Qin Yong-de
Abstract
This paper introduces the concepts of oblique projection method. The angle between projection line and projection plan changed and projection line lit the solid from special direction, so the shadow in projection plan overlap, the drawing has been simplified in descriptive geometry.
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This paper introduces the concepts of oblique projection method. The angle between projection line and projection plan changed and projection line lit the solid from special direction, so the shadow in projection plan overlap, the drawing has been simplified in descriptive geometry.
Key concepts: Oblique projection, Descriptive geometry, Projection (relational algebra), Shadow (psychology), Oblique case, Projection plane, Graphical projection, Geometry