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The Client Figure 5.8: A scheme has been loaded. The information about the previous positions of the modules is not absolutely necessary for the scheme, so they are placed in relatively increased coordinates. 5.5.3. Executing a scheme The third option a user has for a scheme is to run it. The only thing for running the scheme is to press the ‘RUN’ button. The word ‘SCHEME’ is sent to the server, followed by the XML scheme. The server writes it to a temporary file, and calls MVE to execute it. If there are any output files, they are stored on the server’s directory. If the scheme contained any rendering modules, the output files with the image (or VRML object) are sent to the client. The client renders the resulting objects. The example illustrated in the figures is as follows: 64
