One click takeoff on pdf plan

Job ID: 36811779

Budget: £250 – £750 GBP

I need software developed:

- The software will be downloadable.
- Ability to upload and display a pdf plan.
- Click on an area of the plan and the software will recognise a shape, highlight the shape, and provide an area measurement.

eg. User cicks within the area '73' on the attached plan. (see screenshot).
Area goes yellow and measure is displayed. (see jpeg).