Post on 02-Mar-2021
transcript
Introduction to Medical Illustration
PLME 0400
Drawing 6
Creating a sketch
• Learning how to draw• Learning what to draw
– The sketch: • Composition• Orientation• What to show and what not to show• Didactic value
• Not: photographic representation
Medical Illustration: The Sketch
• Photograph or illustration?– Extraneous information obscures the topic– “Good” photography is difficult
Choosing what to show
• Photograph or illustration?– “Good” photography is difficult – esp. when live – “Explain” the photograph– Sometimes, a stylized illustration is better
Choosing what to show
Gallbladder GallbladderGallbladder
Cystic duct Cystic ductCystic duct
Cystic artery Cystic arteryCystic artery
• Reduce complex shapes to simple ones
• Use boxing volumes to choose the point of view
Point of View
• Reduce complex shapes to simple ones• Use boxing volumes to choose the point of view
Point of View
©Masson©Masson ©Masson
• Scientific approach to (technical) illustration– IBIS: Intent‐Based Illustration System
Narrative
• Primitive goals:– Include the object
Narrative
Object
Seligmann DD, Feiner S (1989): Specifying composite illustrations with communicative goals. Columbia University
• Primitive goals:– Include the object– Recognizable object– Color object– Mute object
Narrative
• Compound goals:– State of object– Location context– Landmark context– Change of object
Object
Seligmann DD, Feiner S (1989): Specifying composite illustrations with communicative goals. Columbia University
• The object:– Change material– Add light– Outline – Subdue other objects
Narrative
Seligmann DD, Feiner S (1989): Specifying composite illustrations with communicative goals. Columbia University
Object
• Primitive goals:– Include the object– Recognizable object– Color object– Mute object
Narrative
• Compound goals:– State of object– Location context– Landmark context– Change of object
Seligmann DD, Feiner S (1989): Specifying composite illustrations with communicative goals. Columbia University
Object
• Hierarchy to develop the ideal figure(s)
Narrative
Seligmann DD, Feiner S (1989): Specifying composite illustrations with communicative goals. Columbia University
• What’s the best angle to show everything?• Use transparency – sparingly
Point of View
• What’s the best angle to show everything?• Use inserts – sparingly
Point of View
• What’s important – and what’s not– Can you reduce the number of figures?
• Why the baby picture?• Abdominal distension??• Why the diaper??
Choosing what to show
• Planning the illustration(s)– Bird’s eye view v. close‐ups; situate the field
The Physician as Illustrator
• Planning the illustration(s)– Bird’s eye view v. close‐ups; situate the field – Best viewpoint to show everything you need
The Physician as Illustrator
©Masson©Masson©Masson
• Planning the illustration(s)– Bird’s eye view v. close‐ups; situate the field – Best viewpoint to show everything you need– Cut away organs, show just enough landmarks
The Physician as Illustrator
• Planning the illustration(s)– Bird’s eye view v. close‐ups; situate the field – Best viewpoint to show everything you need– Cut away organs, show just enough landmarks– Labeling: don’t cross lines, don’t obscures things
The Physician as Illustrator
• Planning the illustration(s)– Bird’s eye view v. close‐ups; situate the field – Best viewpoint to show everything you need– Cut away organs, show just enough landmarks– Labeling: don’t cross lines, don’t obscures things
The Physician as Illustrator