增加导出剖面盒相交元素的包围盒信息的功能（用于三维场景重建）
This commit is contained in:
parent
64c6079011
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579434fbff
@ -131,6 +131,8 @@
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<Compile Include="src\Core\DocumentStateManager.cs" />
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<!-- Core - Virtual Vehicle Management -->
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<Compile Include="src\Core\VirtualVehicleManager.cs" />
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<!-- Core - Section Box Export -->
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<Compile Include="src\Core\SectionBoxExporter.cs" />
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<!-- Core - Configuration Management -->
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<Compile Include="src\Core\Config\SystemConfig.cs" />
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<Compile Include="src\Core\Config\ConfigManager.cs" />
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354
src/Core/SectionBoxExporter.cs
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354
src/Core/SectionBoxExporter.cs
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@ -0,0 +1,354 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Windows.Forms;
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using Autodesk.Navisworks.Api;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace NavisworksTransport.Core
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{
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/// <summary>
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/// 剖面盒导出器 - 导出剖面盒内的对象包围盒信息到JSON
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/// </summary>
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public class SectionBoxExporter
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{
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/// <summary>
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/// 导出剖面盒信息到JSON文件
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/// </summary>
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/// <param name="document">Navisworks文档</param>
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/// <returns>导出的文件路径，失败返回null</returns>
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public string ExportToJson(Document document)
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{
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if (document == null)
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throw new ArgumentNullException(nameof(document));
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// 1. 获取当前视点的裁剪平面
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var viewpoint = document.CurrentViewpoint.Value;
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var clipPlanes = viewpoint.ClipPlanes;
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if (clipPlanes == null)
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{
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MessageBox.Show(
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"当前没有活动的剖面盒！\n请先使用 Navisworks 的剖面工具创建剖面盒。",
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"提示",
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MessageBoxButtons.OK,
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MessageBoxIcon.Information);
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return null;
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}
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// 检查是否启用
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if (!clipPlanes.Enabled)
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{
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MessageBox.Show(
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"剖面盒未启用！\n请先在菜单【视点】-【启用剖分】，然后在菜单【剖分工具】的【模式】中选择【长方体】。\n【移动】、【缩放】或【旋转】剖面盒到适当的位置，或者用【适应选择】调整",
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"提示",
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MessageBoxButtons.OK,
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MessageBoxIcon.Information);
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return null;
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}
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// 检查是否为长方体模式（Box），排除平面裁剪模式（Clip）
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if (clipPlanes.Mode != ClipPlaneSetMode.Box)
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{
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MessageBox.Show(
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"当前是平面裁剪模式，请切换为剖面盒模式！\n在 Navisworks 剖面工具中选择'Box'模式。",
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"提示",
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MessageBoxButtons.OK,
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MessageBoxIcon.Information);
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return null;
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}
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// 2. 获取剖面盒的包围盒
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BoundingBox3D sectionBoxBounds;
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if (!GetSectionBoxBounds(clipPlanes, out sectionBoxBounds))
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{
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MessageBox.Show(
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"无法获取剖面盒边界！\n请确保剖面盒已正确设置。",
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"错误",
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MessageBoxButtons.OK,
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MessageBoxIcon.Error);
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return null;
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}
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// 3. 选择保存路径
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string filePath = ShowSaveFileDialog();
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if (string.IsNullOrEmpty(filePath))
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return null;
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try
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{
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// 4. 获取剖面盒内的对象
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var objectsInSectionBox = GetObjectsInSectionBox(document, sectionBoxBounds);
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// 5. 构建导出数据
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var exportData = BuildExportData(sectionBoxBounds, objectsInSectionBox, document);
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// 6. 序列化为JSON并保存
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string json = JsonConvert.SerializeObject(exportData, Formatting.Indented);
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File.WriteAllText(filePath, json);
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LogManager.Info($"剖面盒导出完成: {objectsInSectionBox.Count} 个对象 -> {filePath}");
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return filePath;
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}
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catch (Exception ex)
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{
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LogManager.Error($"导出剖面盒失败: {ex.Message}", ex);
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MessageBox.Show(
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$"导出失败：{ex.Message}",
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"错误",
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MessageBoxButtons.OK,
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MessageBoxIcon.Error);
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return null;
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}
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}
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/// <summary>
