TWI261766B - Vector computer graphics serving method and system - Google Patents

Abstract

The invention provides a vector computer graphics serving method and system, which can be applied in a network system, such as a wireless local area network (WLAN), so that a server can provide a vector computer graphics serving function to an information platform at a client end, such as an electronic map serving function of a location-based service. The invention is characterized by employing a common networking vector graphics format, such as VML (vector markup language) or SVG (scalable vector graphics) vector graphics, to serve electronic maps to the information platform at the client end. This method allows the information platform at the client end to conveniently utilize an existing network browser to display electronic maps in VML or SVG vector format without requiring additionally installing or downloading related plug-in software.

Description

1261766 IX. Description of the Invention: [Technical Field] The present invention relates to a computer network information technology, and more particularly to a vector format computer graphics servo method and system, which can be applied to a network system. For example, a wireless local area network system (Wireless

a local area network (WLAN) for enabling a server, such as a server for a location location service (LBS), to access a client information platform through the network system. In particular, a portable mobile information platform, such as a notebook computer, a personal digital assistant device (PDA), a tablet PC, a mobile phone device, etc., provides a vector format computer graphics servo function. For example, to provide an electronic map servo function for location location services. [Prior Art] The location location service (LBS) is a hot research topic in the field of wireless communication technology. It can be used in wireless areas, wireless local area networks (WLANs). The technique is to position a specific target object on the surface of the earth, wherein the object can be, for example, a person, a car, a hotel, or the like. These target objects only need to carry a special electronic messenger device with wireless transmission function, such as a notebook computer, a personal digital assistant (PDA), a tablet computer pc, a mobile phone device, and the like. The location location service system can detect the geographical location of the target object; and after the location of the target object, the electronic map is used to display the location of the target object 17972 5 1261766, and this The electronic map is downloaded to the electronic device held by the user, so that the user can understand the geographical location of the electronic map by browsing the electronic map. ^ Basically, electronic maps can be visualized using vector graphics (vect^ graphics) or dot matrix graphics (bitmapgraphics). However, due to the large amount of data in the dot matrix graphic format, it is not conducive to the use of thin clients, and cannot be used for specific objects in the graphics (such as a building, road, lake on an electronic map). Etc.) for individual control, so the best way to implement an electronic map is to use a vector graphics format. ° However, the location clamp service system uses the vector graphics format to display the electronic map - the problem is that most of the current network browsers are not directly ^ vector_format display 'so you need to install or download the relevant plug-in software separately ( Plug-in) makes the application extremely inconvenient. SUMMARY OF THE INVENTION The main purpose of the present invention is to address the shortcomings of the above-mentioned prior art.

