JPH09282249A - Three-dimensional form communication system - Google Patents

Three-dimensional form communication system

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Publication number
JPH09282249A
JPH09282249A JP9549696A JP9549696A JPH09282249A JP H09282249 A JPH09282249 A JP H09282249A JP 9549696 A JP9549696 A JP 9549696A JP 9549696 A JP9549696 A JP 9549696A JP H09282249 A JPH09282249 A JP H09282249A
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shape
description
dimensional
unit
request
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JP9549696A
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JP2858556B2 (en
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Toshiyuki Kamiya
俊之 神谷
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Nec Corp
日本電気株式会社
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Publication of JP2858556B2 publication Critical patent/JP2858556B2/en
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Abstract

PROBLEM TO BE SOLVED: To improve interactivity to terminal operation corresponding to the three- dimensional plotting ability of a terminal by exchanging information between the display ability judging part of a three-dimensional form generating device and the display ability declaring part of a user terminal through a communication line.
SOLUTION: When a user inputs the request of a desired three-dimensional form an operation input 25, a three-dimensional form request part 23 requests the description of the form through the communication line to a three-dimensional form generator 10. At the three-dimensional form generator 10, this request is received by a form request reception part 16 and sent to a from generating part 11, and a request terminal name is reported to a display ability judging part 15. The form generating part 11 extracts a suitable three-dimensional form from a data base, and the density of image data is judged by a form density discriminating part 14. Besides, the display ability judging part 15 asks display ability to a display ability declaring part 24, receives its response and judges ability and the form is simplified based on the display ability by a form simplifying part 12 and sent from a form transmission part 13 to a user terminal 20. At the terminal 20, the form description is transformed to a perspective plotting figure and displayed on a screen.
COPYRIGHT: (C)1997,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、3次元映像を画面表示する利用者端末が通信路を介して、形状記述を生成し送出する形状生成手段に3次元の形状記述を要求して受ける3次元形状通信システムに関し、特に、利用者端末の3次元描画能力または通信回線の伝送速度能力に対応して、利用者端末操作に対する対話性を向上できる3 BACKGROUND OF THE INVENTION The present invention, via a user terminal communication path to the screen displaying a three-dimensional image, receiving requests three-dimensional shape described shape generation means generates and sends a shape description 3 relates dimensional shape communication system, in particular, in response to three-dimensional drawing capabilities or transmission rate capability of the communication line of the user terminal, it can improve the interactivity for the user terminal operation 3
次元形状通信システムに関する。 About dimension shape communication system.

【0002】 [0002]

【従来の技術】従来、この種の3次元形状通信システムとしては、CAD(Conputer AidedDesign)ソフトウェア等によって予め作成された3次元形状のデータがVR Conventionally, as a three-dimensional shape communication system of this kind, CAD (Conputer AidedDesign) data of a three-dimensional shape created in advance by the software and the like VR
ML(Virtual Reality Modeling Language )データとして用いられているインターネットシステムが知られている。 ML Internet system used as (Virtual Reality Modeling Language) data are known.

【0003】このシステムでは、図9に示されるように、インターネット100におけるWWW(World Wide [0003] In this system, as shown in FIG. 9, WWW in the Internet 100 (World Wide
Web)サーバ110が、3次元形状記述であるVRML Web) server 110, a three-dimensional shape description VRML
ファイル111を備え、利用者端末120からの要求に従って、このVRMLファイル111を送出することにより、利用者端末120で3次元の表示を可能にしている。 It includes a file 111, according to a request from the user terminal 120 by sending the VRML file 111, allowing the display of three-dimensional in the user terminal 120.

【0004】また、複数のWWWサーバ110−1〜n [0004] In addition, a plurality of WWW server 110-1~n
が3次元形状記述を保持する場合には、3次元形状記述を中継するためWWW代理(proxy )サーバ130が備えられ、WWW代理サーバ130が利用者端末120の要求によるVRMLファイル111−nをWWWサーバ110−nから取り出して利用者端末120へ中継する構成も知られている。 WWW but when holding the three-dimensional shape description is provided with WWW proxy (proxy) server 130 for relaying a three-dimensional shape description, WWW proxy server 130 a VRML file 111-n at the request of the user terminal 120 arrangement for relayed out of the server 110-n to the user terminal 120 are also known.

【0005】 [0005]

【発明が解決しようとする課題】上述した従来の3次元形状通信システムでは、WWWサーバが内に保持するV [SUMMARY OF THE INVENTION In conventional 3-dimensional shape communication system described above, V is held in the inner WWW server
RMLファイルを利用者端末の要求に従って送出するだけの処理を行なう。 Perform only the processing for sending according to the request of the user terminal the RML file. このため、利用者端末のCPU能力が低い場合、途中の通信回線の伝送速度が遅い状況でV Therefore, when the CPU capability of the user terminal is low, V at a transmission speed is slow situation in the middle of a communication line
RMLファイル内の座標データの精度が高い場合、または、複雑な3次元空間記述の場合には伝送データ量が各処理能力に対して多いので、利用者端末での表示までに時間を要し、また、低いCPU能力では表示された後の画面表示の書き換えに時間を要するという問題点がある。 If the accuracy of the coordinate data of the RML file is high, or, since the amount of transmitted data in the case of complex three-dimensional space describes many for each capacity, it takes time to display on the user terminal, Further, there is a problem that it takes time for the screen display rewriting after being displayed in the lower CPU power.

【0006】また、WWW代理サーバを中継に使用した場合でも、WWW代理サーバは受けたデータを、データの精度、形式等の変換なしで、受けたまま送出するるので、上述同様、利用者端末では、要求から表示までに時間を要すると共に画面表示の書き換えに時間を要し、利用者の操作に対する反応の実時間性が損なわれるという実用上の面で問題点がある。 Further, even when using the WWW proxy server to the relay, the WWW proxy data server that received, the accuracy of the data, without converting the format or the like, since the received while sending Sururu, above same, the user terminal in time consuming to screen display rewriting with takes time until the display from the request, there is a problem in terms of practical use of real-time response to user's operation is impaired.

【0007】本発明の課題は、下記手段により、利用者端末の3次元描画能力または通信回線の伝送速度能力に対応して、利用者端末操作に対する対話性を向上できる3次元形状通信システムを提供することである。 An object of the present invention, provided by the following means, in response to the three-dimensional drawing capabilities or transmission rate capability of the communication line of the user terminal, the three-dimensional shape communication system capable of improving the interactivity for the user terminal operation It is to be.

【0008】 [0008]

【課題を解決するための手段】本発明による3次元形状通信システムは、3次元映像を画面表示する利用者端末が通信路を介して、形状記述を生成し送出する形状生成手段に3次元の形状記述を要求して受ける3次元形状通信システムにおいて、前記利用者端末は、3次元の形状記述の表示能力を通知する宣言手段を備え、かつ前記形状生成手段は、前記利用者端末から3次元形状記述の要求を受けた際、要求された3次元の形状記述を生成し、 3-dimensional shape communication system according to the present invention, in order to solve the problem] through a user terminal communication path to the screen displaying a three-dimensional image, a three-dimensional shape generation means generates and sends a shape description in the three-dimensional shape communication system which receives requesting shape description, the user terminal includes a declaration means for notifying the display capability of 3-dimensional shape description and the shape forming unit includes 3-D from the user terminal when receiving a request for shape description, and generates the required three-dimensional shape description,
生成した3次元形状記述の詳細度を判定すると共に要求元の利用者端末の表示能力の通知を受け、生成した前記3次元の形状記述を、受けた表示能力に見合った形状詳細度に簡約し、簡約した3次元の簡約形状記述を要求元の利用者端末へ送出している。 Together determine the detail level of the generated three-dimensional shape description notified of the requesting display capabilities of the user terminal, the generated the three-dimensional shape description, received and reduction in commensurate shape detail of the display capability , and it sends the 3-dimensional reduction shape description obtained by reduction of the requester to the user terminal.

