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Marker symbol flickering issue while zooming out #16471
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There is a bit of flicker on iOS 5.8.0 but it got much worse in 5.9.0 |
maybe related with #16473 ? |
Yes, both involve flickering issue. For Android, the Mapbox Demo app is not updated for 9.3.0, so not tested. For iOS, 6.0.0 is definitely much better than 5.9.0. Cannot reproduce the flickering issue easily now, although still exist sometimes. |
I have installed the Mapbox Demo app in Google Play, which is of v9.3.1, it seems that the symbols still flicker easily. The marker symbol example for the iOS version is much better. iOS v6.1.0 is similar to iOS v6.0.0, not easy to reproduce the flickering issue. |
Tested. This issue does not exist in the latest Mapbox Demo app (v9.5.0) in Google Play. By the way, I found that adding a symbol which allows overlap may flicker sometimes on Android. For example, can add a button, and attach the following handler to reproduce the issue:
And I found that changing the following lines: mapbox-gl-native/src/mbgl/text/placement.cpp Lines 790 to 793 in 3c16472
to:
may prevent this issue. Please check. |
Platform: Android / iOS
Mapbox SDK version: 9.2.1 / 5.9.0
Steps to trigger behavior
Expected behavior
No flickering.
Actual behavior
You will notice that the marker symbol will flicker at some points while zooming out.
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