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Claude
d3a98170bf
With --no-simplification-of-shared-nodes, simplify_lines() used to offset every vertex of every feature to world coordinates and check it against the Bloom filter and the global sorted list of shared nodes, in every tile at every zoom level. Whether a vertex is a shared node depends only on its world coordinates, so now it is found once, after the list of shared nodes has been made and before the geometry is sorted, by a parallel pass over each reader's geometry that marks each vertex in place, in the upper bits of its serialized operation byte. Decoding puts that state into a new field of draw (which still fits in 16 bytes), and it is carried through clipping, the copies across the antimeridian at z0, and the geometry written for the next zoom level. Polygon cleaning of coalesced features restores the state of any output vertex with the same coordinates as an input vertex. Vertices whose state is still unknown, because they were created by clipping or polygon cleaning or came back from a prefilter, are still looked up in the global list when they are simplified, so the output is unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01P2nBqZisxNQfmEmon3vE9v
7 lines
75 B
C++
7 lines
75 B
C++
#ifndef VERSION_HPP
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#define VERSION_HPP
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#define VERSION "v2.83.0"
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#endif
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