in testingElectrical estimating
Counting plans on the screen
Precon Takeoff Desk
Estimators counted devices and footage by hand on paper plans and retyped totals into spreadsheets, so bids were slow and errors were easy to make.
See how it was done
Case study · Electrical estimating
Drawing OCR
A Drawing OCR module that reads text from plan sheets so estimators can search, index and pull schedules from drawings.
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How it was done · told by Index Ingrid
Drawings that read themselves
- 1
The problem
Panel schedules, sheet titles and notes on drawings had to be read and typed in by hand.
- 2
The bees make a plan
A Drawing OCR module that reads text from plan sheets so estimators can search, index and pull schedules from drawings.
- 3
Build
- Collected sample plan sheets
- Tested OCR engines on real drawings
- Built indexing and search into the takeoff desk
- 4
Test
Planned an upgrade path for tougher sheets
- 5
Where it stands
Built and in testing, with an accuracy upgrade planned.
The technology we used
Named, because we really use it.
- OCR
- TypeScript
- PostgreSQL
Technology names are text only. Naming a vendor is not a partnership or sponsorship claim.
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