Hi, I defined a polygon layer which contains polygons overlapped. And I want to specify the overlap order for different type of polygon, eg. I want the polygons with type='pole' stay above these with type='table', see attachment. I can use rules to discriminate these polygons by type and can't find any field (like index) to specify order of rule.
Or must I split the layer into small layers with only one type? But I am to worry about the performance. Any suggestions? yang
<<attachment: pic.jpg>>
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