Thank you Nyall! Does exactly what I need. Will add it to the python
cookbook.
Raymond
On 22-08-18 00:10, Nyall Dawson wrote:
On Wed, 22 Aug 2018 at 01:41, Raymond Nijssen <r.nijs...@terglobo.nl> wrote:
Hi devs!
I'd like my python plugin to set an expression for overriding a property
and I have no clue how to do so. I expect there must be some generic way
to set expressions.
Specifically, I want to set the expression for the "Image source" of a
QgsLayoutItemPicture to:
'/path/to/pictures/' || attribute(@atlas_feature, 'ID') || '.svg'
Try
property = QgsProperty.fromExpression( "'/path/to/pictures/' ||
attribute(@atlas_feature, 'ID') || '.svg'")
item.dataDefinedProperties().setProperty(QgsLayoutObject.PictureSource,
property)
Nyall
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