It:? for a vector format computer graphics feeding method and system, the user of the service system does not need to install or download the relevant vector separately, and conveniently use its existing network (four) device to display the electronic format of the ten-day graphic format map. The vector format computer graphics ship method and system design of the library is configured to be a network system, for example, a wireless local area network can pass through a server such as a location location service through the network. The system comes to the _user-side information platform, especially a portable 17122 6 1261766-type mobile information flat I, tablet computer computer graphics servo function servo function. The desk 'for example, a notebook computer, a personal digital assistant, a mobile phone device, etc., provides a vector format 'for example, an electronic map feature for providing location location services in a 1 format computer graphics feeding method and system technology w wood A network universal vector graphics format, for example, a VML or SVG vector graphics frame compatible with the standard data format of the standard 5 is used to feed the electronic map to the user information platform. Since VML or SVG ^ u ^ is a wide range of data formats from the valley to the current network, it can be used to install another two: the associated plug-in software. Easily use its existing web browsing mode to display electronic maps in VML or SVG vector format. [Embodiment] Hereinafter, an embodiment of a vector format computer graphics servo method and system according to the present invention will be described in detail in conjunction with the accompanying drawings. Fig. 1 shows the application architecture of the vector format computer graphics servo system 100 of the present invention. As shown in the figure, the vector format computer graphics servo system 100 of the present invention is mounted on one or more servers in practical applications (only one server 2 is typically shown in FIG. 1), for example: a location location service (LBS) server and the server state 20 is connected to a network system, such as a wireless local area network (WLAN), to allow The servo state 20 can be transmitted through the network system i 对 _ user terminal 1 flat a 3 〇, especially - portable mobile information platform, for example, note two electric 17972 7 1261766 fine personal digital assistant I A Pers〇nal Digital Assistant (PDA), a Tablet PC, a mobile phone device, etc., provides a vector format computer graphics servo function, such as an electronic map servo function for providing location location services. As shown in FIG. 2, the object-oriented component model (〇bject_〇dented (3)mP〇nentmodei) of the internal structure of the vector format computer graphics servo system 1 of the present invention includes at least: (a) a graphic database module i (b) - graphics request response module 11G; (4) - f library retrieval module i2; (4) a graphics format conversion module 13G; and (4) "graphics servo module 14". The graphic database module and the group 1〇1 prestore a set of computer graphics made using the traditional vector lattice =, for example, an electronic map for providing a location location service. The original data format of such electronic maps is a traditional inward format such as (10)^About (4)^(3)^, etc. The graphic request response module 11 can send a 5 - ^ ^ corresponding graphic search enable message to the beta library search module 12〇 in response to the graphic request message sent by each client information platform %. Uo^!? The search module 12G should respond to the above-mentioned graphic request response mode: The Chinese Society will: (4) search the enabling message and the computer graphics requested from the graphic database module 10] And will check: module 130. ', . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Network 17972 8 1261766 VML (Vector Markup Language) or SVG (Scalable Vector) with XML (Extensible Markup Language)

Graphics) Inward graphics format. Since XML, and are both public standard specifications in the computer industry, this specification will not be described in further detail in this specification. The graphic servo module 140 can feed the computer graphics (that is, the electronic map of VML or SVG format) of each network common vector graphic format converted by the above-mentioned graphic format conversion module 13 through the network system. The client information platform 30 that originally sent the graphic request message is served. An application example of the vector format computer graphics servo system 100 of the present invention will be described in detail below by taking the network system 1 as a WLAN wireless local area network system and the servos as an LBS server. Please refer to the i-th and the second picture at the same time. In practical applications, when the user of the user-side platform 30 wants to request an electronic map of a specific geographical location from the LBS server 2, it can borrow A related graphics request message is sent to the server 20 by the network viewer 31 on the client information platform % and through the WLAN network system 1 to cause the graphics in the vector format computer graphics servo system of the present invention. The request response module ιι〇 sends a response to the graphic request message, and the corresponding graphic search enable message is sent to the library board 120, so that the database search module 120 responds from the graphic library to the group 1 〇1 Retrieving the electronic map requested by the graphic request message: the electronic map of each original data format retrieved by the Asian is transmitted to the graphic format conversion module 130, so that the graphic format conversion module 13 〇 各个 each of the original raw material formats The electronic map is converted into a specific network common vector diagram 17972 9 1261766 format, such as a vector graphics format of VML (VectorMarkupLanguage) or SVG (Scalable Vector Graphics). Then, the @-shaped servo module 14 can be responsible for the electronic map of each network common vector graphic format converted by the graphic format conversion module 13G (that is, the electronic map of the VML or SVG format). For the '20 to pass through the secondary network system 1 〇❿ to download back to the original user-side information platform to send the "graphical request message". Since the electronic map downloaded to the client information platform 30 is in the VMl or svg format common to the network, the user information platform 30 can directly display the VML or SVG format through the web browser 31 thereon. digital map. In summary, the present invention provides a novel vector format computer graphics servo method and system that can be applied to a network system for allowing a servo port to be provided through the network route to the user terminal. The vector format computer graphics servo function; and is characterized by a network universal vector graphics format, for example, a νΜι^ or SVG vector diagram that is compatible with the standard network type XML.丨J graphics format, to servo electronic map to the user information platform. Because the VML$ svg vector graphics format is compatible with the XML data format widely used in today's network systems, the user information platform can be easily used without the need to install or download the associated plug-in software. Existing web browsers to display electronic maps in VML or SVG vector format. The present invention has better advancement and practicality than the prior art. The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the invention. The essential technology of the present invention is generally defined in the following patents: Φ 盥ΠΓ, +, 七 i + 右 何 他人 他人 他人 他人 他人 他人 他人 他人 他人 他人 他人 他人 他人 他人 他人It is the same as the following patent application, and is a record of 0. The change of the right is the result of the patent application. It is considered to be covered in this issue [Simple description of the map] No.! The figure shows an application architecture diagram for the application architecture of the explicit format computer graphics servo system; the middle = 2 diagram is a system architecture diagram for displaying the object orientation component of the internal architecture of the vector t-type brain graphics servo system of the present invention. model. [Main component symbol description] 10 Network system (WLAN) 20 30 31 100 101 110 120 130 140 Server (LBS server) Client information platform Web browser This is a vector format computer graphics servo system graphic database module Group graphics request response module database retrieval module graphic format conversion module graphics servo module 11 17972

