GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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23:12 Aug 28, 2019 |
Polish to English translations [PRO] Science - Mathematics & Statistics | |||||||
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| Selected response from: PanPeter Local time: 15:44 | ||||||
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3 +1 | axonometric projection forshortenings |
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axonometric projection forshortenings Explanation: Types of axonometric projections I am not familiar how the axonometric projection is dealt in English literature. Here some statements common in German literature (see the German version of axonometric projection): 1) An axonometric projection is a scaled parallel projection (Theorem of Pohlke), mostly oblique (for example: military view, cabinet view), in special cases an orthographic projection, sometimes a scaled orthographic projection (Ingenieur-Axonometrie, standard isometry). 2) An axonometric projection is determined by 5 parameters: the 3 forshortenings vx.vy,vz and the 2 angles alpha, beta between the x- and z-axis and between the y- and z-axis. 3) An axonometric projection is called a) isometric, if vx=vy=vz, b) dimetric, if 2 of the vx,vy,vz are equal and 3) trimetric, if vx,vy,vz are all different. For the popular standard isometry we have besides vx=vy=vz that alpha=beta=120 degree. The standard isometry is a scaled orthographic projection. For the parameters for the military view and the cabinet view see the picture . |
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