With the rapid development of manufacturing technology, the traditional simulation of machining can not meet the people's need. Research on virtual machining environment is one of the key parts of virtual manufacturing technology. According to the features of virtual turning, this paper proposes a simplified Whitted lighting model based on analysis of Phong and other local illumination model. This model takes the material and roughness of workpiece into account to calculate the roughness coefficient D, geom...
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机译:sofrimentop2íquicopotrabalhoeestratégiasdefensivasdosoperáriosterceirizadosdaconstruçãocivilpsychicic suffering in work and prevention of defense of strategy of construction of construction of construction construction