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/// 获取剖面盒的包围盒
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/// </summary>
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private bool GetSectionBoxBounds(ClipPlaneSet clipPlanes, out BoundingBox3D result)
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{
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result = default(BoundingBox3D);
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try
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{
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// 直接获取 Box 属性（长方体模式）
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var box = clipPlanes.Box;
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if (box == null)
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{
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LogManager.Warning("ClipPlanes.Box 为 null");
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return false;
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}
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// 转换为 BoundingBox3D
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result = new BoundingBox3D(
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new Point3D(box.Min.X, box.Min.Y, box.Min.Z),
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new Point3D(box.Max.X, box.Max.Y, box.Max.Z)
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);
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return true;
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}
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catch (Exception ex)
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{
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LogManager.Warning($"获取剖面盒边界失败: {ex.Message}");
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return false;
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}
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}
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/// <summary>
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/// 获取剖面盒内的所有对象
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/// </summary>
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private List<ModelItem> GetObjectsInSectionBox(Document document, BoundingBox3D sectionBox)
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{
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var result = new List<ModelItem>();
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// 手动遍历所有模型
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foreach (var model in document.Models)
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{
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var rootItem = model.RootItem;
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if (rootItem != null)
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{
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TraverseModelItem(rootItem, sectionBox, result);
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}
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}
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return result;
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}
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/// <summary>
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/// 递归遍历模型项 - 剪枝策略：遇到几何体就停止向下遍历
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/// </summary>
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private void TraverseModelItem(ModelItem item, BoundingBox3D sectionBox, List<ModelItem> result)
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{
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if (item == null) return;
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// 如果节点隐藏，跳过
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if (item.IsHidden)
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return;
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// 如果有几何体信息，检查并添加，然后停止遍历该分支（剪枝）
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if (item.HasGeometry)
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{
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var bbox = item.BoundingBox();
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// 检查是否有体积（三个方向尺寸都大于0）
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double sizeX = bbox.Max.X - bbox.Min.X;
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double sizeY = bbox.Max.Y - bbox.Min.Y;
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double sizeZ = bbox.Max.Z - bbox.Min.Z;
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bool hasVolume = sizeX > 0.0001 && sizeY > 0.0001 && sizeZ > 0.0001;
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// 有体积且与剖面盒相交才添加
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if (hasVolume && BoundingBoxesIntersect(bbox, sectionBox))
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{
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result.Add(item);
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}
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// 找到几何体，停止向下遍历（无论是否相交）
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return;
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}
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// 没有几何体，继续遍历子节点
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foreach (var child in item.Children)
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{
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TraverseModelItem(child, sectionBox, result);
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}
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}
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/// <summary>
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/// 检查两个包围盒是否相交
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/// </summary>
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private bool BoundingBoxesIntersect(BoundingBox3D a, BoundingBox3D b)
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{
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return (a.Min.X <= b.Max.X && a.Max.X >= b.Min.X) &&
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(a.Min.Y <= b.Max.Y && a.Max.Y >= b.Min.Y) &&
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(a.Min.Z <= b.Max.Z && a.Max.Z >= b.Min.Z);
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}
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/// <summary>
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/// 构建导出数据
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/// </summary>
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private JObject BuildExportData(BoundingBox3D sectionBox, List<ModelItem> objects, Document document)
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{
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var root = new JObject();
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// 1. 导出剖面盒信息
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var sectionBoxInfo = new JObject
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{
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["min"] = new JArray { sectionBox.Min.X, sectionBox.Min.Y, sectionBox.Min.Z },
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["max"] = new JArray { sectionBox.Max.X, sectionBox.Max.Y, sectionBox.Max.Z },
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["center"] = new JArray
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{
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(sectionBox.Min.X + sectionBox.Max.X) / 2,
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(sectionBox.Min.Y + sectionBox.Max.Y) / 2,
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(sectionBox.Min.Z + sectionBox.Max.Z) / 2
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},
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["size"] = new JArray
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{
