What Are Contour Lines?

Contour lines, also called "outer lines", refer to the outer edge boundaries of individuals, groups, or scenes in the composition of a movie. They are the boundaries between one object and another, and between the object and the background. In mechanical drawing, when the axis of the rotator is parallel to the projection plane, it is the boundary line that distinguishes the visible and invisible parts of the rotator on the rotator relative to the projection plane. The projection on is called the contour line.

contour line

Right!
Contour lines, also called "outer lines", refer to the outer edge boundaries of individuals, groups, or scenes in the composition of a movie. They are the boundaries between one object and another, and between the object and the background. In mechanical drawing, when the axis of the rotator is parallel to the projection plane, it is the boundary line that distinguishes the visible and invisible parts of the rotator on the rotator relative to the projection plane. The projection on is called the contour line.
Chinese name
contour line
Alias
Outer line
Use
Film composition
Types of
Outer margin line
The outline of each object is different. Even if the same object has different outline shapes from different angles. In film creation, according to the requirements of directors and photographers, the most characteristic and expressive contour shape of this object should be selected and shot at an appropriate photography angle.
In general, the factors that affect the contour of an object are: the selection of light conditions and the configuration of light sources, the configuration of light and shadow tones, the camera angle and shooting direction, the setting of exposure values, and the method of processing.
The above is the title in the movie. Then, in mechanical drawing, the contour line refers to the boundary line that distinguishes the visible and invisible parts of the rotary surface on the rotary body with respect to the projection surface when the axis of the rotary body is parallel to the projection plane. This is called the rotary line. The projection on the projection surface is called the contour line. [1]

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