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ajandClaude Opus 5.5
f51e5aefdd
The best tab point used to land in inside corners: equally good points run along a straight edge, vertices were tried first and the first tie won. Operators cannot grind a nub flush there. - SupportAnalyzer finds inside corners (inward-turning vertex runs of at least 30 degrees, so chorded fillets count) and keeps tab points a clearance from them; of equally good points it picks the one farthest from an inside corner. Plan Cutting and the overlay use twice the tab size; AcceptsTabAt rejects closer points - When no steadying entry has a lead-in that fits, the search falls back to entries clear of inside corners, then to every entry, each ordered by how well the tab steadies the part, keeping only the steadiest that fit - Replay notes parts whose planned tab cannot hold them level or sits in an inside corner; the notes are advisory and leave a Ready plan Ready - Console/MCP plate summaries print a ready plan's notes - docs/support-tabs.md and cutting-planner notes Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
67 lines
3.5 KiB
C#
67 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using OpenNest.CNC;
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using OpenNest.CNC.CuttingPlanning;
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using OpenNest.Geometry;
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using OpenNest.Support;
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namespace OpenNest.Engine.CuttingPlanning;
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/// <summary>
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/// Capture-time support tabs for one regenerated part (docs/support-tabs.md): with a support
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/// bed and <see cref="CNC.CuttingStrategy.CuttingParameters.SupportTabs"/> on, a part the bed
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/// cannot hold level has its perimeter tabbed where the tab steadies it. A supported part, a
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/// pinned perimeter (the drawing wins), a missing tab configuration or material the analyzer
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/// cannot read leave the preparation as it was.
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/// </summary>
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internal static class SupportTabCapture
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{
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internal static PreparedContours Prepare(PreparedContours prepared, Program ownedClean, Vector location,
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CuttingPlanRequest request, CancellationToken token)
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{
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var parameters = request.ConfirmedParameters;
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if (prepared == null || request.SupportBed == null || parameters?.SupportTabs != true
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|| parameters.TabConfig == null || prepared.IsPinned(prepared.PerimeterOrdinal))
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return prepared;
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token.ThrowIfCancellationRequested();
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// The clean program is the drawing's own, rotated as placed: its material at the
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// part's location is the material that drops onto the bed. The tab keeps clear of
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// inside corners by twice its size.
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var support = SupportAnalyzer.Analyze(request.SupportBed, request.SupportQuadrant,
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SupportMaterial.FromProgram(ownedClean, location),
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SupportAnalyzer.InsideCornerClearance(parameters.TabConfig.Size));
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if (!support.IsComplete || support.IsSupported || support.BestTabPoint == null)
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return prepared;
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return prepared.WithSupportTab(support, location, parameters.TabConfig);
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}
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/// <summary>
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/// Notes for a planned support-tabbed part whose tab, at its perimeter entry, cannot hold it
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/// level or sits in an inside corner. Advisory: they never refuse or downgrade a plan.
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/// </summary>
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internal static IEnumerable<CuttingPlanFinding> Notes(FixedProgramPlacement planned)
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{
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var prepared = planned.Prepared;
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if (prepared?.Support is not { } support
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|| planned.ContourChoices.FirstOrDefault(c => c.ContourOrdinal == prepared.PerimeterOrdinal) is not { } entry)
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yield break;
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var tab = entry.Point + planned.Location;
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var at = FormattableString.Invariant($"({tab.X:0.####}, {tab.Y:0.####})");
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if (!support.TabCanSupport)
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yield return JointCuttingPlanSearch.Finding(planned, null,
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$"The support grid cannot hold it level, and no single tab can: its tab at {at} steadies it "
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+ "as far as one tab can, but it may still tip. Add tabs by hand or move the part, then replan.");
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else if (!prepared.HoldsLevelAt(entry))
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yield return JointCuttingPlanSearch.Finding(planned, null,
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$"The support grid cannot hold it level, and no lead-in fits where a tab would: its tab at {at} "
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+ "is the steadiest that fits, but it may still tip. Shorten the lead-in in Cutting Settings or "
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+ "space the parts farther apart, then replan.");
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if (!prepared.IsClearOfInsideCorners(entry))
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yield return JointCuttingPlanSearch.Finding(planned, null,
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$"Its support tab at {at} is in an inside corner, because no lead-in fits clear of one; "
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+ "its nub will be hard to grind flush.");
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}
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}
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