Plan Drawing

Question 1

What is a plan drawing or scale drawing?

Answer 1

• Reproduction of scene as found
• Bird’s eye view showing the relative position of object at the scene
• They can assist the court:
  
  • explain complex scene to a jury in a non confusing way
  • aid in the investigation by developing a clearer understanding of what happened at the scene

Question 2

What are the two methods of measuring a scene?

Answer 2

Baseline and right angle offsets:

• simplest method
• good for short distances (<3m)

Trianguation

• Better for long distances
• use 2 fixed points

Question 3

What are two types of measurement?

Answer 3

Continuous - measure points from a common point

Additive - measure each segment individually, which would add up to the total length of the wall.