摘要:
A map creation device includes a simple-ground-information creating unit, an on-ground-structure-information creating unit, and a map-information creating unit. The simple-ground-information creating unit creates, based on the ground object, a simple ground object expressing the three-dimensional shape with less amount of data than the ground object. The on-ground-structure-information creating unit creates, based on the simple ground object, an on-ground-structure object expressing a three-dimensional shape of an on-ground structure that is present on a surface of the ground by adding height information to a two-dimensional on-ground-structure object expressing a two-dimensional shape of the on-ground structure. The map-information creating unit creates map information in which the on-ground-structure object is superimposed on the ground object.
摘要:
In case it is necessary to have high-speed drawing processing such as display scrolling and so on, a drawing switching signal is input at a step, and high-speed drawing display data is output to a display at a step in response to this input, thereby display is performed. A high-speed drawing data generating means generates high-speed drawing display data for displaying each pixel concerning a character or visual object using a digitized gradation value digitized from each corresponding gradation value, and display is performed on this generated data. When it is necessary to have high-speed drawing, it is possible to have quick processing without increasing loads on a CPU and graphic controller on digitized data from gradation value.
摘要:
A font controller extracts and reads each time only the pre-rasterized bitmap font data groups to be used simultaneously among a plurality of pre-rasterized bitmap font data groups stored on the hard disk drive in advance, and expands and stores the groups in a work memory. With this arrangement, it is possible to significantly decrease the amount of memory consumed because the memory capacity required in the work memory is sufficient only with the read data amount to be extracted.
摘要:
A drawing apparatus for displaying video images on a plurality of display devices respectively, the apparatus is provided with: a video signal generating device for generating a plurality of different video signals; and a signal transmitting device for transmitting each of the plurality of different video signals to the plurality of display devices corresponding to each of the different video signals.
摘要:
In a map creation device (100), a simple-three-dimensional-ground-information creating unit (104) creates, using a three-dimensional ground object indicating a three-dimensional shape of a ground, a simple-three-dimensional ground object having less amount of data than the three-dimensional ground object. A three-dimensional-on-ground-structure-information creating unit (105) adds, using the simple-three-dimensional ground object created, height information to a two-dimensional on-ground-structure object indicating a two-dimensional shape of an on-ground structure present on a surface of the ground. Then, a three-dimensional on-ground-structure object indicating a three-dimensional shape of the on-ground structure is created. A three-dimensional-map-information creating unit (106) creates three-dimensional map information based on the three-dimensional ground object and the three-dimensional on-ground-structure object.
摘要:
A data generating apparatus includes an acquiring unit that acquires text data (name data) related to a name associated with position information; a classifying unit that using the acquired position data, classifies the name data according to given regions; an integrating unit that integrates neighboring regions such that the total data size of the name data included in regions to be integrated does not exceed a predetermined given data size; a storage unit that groups the name data according to integrated regions and stores the grouped name data as a name dictionary to be used in both a facility search process and a map display process; and an extracting unit that from the classified name data, extracts the name data common to regions of a given number or more, where the storage unit groups and stores the common name data as a common name dictionary different from the name dictionary.
摘要:
A ground object is arranged so that it overlaps with a cylindrical object. Inside the cylindrical object, foot data of the ground object is arranged. Since the foot data on the side of a fore-end opening is positioned behind a fore-end face object with respect to view point coordinates, hidden surface removal is carried out for an image of the foot data on the side of the fore-end opening viewed from the view point coordinates by a Z value of a transparent drawn image of the fore-end face object.
摘要:
A ground object is arranged so that it overlaps with a cylindrical object. Inside the cylindrical object, foot data of the ground object is arranged. Since the foot data on the side of a fore-end opening is positioned behind a fore-end face object with respect to view point coordinates, hidden surface removal is carried out for an image of the foot data on the side of the fore-end opening viewed from the view point coordinates by a Z value of a transparent drawn image of the fore-end face object.
摘要:
A navigation device (10) having measurement means (12) for measuring both (i) the position of travel of a mobile body driven by a driver and (ii) travel information as information on traveling conditions; determination means (22) for determining the degree of danger based on the measured traveling conditions; point processing means (22 etc.) for adding/subtracting a point corresponding to the determined degree of danger; providing means (19, 20, etc.) for providing the driver with a message; acquisition means (16 etc.) for acquiring accident information; and control means (22 etc.) for controlling, based on the acquired accident information, the providing means so that a predetermined message corresponding to the point obtained by addition/subtraction is provided.
摘要:
A 3D road object is an object having road width, height, and length. The 3D road object corresponds to a link. A road surface texture is drawn repeatedly on the top surface of the 3D road object. With a map information creating device, geometry data in a cube shape containing a cross-section including the road width and the height can be extracted. Length of this geometry data can be set to the length of one sheet (one cycle) of the road surface texture in the length direction of the 3D road object. The road surface texture for one sheet as well as drawing cycle information can also be extracted. Moreover, link length information can be extracted from the link.