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Image creation apparatus and method, and computer program

A technology for generating devices and images, which is applied in the field of computer programs, can solve problems such as the reduction of drawing processing speed, and achieve the effect of increasing drawing speed

Inactive Publication Date: 2004-12-29
PIONEER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] On the other hand, the aforementioned OpenGL has the function of making a display list for coordinate transformation. Therefore, when the drawing device used does not have a complete coordinate transformation function, it is necessary to perform coordinate transformation in the CPU, which will cause the drawing processing reduction in speed

Method used

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  • Image creation apparatus and method, and computer program
  • Image creation apparatus and method, and computer program
  • Image creation apparatus and method, and computer program

Examples

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no. 1 example

[0064] Refer below Figure 1 to Figure 7 The image generating apparatus of the first embodiment will be described.

[0065] First, refer to figure 1 The basic configuration of the image generating apparatus of this embodiment is described.

[0066] exist figure 1Among them, the image generating device 1 is composed of a drawing application program processor 11, a graphics library 12 and a drawing device 13, wherein coordinate transformation information 14 such as visible points, visible ranges, light sources, etc., and information such as roads, buildings, and maps, etc. The drawing object information 15 is input into the image application processor 11. As will be described in detail below, the graphics library 12 and the drawing device 13 are combined into a system unit, which can be optionally replaced as a unit corresponding to the drawing application processor 11. This facilitates an improvement in replacement ability, which is a unique feature of the present invention...

no. 2 example

[0104] Next, another embodiment in which the above-mentioned image generating apparatus is applied to a navigation system for a movable object will be discussed below. As will be described in detail below, the various functions of the navigation system are closely related to the image generating means, thus integrating them. Incidentally, the configuration and operation of the image generating device itself are the same as those described above, so that the explanation thereof will not be repeated, but appropriate reference is made to the foregoing explanations.

[0105] First, refer to Figure 8 , generally describing the navigation system used in the current embodiment.

[0106] The navigation system has an autonomous positioning device 30, a GPS receiver 38, a system controller 40, an input / output (I / O) circuit 41, a CD-ROM drive 51, a DVD-ROM drive 52, a hard disk device (HDD) 56, a wireless A communication device 58, a display unit 60, an audio output unit 70, an input ...

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Abstract

An image generating apparatus (1) is provided with a drawing application processor (11) and a graphics library (12) that allow a drawing device (13) to generate a three-dimensional image. The drawing application processor (11) separately includes: a coordinate transformation information generating device for generating coordinate transformation information to generate an image; and a drawing object information generating device for generating drawing object information. The drawing device (13) generates the three-dimensional image by incorporating the coordinate transformation information with the drawing object information. The coordinate transformation information is managed by the identifier. The drawing device incorporates the coordinate transformation information, which is identified by the identifier for a drawing execution, into the drawing object information, to generate the three-dimensional image.

Description

technical field [0001] The present invention relates to an image generating device and method for generating a three-dimensional (3D) image based on three-dimensional coordinate information, and to an electronic device such as a navigation system incorporating the image generating device, and a computer program. Background technique [0002] Recently, R&D (research and development) on electronic controllers that control the movement of cars, and the spread of navigation systems that assist car driving are noteworthy. The navigation system has a basic configuration including various databases for displaying map information, current position information, various guide information, etc. on a display unit. Furthermore, the navigation system typically also finds driving directions based on the entered criteria. It is also designed to display a found driving route and a current location based on GPS (Global Positioning System) measurements or autonomously measured on a map, and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/00G06T15/00G08G1/0969
CPCG01C21/3638A63F2300/6661G06T15/20G06T19/003A63F2300/8017
Inventor 松本令司安达肇
Owner PIONEER CORP
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