2009•Shanxi ArchitectureRequires access

Deep analysis on the projection questions in architectural drawing

Deng Xue-xion

Abstract

The interrelationships and differences between projection phenomenon and projection are elaborated.In view of the three component elements of projection the characteristics of projective line are analyzed under the conditions that relative position of object and projective plane maintain constant.Four properties of parallel projection and its engineering application are analyzed.In the end practical significance to study projection make definite.

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Key concepts: Projection (relational algebra), Projection plane, Planar projection, Graphical projection, Parallel projection, Oblique projection, Vector projection, Mathematics