguity

Jorge Gustavo Rocha jgr at di.uminho.pt
Wed Jan 25 11:56:12 PST 2017


Hi,

Maybe we can add support for uom (units of measure), like in [1], in the
export and import to/from SLD. I think we could archive better
compatibility if we use real world units. The uom attribute is
necessary. Numbers only have meaning when they also have units. I would
like to try this approach.

The qgis-geoserver-plugin uses a fixed SIZE_FACTOR = 4 to convert units
from QGIS (mm) to Geoserver (pixels).

Regards,

Jorge Gustavo

[1] http://geoserver.geo-solutions.it/edu/en/pretty_maps/style_uom.html

I think we should review all this import export

Às 16:38 de 25-01-2017, Andrea Aime escreveu:
> On Wed, Jan 25, 2017 at 4:21 PM, Luigi Pirelli <luipir at gmail.com
> <mailto:luipir at gmail.com>> wrote:
> 
>     BTW this suggest that any export fix would check also import side to
>     maintain QGIS consistency.
> 
> 
> Yep... sorry I was not aware that the geoserver plugin was doing
> round-tripping of styles, 
> never used it seriously and noticed the possibility to round trips
> styles only a couple
> of weeks ago
> 
> Cheers
> Andrea
>  
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J. Gustavo
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Jorge Gustavo Rocha
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