Creates the graphical view over a grid world V = ROBOTSGWVIEW(GW, CFG) Creates the GUI view over a grid world. The view will take care of maintaining and displaying the graphical representation of the grid world. Parameters: GW - the robotsgw whose view is being created CFG - other configuration options. Structure with fields: repres - either 'abstract' or 'realistic'. In abstract representations, agents are represented by circles, and their goals by ...? TODO. In "realistic", ...? TODO decide if keeping. Default 'abstract'. showafter - make world visible only after this number of trials. If Inf, world will be invisible throughout the learnign process. Default Inf. slowdownafter - similarly, but for slowing down the learning process for visualization. Takes effect only after 'showafter' trials. Default Inf. Returns: V - the created robotsgw view See also robotsgw, robotsgw_display, robotsgwview_isvisible