【0009】この様に、形状生成手段が、生成した3次元形状記述の詳細度を判定すると共に要求元の利用者端末の表示能力の通知を受け、生成した前記3次元の形状記述を、受けた表示能力に見合った形状詳細度に簡約し、簡約した3次元の簡約形状記述を通信回線を介して要求元の利用者端末へ送出しているので、利用者端末における反応の実時間性がよい。 [0009] Thus, the shape generating means receives a notification of the requesting display capabilities of the user terminal as well as determining the level of detail of the resulting three-dimensional shape description, the generated the three-dimensional shape description, received and reduction in commensurate shape detail of the display capability, because through the communication line a three-dimensional reduction shape description obtained by reduction are sent to the requesting user terminal, real-time reactions in the user terminal good.

【0010】また、上記システムの具体的な構成として、前記利用者端末は、通信回線を介して3次元の形状記述を要求する3次元形状要求部と、3次元形状記述の表示能力を通知する表示能力宣言部と、通信回線を介して形状記述を受ける形状受信部と、受付けた形状記述を画面表示する形状表示部とを備え、かつ、前記形状生成手段は、通信回線を介して前記3次元形状要求部から3 Further, as a specific configuration of the system, the user terminal includes a three-dimensional shape requesting unit for requesting a three-dimensional shape description via a communication line, and notifies the display capability of the three-dimensional shape description comprising a display capability declaration part the shape receiving portion for receiving the shape description via a communication line, and a shape display unit for screen display the accepted shape description, and the shape forming unit, the via the communication line 3 3 dimensional shape requesting unit
次元形状記述の要求を受ける形状要求受信部と、この形状要求受信部が受けて要求された3次元の形状記述を行ない生成する形状生成部と、生成された3次元形状記述の複雑さを判定する形状詳細度判定部と、前記形状要求受信部が要求を受けた際、要求元利用者端末の表示能力宣言部と情報交換して3次元形状の記述能力を判定する表示能力判定部と、前記形状詳細度判定部により判定された複雑さとこの表示能力判定部により判定された記述能力とに基づいて形状生成部により生成された3次元の形状記述を表示要素数がより少ない3次元の簡約形状記述に変換する形状簡約部と、この変換された3次元の簡約形状記述を通信回線を介して前記形状受信部へ送出する形状送信部とを備えている。 Determining a shape request receiving unit for receiving a request for dimension shape description, the shape generator for generating subjected to this shape request receiving unit is requested by receiving three-dimensional shape description, the complexity of the generated three-dimensional shape description a shape detailing determination unit which, with the time of the shape request receiving unit receives the request, the requesting user terminal of the display capabilities declaration part and exchange information to display capability judging unit judges the description capability of the three-dimensional shape, the shape detailing degree determination section by the determined complexity and the display capability determination section by the determined written ability and shape generating unit less 3D reduction is the number of display elements generated three-dimensional shape description by based on the shape reduction unit for converting the shape description, and a shape transmission unit for transmitting to the shape receiving portion the converted 3-dimensional reduction shape description via a communication line.

【0011】また、形状中継装置を介して形状生成装置から3次元形状記述を受ける場合の具体的な形状生成手段の一つとして、前記形状中継装置は、通信回線を介して前記3次元形状要求部から3次元形状記述の要求を受ける形状要求受信部と、この形状要求受信部が受けた要求を送出する形状要求中継部と、生成された3次元の形状記述を受ける中継形状受信部と、この中継形状受信部で受けた3次元形状記述の複雑さを判定する形状詳細度判定部と、前記形状要求受信部が3次元形状記述の要求を受けた際、要求元利用者端末の表示能力宣言部と情報交換して3次元形状の記述能力を判定する表示能力判定部と、前記形状詳細度判定部により判定された複雑さとこの表示能力判定部により判定された記述能力とに基づいて前記中継形状 [0011] As a specific shape forming unit when receiving the three-dimensional shape description from the shape generator through the shaped relay device, said shaped relay device, the three-dimensional shape request through a communication line shape request receiving unit for receiving a request for three-dimensional shape description from parts, the shape request relay unit that sends a request to this shape request receiving unit receives a relay shaped receiving portion for receiving the generated three-dimensional shape description, and determining the shape details determining unit complexity of the received relay-shaped receiving part 3-dimensional shape description, when the shape request receiving unit receives the request for three-dimensional shape description, the requesting user terminal display capability wherein based on the declarative part and the information exchange to the three-dimensional shape of the determining the display capability determination unit description capabilities, the shape is determined by the display capability judgment unit and the complexity is determined by the detailed determination unit was described capabilities relay shape 信部で受けた3次元形状記述を、表示要素数がより少ない3次元の簡約形状記述に変換する形状簡約部と、この変換された3次元の簡約形状記述を通信回線を介して前記形状受信部へ送出する形状送信部とを備え、かつ、前記形状生成装置は、前記形状要求中継部から3次元形状記述の要求を受ける形状要求受信部と、この形状要求受信部が受けて要求された3次元の形状記述を行ない生成する形状生成部と、生成された3次元の形状記述を前記中継形状受信部へ送出する形状送信部とを備えている。 The three-dimensional shape description received by the signal unit, the shape reduction unit the number of display elements into a smaller 3-dimensional reduction shape description, the shape received through a communication line the converted 3-dimensional reduction shape description and a shape transmission unit for sending the parts, and the shape generation apparatus, the shape request receiving unit for receiving a request for three-dimensional shape description from the shape request relay section, this shape request receiving unit is requested by receiving shape generation unit that generates perform a three-dimensional shape description, the generated three-dimensional shape description and a shape transmission unit for sending to the relay-shaped receiving portion.

【0012】 [0012]

【発明の実施の形態】次に、本発明の実施の形態について図面を参照して説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Next, a description with reference to the drawings, embodiments of the present invention.

【0013】図1は本発明の実施の一形態を示す機能ブロック図である。 [0013] Figure 1 is a functional block diagram showing an embodiment of the present invention. 図1に示された3次元形状通信システムでは、3次元形状生成手段として3次元形状生成装置10が通信回線を介して利用者端末20と接続されているものとする。 The three-dimensional shape communication system shown in FIG. 1, a three-dimensional shape generation apparatus 10 as a three-dimensional shape forming unit is assumed to be connected to the user terminal 20 via the communication line. 3次元形状生成装置10は、形状生成部11、形状簡約部12、形状送信部13、形状詳細度判定部14、表示能力判定部15、および形状要求受信部16を備え、また、利用者端末20は、形状受信部2 3-dimensional shape generation device 10, the shape generator 11, the shape reduction unit 12, the shape transmission section 13, the shape detailing degree determining section 14, the display capability determination unit 15, and includes a shape request receiving unit 16, also, the user terminal 20, the shape receiver 2
1、形状表示部22、3次元形状要求部23、表示能力宣言部24、および操作入力部25を備えているものとする。 1, the shape display unit 22,3 dimensional request unit 23, it is assumed that a display capability declaration part 24 and the operation input unit 25,.

【0014】従来と相違する点は、3次元形状を生成し送出する3次元形状生成装置10の表示能力判定部15 [0014] Conventional and differences points, display capability determination unit 15 of the three-dimensional shape generation apparatus 10 for generating and sending the three-dimensional shape
が利用者端末20の表示能力宣言部24と通信回線を介して情報を授受することにより利用者端末20の表示能力を知り、形状簡約部12がこの表示能力に見合った適切な詳細度の形状まで形状生成部により生成された形状記述を簡約化して利用者端末20へ送出することである。 The shape of but know the display capability of the user terminal 20 by exchanging information via a communication line display capability declaration part 24 of the user terminal 20, an appropriate level of detail shape reduction unit 12 is commensurate with the display capability is to sent to the user terminal 20 by simplification the generated shape described by the shape generating unit to.