Claims (1)

1261766 X. Patent application scope: !·: A vector format computer graphics servo method, which can be applied to a network system to enable a server to provide a vector format computer to a client information platform through the network system. The graphic service function; the computer graphics servo method comprises at least: 11 建 building a graphic database module with a plurality of original vector format computer graphics on the server; pre-stored ° should be issued by the "Hai User & Information Platform" Each message is sent-corresponding to the graphic search enable message; (4) the φ a Γ4 graphic search enable message is used to retrieve the computer graphic requested by the client information platform from the graphic database module; The computer graphics of each original vector format are converted into a universal vector graphic format of the network; and the _ graphics of each of the hengcheng-made _ graphics are servoed to the user information platform. The vector format computer graphics feeding service mentioned in the first item of the scope is 3: by Is... (4) money is the wireless local area network system. • 3 · If the patent application scope is the first method, 1 medium service format computer graphics feeding side:, medium 4 service 4 - location positioning service (L_tiQn β Servlce, LBS) server. 4. If the patent application scope is the first method, one of the ones is: one of the computer graphics servo digits = set: board = (four) = one. Groups of eMule and slamming telephone devices 17972 12 1261766 • : 4 The patent format of the patent range refers to the network universal vocabulary used in the format conversion program. The format is vML. (Vector Markup Language) vector graphics lattice = = patent application scope W described in the vector format computer graphics word service, the medium 4 ® format conversion program used in the network common vector diagram, the format is sVG (Sealab丨e VeetGr such as the vector graphics format of the division (8). 7. "A vector format computer graphics servo system, which can be matched to the "network system 1" so that - (4) can be accessed through the network system - the user terminal ★ flat mouth Lifting and inward format computer graphics servo function; the vector format % brain graphics servo system includes at least one graphic database module, wherein a plurality of original vector files are pre-stored; & a graphical request response mode Group, which can be returned to the client information platform: each graphic request message is sent and the corresponding graphic check message enables the message; The graphic search request message of the graphic request response module 2 can be returned from the graphic database module; the computer graphic requested by the beta user information platform is extracted; - the graphic format conversion module, which can The computer graphics of each original vector format generated by the database retrieval module are converted into a special network common vector graphic format; and a graphic word service module, which can be converted to 17972 13 1261766 by the graphic format conversion module. The computer graphics of the various common formats of the network are sent to the client information platform through the network system. 8. The vector format computer graphics feeding system according to claim 7 of the patent scope, wherein the network system is A wireless local area network system. 9. The vector format computer graphics servo system according to claim 7, wherein the health machine is a servo of a position location service (L〇cati〇n (4) Service, LBS) The vector format computer graphics servo system described in claim 7 of the patent scope, wherein the user information platform is selected from a notebook computer and a personal number. One of the group of the assistant device, the tablet computer and the mobile phone device. 11· The vector format computer graphics servo system according to the seventh item of the Shenqing patent scope, wherein the graphic format conversion module is used The network common vector graphics format is a VML (VeCtor Markup Language) vector graphics format. 12. The vector format computer graphics servo system according to claim 7, wherein the graphic format conversion module uses a network universal The vector graphics format is the vector graphics format of SVG (Scalable Vect〇r Graphics). 7 17972 14