janik
b62e45a9b4
- Hybrid rasterizer: PIL scanline fill for the bulk, with cells in a ~2 px band around each ring edge re-tested exactly against the polygon - cell-for-cell identical to the old center-in-polygon pass (equivalence test added) but O(vertices + cells) instead of O(vertices x cells). Measured 4.5 s -> 0.11 s at 1.45M cells with 8.8k polygon vertices. - AMG-preconditioned CG (pyamg, new requirement) above 500k unknowns: measured 7.0 s vs 15.3 s spsolve at 1.4M unknowns at a fraction of the memory, R identical to 1e-6; the old Jacobi-CG (kept as fallback when pyamg is missing) needed tens of minutes there. spsolve stays the default below 500k where it is exact and fastest. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
27 lines
1.5 KiB
JSON
27 lines
1.5 KiB
JSON
{
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"$schema": "https://go.kicad.org/pcm/schemas/v2",
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"name": "Fill Resistance",
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"description": "DC/AC resistance of copper zone fills between two contacts, single- or multi-layer with via coupling, with current and power density maps.",
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"description_full": "Computes the DC or AC resistance of copper zone fills between two contacts (marker rectangles on User.1/User.2 and/or selected pads), single- or multi-layer: the chosen net's fills are solved as coupled finite-difference sheets linked by the net's via and through-hole-pad barrels.\n\nShows per-layer rasterized maps, potential, current density and power density, reports per-via currents (via ampacity) and total dissipation at a selectable test current. At a user-set frequency the exact 1D foil/barrel skin-effect correction is applied (AC results are a rigorous lower bound). PNGs, a text summary and a re-solvable geometry dump are saved per run.\n\nNote: the first load builds the plugin's Python environment (numpy, scipy, pyamg, matplotlib, PySide6) and can take several minutes.",
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"identifier": "th.co.b4l.fill-resistance",
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"type": "plugin",
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"author": {
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"name": "janik",
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"contact": {
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"email": "oltmanns@b4l.co.th"
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}
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},
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"license": "GPL-3.0-or-later",
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"resources": {
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"homepage": "https://git.b4l.co.th/B4L/kicad-zone-resistance"
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},
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"versions": [
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{
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"version": "1.0.0",
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"status": "stable",
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"kicad_version": "10.0",
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"runtime": "ipc"
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}
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]
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}
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