Eulumdat WASM Editor

A browser-based Eulumdat (LDT/IES) photometric file editor built with Rust and WebAssembly.

Features

• Open/Save LDT files - Load and save Eulumdat format files
• Export to IES - Convert to IESNA LM-63-2002 format
• Drag & Drop - Drop LDT files directly onto the editor
• Live Validation - Real-time validation with 44 constraint checks
• Polar Diagram - Interactive visualization of intensity distribution
• Editable Data Table - Edit intensity values directly
• Clipboard Support - Copy data to Excel/Calc

Tabs

1. General - Identification, type indicator, symmetry, metadata
2. Dimensions - Physical dimensions and optical properties
3. Lamp Sets - Configure up to 20 lamp sets
4. Direct Ratios - Utilization factors for room indices

Building

Prerequisites

• Rust with wasm32-unknown-unknown target
• Trunk (cargo install trunk)

Development

cd eulumdat-wasm
trunk serve

Open http://127.0.0.1:8080 in your browser.

Production Build

trunk build --release

Output will be in the dist/ directory.

Technology Stack

• Yew - Rust/WASM web framework
• Gloo - Browser API bindings
• eulumdat - Core parsing library

Screenshots

The editor provides:

• Multi-tab interface for editing all Eulumdat fields
• Real-time polar diagram visualization
• Validation panel showing warnings and errors
• Summary panel with calculated metrics (flux, efficacy, beam angle)

License

MIT OR Apache-2.0