【0015】図2では、利用者端末20から3次元形状生成装置10へ送る3次元形状記述リクエスト(形状要求)が示されており、3次元形状記述リクエストには、 [0015] In Figure 2, the user terminal 20 from the three-dimensional shape description request sent to 3-D shape generation apparatus 10 (the shape required) are the indicated 3-dimensional shape description request,
要求先の形状生成部11を示すホスト部と、特定されるファイルの中の空間指定部とが含まれている。 A host portion indicating a request destination of shape generation section 11 contains a space specifying section in the file identified.

【0016】図3では、3次元形状生成装置10の表示能力判定部15と利用者端末20の表示能力宣言部24 [0016] In Figure 3, the three-dimensional shape and the display capability determination unit 15 of the generator 10 the user terminal 20 of the display capabilities declaration section 24
とが通信する際の対話の一例が示されている。 Bets is shown an example of a dialogue when the communication is. この通信の際の対話例に関する詳細は、後述の処理の流れと共に説明する。 Details regarding interactive example when the communication will be described together with the flow of the processing will be described later.

【0017】3次元形状生成装置10は、3次元形状記述の保存を行ない、通信回線を介して接続される利用者端末20の要求を受けた際に3次元形状記述を生成し通信回線を介して返送する。 [0017] 3-dimensional shape generation apparatus 10 performs a storage of three-dimensional shape description, through the generated communication line a three-dimensional shape description when receiving a request of the user terminal 20 connected through a communication line return Te.

【0018】形状生成部11は、形状要求受信部16から、図2に示されるような、3次元形状記述リクエストによる形状要求を受けた際、3次元空間の記述を生成し形状簡約部12および形状詳細度判定部14へ送出するものとする。 The shape generator 11, the shape request receiving unit 16, as shown in FIG. 2, when receiving the shape required by the three-dimensional shape description request, generated shape reduction unit 12 and a description of three-dimensional space shall to be sent to the shape detailing determination unit 14. 形状簡約部12は、形状詳細度判定部14 Shape reduction unit 12, the shape detailing degree determining section 14
から受ける形状詳細度と表示能力判定部15から受ける表示能力とに基づいて適切な複雑度の簡約化形状に簡約化を行い、形状送信部13へ送るものとする。 Based on the shape detailing degree receiving and display capabilities received from the display capability determination unit 15 performs simplification to simplification shape suitable complexity, and shall send to the shape transmitter 13.

【0019】また、形状送信部13は、形状簡約部12 Further, the shape transmitter 13, the shape reduction unit 12
から受けた簡約化形状の記述を受けた際に、要求元の利用者端末20への通信回線を確立して、受けた簡約化形状の記述を送出する。 Upon receiving the description of simplification shape received from establishes a communication line to the requesting user terminal 20 sends a description of the received simplification shape.

【0020】形状詳細度判定部14は、形状生成部11 The shape detailing degree determining section 14, the shape generating section 11
により生成された3次元空間の記述を受け、記述されたデータの大きさ、座標の精度などから形状の詳細度を所定値により判定し形状簡約部12へ送出するものとする。 Receiving a description of a 3-dimensional space generated by, the described size of the data shall be transmitted from such coordinate accuracy the level of detail of the shape is determined by a predetermined value to the shape reduction unit 12. 詳細は後述する。 Details of which will be described later.

【0021】また、表示能力判定部15は、利用者端末29の表示能力宣言部24と、図3に示されるような対話により、通信回線を介して情報を授受することによって、利用者端末20の演算能力、描画能力等、および通信回線の伝送速度等から表示能力を所定値により判定し形状簡約部12へ送出するものとする。 Further, the display capability determination unit 15 has a display capability declaration part 24 of the user terminal 29, by interaction, such as shown in FIG. 3, by exchanging information via a communication line, the user terminal 20 computing power, rendering capabilities, etc., and the display capabilities from the transmission speed of the communication line is determined by the predetermined value is assumed to be sent to the shape reduction unit 12. 詳細は後述する。 Details of which will be described later.

【0022】また、形状要求受信部16は、通信回線を介して利用者端末20から3次元形状記述の要求を受付け、形状生成部11に要求を伝達すると共に、表示能力判定部15へ要求元の利用者端末名を通知する。 [0022] The shape request receiving unit 16 receives the request via the communication line the user terminal 20 from the three-dimensional shape description, the transmitting the request to the shape generator 11, the request source to the display capability determination unit 15 and notifies the user terminal name.

【0023】また、利用者端末20では、利用者により、3次元の空間を表示し、表示された空間の中の物体を動作させ、または移動させる操作が行われる。 Further, the user terminal 20, by the user, to display a three-dimensional space, to operate the objects in the display space, or moved to the operation is performed.

【0024】形状受信部21は、通信回線を介して3次元形状生成装置10から3次元形状の記述を受取り形状表示部22へ送る。 The shape receiving unit 21 sends receives a description of three-dimensional shape from the three-dimensional shape generation apparatus 10 via the communication line to the shape display unit 22.

【0025】形状表示部22は、受けた形状記述を遠近法描画図(Rendering )により画像情報に変換して画面表示する一方、操作入力部25からの入力により新たな形状記述が必要になった際には、3次元形状要求部23 The shape display unit 22, while the received shape description is converted into image information by perspective drawing view (Rendering) by screen display, a new shape description is required by an input from the operation input unit 25 the time, three-dimensional shape required 23
へ必要な情報を送る。 Send the information you need to. 3次元形状要求部23は、3次元形状生成装置10へ通信回線を確立して形状記述の要求を図2に示されるような形状要求により送出する。 3-dimensional shape requesting unit 23 sends the shape required, as shown requests shape described in Figure 2 to establish the communication line to the three-dimensional shape generation apparatus 10.

【0026】表示能力宣言部24は、利用者端末の種別、利用者端末が有する機能に関する情報を有し、図3 The display capability declaration section 24 has information type relates to the functions of the user terminal of the user terminal, FIG. 3
に示されるように、通信回線を介した問合わせに応答する。 As shown in, in response to the inquiry via the communication line. また、操作入力部25は利用者により操作されるマウスまたはキーボードであり、例えば、マウスにより画面内の物体の向きが変更されたり、物体の動作および移動が指示されている。 The operation input unit 25 is a mouse or a keyboard operated by the user, for example, is changed or the orientation of an object in the screen by the mouse, the operation and movement of the object is instructed.

【0027】次に、図1から図6までを併せ参照して利用者が特定の3次元空間をキーボードまたはマウスにより指示して表示する際の処理の流れについて説明する。 Next, the user with reference also to through 6 are the specific 3-dimensional space to describe the flow of processing when displaying instructed by the keyboard or mouse from FIG.
図5は利用者端末20の主要動作手順の一実施例を示す流れ図であり、また、図6は3次元形状生成装置10の主要動作手順の一実施例を示す流れ図である。 Figure 5 is a flow diagram illustrating one embodiment of a main operating procedure of the user terminal 20, FIG. 6 is a flow diagram of an implementation of the main operation procedure of the three-dimensional shape generation apparatus 10.

【0028】まず、利用者が操作入力部25のキーボードにより所望の3次元形状、若しくは表示画面上の仮想空間位置を指定する文字列を入力する(手順S1のYE Firstly, the user desired three-dimensional shape by the keyboard of the operation input unit 25, or to enter a character string that specifies a virtual spatial location on the display screen (step S1 YE
S)場合、またはマウスにより表示画面内を移動して記述範囲外に出るため、若しくは表示されている物体を指定して新しい3次元空間の記述を必要とする(手順S2 If S), or to go out of Scope moves within the display screen by the mouse, or by specifying the object displayed requires a description of the new three-dimensional space (Step S2
のYES)場合などにおいて、形状表示部22は3次元形状要求部23を駆動する。 In such a YES) case, the shape display unit 22 drives the three-dimensional shape required 23.

