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Image generating apparatus, image generating method, and computer program

A technology for generating devices and generating equipment, which is applied in the field of computer programs and can solve problems such as insufficient movement of the display area, insufficient image information to cover the display area, etc.

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

This technology is a simple technology for displaying 3D images, but no matter how much the frame buffer capacity is increased, this solution of using a larger frame buffer is not enough to solve the problem of display area movement, which is Because the image information stored in the larger frame buffer is insufficient to cover the display area that changes with changes in the visual point that typically changes in the 3D image

Method used

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  • Image generating apparatus, image generating method, and computer program
  • Image generating apparatus, image generating method, and computer program
  • Image generating apparatus, image generating method, and computer program

Examples

Experimental program
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no. 1 example

[0069] Refer below Figure 1 to Figure 7 The image generating apparatus of the first embodiment will be described.

[0070] First, refer to figure 1 The basic configuration of the image generating apparatus of this embodiment is described.

[0071] exist figure 1 Among 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. The coordinate conversion information 14 includes coordinate information from the position information device 16 and the like, and is sequentially set based on the coordinate information. The position information device 16, as an example of a change information providing device, may be a positioning device applied to a mov...

no. 2 example

[0116] 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.

[0117] First, refer to Figure 10 , generally describing the navigation system used in the current embodiment.

[0118] 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) generates coordinate transformation information and drawing object information, which are divided from data to generate an image, with respective information generating device. The graphics library (12) stores and manages these coordinate transformation information and drawing object information. The drawing device generates a 3D image on the basis of these stored and managed data, and then outputs the generated 3D image to a display device. The drawing object information is generated relative to an area bigger than a visual range corresponding to the 3D image to be generated at the present.

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): G09B29/00G01C21/00G06T15/00G06T17/05G06T19/00G09B29/10
CPCG06T13/20G01C21/3638A63F2300/6661G06T15/20A63F2300/205G06T19/003
Inventor 松本令司安达肇
Owner PIONEER CORP
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