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[core][tile mode] Reduce cut-off labels (part 2) #16369

Merged
merged 7 commits into from
Apr 8, 2020
Merged

[core][tile mode] Reduce cut-off labels (part 2) #16369

merged 7 commits into from
Apr 8, 2020

Commits on Apr 7, 2020

  1. [core] Introduce PlacementContext 

    Make `placeSymbol()` a method and introduce copiable `PlacementContext`.
    @pozdnyakov
    pozdnyakov committed Apr 7, 2020
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  2. [core] Symbol by symbol placement for intersections

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    pozdnyakov committed Apr 7, 2020
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  3. [core][tile mode] Placement algorithm improvements 

    Now, the intersecting symbols are placed across all layers according to the following rules:
1) First we look, which of the tile border(s) the symbol intersects and prioritize the the symbol accordingly (high priority -> low priority):
vertical & horizontal -> vertical -> horizontal

2) For the symbols that intersect the same tile border(s), assuming the tile border split symbol into several sections, we look at the minimal section length.
The symbol with a larger minimal section length is placed first.

3) Finally, for the symbols that intersect the same tile border(s), and have equal minimal section length, we look at the anchor Y cordinate.
    @pozdnyakov
    pozdnyakov committed Apr 7, 2020
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  4. [core][tile mode] Improve placement algorithm for variable labels

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    pozdnyakov committed Apr 7, 2020
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  5. [core][tile mode] Fix placement mismatch for the labels with same geo… 

    …merty
    @pozdnyakov
    pozdnyakov committed Apr 7, 2020
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  6. Update render tests expectations

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    pozdnyakov committed Apr 7, 2020
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  7. Add change log entry

    @pozdnyakov
    pozdnyakov committed Apr 7, 2020
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