【0029】3次元形状要求部23は、要求情報を3次元形状記述リクエスト(形状要求)として形状表示部2 The three-dimensional shape required 23, shape display unit 2 to request information as a three-dimensional shape description request (shape request)
2から、例えば図2に示されるような文字列により受ける。 2, receives the character string as shown in FIG. 2, for example. 次いで、3次元形状要求部23は、この文字列のホスト部から所望の3次元形状を生成する3次元形状生成装置10を有するホストに対して通信回線を確立した後、形状要求に含まれる空間指定部の文字列を送ることにより3次元形状生成装置10へ3次元形状記述を要求し(手順S3)、この要求による要求先からの表示能力の質問の受付けを、表示能力宣言部24が待つ(手順S Then, the three-dimensional shape requesting unit 23, after establishing a communication line to a host having a three-dimensional shape generation apparatus 10 for generating a desired three-dimensional shape from the host portion of this string is included in the shape required space by sending the string specifying unit requires a three-dimensional shape description to 3D shape generation apparatus 10 (Step S3), the reception of the question display capability of the request destination of the request, waits display capability declaration 24 (procedure S
4のNO)。 4 of NO).

【0030】一方、3次元形状生成装置10では、形状要求受信部16が3次元形状要求部23から、図2に示されるような3次元形状記述の要求を空間指定部の文字列により受付け(手順S11)、この空間指定部を形状生成部11へ送ると共に、表示能力判定部15へ要求元の利用者端末名を通知する。 On the other hand, in the three-dimensional shape generation apparatus 10 receives from the shape request receiving unit 16 is a three-dimensional shape requesting unit 23, a string of space specifying unit a request for three-dimensional shape description, as shown in FIG. 2 ( Step S11), and sends the space designation portion to shape generation unit 11, and notifies the requesting user terminal names to the display capability determination unit 15.

【0031】形状生成部11は、形状要求受信部から受けた空間指定部の文字列による形状記述の要求に応じて適切な3次元形状記述を、内蔵するデータベースから検索抽出することにより生成し(手順S12)、形状簡約部12および形状詳細度判定部14へ送る。 The shape generator 11, an appropriate 3-dimensional shape description in response to a request shape description by string space specified portion received from the shape request receiving unit, generates by searching extracted from a database built ( Step S12), and sends to the shape reduction unit 12 and the shape detailing determination unit 14. 送る内容については、例えば、要求される空間指定部の指定において“myroom.wrl”で特定されるファイルを検索し、その中の“center”部分が選ばれている。 The contents sent, for example, searches the file identified by the "myroom.wrl" in the designated space specifying unit required, is selected "center" portion therein.

【0032】形状詳細度判定部14は、形状生成部11 The shape detailing degree determining section 14, the shape generating section 11
から受けた形状記述に含まれる画像データの大きさ、形状の複雑度、形状の精度などの、詳細度を判定する(手順S13)。 Image data included in the received shape description from the size, complexity of shape, such as shape accuracy, determining the level of detail of (Step S13). この判定に際して形状詳細度判定部14 In this determination the shape detailing degree determining section 14
は、3次元形状記述に含まれるテクスチャデータ画像についてはそのそれぞれに対して画像の大きさ、色数を調べ、形状の複雑度については形状記述に含まれるポリゴンの数を調べ、また、形状の精度については各座標値の数値の有効精度を調べる。 A three-dimensional shape description to the image to each of which the texture data images included size, examining the color depth, and complexity of the shape to determine the number of polygons in the shape description, also, the shape Check effective precision of the number of coordinate values ​​for accuracy.

【0033】また、手順S11で受付けた形状要求に基づいて要求元の利用者端末名を通知された表示能力判定部15は利用者端末20の表示能力宣言部24へ通信回線を介して表示能力を質問し(手順S14)、表示能力宣言部24はこの質問を受けて(手順S4のYES)、 Further, the display display capability determination unit 15 is notified of the requesting user terminal name based on the shape request received in step S11, via the communication line to the display capability declaration section 24 of user terminal 20 capability ask the (YES in Step S4) (Step S14), the display capability declaration section 24 receives this question,
表示能力を応答し(手順S5)、形状受信部21において3次元形状生成装置10から送られてくる3次元形状記述を待つ(手順S6のNO)。 In response the display capabilities (Step S5), waits for a sent come 3D shape descriptor from the three-dimensional shape generation apparatus 10 in the form receiving unit 21 (NO in Step S6).

【0034】3次元形状生成装置10の手順S14と、 [0034] The procedure S14 in 3-dimensional shape generation apparatus 10,
表示能力の応答を受ける手順S15とは、図6に基づいて直列の動作として説明するが、処理時間の短縮のため、通常では手順S12および手順S13との並列処理となる。 The procedure S15 to receive a response of the display capabilities, is described as a series of operations on the basis of FIG. 6, in order to shorten the processing time, the parallel processing of the steps S12 and Step S13. In normal.

【0035】表示能力判定部15と表示能力宣言部24 The display and the display capability determination unit 15 ability declaration part 24
との間の通信対話例が、図3に示されている。 Communication dialog example between is shown in Fig. 図示されるように、対話は、表示能力判定部15からの質問とこの質問に対する表示能力宣言部24からの応答とにより構成されている。 As shown, interactive is constituted by the response from the display capabilities declaration part 24 to the question and this question from the display capability determination unit 15. 表示能力判定部15は、まず、質問Q Display capability determination unit 15, first, the question Q
1で利用者端末10のタイプ、次の質問Q2でグラフィック表示に用いるハ−ドウェアのタイプを知り、要求元端末の基本的な表示能力を判定する。 Type of the user terminal 10 in 1, c used for graphical display in the next question Q2 - know the type of adware, determines the basic display capability of the requesting terminal.

【0036】次いで、表示能力判定部15は、質問Q3 [0036] Next, the display capability determination unit 15, question Q3
で要求端末の現在の負荷状況を調べると共に、通信の質問から応答間での時間から3次元形状生成装置10と要求元の利用者端末20との間の通信回線の回線状況を把握することにより現在の表示能力を計算する。 In conjunction with examining the current load status of the requesting terminal, by grasping the line status of the communication line between the time from the three-dimensional shape generation apparatus 10 between the response from the communication questions and requesting user terminal 20 to calculate the current display capabilities. 更に、表示能力判定部15は、質問Q4で3次元表示の専用機構を有するか、質問Q5でテクスチャ表示の能力を持つか、質問Q6で3次元の線分の描画速度の数値、およびテクスチャ画像の描画速度の数値、などの情報を取得する。 Further, the display capability determination unit 15, or have a dedicated mechanism for three-dimensional display in question Q4, or capable of displaying a texture in question Q5, question Q6 in a three-dimensional line segment drawing speed numbers, and texture image to get the numerical value of the drawing speed, information such as.

【0037】表示能力判定部15は、手順S5による表示能力宣言部24からの応答を上述のように受付けて(手順S15のYES)、判定し、この判定結果を形状簡約部12へ送る。 The display capability judging unit 15, a response from the display capability declaration part 24 by steps S5 accepts as described above (YES in Step S15), judgment, and sends the determination result to the shape reduction unit 12. 形状簡約部12は、手順S13の判定結果による形状記述の詳細度を表示能力判定部15により判定された表示能力に基づいて簡約形状記述に簡約化して形成し(手順S16)、形状送信部13へ送る。 Shape simplification unit 12 simplification formed on reduction shape descriptors based on the display capabilities determined by the display capability determination unit 15 the level of detail of the determination result by the shape description of the steps S13 (Step S16), the shape transmitter 13 send to.

