[mapserver-commits] [MapServer/MapServer] d5694e: [Backport branch-8-6] Improved interpolation's rep...

[github-actions[bot]]

  Branch: refs/heads/branch-8-6
  Home:   https://github.com/MapServer/MapServer
  Commit: d5694eab330906ba60443455ea18f7aa16b4f64e
      https://github.com/MapServer/MapServer/commit/d5694eab330906ba60443455ea18f7aa16b4f64e
  Author: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
  Date:   2026-09-14 (Mon, 14 Sep 2026)

  Changed paths:
    A msautotest/php/expected/heatmap-3857.png
    A msautotest/php/expected/heatmap-4326.png
    A msautotest/php/maps/reproj-heatmap.map
    A msautotest/php/reprojectionHeatmapTest.php
    M src/interpolation.c

  Log Message:
  -----------
  [Backport branch-8-6] Improved interpolation's reprojection performance (#7649)

* interpolation.c: reuse reprojector across shapes (fixes #7258)

Builds the reprojector once and reuses it to avoid expensive reprojector creation, similar to what was done before MapServer 8.0.0, but reuses the better cache reprojection implemented by Even Rouault in maplayer.c

* reprojectionHeatmapTest: added test for heatmap reprojection (fixes #7258)

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Co-authored-by: GangYi <khorgangyi at gmail.com>



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