B4L/kicad-zone-resistance
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Smooth adaptive potential maps and draw the mesh on the raster figure

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Two display fixes for the adaptive grid, from field feedback:

- Equipotential contours showed leaf-sized staircase corners on plane
  interiors: the potential is now expanded piecewise-LINEARLY from each
  leaf's reconstructed gradient instead of constant-per-leaf, and the
  default ADAPTIVE_MAX_CELL_UM drops 2 mm -> 1 mm (interior leaves
  beyond that buy almost nothing).
- The raster map now overlays the adaptive mesh: boundaries of coarse
  leaves draw in darker copper (fine regions stay plain = fully
  resolved), with a legend entry. Uniform-grid runs are unchanged.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
janik
2026-07-15 18:12:52 +07:00
parent 07ab59baad
commit 1a28f2a593
5 changed files with 60 additions and 11 deletions
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fill_resistance/config.py
+6 -5
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@@ -66,11 +66,12 @@ TARGET_CELLS_ADAPTIVE = 8_000_000 # auto cell-size budget with the adaptive
# grid: unknowns no longer scale with the
# fine cell count, so the auto sizer picks
# a ~2x finer h (memory-bound: masks/fields)
ADAPTIVE_MAX_CELL_UM = 2000.0 # coarsest leaf edge length. The MINIMUM
# element size is the grid cell size itself
# (auto / dialog / CELL_UM_OVERRIDE). Rarely
# needs tuning: the guard distance already
# caps leaf growth near features
ADAPTIVE_MAX_CELL_UM = 1000.0 # coarsest leaf edge length (also the
# granularity of the potential/field maps
# on plane interiors). The MINIMUM element
# size is the grid cell size itself (auto /
# dialog / CELL_UM_OVERRIDE). The guard
# distance caps leaf growth near features
ADAPTIVE_GUARD = 4 # a leaf of size s needs >= GUARD*s cells of
# clearance to the nearest feature
ADAPTIVE_CORRECTION_PASSES = 1 # deferred-correction re-solves fixing the