【0038】形状簡約部12は、例えば、テクスチャ処理能力が低いことを表示能力判定部15から得ている場合には、テクスチャ画像を縮小して小さな画像のデータに変換する。 The shape reduction unit 12, for example, if you are getting from the display capability determination unit 15 to the low texture processing capability, to convert by reducing the texture image data of the small images. また、形状簡約部12は、利用者端末20 The shape reduction unit 12, the user terminal 20
で浮動小数点演算能力が低いタイプの場合には座標の小数点以下の有効精度を小さくする。 To reduce the following effective precision decimal coordinates in the case of a floating point type computing power is low in. また、負荷が高い場合、ポリゴンの処理能力が低い場合には、例えば図4に示されるように、物体の形状を外郭形状のみのような、 Further, when the load is high, when the polygon processing capacity is low, as shown in FIG. 4, for example, such as the shape of the object contour only,
より簡単な形状で近似したものに置き換える。 Replaced with an approximation in a more simple shape. また、形状簡約部12は、通信回線の伝送速度が遅い場合には一度に送出する空間記述の大きさを小さくし、連続して送るなどの処理を行なう。 The shape reduction unit 12, when the transmission rate of the communication line is low to reduce the size of the space description to be sent at a time, performs processing such as sending continuously.

【0039】形状送信部13は、要求元の利用者端末2 The shape transmitter 13, the requesting user terminal 2
0の形状受信部21に対して通信回線を確立し、簡約化形成された3次元形状記述を送出して(手順S17)、 It establishes a communication line with respect to 0 shape receiving portion 21, and sends the three-dimensional shape description formed simplification by (Step S17),
3次元形状生成装置10の動作手順を終了する。 Operating procedure of the three-dimensional shape generation apparatus 10 ends the.

【0040】一方、要求元の利用者端末20の形状受信部21は、簡約化形成された3次元形状記述を受付け(手順S6のYES)、受付けた形状記述を形状表示部22へ送る。 On the other hand, the shape receiving unit 21 of the requesting user terminal 20 sends accept a three-dimensional shape description formed simplification (YES in Step S6), accepted the shape description to shape display unit 22. 形状表示部22は、受けた3次元形状記述を遠近方描画図に変換して画面上に表示し(手順S Shape display unit 22, the received three-dimensional shape description and converted into perspective side draw diagram displayed on the screen (Step S
7)、利用者端末20の手順も終了する。 7), also ends the procedure of the user terminal 20.

【0041】上記説明では、利用者端末は、3次元形状記述を3次元形状生成装置に直接接続して得ると説明したが、3次元形状生成装置は3次元形状生成システムとして例えばインターネットのようなシステムに含まれるものであってもよい。 [0041] In the above description, the user terminal has been described as obtained by directly connected to the three-dimensional shape generation apparatus a three-dimensional shape description, three-dimensional shape generation apparatus, such as, for example, the Internet as a three-dimensional shape generation system or it may be included in the system.

【0042】上記説明では、機能ブロックおよび動作手順を図示して説明したが、上述したように、機能の併合分配等、または手順の平行動作、前後入替え等は上記機能を満たす限り自由であり、上記説明が本発明を限定するものではない。 [0042] In the above description, have been shown and described the functional blocks and operation steps, as described above, parallel operation of merging distribution such or procedures, functions, before and after replacement, etc. are free as long as it satisfies the above functions, the above description is not intended to limit the present invention.

【0043】 [0043]

【実施例】次に、図面を参照して3次元形状通信システムにおいて、利用者端末20が画面表示する3次元形状記述を得る3次元形状生成システムとして複数の3次元形状生成装置40−1〜nと3次元形状中継装置30とを備える実施例について説明する。 EXAMPLES Next, in reference to the three-dimensional shape communication system to the drawings, a plurality of three-dimensional shape generation apparatus as a three-dimensional shape generation systems the user terminal 20 to obtain a three-dimensional shape description to screen 40-1~ examples will be described and a n and the three-dimensional shape relay device 30.

【0044】図7はこの実施例を示す機能ブロック図である。 [0044] FIG. 7 is a functional block diagram showing the embodiment.

【0045】図7において、図1との相違点は、複数の3次元形状生成装置40−1〜nが備えられ、利用者端末20と3次元形状生成装置40−1〜nとの間に通信回線を介して接続される3次元形状中継装置30が設けられていることである。 [0045] In FIG. 7 differs from the Figure 1, provided with a plurality of three-dimensional shape generation apparatus 40-1 to 40-n, with the user terminal 20 and the three-dimensional shape generation apparatus 40-1 to 40-n it is that the three-dimensional shape relay device 30 connected via a communication line is provided.

【0046】3次元形状中継装置30は、図1と同一機能の形状簡約部12、形状送信部13、形状詳細度判定部14、および表示能力判定部15に、更に、中継形状受信部31、形状要求受信部36および形状要求中継部37を備えている。 [0046] 3-dimensional shape relay device 30, FIG. 1 and the shape reduction unit 12 having the same function, shape transmission section 13, the shape detailing determination unit 14, and the display capability judging unit 15, further, the relay shaped receiving section 31, and a shape request receiving unit 36 ​​and the shape request relay unit 37. 3次元形状生成装置40−1〜nそれぞれは、図1の形状生成部11の代わりに通信回線を介して備えられ、形状要求受信部41、形状生成部4 Each 3-D shape generation apparatus 40-1~n is provided via a communication line, instead of the shape generation unit 11 1, the shape request receiving unit 41, the shape generator 4
2、および、形状送信部43を備えている。 2, and has a shape transmitter 43.

【0047】利用者端末20をはじめ、図1から図5までを参照した上記説明と同一の構成要素には同一番号符号を付与して、その説明は省略する。 [0047] including the user terminal 20, referenced in the above description the same elements by the same reference numerals numerals to FIGS. 1 to 5, a description thereof will be omitted.

【0048】まず、中継形状受信部31は、3次元形状生成装置40−1〜nそれぞれの形状送信部43と通信回線を介して接続され、3次元形状記述を受付けて形状簡約部12および形状詳細部14へ送る。 Firstly, the relay shaped receiver 31, the three-dimensional shape generation apparatus 40-1~n the respective shapes transmitter 43 is connected via a communication line, the shape reduction unit 12 and the shape receives a three-dimensional shape description send to the details section 14. 形状要求受信部36は利用者端末20の3次元形状要求部23から受付けた形状要求を形状要求中継部37へ送ると共に、表示能力判定部15へ要求元の利用者端末名を通知する。 Together form request receiving unit 36 ​​sends the form request received from the three-dimensional shape requesting section 23 of the user terminal 20 to the shape-request relay unit 37, and notifies the requesting user terminal names to the display capability determination unit 15.

【0049】形状要求中継部37は形状要求受信部36 The shape request relay unit 37 is shaped request receiving unit 36
で受付けた形状要求から該当する形状記述を有するホストを特定し、このホスト上の3次元形状生成装置40− In identifying the hosts with the corresponding shape description from the accepted form requested, the three-dimensional shape generation apparatus on the host 40-
nに対して通信回線を確立して3次元形状記述リクエスト(形状要求)の空間指定部を送る。 It establishes a communication line to the n-Send space specified portion of the three-dimensional shape description request (shape request).

