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BuildTrace
1
Upload & Split
2
Drawing Names
3
Review Files
4
Align & Overlay
5
Change Detection
Import Drawings
Import drawings from local files or a connected platform.
Local PDF
Procore
ACC
Fieldwire
ProjectSight
Old PDF (Previous Version)
Not uploaded
📄
Drop PDF here or click to browse
New PDF (Current Version)
Not uploaded
📄
Drop PDF here or click to browse
OR USE EXISTING FOLDERS
OR PULL FROM CLIENT SESSION
Pull uploaded files from a linked ReviewApp project on Supabase.
My Procore Login
Service Account
Sign in with your own Procore account. Shows projects you have personal access to.
Not connected
Checking…
Auto-detect Updates
Hand Pick
Drawing #
Title
Old Rev
New Rev
Status
Drawing #
Title
Old Revision
New Revision
Importing from Procore...
My Autodesk Login
Custom Integration
Service Account
Sign in with your own Autodesk account. Shows projects you have personal access to.
Not connected
Checking…
Checking…
Loading...
No matching files or subfolders found.
Sheet
Title
Old Version
New Version
Status
Current Set — latest version of every published sheet
#
Sheet
Title
Latest Version
Auto-detect Updates
Hand Pick
File Name
Old Ver
New Ver
Status
File Name
Old Version
New Version
Importing from ACC...
Not connected
Set FIELDWIRE_API_TOKEN in your .env
(Account → API settings → Manage tokens in Fieldwire),
then restart the server.
Auto-detect Updates
Hand Pick
Plan Name
Description
Old Ver
New Ver
Status
Plan Name
Description
Old Version
New Version
Importing from Fieldwire...
Not connected
Set PROJECTSIGHT_CLIENT_ID and PROJECTSIGHT_CLIENT_SECRET
in your .env (from your Trimble Developer Portal app),
then restart the server.
Auto-detect Updates
Hand Pick
Number
Title
Old Rev
New Rev
Status
Number
Title
Old Revision
New Revision
Importing from ProjectSight...
Extract Drawing Names
Detect drawing names from PDFs and rename files. Fix any names that couldn't be detected automatically.
Old Pages — Drawing Names
New Pages — Drawing Names
Review & Match Files
Verify matched drawing pairs between old and new versions before creating overlays.
Align & Create Overlays
Run alignment and generate overlay comparisons. Red = removed, Green = added, Gray = unchanged.
Compare Two Drawings
Drop file here
Drop file here
BATCH — ALL MATCHED PAIRS
Batch Overlay
Run overlay alignment for all matched pairs from Step 3.
Method:— Simple mode skips feature matching; useful when CV alignment fails or inputs are already co-registered.
Processing...
0 / 0
Change Detection
Analyze overlays to detect changes. PNG → BuildTrace Pro, PDF → BuildTrace Opus.
|0 selected
Ready0/0
Loading overlay results...
Sync with ReviewApp
Selectively push results to Supabase or pull reviewed edits back.
ReviewAppNot linked
Total Pages
0
Local Only
0
Synced
0
Remote Edits
0
Conflicts
0
▾Sync Log
📄
Compiled Report (POC PDF)No PDF yet
Compile a report from AI Studio → Compile Report to enable upload.
Select:
Filter by type:
Link a project to see sync status.
Overlay Results
Browse all overlays. Click "Analyze Blocks" on any pair to run per-block segmentation & alignment.
Per-Block Analysis
Analyzing...
Ready
Segmenting both sheets with Gemini...
Old Sheet
0 blocks
New Sheet
0 blocks
Block
Manual Block Compare
Select one block from each sheet to create a custom overlay
Block Matches
0 matched
Per-Block Overlays
Select a block above to view its overlay.
Unmatched Blocks
AI Studio
Use AI to analyze overlay results and generate change reports.
📎 Context Files (0)
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|
not checked yet
0/9 sections complete
🏷️ Report Metadata (cover page)
These fields fill the cover page of the compiled PDF. Leave any blank to hide that row.
🗺️ Section Pipeline
— click a chip to jump to its section
DoneRunningReadyBlocked
💡 Custom Prompt
Subcontractor COR Audit
Upload subcontractor Change Order Requests (CORs). BuildTrace reads each one and reconciles it against this session's detected drawing changes — flagging phantom scope (overcharge), scope the sub missed, and changes we may have missed.
No CORs uploaded yet.
Export Overlays as PDF
Select and drag to reorder overlay files for the merged PDF:
0 selected
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Edit File
Console
Preview
Manual PDF Overlay —
|Zoom:
OLD (red) — click each landmark here first
NEW (green) — then click the same landmark here
|Fine-tune (pt):
Manual Alignment —
Drag the NEW image (semi-transparent, on top) to align with the OLD image underneath.
Translation only — no scale or rotation. Use arrow keys for 1-px nudges (Shift = 10 px).
