Tecnicas de visualização cientifica e computação distribuida em quimica : uma contribuição a quimica computacional

AUTOR(ES)
DATA DE PUBLICAÇÃO

1988

RESUMO

The application of network computing in chemistry was investigated aiming scientifc visualization and distributed computing. For scientific visualization a graphics library capable of high quality 3D rendering was developed using open standards available under the Unix operating system. This library features a depth buffer for hidden line anel surface removal, light calculation for several ilumination models and an alpha buffer for transparency effects. On top of this library a small set of chemically interesting objects and functions were writen and used to develop application programs for molecular visualization. The library is able to run on networked environments using the X Window protocol for remote display using the TCP/IP protocol as the transport. Several methods of interprocess comunication were investigated, BSD sockets and shared memory techniques were used to rewrite sequential programs for distributed execution. The relative performance of standard I/O mechanisms and networked methods were measured and compared in the same manner as the socket and shared memory techiques. Available publiclibraries and standards were used to develop applications and the measurements.

ASSUNTO(S)

computação grafica unix (sistema operacional de computador)

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