【0050】3次元形状生成装置40−nでは、形状要求受信部41が3次元形状中継装置30から形状要求の空間指定部を受付けて形状生成部42へ送る。 The letter in the three-dimensional shape generation apparatus 40-n, the shape request receiving unit 41 from the three-dimensional shape relay device 30 accepts the space specified portion of the shape required to shape generating unit 42. 形状生成部42は、形状要求の空間指定部を受取り、内蔵するデータベースから該当するデータを検索生成し形状送信部43へ送る。 Shape generating unit 42 receives the space specified portion of the shape required, sends from a database built generating find the appropriate data to form transmission unit 43. 形状送信部43は受けた形状記述を3次元形状中継装置30の中継形状受信部31へ送る。 Shaped transmission unit 43 sends the received shape description to the relay shaped receiving portion 31 of the three-dimensional shape relay device 30.

【0051】次に、図7に図8を併せ参照して、図7における主要動作手順について説明する。 Next, with reference also to FIG. 8 to FIG. 7, described main operation procedure in FIG. 図8は図7の3 8 3 7
次元形状中継装置30の主要動作手順の一例を示す流れ図である。 Is a flow chart showing an example of main operating procedure of the dimensions shape relay device 30.

【0052】利用者が利用者端末20の操作入力部25 [0052] The operation input section of the user's user terminal 20 25
の操作により形状表示部22に表示されている3次元空間を自由に移動し、視点を変えることも行なっているものとする。 The 3-dimensional space displayed on the shape display unit 22 by the operation moves freely, it is assumed that also performed by changing the viewpoint. 視点の移動により、利用者端末20内に蓄積されている仮想空間の記述による空間の端に到達した際には、形状表示部22は自動的に3次元形状記述リクエスト(形状要求)を3次元形状要求部23へ発行する。 By the movement of the viewpoint, the user upon reaching the end of the space by the description of the terminal 20 in the virtual space stored in the shape display unit 22 is automatically 3D shape descriptor request (shape required) 3D It is issued to the shape request unit 23.
3次元形状要求部23は発行された形状要求を受け、通信路を介して形状要求受信部36へ送る。 3-dimensional shape requesting unit 23 receives the issued shape request and sends via a communication path to a shape request receiving unit 36.

【0053】3次元形状中継装置30では、形状要求受信部36が3次元形状記述リクエスト(形状要求)を受付け(手順S21)、要求元の利用者端末名を表示能力判定部15へ送ると共に、形状要求中継部37へ3次元形状記述リクエスト(形状要求)を転送する。 [0053] In the three-dimensional shape relay device 30, the shape request receiving unit 36 ​​accepts the three-dimensional shape description request (shape request) (Step S21), and sends the requesting user terminal names to the display capability determination unit 15, transferring the shape request relay unit 37 three-dimensional shape description request (shape request). 形状要求中継部37は、受けた形状要求からホスト部を抽出して適切な3次元形状生成装置40−nを選択し、この選択した3次元形状生成装置40−nとの通信回線を確立して形状要求の内の空間指定部を送出し(手順S22)、 Shape request relay unit 37 receives from the shape required to extract the host unit to select the appropriate three-dimensional shape generation apparatus 40-n, to establish a communication line between the selected three-dimensional shape generation apparatus 40-n sending space specified portion of the shape request Te to (Step S22),
形状記述の到着を待つ(手順S23のNO)。 Wait for the arrival of the shape description (NO step S23).

【0054】3次元形状生成装置40−nでは、上述のように、形状要求受信部41が形状要求の空間指定部を受付け、形状生成部42が内蔵するデータベースから該当するデータを検索生成して、形状送信部43が生成された形状記述を中継形状受信部31へ送る。 [0054] In the three-dimensional shape generation apparatus 40-n, as described above, accepts the space designated in the shape request receiving unit 41 shapes request, the data corresponding from a database shape generating unit 42 is built search generates and sends a shape description of the shape transmitter 43 is generated to the relay shaped receiver 31.

【0055】中継形状受信部31は、形状記述を受付け(手順S23のYES)、受付けた形状記述を形状簡約部12および形状詳細度判定部14へ送る。 [0055] Relay shaped receiver 31, (YES in Step S23) accepts shape description, and sends the accepted shape description of the shape reduction unit 12 and the shape detailing determination unit 14. 形状詳細度判定部14は受付けた形状記述の詳細度を上述のように判定して(手順S24)、形状簡約部12へ送る。 The shape detailing determination unit 14 determines the details of the accepted shape description as described above (Step S24), and sends to the shape reduction unit 12. 一方、手順S21で受付けた要求元の利用者端末名を形状要求受信部36から受けた表示能力判定部15は上述のように通信回線を介して要求元利用端末20の表示能力宣言部24に質問して(手順S25)、応答を待つ(手順S26のNO)。 On the other hand, the requesting user terminal name received in step S21 the display capability determination unit 15 that has received the shape request receiving unit 36 ​​to the display capability declaration section 24 of the request source user terminal 20 via the communication line as described above ask a question (Step S25), and waits for a response (NO step S26).

【0056】表示能力判定部15は、上述の手順により表示能力の応答を受付け(手順S26のYES)、利用者端末20の表示能力、負荷の現状、通信回線の伝送速度を形状簡約部12へ送る。 [0056] display capability judging unit 15, by the above procedure accepts a response display capability (YES in Step S26), the display capability of the user terminal 20, load current, the transmission rate of the communication line to the shape reduction section 12 send.

【0057】形状簡約部12は、形状詳細度判定部14 [0057] The shape reduction unit 12, the shape detailing degree determining section 14
の判定および表示能力判定部15の判定を受け、3次元形状生成装置40−nから受けた形状記述の詳細度を簡約化するレベルを選択した結果を簡約形状記述として形成し(手順S27)、形状送信部13へ送る。 Determination and subjected to determination of the display capability determination unit 15, formed as a reduction shape describing a result of selecting the level of simplification the received shape description verbosity from the three-dimensional shape generation apparatus 40-n (Step S27), send to shape the transmission unit 13. 形状送信部13は受けた簡約形状記述を利用者端末20の形状受信部21へ通信回線を介して送出し(手順S28)、3 Shaped transmitter 13 transmits via the communication line reduction shape description that received to the user terminal 20 of the shaped receiving section 21 (Step S28), 3
次元形状中継装置30の手順は終了する。 Procedure dimensional shape relay device 30 ends.

【0058】利用者端末20における形状表示部22での画面表示は前述の通りである。 [0058] Screen display on the shape display unit 22 in the user terminal 20 are as defined above.

【0059】上記説明では3次元形状記述の簡約機能を有しない同一構成の3次元形状生成装置を図示して説明したが、3次元形状生成装置が3次元形状記述の簡約機能を有していてもよい。 [0059] have been shown and described a three-dimensional shape generation apparatus having no identical structure the reduction function of the three-dimensional shape description in the above description, three-dimensional shape generation apparatus have a reduction function of the three-dimensional shape description it may be. 3次元形状中継装置から3次元形状記述の簡約機能を有する3次元形状生成装置を呼び出す場合、形状要求中継部は少なくとも利用者端末名を空間指定部と共に送出する。 When calling a three-dimensional shape generation apparatus having a three-dimensional shape description of reduction functions from the three-dimensional shape relay device, the shape request relay unit sends at least a user terminal name with space designated section. また、3次元形状記述の簡約機能を有する3次元形状生成装置は、図1と同様であり、利用者端末と通信回線を介して直接アクセスできる。 The three-dimensional shape generation apparatus having the reduction function of the three-dimensional shape description is the same as FIG. 1, it can be accessed directly via a communication line with the user terminal.

