In the first stage, the rectangular bin and the coming part are transformed into matrix representation, and generating the position matrix that indicates possible ways of packing the part into the bin. The method of C,S&O hybridizes the idea of "gold corners, silver edges and grass belly" in the Chinese game Go and the method of finding picture corners in machine vision. The algorithm cannot make use of information about the sequence of future objects that are going to arrive, only knowing the shape and size of the coming one, and the coming part must be packed into the bin immediately after its arrival without buffering or readjusting. The objective of the packing problem variant is to ensure maximum use of the raw material and minimize the trim loss. In this paper, we propose a three-stage method called covering, corner-searching and occupying (C,S&O) to solve the two-dimensional multishape part packing problem. The express or ore samples come in heterogeneous shapes so they cannot all be treated as rectangular pieces. With the upgrade of the task difficulty, the traditional 2d rectangular layout algorithm can no longer meet the needs of modern industry, such as express packing task and exoplanet ore collection task. When a lighting technician “hangs” a light, it means that he attaches a light to the grid.The bin packing problem has a wide range of applications in industry. Lights and scenery are attached to the grid. GridĪ supporting structure that hangs near the ceiling, above the stage or house. Actors sometimes relax in the green room before or after the show. Green RoomĪ backstage room where the actors wait before they go onstage. Dressing RoomĪ backstage room where the actors dress and apply makeup before they go onstage. Technicians use the catwalk to reach and adjust the lights and other equipment. CatwalkĪ narrow metal bridge or walkway that’s usually very close to the ceiling and above the stage and audience. It lets technicians see the performance without being in the theater. The booth is usually at the back of the theater and is usually soundproof. The area or room from where technicians control the lights and sound for a show. Large theaters often have more than one balcony. The lowest balcony in a theater, or the first few rows of a balcony is called the Mezzanine. It sometimes overhangs the main part of the house. The seating area that is closest to the stage in the main part of the house. For example, a theater’s lobby, box office, and refreshment stand are front-of-house areas. The part of the theater that is used by the audience. For example, backstage areas are back-of-house areas. The part of the theater that is not open to the public and is used by technicians or actors. The area in the house that’s to the audience’s left or right. When someone asks, “How big is the house tonight?” they’re asking how many people are in the audience. Sometimes, the audience itself is called the house. When you’re in the audience and watching a show, you’re sitting in the house. Here are some other important places… House Not all the “action” happens on the actual stage. ![]() Parts of a theater that are most definitely off the stage The actors wait here immediately before they go onstage. ![]() The areas just off stage left or stage right, not seen by the audience. It allows actors to make surprising and dramatic entrances and exits from hidden places underneath or behind the stage. Trap DoorĪ hidden door that’s built into the stage floor (or sometimes the stage wall). The area behind the set that actors and technicians use to move from stage left to right without being seen by the audience. ![]() And yes, it sometimes looks like a giant picture frame. The pit is just off the stage, in a low area between the front of the stage and the audience. The area where musicians sit during a performance. The area of the stage that’s just in front of the curtain. The area behind the set or off the stage that’s not seen by the audience. For example, if a play’s action happens in a kitchen, the set might include a door, a table and chairs, a sink, a refrigerator, and an oven. The set is designed and built by technicians to best represent the play’s location. The physical surroundings where the action of a play takes place. Here are some important parts to know about… Set Parts of a theater that are on or near the stageĮvery part of a theater has a specific name.
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