초록 ▼

The map 3D-converter system for converting 2D maps into a 3D map, of the present invention, comprises: a 2D map data storage device for storing 2D map data with an attribute indicating that the 2D map data includes horizontal positions of the top view, or vertical positions of a side view; a 3D conv

The map 3D-converter system for converting 2D maps into a 3D map, of the present invention, comprises: a 2D map data storage device for storing 2D map data with an attribute indicating that the 2D map data includes horizontal positions of the top view, or vertical positions of a side view; a 3D conversion instructor for specifying an identification value for identifying a target map and a reference position for developing the target map in a 3D space; a 3D converter for converting the 2D map data, read from the 2D map data storage device, into 3D map data, based on the identification value and the reference position specified by the 3D conversion instructor; and a 3D map data storage device for storing the 3D map data produced by the 3D converter.

대표청구항 ▼

The map 3D-converter system for converting 2D maps into a 3D map, of the present invention, comprises: a 2D map data storage device for storing 2D map data with an attribute indicating that the 2D map data includes horizontal positions of the top view, or vertical positions of a side view; a 3D conv

The map 3D-converter system for converting 2D maps into a 3D map, of the present invention, comprises: a 2D map data storage device for storing 2D map data with an attribute indicating that the 2D map data includes horizontal positions of the top view, or vertical positions of a side view; a 3D conversion instructor for specifying an identification value for identifying a target map and a reference position for developing the target map in a 3D space; a 3D converter for converting the 2D map data, read from the 2D map data storage device, into 3D map data, based on the identification value and the reference position specified by the 3D conversion instructor; and a 3D map data storage device for storing the 3D map data produced by the 3D converter. emitting state; executing a first light emission sustaining process for causing only the discharge cells in a light emitting state out of said discharge cells belonging to said first display area by a frequency corresponding to the weight of said subfield; and executing a second light emission sustaining process for causing only the discharge cells in light emitting state of said discharge cells belonging to said second display area by a frequency corresponding to the weight of said subfield: wherein, in a subfield with less weight of each of said subfield, said first light emission sustaining process is executed immediately after the completion of said first picture element data write process and said second picture element data write process is executed immediately after the completion of said first light emission sustaining process, and said second light emission sustaining process is executed immediately after the completion of said second picture element data write process. 2. A method for driving a plasma display panel according to claim 1, wherein in a subfield with greater weight of said subfields, said first light emission sustaining process comprises a first divided light emission sustaining process for causing only the discharge cells in said light emitting state of said discharge cells belonging to said first display area to discharge for sustaining the light emission cell state, and a simultaneous light emission sustaining process for causing only the discharge cells in said light emitting cell state to discharge for the sustaining light emission state by a frequency corresponding to the weight of said subfield; said second light emission sustaining process comprises a second divided light emission sustaining process for causing only the discharge cells in said light emitting cell state of said discharge cells belonging to said second display area to discharge for sustaining the light emission state by a predetermined frequency, and a simultaneous light emission sustaining process; and said first divided light emission sustaining process is executed immediately after the completion of said first picture element data write process, said second picture element data write process is executed immediately after the completion of said first divided light emission sustaining process, said simultaneous light emission sustaining process is executed immediately after the completion of said second picture element data write process, said first picture element data write process is executed immediately after the completion of said simultaneous light emission sustaining process in the next subfield, and said second divided light emission sustaining process is executed immediately after the completion of said first picture element write process. 3. A method for driving a plasma display panel according to claim 1, wherein: a simultaneous reset process is executed for initializing all of said discharge cells to said light emitting cell state by generating a wall charge in said discharge cells by discharging all of said discharge cells for resetting only in said subfield at the head of said one field; each of said discharge cells belonging to said first display area is set to said non-light emitting cell state by discharging each cell selectively for erasing in response to said picture element data only in said first picture element data write process for one of said subfields; and each of said discharge cells belonging to said second display area is set to said non-light emitting cell state by discharging each cell selectively for erasing in response to said picture element data only in said second picture element data write process for one of said subfields. 4. A method for driving the gradations of a plasma display panel in which a discharge cell responsible for a picture element is formed at each intersection between each row electrode corresponding to each display line and each column electrode intersect