transformation: portrait_angle_change,
source_view: direct_frontal,
target_view: 3/4_angle,
angle_degrees: 45,
style: 1920s_hollywood_glamour,
color_mode: black_and_white,
contrast: high,
lighting: {
type: studio_spot,
effect: chiaroscuro,
highlights: strong_on_one_side,
shadows: deep_on_opposite_side,
reference: george_hurrell_portraits
subject: {
gaze_direction:
slightly_away_from_camera,
preserve: [distinctive_features,
facial_expression, identity]
technical_details: {
focus: sharp_on_eyes,
skin_texture: smooth_luminous,
finish: silver_gelatin_print_appearance },
mood: timeless_elegant_dramatic,
purpose: showcase_facial_dimension
