CAD Drawing Analyzer
Upload a drawing · Ask what you need to find
📖 The short version
A DXF is a text version of an AutoCAD drawing. It contains every block, line and label.
💡 How counting works
Every light fixture is a block. We read every INSERT and count them. Block names we're not sure about get a second opinion from AI instead of being silently guessed at.
🔍 Verify before you trust it
After counting, we plot every detected light on the drawing's own geometry so you can visually scan for anything missed — no automated tool can promise 100% with zero review, so this step is built in, not optional.
🔧 Upload directly
- Upload a DXF file for exact block counts
- Upload a DWG file — we convert it in your browser
- Upload PDF / Image — AI estimates the count
✅ What you get if you follow this
Every fixture gets read straight from the drawing's own block data — no AI guessing, no ambiguous names, nothing left open to interpretation. Add one short visual check at the end and the result is fully verified, not just estimated.
📋 The rules
- Use real blocks, never raw lines. Every fixture symbol must be an inserted block (INSERT), not a circle or line drawn by hand — a hand-drawn symbol has no name for any software to read.
- One code, one meaning, never reused. If "L5" means a downlight, no other discipline — HVAC, furniture, plumbing — may reuse "L5" for anything else, anywhere in the file.
- Put lights on a dedicated layer, e.g.
E-LIGHT— and never place a non-light block on that layer, even temporarily. - Never duplicate a fixture block into a legend or a detail drawing. Give the legend's example icon its own distinct block name (e.g.
LEGEND-L5) so it can never be miscounted as a real placed fixture. - Don't nest light blocks inside other blocks (for example, inside a furniture or ceiling block) — a nested block is invisible to a per-fixture count.
- Label every room with a text entity placed inside that room's own boundary, not off to the side — this is what lets fixtures be grouped by area correctly.
- List every fixture code once in a legend so nothing in the drawing is undocumented.
🔍 The one step nothing can replace
Even a perfectly compliant file can still contain a genuine drafting mistake — a duplicate, a stray copy, a fixture nobody placed. That's why every result, compliant or not, should end with a quick look at the Visual Verification overlay before you call it final. That's what turns "zero guesswork" into "100% verified" — the software's own reading was never the part that could fail.
📊 Analysis Results
Uncheck rows outside the requested scope. The total updates live. Rows in red were auto-excluded — check to include. AI = block name was uncertain and Gemini classified it — ⚠ isolated = one or more instances sit far from every other light on the drawing (could be a legend/detail-drawing symbol, or a genuine fixture in an unusual spot) — check the visual verification below either way.
| ✓ | Light Type | Source | Watt | Qty |
|---|