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sectionBox.Max.X - sectionBox.Min.X,
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sectionBox.Max.Y - sectionBox.Min.Y,
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sectionBox.Max.Z - sectionBox.Min.Z
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}
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};
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root["sectionBox"] = sectionBoxInfo;
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// 2. 导出文档信息
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var docInfo = new JObject
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{
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["fileName"] = document.FileName ?? "Unknown",
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["units"] = document.Units.ToString(),
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["exportTime"] = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"),
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["objectCount"] = objects.Count
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};
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root["documentInfo"] = docInfo;
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// 3. 导出对象列表
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var objectsArray = new JArray();
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foreach (var item in objects)
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{
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var bbox = item.BoundingBox();
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var objInfo = new JObject
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{
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["name"] = GetFullPathName(item),
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["boundingBox"] = new JObject
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{
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["min"] = new JArray { bbox.Min.X, bbox.Min.Y, bbox.Min.Z },
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["max"] = new JArray { bbox.Max.X, bbox.Max.Y, bbox.Max.Z },
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["center"] = new JArray
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{
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(bbox.Min.X + bbox.Max.X) / 2,
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(bbox.Min.Y + bbox.Max.Y) / 2,
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(bbox.Min.Z + bbox.Max.Z) / 2
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},
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["size"] = new JArray
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{
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bbox.Max.X - bbox.Min.X,
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bbox.Max.Y - bbox.Min.Y,
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bbox.Max.Z - bbox.Min.Z
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}
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}
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};
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// 添加Transform信息（仅非单位变换）
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try
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{
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var components = item.Transform.Factor();
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var rotation = components.Rotation.ToAxisAndAngle();
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bool isIdentity = Math.Abs(rotation.Angle) < 0.0001 &&
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Math.Abs(components.Scale.X - 1) < 0.0001 &&
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Math.Abs(components.Scale.Y - 1) < 0.0001 &&
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Math.Abs(components.Scale.Z - 1) < 0.0001 &&
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Math.Abs(components.Translation.X) < 0.0001 &&
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Math.Abs(components.Translation.Y) < 0.0001 &&
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Math.Abs(components.Translation.Z) < 0.0001;
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if (!isIdentity)
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{
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objInfo["transform"] = new JObject
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{
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["translation"] = new JArray { components.Translation.X, components.Translation.Y, components.Translation.Z },
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["rotation"] = new JObject
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{
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["axis"] = new JArray { rotation.Axis.X, rotation.Axis.Y, rotation.Axis.Z },
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["angle"] = rotation.Angle
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},
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["scale"] = new JArray { components.Scale.X, components.Scale.Y, components.Scale.Z }
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};
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}
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}
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catch (Exception ex)
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{
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LogManager.Debug($"获取Transform信息失败: {ex.Message}");
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}
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objectsArray.Add(objInfo);
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}
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root["objects"] = objectsArray;
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return root;
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}
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/// <summary>
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/// 获取对象的全路径名称
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/// </summary>
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private string GetFullPathName(ModelItem item)
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{
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if (item == null) return "";
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var pathParts = new List<string>();
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// 从当前节点向上遍历到根节点
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var current = item;
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while (current != null)
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{
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string name = current.DisplayName;
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if (!string.IsNullOrEmpty(name))
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{
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pathParts.Insert(0, name);
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}
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current = current.Parent;
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}
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// 使用 "/" 连接路径
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return string.Join("/", pathParts);
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}
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/// <summary>
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/// 显示保存文件对话框
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/// </summary>
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private string ShowSaveFileDialog()
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{
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using (var dialog = new SaveFileDialog())
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{
