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lmotta / mapswipetool_plugin

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MapSwipe Tool does not respect layer draw order #12

Closed Saijin-Naib closed 3 years ago

Saijin-Naib commented 5 years ago

When swiping, the "swiped"/active layer is drawn atop of the other layers, not in the Z-Order it is in the layers list.

I've attached screenshots to show the behavior.

Proper Layer Draw Order: Annotation 2019-04-25 092629

MapSwipe Layer Draw Order: Annotation 2019-04-25 092658

lmotta commented 5 years ago

The active layer is a MapSwipe Layer.

The MapSwipe Layer always stay in the top of layers, it is a curtain above the layers..

My comments are about version 3.4 of QGIS

Em qui, 25 de abr de 2019 às 10:28, Saijin-Naib notifications@github.com escreveu:

When swiping, the "swiped"/active layer is drawn atop of the other layers, not in the Z-Order it is in the layers list.

I've attached screenshots to show the behavior.

Proper Layer Draw Order: [image: Annotation 2019-04-25 092629] https://user-images.githubusercontent.com/19295950/56739290-539ce280-673c-11e9-922d-d98347b600bd.png

MapSwipe Layer Draw Order: [image: Annotation 2019-04-25 092658] https://user-images.githubusercontent.com/19295950/56739331-69aaa300-673c-11e9-9e39-c3d9bc577268.png

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Saijin-Naib commented 5 years ago

So the behavior is as you intend it to be? Okay.

What do you think about an option to keep the MapSwipe layer in the original Z-Order of the layers in the Layers list from the Table of Contents? This might be more clear/desirable for many use cases.

lmotta commented 5 years ago

The problem is technical, the solution was to create one new Map(QgsMapCanvasItem) with only the swipe layer and add together with the map in canvas.

A possible solution for you, is, create a group with layers do you want put above the others. [image: image.png]

I hope this suggest can help you

Em qui, 25 de abr de 2019 às 12:34, Saijin-Naib notifications@github.com escreveu:

So the behavior is as you intend it to be? Okay.

What do you think about an option to keep the MapSwipe layer in the original Z-Order of the layers in the Layers list from the Table of Contents? This might be more clear/desirable for many use cases.

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Saijin-Naib commented 5 years ago

Ah, okay, I understand better now.

Yes and no. Unfortunately, the draw order for layers isn't really negotiable, so I must just get used to how MapSwipe draws over my other layers.

Thanks for the information!