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Overview

ProCad is organized as a layered CAD workspace:

• ProCadSharp.Core defines document services, read/write options, file formats, metadata, validation, identity traversal, diffing, batch search, and export contracts.
• ProCadSharp.IO maps those contracts onto ACadSharp for DWG and DXF load/save workflows.
• ProCadSharp.Rendering turns CAD documents into a platform-neutral RenderScene made of primitives, bounds, styles, diagnostics, metadata, and hit-test data.
• ProCadSharp.Editing owns command execution, interactive adapters, editor sessions, operation batches, transactions, undo/redo, clipboard, constraints, snaps, tracking, grips, and entity indexing.
• ProCadSharp.Collaboration shares operation batches, presence, conflict state, snapshots, and transport events between participants.
• ProCadSharp.Scripting runs Roslyn C# scripts and command scripts against ProCad workspace services.
• ProCadSharp.Controls* packages expose reusable render-scene viewers/editors for Avalonia, Uno, and MAUI.
• ProCad and ProCad.Desktop provide the Avalonia app shell.
• ProCad.Browser hosts the same app model in WebAssembly.
• ProCad.TraceCli provides repeatable render profiling outside the UI.

Main Workflows

1. Open a DWG or DXF document.
2. Inspect the document tree, properties, layers, blocks, viewports, entity types, style tables, and raw/semantic DXF or DWG data.
3. Render the drawing as wireframe, hidden line, or shaded scene with diagnostics and stats.
4. Edit geometry through command-line commands or interactive tools.
5. Compare documents, run batch queries, export results, or automate changes through scripts.
6. Share a session through the collaboration layer when a transport is configured.

Current Scope

The repository is not only a control package. It contains a full CAD workspace, platform controls, domain services, and validation harnesses. The API reference documents the reusable library surface; the articles explain the app and integration scenarios.