Reflection of light.

1. Reflection of light.

2. Specular and diffused reflection

3. Smooth or gloss surface. (Mirror, glass or still body of water) Rough or matt surface. (bricks, wood, wall paint or skin)

8. Specular reflection Diffused reflection

9. Specular reflection Diffused reflection Allows us to see ourselves Allows us to see everything

31. How do we represent this is diagrams.

32. First of all, we do NOT consider the whole building or object all at once.

34. It’s just far too complex.

35. We represent one light ray by drawing a single straight line towards the object. Then represent what happens to that one ray at a single point on the object

36. Block of Wood

37. Block of Wood

38. Single light ray Block of Wood

39. One point of interaction with object. Block of Wood

40. Block of Wood

41. Block of Wood All resulting rays begin at same point

42. Block of Wood Diffused Reflection

43. Tinted Window

44. Tinted Window Single light ray.

45. One point of interaction with object. Tinted Window

46. Tinted Window

47. Tinted Window The resulting ray begins at same point.

48. Tinted Window Specular Reflection

50. Single light ray.