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feat(console): use FillExact + Compactor in --autonest

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-15 12:43:38 -04:00
parent 2bde2545f4
commit 521ada17cc
1 changed files with 66 additions and 3 deletions
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69
OpenNest.Console/Program.cs
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@@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading;
using OpenNest;
using OpenNest.Converters;
using OpenNest.Geometry;
@@ -328,9 +329,50 @@ static class NestConsole
Console.WriteLine($"AutoNest: {nestItems.Count} drawing(s), {nestItems.Sum(i => i.Quantity)} total parts");
var nestParts = AutoNester.Nest(nestItems, plate);
plate.Parts.AddRange(nestParts);
success = nestParts.Count > 0;
var fillItems = nestItems
.Where(i => i.Quantity > 1)
.OrderBy(i => i.Priority)
.ThenByDescending(i => i.Drawing.Area)
.ToList();
var packItems = nestItems
.Where(i => i.Quantity == 1)
.ToList();
var workArea = plate.WorkArea();
success = false;
// Phase 1: Fill multi-quantity drawings with NestEngine.
foreach (var item in fillItems)
{
if (item.Quantity <= 0 || workArea.Width <= 0 || workArea.Length <= 0)
continue;
var engine = new NestEngine(plate);
var parts = engine.FillExact(item, workArea, null, CancellationToken.None);
if (parts.Count > 0)
{
plate.Parts.AddRange(parts);
Compactor.Compact(parts, plate);
item.Quantity = System.Math.Max(0, item.Quantity - parts.Count);
success = true;
workArea = ComputeRemainderStrip(plate);
}
}
// Phase 2: Pack single-quantity items into remaining space.
packItems = packItems.Where(i => i.Quantity > 0).ToList();
if (packItems.Count > 0 && workArea.Width > 0 && workArea.Length > 0)
{
var engine = new NestEngine(plate);
var before = plate.Parts.Count;
engine.PackArea(workArea, packItems);
if (plate.Parts.Count > before)
success = true;
}
}
else
{
@@ -343,6 +385,27 @@ static class NestConsole
return (success, sw.ElapsedMilliseconds);
}
static Box ComputeRemainderStrip(Plate plate)
{
if (plate.Parts.Count == 0)
return plate.WorkArea();
var usedBox = plate.Parts.Cast<IBoundable>().GetBoundingBox();
var fullArea = plate.WorkArea();
var hWidth = fullArea.Right - usedBox.Right - plate.PartSpacing;
var hStrip = hWidth > 0
? new Box(usedBox.Right + plate.PartSpacing, fullArea.Y, hWidth, fullArea.Length)
: Box.Empty;
var vHeight = fullArea.Top - usedBox.Top - plate.PartSpacing;
var vStrip = vHeight > 0
? new Box(fullArea.X, usedBox.Top + plate.PartSpacing, fullArea.Width, vHeight)
: Box.Empty;
return hStrip.Area() >= vStrip.Area() ? hStrip : vStrip;
}
static int CheckOverlaps(Plate plate, Options options)
{
if (!options.CheckOverlaps || plate.Parts.Count == 0)