PICTORIAL DRAWING: PARALLEL AND PERSPECTIVE PROJECTION
Format:
Paperback
En stock
0.41 kg
Sí
Nuevo
Amazon
USA
- Pictorial drawing in this volume includes parallel projection and perspective projection concepts.In Parallel projection:A complete guide for axonometric projection i.e. by auxiliary projection and by the applications of Pohlke’ theorem:• The concepts of axonometric projection i.e. isometric, dimetric and trimetric:•How to auxiliary project a drawing in dimetric or trimetric projection.•The different tilt axis planes in axonometric projection that will result in either a dimetric or trimetric projection•The axonometric tilt angles for isometric, dimetric and trimetric projections e.g. the isometric tilt angle of 35.3°•The methods of constructing axonometric scales i.e. by the auxiliary projection method and by the application of Pohlke’s theorem method •Dimetric and trimetric projection examples with their constructed scales•A comparison of the three axonometric scales•The first and second tilt angles in auxiliary projections••The construction of the first and second tilt angles for a dimetric or a trimetric projection••Pohlke’s theorem : A lines on planes approach ••Proof of Pohlke’s theorem by the auxiliary projection method•Isometric projection drawings from a true diagonal•The isometric circle and sphere projected and compared to a circle•Adjusting the isometric drawing methods for a circle to accommodate isometric projection•The comparison of constructing isometric circles using the ordinates method and the 8 points method with respect to isometric drawing or projection.•An analysis of the approximate 4 arcs method for isometric•Drawing a sphere in isometric.•The concepts of oblique projection:•The comparison of constructing oblique circles with respect to cavalier or cabinet oblique.•The 8 points method for oblique drawing as compared to the ordinates method for oblique drawing•The ordinates method for cabinet oblique.•Views of planometric drawings in 2 and 3 dimensions.In Perspective projection:•The concepts of one and two point perspective i.e. Parallel and Angular perspective (1PP and 2PP)•The concepts of perspective drawing are discussed from a path or trajectory approach. •The perspective range•The receding direction•The concepts of the vanishing points and the horizon•The planes in perspective:•Vertical and horizontal planes•Picture plane•Eye level plane•Line of Sight plane•SP to VP plane•Methods of locating points in one and two point perspective•Intersecting trajectories•Angular and parallel perspective examples and exercises
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