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Title:
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STEREO ORTHOGONAL AXONOMETRIC PERSPECTIVE FOR THE TEACHING OF DESCRIPTIVE GEOMETRY |
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Author(s):
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José Geraldo Franco Méxas, Karla Bastos Guedes, Ronaldo da Silva Tavares |
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ISBN:
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978-989-8704-08-5 |
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Editors:
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Miguel Baptista Nunes and Maggie McPherson |
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Year:
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2014 |
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Edition:
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Single |
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Keywords:
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Computer graphics; descriptive geometry; axonometric stereoscopic visualization; geogebra software |
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Type:
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Full Paper |
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First Page:
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213 |
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Last Page:
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221 |
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Language:
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English |
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Cover:
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Full Contents:
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click to dowload 
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Paper Abstract:
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The representation of figures in mongean projection (double system planned orthographic projection used in the studies of Descriptive Geometry), specially when placed in a particular situation in relation to the projection plans, possesses the quality that, through them, the actual dimensions of represented spatial objects can be found directly and without additional geometric constructions. However, these representations using orthogonal views present a disadvantage that had been observed in which the representation is not always compared to the sight of the actual object. In some complex problems, even with great effort of concentration and imagination, the idea of the represented spatial figure cannot be reached. For current students and future engineers and architects, spatial visualization in perspective and depth is of most importance. The binocular or stereo perspective is necessary for the improvement of students spatial reasoning. For this, stereo visualization programs used in computer graphics can be used. They differ from the method of the cylindrical orthogonal axonometric perspective, often taught in the courses of Descriptive Geometry. Thus, it is proposed in this work, the use of computational method anaglyphic, in which the binocular axonometric perspective is obtained from the mongean projections of the object. The developed program is indicated for the teaching/learning Descriptive Geometry. |
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