【0060】 [0060]

【発明の効果】以上説明したように本発明によれば、3 According to the present invention as described above, according to the present invention, 3
次元形状生成装置または3次元形状中継装置に、生成した形状記述の詳細度を判定する形状詳細度判定部と、利用者端末の表示能力および通信回線の通信能力を判定する表示能力判定部と、判定された形状記述詳細度、表示能力および通信能力から表示能力および通信能力に見合った形状記述の精度、複雑さ等に詳細度を簡約化する形状簡約化部と、この簡約化された簡約形状記述を利用者端末へ送る形状送信部とを備える3次元形状通信システムが得られる。 Dimension shape generator or three-dimensional shape relay device, and determines the shape detailing degree determining section details of the generated shape description, and determines the display capability determination unit communication capability of the display capabilities and the communication line of the user terminal, the determined shape description detail level, display capability and display capability and commensurate with communication capability shape descriptors accuracy from a communication capability, the shape simplification unit for simplification details of the complexity and the like, this simplification has been simplified shape 3-dimensional shape communication system comprising a shaped transmission unit to send a description to the user terminal is obtained.

【0061】この構成によって、利用者端末に表示される3次元空間に対する操作に関して利用者がほぼ一定の反応速度で操作できる3次元形状通信システムを得ることができる。 [0061] This arrangement enables the user with respect to the operation with respect to the three-dimensional space displayed on the user terminal to obtain a three-dimensional shape communication system that can be operated at a substantially constant reaction rate.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の実施の一形態を示す機能ブロック図である。 1 is a functional block diagram showing an embodiment of the present invention.

【図2】図1における3次元形状記述リクエスト(形状要求)の一例を示す文字列図である。 2 is a string diagram showing an example of a three-dimensional shape description request in FIG. 1 (shape request).

【図3】図1における表示能力情報授受の一例を示すシーケンス図である。 3 is a sequence diagram showing an example of a display capability information exchange in FIG.

【図4】図1における形状簡約化の一例を示す外観図である。 4 is an external view showing an example of the shape simplification in FIG.

【図5】図1に示される利用者端末の主要動作手順の一形態を示す流れ図である。 5 is a flow diagram illustrating one embodiment of a main operating procedure of the user terminal shown in FIG.

【図6】図1に示される形状生成装置の主要動作手順の一形態を示す流れ図である。 6 is a flow diagram illustrating one embodiment of a main operating procedure of shape generation apparatus shown in Figure 1.

【図7】本発明の図1とは別の一実施例を示す機能ブロック図である。 7 is a functional block diagram showing another embodiment of FIG. 1 of the present invention.

【図8】図7に示される形状中継装置の一主要動作手順を示す流れ図である。 8 is a flowchart showing an main operation procedure of the shape relay device shown in FIG.

【図9】従来の一例を示すシステムブロック構成図である。 9 is a system block diagram showing a conventional example.

【符号の説明】 DESCRIPTION OF SYMBOLS

10、40−1〜n 3次元形状生成装置 11、42 形状生成部 12 形状簡約部 13、43 形状送信部 14 形状詳細度判定部 15 表示能力判定部 16、36、41 形状要求受信部 20 利用者端末 21 形状受信部 22 形状表示部 23 3次元形状要求部 24 表示能力宣言部 25 操作入力部 31 中継形状受信部 37 形状要求中継部 10,40-1~N 3-dimensional shape generation apparatus 11, 42 shape generating portion 12 shaped reduction unit 13, 43 shaped transmitting portion 14 shaped details determining unit 15 display capability judging unit 16,36,41 shape request receiving unit 20 available terminal 21 shaped receiving section 22 shape display unit 23 three-dimensional shape requesting unit 24 display capability declaration part 25 operation input unit 31 relay-shaped receiving portion 37 shaped request relay unit

