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Optimize Z9 rendering #645

Merged
merged 1 commit into from
Mar 4, 2023
Merged

Optimize Z9 rendering #645

merged 1 commit into from
Mar 4, 2023

Commits on Mar 4, 2023

  1. Optimize Z9 rendering

    Z9 was quite anomaly in terms of rendering time. It was taking much
    longer than Z8 and Z10 during pre-computation.
    
    Dominant layer was landuse_gen0. It was using subpixel rendering for
    landuse, which is useful at very low zoom but seems to be safely
    discardable at Z9.
    
    See as well
    gravitystorm/openstreetmap-carto#2874 and
    gravitystorm/openstreetmap-carto#3458 (comment).
    
    See #644.
    Phyks committed Mar 4, 2023
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