Function parallelTiles

Bounded parallel tile traversal. Tiles in each row band are processed by the caller callback; completion is a full barrier before return.

raster.parallel_rows.ParallelRowsResult parallelTiles(
  scope nothrow @safe bool delegate(imagery.analysis.execution.Tile) emit,
  ulong width,
  ulong height,
  ulong tileWidth,
  ulong tileHeight,
  imagery.analysis.execution.Halo halo,
  ulong workerLimit = 0LU,
  ulong minimumRowChunk = 1LU
) @trusted;