Claims (5)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 3次元映像を画面表示する利用者端末が通信路を介して、形状記述を生成し送出する形状生成手段に3次元の形状記述を要求して受ける3次元形状通信システムにおいて、前記利用者端末は、3次元の形状記述の表示能力を通知する宣言手段を備え、かつ、前記形状生成手段は、前記利用者端末から3次元形状記述の要求を受けた際、要求された3次元の形状記述を生成し、 1. A user terminal the three-dimensional image displayed on the screen via the communication path, in a three-dimensional shape communication system which receives requests three-dimensional shape described shape generation means generates and sends a shape description, the user terminal includes a declaration means for notifying the display capability of 3-dimensional shape description and the shape forming unit includes upon receiving a request for three-dimensional shape description from the user terminal, requested 3 to generate a dimension of shape description,
    生成した3次元形状記述の詳細度を判定すると共に要求元の利用者端末の表示能力の通知を受け、生成した前記3次元の形状記述を、受けた表示能力に見合った形状詳細度に簡約し、簡約した3次元の簡約形状記述を要求元の利用者端末へ送出することを特徴とする3次元形状通信システム。 Together determine the detail level of the generated three-dimensional shape description notified of the requesting display capabilities of the user terminal, the generated the three-dimensional shape description, received and reduction in commensurate shape detail of the display capability , 3-dimensional shape communication system, characterized by sending a 3-dimensional reduction shape description obtained by reduction of the requester to the user terminal.
  2. 【請求項2】 請求項1において、前記利用者端末は、 2. A method according to claim 1, wherein the user terminal,
    通信回線を介して3次元の形状記述を要求する3次元形状要求部と、3次元形状記述の表示能力を通知する表示能力宣言部と、通信回線を介して形状記述を受ける形状受信部と、受付けた形状記述を画面表示する形状表示部とを備え、かつ、前記形状生成手段は、通信回線を介して前記3次元形状要求部から3次元形状記述の要求を受ける形状要求受信部と、この形状要求受信部が受けて要求された3次元の形状記述を行ない生成する形状生成部と、生成された3次元形状記述の複雑さを判定する形状詳細度判定部と、前記形状要求受信部が要求を受けた際、要求元利用者端末の表示能力宣言部と情報交換して3次元形状の記述能力を判定する表示能力判定部と、前記形状詳細度判定部により判定された複雑さとこの表示能力判定部により判 A three-dimensional shape requesting unit for requesting a three-dimensional shape description via a communication line, a display capacity declaration section that notifies the display capability of the three-dimensional shape description, the shape receiving portion for receiving the shape description via a communication line, and a shape display unit for screen display the accepted shape description, and the shape forming unit has a shape request receiving unit via the communication line receives a request for three-dimensional shape description from the three-dimensional shape requesting unit, the shape generation unit that generates perform a three-dimensional shape description shape request receiving unit is requested by receiving and determining the shape detailing determination unit complexity of the generated three-dimensional shape description, the shape request receiving unit when receiving the request, the requesting user terminal of the display capabilities declaration part and information exchange and determines the display capability determination unit description capability of a three-dimensional shape, the complexity is determined by the shape detailing determination unit the display determine the ability determination unit された記述能力とに基づいて形状生成部により生成された3次元の形状記述を、表示要素数がより少ない3次元の簡約形状記述に変換する形状簡約部と、この変換された3次元の簡約形状記述を通信回線を介して前記形状受信部へ送出する形状送信部とを備えることを特徴とする3次元形状通信システム。 Has been a three-dimensional shape description generated by the shape generator on the basis of the description capability, the shape reduction unit the number of display elements into a smaller 3-dimensional reduction shape description, reduction of the transformed three-dimensional 3-dimensional shape communication system, comprising a shape transmitting section the shape description via a communication line and sends it to the shape receiving portion.
  3. 【請求項3】 3次元映像を画面表示する利用者端末が通信路を介して、形状記述を生成し送出する形状生成手段に3次元の形状記述を要求して受ける3次元形状通信システムにおいて、前記利用者端末は、3次元形状記述の表示能力を通知する宣言手段を備え、かつ、前記形状生成手段は、前記利用者端末から3次元形状記述の要求を受けた際にはこの要求を送出する一方、要求した前記3次元の形状記述を受けた際には受けた3次元形状記述の詳細度を判定すると共に要求元の利用者端末の表示能力の通知を受け、受けた3次元の形状記述を受けた表示能力に見合った形状詳細度に簡約し、簡約した3次元の簡約形状記述を要求元の利用者端末へ送出する形状中継装置と、この形状中継装置から3次元形状記述の要求を受けた際には要求さ 3. A user terminal the three-dimensional image displayed on the screen via the communication path, in a three-dimensional shape communication system which receives requests three-dimensional shape described shape generation means generates and sends a shape description, the user terminal includes a declaration means for notifying the display capability of the three-dimensional shape description and the shape forming unit, the transmission of the request when receiving a request for three-dimensional shape description from the user terminal to one receives a notification of the requesting display capabilities of the user terminal as well as determining the level of detail of the 3-dimensional shape description which receives the time of receiving the requested the three-dimensional shape description, it received three-dimensional shape and reduction to form the detail level commensurate with the display capability of receiving the description, the shape relay apparatus for delivering a three-dimensional reduction shape description obtained by reduction of the requester to the user terminal, a request for the three-dimensional shape description from this shape repeater request of when subjected to the れた3次元の形状記述を生成し、生成した前記3次元の形状記述を要求元の前記形状中継装置へ送出する少なくとも一つの形状生成装置とを備えることを特徴とする3次元形状通信システム。 3-dimensional shape communication system characterized in that it comprises at least one shape generator to generate a three-dimensional shape description that sends the generated the three-dimensional shape description to the requesting said shape relay device.
  4. 【請求項4】 請求項3において、複数の前記形状生成装置それぞれは、異なる3次元の形状記述を生成することを特徴とする3次元形状通信システム。 4. The method of claim 3, each of the plurality of said shape generator, three-dimensional shape communication system and generates a different 3-dimensional shape description.
  5. 【請求項5】 請求項3または請求項4において、前記利用者端末は、通信回線を介して3次元の形状記述を要求する3次元形状要求部と、3次元の形状記述の表示能力を通知する表示能力宣言部と、通信回線を介して形状記述を受ける形状受信部と、受付けた形状記述を画面表示する形状表示部とを備え、前記形状中継装置は、通信回線を介して前記3次元形状要求部から3次元形状記述の要求を受ける形状要求受信部と、この形状要求受信部が受けた要求を送出する形状要求中継部と、生成された3次元の形状記述を受ける中継形状受信部と、この中継形状受信部で受けた3次元形状記述の複雑さを判定する形状詳細度判定部と、前記形状要求受信部が3次元形状記述の要求を受けた際、要求元利用者端末の表示能力宣言部と情報交換して 5. A method according to claim 3 or claim 4, wherein the user terminal includes a three-dimensional shape requesting unit for requesting a three-dimensional shape description via a communication line, notifies the display capability of the three-dimensional shape description a display capacity declarations to, via a communication line provided with a shaped receiving portion for receiving a shape description, and a shape display unit for screen display the accepted shape description, the shape relay device, the three-dimensional through a communication line shape request receiving unit for receiving a request from the shape requesting unit 3D shape descriptor, the shape request relay unit that sends a request to this shape request receiving unit receives, receives the generated three-dimensional shape description relay shaped receiver When the determined shape detailing determination unit complexity of the relay-shaped receiving portion is received 3-dimensional shape description, when the shape request receiving unit receives the request for three-dimensional shape description, a request source user terminal to exchange information display capability declaration part 3次元形状の記述能力を判定する表示能力判定部と、前記形状詳細度判定部により判定された複雑さとこの表示能力判定部により判定された記述能力とに基づいて前記中継形状受信部で受けた3次元形状記述を、表示要素数がより少ない3次元の簡約形状記述に変換する形状簡約部と、この変換された3次元の簡約形状記述を通信回線を介して前記形状受信部へ送出する形状送信部とを備え、かつ、前記形状生成装置は、前記形状要求中継部から3次元形状記述の要求を受ける形状要求受信部と、この形状要求受信部が受けて要求された3次元の形状記述を行ない生成する形状生成部と、生成された3次元の形状記述を前記中継形状受信部へ送出する形状送信部とを備えることを特徴とする3次元形状通信システム。 And determining the display capability determination unit description capability of a three-dimensional shape, received in the relay-shaped receiving section based on the determination has been described capabilities by the shape detailing degree this display capability judgment unit and the complexity is determined by the determination unit the three-dimensional shape description, and sends the shape reduction unit the number of display elements into a smaller 3-dimensional reduction shape description, to the shape receiving portion the converted 3-dimensional reduction shape description via the communication line shape and a transmission unit, and said shape generator, the shape required and from the relay unit shape request receiving unit for receiving a request for three-dimensional shape description, three-dimensional shape description that this shape request receiving unit is requested by receiving 3-dimensional shape communication system comprising: the is carried out for the resulting shape generating unit, the shape transmission unit for transmitting the generated three-dimensional shape description to the relay-shaped receiving portion.
JP9549696A 1996-04-17 1996-04-17 3-dimensional shape communication system Expired - Fee Related JP2858556B2 (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999052077A1 (en) * 1998-03-31 1999-10-14 Sony Computer Entertainment Inc. Image drawing device, image drawing method, and providing medium
JP2002279449A (en) * 2001-03-19 2002-09-27 Mitsubishi Electric Corp 3d spatial data transmission display device, 3d space data transmission method, and computer-readable recording medium for recording therein program for making computer execute the 3d spatial data transmission method
WO2003098424A1 (en) * 2002-05-15 2003-11-27 Sharp Kabushiki Kaisha Content display device and method for controlling display according to complexity of content and content display program
WO2004021285A1 (en) * 2002-08-27 2004-03-11 Sharp Kabushiki Kaisha Content reproduction device capable of reproducing a content in optimal reproduction mode
JP2007520925A (en) * 2003-12-16 2007-07-26 エヌエイチエヌ コーポレーション Precision adjusting method and system for adjusting the image data to be linked to the video signal processing capability of the terminal means
JP2015069240A (en) * 2013-09-26 2015-04-13 富士通株式会社 Information processor, information processing method, and information processing program
US9160278B2 (en) 2012-03-16 2015-10-13 Panasonic Corporation Wireless communication device
JP2018142812A (en) * 2017-02-27 2018-09-13 Kddi株式会社 Information distribution device and terminal device
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999052077A1 (en) * 1998-03-31 1999-10-14 Sony Computer Entertainment Inc. Image drawing device, image drawing method, and providing medium
JP2002279449A (en) * 2001-03-19 2002-09-27 Mitsubishi Electric Corp 3d spatial data transmission display device, 3d space data transmission method, and computer-readable recording medium for recording therein program for making computer execute the 3d spatial data transmission method
WO2003098424A1 (en) * 2002-05-15 2003-11-27 Sharp Kabushiki Kaisha Content display device and method for controlling display according to complexity of content and content display program
WO2004021285A1 (en) * 2002-08-27 2004-03-11 Sharp Kabushiki Kaisha Content reproduction device capable of reproducing a content in optimal reproduction mode
JP2007520925A (en) * 2003-12-16 2007-07-26 エヌエイチエヌ コーポレーション Precision adjusting method and system for adjusting the image data to be linked to the video signal processing capability of the terminal means
US7834874B2 (en) 2003-12-16 2010-11-16 Nhn Corporation Method of improving the presentation of image data which inter-locked with video signals throughput of a terminal and a system thereof
US9160278B2 (en) 2012-03-16 2015-10-13 Panasonic Corporation Wireless communication device
JP2015069240A (en) * 2013-09-26 2015-04-13 富士通株式会社 Information processor, information processing method, and information processing program
JP2018142812A (en) * 2017-02-27 2018-09-13 Kddi株式会社 Information distribution device and terminal device
JP6433559B1 (en) * 2017-09-19 2018-12-05 キヤノン株式会社 Providing device, providing method, and program

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