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dialog.Filter = "JSON files (*.json)|*.json|All files (*.*)|*.*";
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dialog.DefaultExt = "json";
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dialog.FileName = $"SectionBox_Export_{DateTime.Now:yyyyMMdd_HHmmss}.json";
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dialog.Title = "导出剖面盒信息";
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if (dialog.ShowDialog() == DialogResult.OK)
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{
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return dialog.FileName;
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}
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}
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return null;
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}
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}
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}
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@ -171,6 +171,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
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public ICommand TestVoxelPathFindingCommand { get; private set; }
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public ICommand ReadTransformTestCommand { get; private set; }
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public ICommand CoordinateSystemExplorerCommand { get; private set; }
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public ICommand ExportSectionBoxCommand { get; private set; }
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// 坐标系设置
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public ObservableCollection<string> CoordinateSystemOptions { get; private set; }
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@ -308,6 +309,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
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TestVoxelPathFindingCommand = new RelayCommand(() => ExecuteTestVoxelPathFinding());
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ReadTransformTestCommand = new RelayCommand(() => ExecuteReadTransformTest());
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CoordinateSystemExplorerCommand = new RelayCommand(() => ExecuteCoordinateSystemExplorer());
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ExportSectionBoxCommand = new RelayCommand(() => ExecuteExportSectionBox());
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// 初始化坐标系选项
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CoordinateSystemOptions = new ObservableCollection<string> { "AutoDetect", "ZUp", "YUp" };
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@ -1764,6 +1766,68 @@ namespace NavisworksTransport.UI.WPF.ViewModels
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}, "坐标系探索");
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}
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/// <summary>
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/// 执行导出剖面盒功能
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/// </summary>
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private void ExecuteExportSectionBox()
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{
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SafeExecute(() =>
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{
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try
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{
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UpdateMainStatus("正在导出剖面盒信息...");
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LogManager.Info("开始导出剖面盒信息");
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var doc = Autodesk.Navisworks.Api.Application.ActiveDocument;
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if (doc == null || doc.IsClear)
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{
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System.Windows.MessageBox.Show(
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"没有活动的文档！请先打开一个模型。",
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"错误",
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System.Windows.MessageBoxButton.OK,
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System.Windows.MessageBoxImage.Error);
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UpdateMainStatus("导出剖面盒失败：无活动文档");
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return;
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}
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// 使用导出功能类
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var exporter = new NavisworksTransport.Core.SectionBoxExporter();
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string filePath = exporter.ExportToJson(doc);
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if (!string.IsNullOrEmpty(filePath))
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{
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var result = System.Windows.MessageBox.Show(
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$"剖面盒信息已导出到：\n{filePath}\n\n是否打开文件所在目录？",
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"导出成功",
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System.Windows.MessageBoxButton.YesNo,
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System.Windows.MessageBoxImage.Information);
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if (result == System.Windows.MessageBoxResult.Yes)
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{
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System.Diagnostics.Process.Start("explorer.exe", $"/select,\"{filePath}\"");
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}
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UpdateMainStatus($"剖面盒信息已导出: {filePath}");
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LogManager.Info($"剖面盒信息导出成功: {filePath}");
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}
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else
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{
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UpdateMainStatus("导出剖面盒被取消或失败");
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}
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}
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catch (Exception ex)
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{
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LogManager.Error($"导出剖面盒异常: {ex.Message}", ex);
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System.Windows.MessageBox.Show(
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$"导出剖面盒出现异常：\n{ex.Message}",
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"错误",
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System.Windows.MessageBoxButton.OK,
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System.Windows.MessageBoxImage.Error);
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UpdateMainStatus($"导出剖面盒异常: {ex.Message}");
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}
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}, "导出剖面盒");
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}
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#endregion
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#region 辅助方法
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@ -236,6 +236,11 @@ NavisworksTransport 系统管理页签视图 - 采用与其他页签一致的Nav
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<Button Content="检查更新"
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Command="{Binding CheckUpdateCommand}"
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Style="{StaticResource SecondaryButtonStyle}"/>
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||||
|
||||
<Button Content="导出剖面盒"
|
||||
Command="{Binding ExportSectionBoxCommand}"
|
||||
Style="{StaticResource ActionButtonStyle}"
|
||||
ToolTip="导出当前剖面盒内的对象包围盒信息到JSON文件"/>
|
||||
</StackPanel>
|
||||
</StackPanel>
|
||||
</Border>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user